上报页面优化

coalMiningApp/app/build.gradle

@@ -78,7 +78,7 @@ android {
 }
 
 dependencies {
-
+    implementation fileTree(include: ['*.jar', '*.aar'], dir: 'libs')
     api rootProject.ext.androidxLibs
     // ViewModel and LiveData
     api rootProject.ext.jetpackLibs
@@ -112,4 +112,7 @@ dependencies {
 
     implementation 'androidx.fragment:fragment-ktx:1.6.0'
 
+//    implementation 'com.zhihu.android:matisse:0.6.0'
+    implementation project(':matisse')
+    implementation 'com.github.hackware1993:MagicIndicator:1.7.0'
 }

coalMiningApp/app/src/main/AndroidManifest.xml

@@ -4,6 +4,7 @@
     package="com.zmkg.coaloperation">
 
     <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.CAMERA" />
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.MANAGE_EXTERNAL_STORAGE"
@@ -17,6 +18,7 @@
         android:supportsRtl="true"
         android:theme="@style/Theme.AppTheme"
         android:usesCleartextTraffic="true"
+        android:requestLegacyExternalStorage="true"
         android:networkSecurityConfig="@xml/network_security_config"
         tools:replace="android:allowBackup">
 
@@ -69,6 +71,7 @@
         <activity android:name=".ui.wateryield.WaterYieldObserveRecordActivity" />
         <activity android:name=".ui.geologging.GeologicalPointActivity" />
         <activity android:name=".ui.geologging.AddGeologicalPointActivity" />
+        <activity android:name=".ui.geologging.AddGeoLoggingFaceActivity" />
     </application>
 
 </manifest>

coalMiningApp/app/src/main/java/com/zmkg/coaloperation/MainActivity.kt

@@ -1,5 +1,6 @@
 package com.zmkg.coaloperation
 
+import android.content.Intent
 import android.os.Bundle
 import android.view.View
 import androidx.fragment.app.Fragment
@@ -10,7 +11,7 @@ import com.zmkg.coaloperation.bottomtab.HomeBottomTabLayout
 import com.zmkg.coaloperation.databinding.ActivityMainBinding
 import com.zmkg.coaloperation.ui.home.fragment.HomeFragment
 import com.zmkg.coaloperation.ui.record.fragment.RecordFragment
-import com.zmkg.coaloperation.ui.report.fragment.ReportFragment
+import com.zmkg.coaloperation.ui.report.fragment.Report2Fragment
 import com.zmkg.coaloperation.ui.user.fragment.UserFragment
 
 class MainActivity : BaseVMBActivity<TestViewModel, ActivityMainBinding>(R.layout.activity_main),
@@ -56,7 +57,7 @@ class MainActivity : BaseVMBActivity<TestViewModel, ActivityMainBinding>(R.layou
             }
 
             TAG_REPORT -> {
-                return ReportFragment()
+                return Report2Fragment()
             }
 
 //            TAG_MESSAGE -> {
@@ -77,4 +78,5 @@ class MainActivity : BaseVMBActivity<TestViewModel, ActivityMainBinding>(R.layou
     override fun transparentStatusBar(): Boolean {
         return true
     }
+
 }

coalMiningApp/app/src/main/java/com/zmkg/coaloperation/MyApplication.kt

@@ -73,6 +73,8 @@ class MyApplication : Application(), ViewModelStoreOwner {
 
     }
 
+
+
     fun initLoginStatusListener() {
 //        TUILogin.addLoginListener(loginStatusListener)
     }

coalMiningApp/app/src/main/java/com/zmkg/coaloperation/adapter/CommonImageAdapter.kt

@@ -0,0 +1,48 @@
+package com.zmkg.coaloperation.adapter
+
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.core.view.updateLayoutParams
+import com.chad.library.adapter.base.BaseQuickAdapter
+import com.chad.library.adapter.base.viewholder.BaseViewHolder
+import com.zmkg.coaloperation.R
+import com.zmkg.coaloperation.bean.CommonImageBean
+import com.zmkg.coaloperation.databinding.ListItemCommonImageBinding
+import com.zmkg.coaloperation.superfuntion.loadRoundedImage
+import com.zmkg.coaloperation.utils.dp
+import com.zmkg.coaloperation.utils.load
+
+class CommonImageAdapter(var list: MutableList<CommonImageBean>, var imageSize: Int = 70.dp):
+    BaseQuickAdapter<CommonImageBean, CommonImageAdapter.VH>(
+        R.layout.list_item_common_image, list
+    ){
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): VH {
+        val binding = ListItemCommonImageBinding.inflate(
+            LayoutInflater.from(context), parent, false
+        )
+        return VH(binding).also {
+            bindViewClickListener(it, viewType)
+        }
+    }
+
+    override fun convert(
+        holder: VH,
+        item: CommonImageBean
+    ) {
+        holder.binding.ivImage.let {
+            it.updateLayoutParams {
+                width = imageSize
+                height = imageSize
+            }
+            if (item.isAddFlag) {
+                it.load(R.drawable.ic_add_image)
+            } else {
+                it.loadRoundedImage(item.imagePath, 3F)
+            }
+        }
+    }
+
+    inner class VH(var binding: ListItemCommonImageBinding): BaseViewHolder(binding.root)
+
+}

coalMiningApp/app/src/main/java/com/zmkg/coaloperation/adapter/GeoLoggingFaceAdapter.kt

@@ -5,30 +5,28 @@ import android.view.ViewGroup
 import com.chad.library.adapter.base.BaseQuickAdapter
 import com.chad.library.adapter.base.viewholder.BaseViewHolder
 import com.zmkg.coaloperation.R
-import com.zmkg.coaloperation.bean.GeoPointImage
-import com.zmkg.coaloperation.databinding.ListItemPointImageBinding
+import com.zmkg.coaloperation.databinding.ItemGeologicalListBinding
+import com.zmkg.coaloperation.db.entity.geologging.GeoLoggingFace
 
-class GeoPointImageAdapter(list: MutableList<GeoPointImage>):
-    BaseQuickAdapter<GeoPointImage, GeoPointImageAdapter.VH>(
-        R.layout.list_item_point_image, list
+class GeoLoggingFaceAdapter(list: MutableList<GeoLoggingFace>):
+    BaseQuickAdapter<GeoLoggingFace, GeoLoggingFaceAdapter.VH>(
+        R.layout.item_geological_list, list
     ){
-
     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): VH {
-        val binding = ListItemPointImageBinding.inflate(
+        val binding = ItemGeologicalListBinding.inflate(
             LayoutInflater.from(context), parent, false
         )
         return VH(binding).also {
             bindViewClickListener(it, viewType)
         }
     }
-
     override fun convert(
         holder: VH,
-        item: GeoPointImage
+        item: GeoLoggingFace
     ) {
-        holder.binding.ivPointImage.setImageResource(R.drawable.ic_add_image)
+        holder.binding.tvFaceName.text = item.surfaceName
     }
 
-    inner class VH(var binding: ListItemPointImageBinding): BaseViewHolder(binding.root)
+    inner class VH(var binding: ItemGeologicalListBinding): BaseViewHolder(binding.root)
 
 }

coalMiningApp/app/src/main/java/com/zmkg/coaloperation/adapter/GeoPointMultiAdapter.kt

@@ -1,24 +1,27 @@
 package com.zmkg.coaloperation.adapter
 
+import android.annotation.SuppressLint
 import android.view.LayoutInflater
 import android.widget.LinearLayout
 import androidx.core.view.updateLayoutParams
 import androidx.recyclerview.widget.GridLayoutManager
-import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
 import com.chad.library.adapter.base.BaseMultiItemQuickAdapter
 import com.chad.library.adapter.base.viewholder.BaseViewHolder
+import com.zhihu.matisse.Matisse
 import com.zmkg.coaloperation.R
-import com.zmkg.coaloperation.bean.BaseItem
-import com.zmkg.coaloperation.bean.GeoPointImage
+import com.zmkg.coaloperation.base.BaseActivity
+import com.zmkg.coaloperation.bean.CommonImageBean
 import com.zmkg.coaloperation.bean.GeoPointMultiItem
 import com.zmkg.coaloperation.databinding.ListItemPointBaseHorizontalBinding
 import com.zmkg.coaloperation.databinding.ListItemPointBaseVerticalBinding
+import com.zmkg.coaloperation.utils.GalleryUtils
 import com.zmkg.coaloperation.utils.gone
+import com.zmkg.coaloperation.utils.permission.StorageUtils
 import com.zmkg.coaloperation.utils.visible
 
-class GeoPointMultiAdapter(list: MutableList<GeoPointMultiItem>):
-    BaseMultiItemQuickAdapter<GeoPointMultiItem, BaseViewHolder>(list){
+class GeoPointMultiAdapter(list: MutableList<GeoPointMultiItem>) :
+    BaseMultiItemQuickAdapter<GeoPointMultiItem, BaseViewHolder>(list) {
 
     init {
         addItemType(GeoPointMultiItem.TYPE_BASE_INFO, R.layout.list_item_point_base_info)
@@ -32,83 +35,100 @@ class GeoPointMultiAdapter(list: MutableList<GeoPointMultiItem>):
         item: GeoPointMultiItem
     ) {
         when (holder.itemViewType) {
-            GeoPointMultiItem.TYPE_BASE_INFO->{
+            GeoPointMultiItem.TYPE_BASE_INFO -> {
                 loadBaseInfo(holder, item)
             }
-            GeoPointMultiItem.TYPE_LOGGING_INFO->{
+
+            GeoPointMultiItem.TYPE_LOGGING_INFO -> {
                 loadLoggingInfo(holder, item)
             }
-            GeoPointMultiItem.TYPE_CALCULATE_INFO->{
+
+            GeoPointMultiItem.TYPE_CALCULATE_INFO -> {
                 loadCalculateInfo(holder, item)
             }
-            GeoPointMultiItem.TYPE_UPLOAD_IMAGE->{
+
+            GeoPointMultiItem.TYPE_UPLOAD_IMAGE -> {
                 loadUploadImage(holder, item)
             }
         }
     }
 
-    private fun loadUploadImage(holder: BaseViewHolder,item: GeoPointMultiItem) {
+    private fun loadUploadImage(holder: BaseViewHolder, item: GeoPointMultiItem) {
         val rvImageList = holder.itemView.findViewById<RecyclerView>(R.id.rvImageList)
-        val images = mutableListOf(
-            GeoPointImage(),
-            GeoPointImage(),
-            GeoPointImage(),
-            GeoPointImage()
-        )
-        rvImageList.let {rv->
+        if (item.images == null) {
+            item.images = mutableListOf()
+        }
+        val images = item.images!!
+        rvImageList.let { rv ->
             rv.layoutManager = GridLayoutManager(rv.context, 4, GridLayoutManager.VERTICAL, false)
-            rv.adapter = GeoPointImageAdapter(images).also {
+            rv.adapter = CommonImageAdapter(images).also {
                 it.setOnItemClickListener { adapter, view, position ->
-
+                    if (it.data[position].isAddFlag.not()) {
+                        return@setOnItemClickListener
+                    }
+                    openGallery(context as BaseActivity, it)
                 }
             }
         }
     }
 
-    private fun loadCalculateInfo(holder: BaseViewHolder,item: GeoPointMultiItem) {}
+    private fun loadCalculateInfo(holder: BaseViewHolder, item: GeoPointMultiItem) {}
 
-    private fun loadLoggingInfo(holder: BaseViewHolder,item: GeoPointMultiItem) {
+    private fun loadLoggingInfo(holder: BaseViewHolder, item: GeoPointMultiItem) {
 
     }
 
-    private fun loadBaseInfo(holder: BaseViewHolder,item: GeoPointMultiItem) {
+    private fun loadBaseInfo(holder: BaseViewHolder, item: GeoPointMultiItem) {
         val llBaseTop = holder.itemView.findViewById<LinearLayout>(R.id.llBaseTop)
-        val topList = mutableListOf(
-            BaseItem(name = "点号", value = "1#"),
-            BaseItem(name = "点距", value = "1#"),
-            BaseItem(name = "累距", value = "78.874"),
+        llBaseTop.removeAllViews()
+        item.baseTopList?.forEach {
+            val itemBinding = ListItemPointBaseHorizontalBinding.inflate(
+                LayoutInflater.from(context),
+                llBaseTop,
+                false
             )
-        val bottomList = mutableListOf(
-            BaseItem(name = "巷高", value = "2.855"),
-            BaseItem(name = "顶板", value = "1024.491"),
-            BaseItem(name = "底板", value = "1018.491"),
-            BaseItem(name = "巷顶煤厚", value = "0.15"),
-        )
-        topList.forEach {
-            val itemBinding = ListItemPointBaseHorizontalBinding.inflate(LayoutInflater.from(context), llBaseTop, false)
             itemBinding.run {
                 tvItemName.text = it.name
-                tvItemValue.text = it.value
+                etInputValue.setText(it.value)
             }
             llBaseTop.addView(itemBinding.root)
         }
-        val llBaseBottom = holder.itemView.findViewById<LinearLayout>(R.id.llBaseBottom)
 
-        bottomList.forEachIndexed {index, it ->
-            val itemBinding = ListItemPointBaseVerticalBinding.inflate(LayoutInflater.from(context),llBaseBottom, false)
+        val llBaseBottom = holder.itemView.findViewById<LinearLayout>(R.id.llBaseBottom)
+        llBaseBottom.removeAllViews()
+        item.baseBottomList?.forEachIndexed { index, it ->
+            val itemBinding = ListItemPointBaseVerticalBinding.inflate(
+                LayoutInflater.from(context),
+                llBaseBottom,
+                false
+            )
             itemBinding.run {
                 tvItemName.text = it.name
-                tvItemValue.text = it.value
+                etInputValue.setText(it.value)
                 dividerVertical.run {
-                    if (index == bottomList.size - 1) gone() else visible()
+                    if (index == item.baseBottomList!!.size - 1) gone() else visible()
                 }
             }
             itemBinding.root.updateLayoutParams<LinearLayout.LayoutParams> {
                 width = 0
                 height = LinearLayout.LayoutParams.MATCH_PARENT
-                weight = if (index == bottomList.size - 1) 1.24F else 1.0F
+                weight = if (index == item.baseBottomList!!.size - 1) 1.24F else 1.0F
             }
             llBaseBottom.addView(itemBinding.root)
         }
     }
+
+    @SuppressLint("NotifyDataSetChanged")
+    private fun openGallery(activity: BaseActivity, adapter: CommonImageAdapter) {
+        StorageUtils.requestPermission(activity) {
+            GalleryUtils.openGallery(activity) { data ->
+                val paths = Matisse.obtainPathResult(data) // 获取文件路径列表
+                paths?.forEach { path ->
+                    val size = adapter.list.size
+                    adapter.list.add(size - 1, CommonImageBean(imagePath = path))
+                }
+                adapter.notifyDataSetChanged()
+            }
+        }
+    }
 }

coalMiningApp/app/src/main/java/com/zmkg/coaloperation/adapter/ReportAdapter.kt

@@ -0,0 +1,143 @@
+package com.zmkg.coaloperation.adapter
+
+import android.annotation.SuppressLint
+import android.view.Gravity
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import android.widget.LinearLayout
+import androidx.core.view.updateLayoutParams
+import androidx.recyclerview.widget.GridLayoutManager
+import com.chad.library.adapter.base.BaseQuickAdapter
+import com.chad.library.adapter.base.viewholder.BaseViewHolder
+import com.zhihu.matisse.Matisse
+import com.zmkg.coaloperation.R
+import com.zmkg.coaloperation.base.BaseActivity
+import com.zmkg.coaloperation.bean.CommonImageBean
+import com.zmkg.coaloperation.bean.ReportItem
+import com.zmkg.coaloperation.databinding.ListItemReportBinding
+import com.zmkg.coaloperation.utils.GalleryUtils
+import com.zmkg.coaloperation.utils.dp
+import com.zmkg.coaloperation.utils.gone
+import com.zmkg.coaloperation.utils.permission.StorageUtils
+import com.zmkg.coaloperation.utils.visible
+
+class ReportAdapter(list: MutableList<ReportItem>) :
+    BaseQuickAdapter<ReportItem, ReportAdapter.VH>(R.layout.list_item_report, list) {
+
+    inner class VH(var binding: ListItemReportBinding) : BaseViewHolder(binding.root)
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): VH {
+        val binding = ListItemReportBinding.inflate(
+            LayoutInflater.from(context), parent, false
+        )
+        return VH(binding).also {
+            bindViewClickListener(it, viewType)
+        }
+    }
+
+    override fun convert(holder: VH, item: ReportItem) {
+        val binding = holder.binding
+        val position = holder.layoutPosition
+        binding.tvItemName.run {
+            text = item.name
+            gravity = Gravity.CENTER_VERTICAL
+            updateLayoutParams<LinearLayout.LayoutParams> {
+                gravity = if (item.viewType == 4) Gravity.CENTER_VERTICAL else Gravity.TOP
+            }
+        }
+        binding.divider.run {
+            if (position == data.size - 1) gone() else visible()
+        }
+        when (item.viewType) {
+            1 -> {
+                binding.tvItemValue.gone()
+                binding.rvReportImage.gone()
+                binding.etInputValue.let { et ->
+                    et.visible()
+                    et.setText(item.value)
+                    et.hint = item.inputHint
+                    et.isSingleLine = item.isSingleLine
+                    if (item.isSingleLine) {
+                        et.gravity = Gravity.CENTER_VERTICAL
+                        et.setLines(1)
+                        et.updateLayoutParams<LinearLayout.LayoutParams> { height = 50.dp }
+                    } else {
+                        et.gravity = Gravity.TOP
+                        et.setLines(item.inputShowLines)
+                        et.updateLayoutParams<LinearLayout.LayoutParams> {
+                            height = LinearLayout.LayoutParams.WRAP_CONTENT
+                            topMargin = 15.dp
+                            bottomMargin = 15.dp
+                        }
+                    }
+                }
+            }
+
+            2 -> {
+                binding.rvReportImage.gone()
+                binding.etInputValue.gone()
+                binding.tvItemValue.let { tv ->
+                    tv.visible()
+                    tv.text = item.value
+                    tv.setCompoundDrawablesWithIntrinsicBounds(
+                        0,
+                        0,
+                        R.drawable.ic_arrow_down_gray,
+                        0
+                    )
+                    tv.updateLayoutParams<LinearLayout.LayoutParams> {
+                        width = LinearLayout.LayoutParams.MATCH_PARENT
+                    }
+                }
+            }
+
+            3 -> {
+                binding.rvReportImage.gone()
+                binding.etInputValue.gone()
+                binding.tvItemValue.let { tv ->
+                    tv.visible()
+                    tv.text = item.value
+                    tv.setCompoundDrawablesWithIntrinsicBounds(0, 0, R.drawable.ic_select_time, 0)
+                    tv.updateLayoutParams<LinearLayout.LayoutParams> {
+                        width = LinearLayout.LayoutParams.WRAP_CONTENT
+                    }
+                }
+            }
+
+            4 -> {
+                binding.tvItemValue.gone()
+                binding.etInputValue.gone()
+                if (item.images == null) {
+                    item.images = mutableListOf()
+                }
+                binding.rvReportImage.let { rv ->
+                    rv.visible()
+                    rv.layoutManager = GridLayoutManager(rv.context, 2)
+                    rv.adapter = CommonImageAdapter(item.images!!, 80.dp).also {
+                        it.setOnItemClickListener { adapter, view, position ->
+                            if (it.data[position].isAddFlag.not()) {
+                                return@setOnItemClickListener
+                            }
+                            openGallery(context as BaseActivity, it)
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    @SuppressLint("NotifyDataSetChanged")
+    private fun openGallery(activity: BaseActivity, adapter: CommonImageAdapter) {
+        StorageUtils.requestPermission(activity) {
+            GalleryUtils.openGallery(activity) { data ->
+                val paths = Matisse.obtainPathResult(data) // 获取文件路径列表
+                paths?.forEach { path ->
+                    val size = adapter.list.size
+                    adapter.list.add(size - 1, CommonImageBean(imagePath = path))
+                }
+                adapter.notifyDataSetChanged()
+            }
+        }
+    }
+
+}

coalMiningApp/app/src/main/java/com/zmkg/coaloperation/base/BaseActivity.java

@@ -0,0 +1,100 @@
+package com.zmkg.coaloperation.base;
+
+import android.content.Intent;
+import android.net.Uri;
+import android.os.Bundle;
+
+import androidx.activity.result.ActivityResultLauncher;
+import androidx.activity.result.contract.ActivityResultContracts;
+import androidx.appcompat.app.AppCompatActivity;
+import com.zmkg.coaloperation.bean.IActivityResult;
+
+public class BaseActivity extends AppCompatActivity {
+
+//    public static final String COLOR_WHITE = "#FFFFFF";
+//
+//    public void whiteStatusBar(boolean isFits) {
+//        whiteStatusBar(isFits, false);
+//    }
+//
+//    public void whiteStatusBar(boolean isFits, boolean keyboardEnable) {
+//        hasColorStatusBar(COLOR_WHITE, isFits, true, keyboardEnable);
+//    }
+//
+//    public void transparentStatusBar(boolean isFits, boolean isDarkFont) {
+//        ImmersionBar.with(this)
+//                .fitsSystemWindows(isFits)
+//                .statusBarDarkFont(isDarkFont)
+//                .transparentStatusBar()
+//                .navigationBarColor(R.color.white)
+//                .navigationBarDarkIcon(true)
+//                .init();
+//    }
+//
+//    public void hasColorStatusBar(String statusBarColor, boolean isFits, boolean isDarkFont) {
+//        hasColorStatusBar(statusBarColor, isFits, isDarkFont, false);
+//    }
+//
+//    public void hasColorStatusBar(String statusBarColor, boolean isFits, boolean isDarkFont, boolean keyboardEnable) {
+//        ImmersionBar.with(this)
+//                .fitsSystemWindows(isFits)
+//                .statusBarColor(statusBarColor)
+//                .statusBarDarkFont(isDarkFont)
+//                .keyboardEnable(keyboardEnable)
+//                .navigationBarColor(R.color.white)
+//                .navigationBarDarkIcon(true)
+//                .init();
+//    }
+
+    private final ActivityResultLauncher<Intent> activityLauncher =
+            registerForActivityResult(
+                    new ActivityResultContracts.StartActivityForResult(),
+                    result -> this.launchActivityCallback.callback(result)
+            );
+    private IActivityResult.LaunchActivityCallback launchActivityCallback;
+
+    public void launchActivityResult(Intent intent, IActivityResult.LaunchActivityCallback activityCallback) {
+        this.launchActivityCallback = activityCallback;
+        activityLauncher.launch(intent);
+    }
+
+    private IActivityResult.LaunchTackPictureCallback launchTackPictureCallback;
+
+    private final ActivityResultLauncher<Uri> tackPictureLauncher =
+            registerForActivityResult(
+                    new ActivityResultContracts.TakePicture(),
+                    result -> this.launchTackPictureCallback.callback(result)
+            );
+
+    public void launchTackPicture(Uri uri, IActivityResult.LaunchTackPictureCallback callback) {
+        this.launchTackPictureCallback = callback;
+        tackPictureLauncher.launch(uri);
+    }
+
+    private IActivityResult.RequestPermissionCallback launchPermissionCallback;
+
+    public void requestSinglePermissionResult(String permission, IActivityResult.RequestPermissionCallback permissionCallback) {
+        this.launchPermissionCallback = permissionCallback;
+        permissionLauncher.launch(permission);
+    }
+
+    private final ActivityResultLauncher<String> permissionLauncher =
+            registerForActivityResult(
+                    new ActivityResultContracts.RequestPermission(),
+                    result -> this.launchPermissionCallback.callback(result)
+            );
+
+    private IActivityResult.RequestMultiplePermissionsCallback launchMultiplePermissionsCallback;
+
+    public void requestMultiplePermissionsResult(String[] permissions, IActivityResult.RequestMultiplePermissionsCallback permissionCallback) {
+        this.launchMultiplePermissionsCallback = permissionCallback;
+        multiplePermissionLauncher.launch(permissions);
+    }
+
+    private final ActivityResultLauncher<String[]> multiplePermissionLauncher =
+            registerForActivityResult(
+                    new ActivityResultContracts.RequestMultiplePermissions(),
+                    result -> this.launchMultiplePermissionsCallback.callback(result)
+            );
+
+}

coalMiningApp/app/src/main/java/com/zmkg/coaloperation/base/BaseVMBActivity.kt

@@ -55,7 +55,7 @@ import java.sql.SQLException
  * 封装了ViewModel和DataBinding的Activity基类
  */
 abstract class BaseVMBActivity<VM : BaseViewModel, B : ViewDataBinding>(private val contentViewResId: Int) :
-    AppCompatActivity(), View.OnClickListener {
+    BaseActivity(), View.OnClickListener {
     var mContext: Context? = null
     var mActivity: Activity? = null
     lateinit var mViewModel: VM
@@ -447,4 +447,5 @@ abstract class BaseVMBActivity<VM : BaseViewModel, B : ViewDataBinding>(private
             return "0"
         }
     }
+
 }

coalMiningApp/app/src/main/java/com/zmkg/coaloperation/bean/IActivityResult.java

@@ -0,0 +1,24 @@
+package com.zmkg.coaloperation.bean;
+
+import androidx.activity.result.ActivityResult;
+
+import java.util.Map;
+
+public interface IActivityResult {
+
+    interface LaunchActivityCallback {
+        void callback(ActivityResult result);
+    }
+
+    interface LaunchTackPictureCallback {
+        void callback(boolean result);
+    }
+
+    interface RequestPermissionCallback {
+        void callback(boolean result);
+    }
+
+    interface RequestMultiplePermissionsCallback {
+        void callback(Map<String,Boolean> result);
+    }
+}

coalMiningApp/app/src/main/java/com/zmkg/coaloperation/bean/OtherData.kt

@@ -63,7 +63,10 @@ data class GeoPointMultiItem(
     var pointName: String = "",
     var pointDistance: String = "",
     var totalDistance: String = "",
-): MultiItemEntity {
+    var baseTopList: MutableList<BaseItem>? = null,
+    var baseBottomList: MutableList<BaseItem>? = null,
+    var images: MutableList<CommonImageBean>? = null
+) : MultiItemEntity {
     companion object {
         const val TYPE_BASE_INFO = 1
         const val TYPE_LOGGING_INFO = 2
@@ -72,6 +75,19 @@ data class GeoPointMultiItem(
     }
 }
 
-data class GeoPointImage(
-    var imagePath: String = ""
+data class CommonImageBean(
+    var imagePath: String = "",
+    var isAddFlag: Boolean = false
+)
+
+data class ReportItem(
+    var name: String = "",
+    var value: String = "",
+    var id: String = "",
+    //1-输入框，2-文本选择弹窗，3-时间选择弹窗，4-上传图片
+    var viewType: Int = 0,
+    var inputHint: String = "",
+    var inputShowLines: Int = 0,
+    var isSingleLine: Boolean = true,
+    var images: MutableList<CommonImageBean>? = null
 )

coalMiningApp/app/src/main/java/com/zmkg/coaloperation/db/entity/geologging/GeoLoggingFace.kt

@@ -0,0 +1,12 @@
+package com.zmkg.coaloperation.db.entity.geologging
+
+data class GeoLoggingFace(
+    var surfaceId: Long = 0,
+
+    var userId: String = "",
+
+    /**
+     * 工作面名称
+     */
+    var surfaceName: String? = "",
+)

coalMiningApp/app/src/main/java/com/zmkg/coaloperation/dialog/BaseDialog.kt

@@ -0,0 +1,15 @@
+package com.zmkg.coaloperation.dialog
+
+import android.app.Dialog
+import android.content.Context
+import androidx.annotation.StyleRes
+import com.zmkg.coaloperation.R
+
+open class BaseDialog(context: Context, @StyleRes dialogTheme: Int) :
+    Dialog(context, dialogTheme) {
+    constructor(context: Context) : this(context, R.style.DialogTheme)
+
+    override fun show() {
+        super.show()
+    }
+}

coalMiningApp/app/src/main/java/com/zmkg/coaloperation/dialog/CustomCenterDialog.kt

@@ -0,0 +1,105 @@
+package com.zmkg.coaloperation.dialog
+
+import android.graphics.drawable.ColorDrawable
+import android.os.Bundle
+import android.text.SpannableStringBuilder
+import android.view.Gravity
+import android.view.LayoutInflater
+import android.view.View
+import android.view.WindowManager
+import android.widget.TextView
+import androidx.fragment.app.FragmentActivity
+import com.allen.library.shape.ShapeButton
+import com.zmkg.coaloperation.databinding.DialogCommonBinding
+import com.zmkg.coaloperation.utils.dp
+
+class CustomCenterDialog(
+    var activity: FragmentActivity,
+    var defaultWidth: Int = 300.dp
+) : BaseDialog(activity) {
+
+    private lateinit var binding: DialogCommonBinding
+
+    var dialogCancelable = false
+    var dialogCanceledOnTouchOutside = false
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        binding = DialogCommonBinding.inflate(LayoutInflater.from(activity))
+        setContentView(binding.root)
+
+        setCancelable(dialogCancelable)
+        setCanceledOnTouchOutside(dialogCanceledOnTouchOutside)
+        window?.apply {
+            setLayout(defaultWidth, WindowManager.LayoutParams.WRAP_CONTENT)
+            setBackgroundDrawable(ColorDrawable())
+            setGravity(Gravity.CENTER)
+        }
+        binding.btnCancel.setOnClickListener { onLeftClick?.invoke(this) }
+        binding.btnConfirm.setOnClickListener { onRightClick?.invoke(this) }
+    }
+
+    private var dialogTitle: String = ""
+    fun setDialogTitle(title: String) {
+        this.dialogTitle = title
+    }
+
+    private var dialogContent: String = ""
+    fun setDialogContent(content: String) {
+        this.dialogContent = content
+    }
+
+    private var spannableBuilder: SpannableStringBuilder? = null
+    fun setDialogContent(spannableBuilder: SpannableStringBuilder) {
+        this.spannableBuilder = spannableBuilder
+    }
+
+    private var dialogLeftBtnText = ""
+    private var onLeftClick: ((CustomCenterDialog) -> Unit)? = null
+    fun setCancelButton(
+        text: String,
+        onClick: (CustomCenterDialog) -> Unit
+    ) {
+        this.dialogLeftBtnText = text
+        this.onLeftClick = onClick
+    }
+
+    private var dialogRightBtnText = ""
+    private var onRightClick: ((CustomCenterDialog) -> Unit)? = null
+    fun setConfirmButton(
+        text: String,
+        onClick: (CustomCenterDialog) -> Unit
+    ) {
+        this.dialogRightBtnText = text
+        this.onRightClick = onClick
+    }
+
+    private var showSingleButton = false
+    fun setShowSingleButton(show: Boolean) {
+        this.showSingleButton = show
+    }
+
+
+    var bgLayoutSetting: ((View) -> Unit)? = null
+    var titleSetting: ((TextView) -> Unit)? = null
+    var contentSetting: ((TextView) -> Unit)? = null
+    var leftBtnSetting: ((ShapeButton) -> Unit)? = null
+    var rightBtnSetting: ((ShapeButton) -> Unit)? = null
+
+    override fun show() {
+        super.show()
+
+        binding.tvDialogTitle.apply {
+            text = dialogTitle
+        }
+        binding.tvDialogContent.apply {
+            text = dialogContent
+        }
+
+        bgLayoutSetting?.invoke(binding.root)
+        titleSetting?.invoke(binding.tvDialogTitle)
+        contentSetting?.invoke(binding.tvDialogContent)
+        leftBtnSetting?.invoke(binding.btnCancel)
+        rightBtnSetting?.invoke(binding.btnConfirm)
+    }
+}

coalMiningApp/app/src/main/java/com/zmkg/coaloperation/superfuntion/ViewExt.kt

@@ -207,7 +207,7 @@ fun ImageView.loadCircle(@DrawableRes resourceId: Int) {
  * @param imageView  View
  * @param placeholder  占位图
  */
-fun ImageView.loadRoundedImage(
+fun ImageView.loadRoundedImage2(
     url: String?,
     roundingRadius: Float,
     @DrawableRes defaultResId: Int = 0,
@@ -239,6 +239,32 @@ fun ImageView.loadRoundedImage(
         .into(this)
 }
 
+fun ImageView.loadRoundedImage(
+    any: Any,
+    roundingRadius: Float,
+    @DrawableRes defaultResId: Int = 0,
+    isCenterCrop:Boolean = true
+) {
+    //设置图片圆角角度
+    val roundedCorners = RoundedCorners(dp2px(roundingRadius))
+    val multiTransformation: MultiTransformation<Bitmap> = MultiTransformation(
+        if (isCenterCrop) CenterCrop() else FitCenter(), roundedCorners
+    )
+    val options = RequestOptions
+        .bitmapTransform(multiTransformation)
+    if (defaultResId == 0) {
+        options.placeholder(R.drawable.ic_default)
+            .error(R.drawable.ic_default)
+    } else {
+        options.placeholder(defaultResId)
+            .error(defaultResId)
+    }
+    Glide.with(context)
+        .load(any)
+        .apply(options)
+        .into(this)
+}
+
 /**
  * 加载图片到ImageView
  * @param imageUrl  图片地址

coalMiningApp/app/src/main/java/com/zmkg/coaloperation/ui/geologging/AddGeoLoggingFaceActivity.kt

@@ -0,0 +1,39 @@
+package com.zmkg.coaloperation.ui.geologging
+
+import android.os.Bundle
+import android.view.View
+import com.zmkg.coaloperation.R
+import com.zmkg.coaloperation.base.BaseVMBActivity
+import com.zmkg.coaloperation.base.viewmodel.TestViewModel
+import com.zmkg.coaloperation.databinding.ActivityAddGeoLoggingFaceBinding
+
+class AddGeoLoggingFaceActivity :
+    BaseVMBActivity<TestViewModel, ActivityAddGeoLoggingFaceBinding>(
+        R.layout.activity_add_geo_logging_face
+    ) {
+
+    override fun initView(savedInstanceState: Bundle?) {
+        mBinding.toolbarLay.title = "新增工作面"
+        mBinding.btnAddFace.setOnClickListener {
+            val faceName = mBinding.etWorkfaceName.text.toString().trim()
+            if (faceName.isBlank()) {
+                showToast("请输入工作面名称")
+                return@setOnClickListener
+            }
+
+        }
+    }
+
+    override fun initData() {
+
+    }
+
+    override fun bindEvent() {
+
+    }
+
+    override fun processClick(v: View?) {
+
+    }
+
+}

coalMiningApp/app/src/main/java/com/zmkg/coaloperation/ui/geologging/AddGeologicalPointActivity.kt

@@ -1,19 +1,40 @@
 package com.zmkg.coaloperation.ui.geologging
 
+import android.content.Context
+import android.content.Intent
+import android.graphics.Color
+import android.graphics.drawable.GradientDrawable
 import android.os.Bundle
 import android.view.View
+import android.view.ViewGroup
+import android.widget.FrameLayout
+import android.widget.LinearLayout
+import androidx.core.graphics.toColorInt
+import androidx.core.view.marginLeft
+import androidx.core.view.marginStart
+import androidx.core.view.updateLayoutParams
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.commit
 import com.zmkg.coaloperation.R
 import com.zmkg.coaloperation.base.BaseVMBActivity
 import com.zmkg.coaloperation.base.viewmodel.TestViewModel
 import com.zmkg.coaloperation.databinding.ActivityAddGeologicalPointBinding
+import com.zmkg.coaloperation.utils.dp
+import com.zmkg.coaloperation.utils.useShapeSetBackground
+import net.lucode.hackware.magicindicator.FragmentContainerHelper
+import net.lucode.hackware.magicindicator.buildins.commonnavigator.CommonNavigator
+import net.lucode.hackware.magicindicator.buildins.commonnavigator.abs.CommonNavigatorAdapter
+import net.lucode.hackware.magicindicator.buildins.commonnavigator.abs.IPagerTitleView
+import net.lucode.hackware.magicindicator.buildins.commonnavigator.indicators.LinePagerIndicator
+import net.lucode.hackware.magicindicator.buildins.commonnavigator.titles.ColorTransitionPagerTitleView
 
 /**
  * 地质编录点新增
  */
 class AddGeologicalPointActivity :
-    BaseVMBActivity<TestViewModel, ActivityAddGeologicalPointBinding>(R.layout.activity_add_geological_point) {
+    BaseVMBActivity<TestViewModel, ActivityAddGeologicalPointBinding>(
+        R.layout.activity_add_geological_point
+    ) {
 
 
     override fun initView(savedInstanceState: Bundle?) {
@@ -21,13 +42,8 @@ class AddGeologicalPointActivity :
 //        mBinding.toolbarLay.rightText = "新增工作面"
 
         initFragments()
-        //switchFragment(0)
-
-        supportFragmentManager.commit {
-            setCustomAnimations(android.R.anim.fade_in, android.R.anim.fade_out)
-            show(fragments[0])
-            setReorderingAllowed(true)
-        }
+        initMagicIndicator()
+        showFragment(0)
     }
 
     override fun initData() {
@@ -40,22 +56,75 @@ class AddGeologicalPointActivity :
     }
 
 
-    private val fragments = mutableListOf<Fragment>()
+    private val fragments = mutableListOf<AddGeologicalPointFragment>()
     private fun initFragments() {
-        fragments.apply {
-            add(AddGeologicalPointFragment())
-            add(AddGeologicalPointFragment())
-            add(AddGeologicalPointFragment())
-            add(AddGeologicalPointFragment())
-            add(AddGeologicalPointFragment())
-        }
+        titles.forEachIndexed { index, string ->
+            val fragment = AddGeologicalPointFragment()
+            fragments.add(fragment)
             supportFragmentManager.commit {
-//            add(R.id.fragment_container, fragments[0], "volume").hide(fragments[0])
-            replace(R.id.frgContainerView, fragments[0], "point01")
+                add(R.id.frgContainerView, fragment, "frg_${index}").hide(fragment)
+//            replace(R.id.frgContainerView, fragments[0], "point01")
+            }
         }
     }
 
-    private fun switchFragment(position: Int) {
+    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+        super.onActivityResult(requestCode, resultCode, data)
+        fragments[showFrgIndex].onActivityResult(requestCode, resultCode, data)
+    }
+
+    private val titles = listOf("1#", "2#", "3#", "4#", "5#", "6#")
+    private fun initMagicIndicator() {
+        val commonNavigator = CommonNavigator(this).apply {
+            adapter = object : CommonNavigatorAdapter() {
+                override fun getCount() = titles.size
+                override fun getTitleView(context: Context?, index: Int): IPagerTitleView {
+                    return ColorTransitionPagerTitleView(context).apply {
+//                        setPadding(10.dp, 5.dp,10.dp, 5.dp)
+                        width = 65.dp
+                        text = titles[index]
+                        textSize = 20f
+                        normalColor = Color.WHITE
+                        selectedColor = "#30E0A1".toColorInt()
+                        useShapeSetBackground(
+                            cornerRadius = 12.dp.toFloat(),
+                            solidColor = "#1430E0A1".toColorInt(),
+                            strokeColor = "#0C0D0E".toColorInt(),
+                            strokeWidth = 8.dp
+                        )
+                        setOnClickListener { showFragment(index) }
+                    }
+                }
+
+                override fun getIndicator(context: Context?) = LinePagerIndicator(context).apply {
+//                    mode = LinePagerIndicator.MODE_WRAP_CONTENT
+//                    setColors("#30E0A1".toColorInt())
+//                    lineHeight = 1.dp.toFloat()
+                    //lineWidth = 10.dp.toFloat()
+//                    background = GradientDrawable().also {
+//                        it.shape = GradientDrawable.RECTANGLE
+//                        it.cornerRadius = 5.dp.toFloat()
+//                        it.setColor("#30E0A1".toColorInt())
+////                        it.setStroke(strokeWidth, strokeColor)
+//                    }
+                }
+            }
+        }
+        mBinding.magicIndicator.let {
+            fragmentContainerHelper = FragmentContainerHelper(it)
+            it.navigator = commonNavigator
+        }
+    }
+
+    private lateinit var fragmentContainerHelper:FragmentContainerHelper
+
+    private var showFrgIndex = 0
+    private fun showFragment(position: Int) {
+        showFrgIndex = position
+//        supportFragmentManager.beginTransaction()
+//            .replace(R.id.frgContainerView, fragments[position])
+//            .commit()
+        fragmentContainerHelper.handlePageSelected(position)
         supportFragmentManager.commit {
             setCustomAnimations(android.R.anim.fade_in, android.R.anim.fade_out)
             fragments.forEachIndexed { index, fragment ->

coalMiningApp/app/src/main/java/com/zmkg/coaloperation/ui/geologging/AddGeologicalPointFragment.kt

@@ -7,23 +7,54 @@ import com.zmkg.coaloperation.R
 import com.zmkg.coaloperation.adapter.GeoPointMultiAdapter
 import com.zmkg.coaloperation.base.BaseVMBFragment
 import com.zmkg.coaloperation.base.viewmodel.TestViewModel
+import com.zmkg.coaloperation.bean.BaseItem
+import com.zmkg.coaloperation.bean.CommonImageBean
 import com.zmkg.coaloperation.bean.GeoPointMultiItem
 import com.zmkg.coaloperation.databinding.FragmentAddGeologicalPointBinding
 
 class AddGeologicalPointFragment :
     BaseVMBFragment<TestViewModel, FragmentAddGeologicalPointBinding>(R.layout.fragment_add_geological_point) {
 
+    companion object {
+        const val IMAGE_REQUEST_CODE = 1000
+    }
+
     private val geoPointList: MutableList<GeoPointMultiItem> = mutableListOf()
     private val geoPointAdapter by lazy {
         GeoPointMultiAdapter(geoPointList)
     }
 
     override fun initView(root: View?, savedInstanceState: Bundle?) {
+        geoPointList.clear()
+        val topList = mutableListOf(
+            BaseItem(name = "点号", value = ""),
+            BaseItem(name = "点距", value = ""),
+            BaseItem(name = "累距", value = ""),
+        )
+        val bottomList = mutableListOf(
+            BaseItem(name = "巷高", value = ""),
+            BaseItem(name = "顶板", value = ""),
+            BaseItem(name = "底板", value = ""),
+            BaseItem(name = "巷顶煤厚", value = ""),
+        )
+        val imageList = mutableListOf<CommonImageBean>()
+        imageList.add(CommonImageBean(isAddFlag = true))
         geoPointList.run {
-            add(GeoPointMultiItem(itemType = GeoPointMultiItem.TYPE_BASE_INFO))
+            add(
+                GeoPointMultiItem(
+                    itemType = GeoPointMultiItem.TYPE_BASE_INFO,
+                    baseTopList = topList,
+                    baseBottomList = bottomList
+                )
+            )
             add(GeoPointMultiItem(itemType = GeoPointMultiItem.TYPE_LOGGING_INFO))
             add(GeoPointMultiItem(itemType = GeoPointMultiItem.TYPE_CALCULATE_INFO))
-            add(GeoPointMultiItem(itemType = GeoPointMultiItem.TYPE_UPLOAD_IMAGE))
+            add(
+                GeoPointMultiItem(
+                    itemType = GeoPointMultiItem.TYPE_UPLOAD_IMAGE,
+                    images = imageList
+                )
+            )
         }
         mBinding.rvPointList.let {
             it.layoutManager = LinearLayoutManager(it.context)

coalMiningApp/app/src/main/java/com/zmkg/coaloperation/ui/geologging/GeologicalActivity.kt

@@ -2,10 +2,13 @@ package com.zmkg.coaloperation.ui.geologging
 
 import android.os.Bundle
 import android.view.View
+import androidx.recyclerview.widget.LinearLayoutManager
 import com.zmkg.coaloperation.R
+import com.zmkg.coaloperation.adapter.GeoLoggingFaceAdapter
 import com.zmkg.coaloperation.base.BaseVMBActivity
 import com.zmkg.coaloperation.base.viewmodel.TestViewModel
 import com.zmkg.coaloperation.databinding.ActivityGeologicalBinding
+import com.zmkg.coaloperation.db.entity.geologging.GeoLoggingFace
 
 /**
  * 地质编录
@@ -13,11 +16,36 @@ import com.zmkg.coaloperation.databinding.ActivityGeologicalBinding
 class GeologicalActivity :
     BaseVMBActivity<TestViewModel, ActivityGeologicalBinding>(R.layout.activity_geological) {
 
+    val faceList: MutableList<GeoLoggingFace> = mutableListOf()
+    val faceAdapter by lazy {
+        GeoLoggingFaceAdapter(faceList).apply {
+            setOnItemClickListener { adapter, view, position ->
+                toActivity(GeologicalPointActivity::class.java)
+            }
+        }
+    }
+
     override fun initView(savedInstanceState: Bundle?) {
         mBinding.toolbarLay.title = "编录位置选择"
         mBinding.toolbarLay.rightText = "新增工作面"
         mBinding.toolbarLay.titleTvRight.setOnClickListener {
-            toActivity(GeologicalPointActivity::class.java)
+            toActivity(AddGeoLoggingFaceActivity::class.java)
+        }
+
+        faceList.run {
+            add(GeoLoggingFace(surfaceName = "5-20304回风工作面"))
+            add(GeoLoggingFace(surfaceName = "5-20305回风工作面"))
+            add(GeoLoggingFace(surfaceName = "5-20306回风工作面"))
+            add(GeoLoggingFace(surfaceName = "5-20307回风工作面"))
+            add(GeoLoggingFace(surfaceName = "5-20308回风工作面"))
+            add(GeoLoggingFace(surfaceName = "5-20309回风工作面"))
+            add(GeoLoggingFace(surfaceName = "5-20310回风工作面"))
+            add(GeoLoggingFace(surfaceName = "5-20311回风工作面"))
+        }
+
+        mBinding.rvGeoLogging.let {
+            it.layoutManager = LinearLayoutManager(this)
+            it.adapter = faceAdapter
         }
     }
 

coalMiningApp/app/src/main/java/com/zmkg/coaloperation/ui/report/adapter/ImageAdapter.kt

@@ -1,123 +1,123 @@
-package com.zmkg.coaloperation.ui.report.adapter
-
-import android.view.View
-import com.chad.library.adapter.base.module.LoadMoreModule
-import com.chad.library.adapter.base.viewholder.BaseDataBindingHolder
-import com.zmkg.coaloperation.R
-import com.zmkg.coaloperation.adapter.common.BaseDataBindingAdapter
-import com.zmkg.coaloperation.bean.ImageBean
-import com.zmkg.coaloperation.databinding.ItemRecycleImageBinding
-import com.zmkg.coaloperation.superfuntion.loadRoundedImage
-import java.io.File
-
-class ImageAdapter(var maxNum: Int): BaseDataBindingAdapter<ImageBean, ItemRecycleImageBinding>(
-    R.layout.item_recycle_image
-), LoadMoreModule {
-    private var isEditModel = false
-    private var editImageShow = false
-    override fun bindViewClickListener(
-        viewHolder: BaseDataBindingHolder<ItemRecycleImageBinding>,
-        viewType: Int
-    ) {
-        addChildClickViewIds(R.id.btn_delete)
-        super.bindViewClickListener(viewHolder, viewType)
-    }
-    override fun convert(
-        holder: BaseDataBindingHolder<ItemRecycleImageBinding>,
-        item: ImageBean
-    ) {
-        val mBinding = holder.dataBinding
-        mBinding?.let {
-            if(item.isAddButton){
-                mBinding.ivImage.setImageResource(R.mipmap.upload)
-                mBinding.btnDelete.visibility = View.GONE
-            }else{
-                if(item.isFilePath){
-                    mBinding.ivImage.loadRoundedImage(File(item.imageUrl), 5f)
-                }else{
-                    mBinding.ivImage.loadRoundedImage(item.imageUrl, 5f, R.drawable.ic_default)
-                }
-                if(isEditModel){
-                    mBinding.btnDelete.visibility = View.VISIBLE
-                }else{
-                    mBinding.btnDelete.visibility = View.GONE
-                }
-            }
-        }
-    }
-    fun isEditModel(isEdit: Boolean){
-        isEditModel = isEdit
-        notifyDataSetChanged()
-        if(isEditModel && !editImageShow){
-            showAddButton(true)
-        }
-    }
-
-    override fun setList(list: Collection<ImageBean>?) {
-        super.setList(list)
-        if(isEditModel){
-            showAddButton(true)
-        }
-    }
-    override fun setNewInstance(list: MutableList<ImageBean>?) {
-        super.setNewInstance(list)
-        if(isEditModel){
-            showAddButton(true)
-        }
-    }
-
-    override fun addData(newData: Collection<ImageBean>) {
-        if(isEditModel){
-            if(editImageShow){
-                var lastPosition = data.size - 1
-                if(lastPosition < 0){
-                    lastPosition = 0
-                }
-                addData(lastPosition, newData)
-            }else{
-                showAddButton(true)
-            }
-            if(data.size > maxNum){
-                showAddButton(false)
-            }
-        }else{
-            super.addData(newData)
-        }
-    }
-
-    override fun removeAt(position: Int) {
-        super.removeAt(position)
-        if(isEditModel && !editImageShow){
-            showAddButton(true)
-        }
-    }
-    fun getImageList(): MutableList<ImageBean>{
-        var list = mutableListOf<ImageBean>()
-        data.forEach { imageBean ->
-            if(!imageBean.isAddButton){
-                list.add(imageBean)
-            }
-        }
-        return list
-    }
-    fun getImageSize(): Int {
-        if(isEditModel && editImageShow){
-            return getDefItemCount() - 1
-        }
-        return getDefItemCount()
-    }
-
-    /**
-     * 显示添加图片按钮
-     * @param isShow true为显示 false为隐藏
-     */
-    private fun showAddButton(isShow: Boolean){
-        editImageShow = if(isShow){
-            addData(ImageBean(isAddButton = true))
-            true
-        }else{
-            removeAt(data.size-1)
-            false
-        }
-    }
-}
+//package com.zmkg.coaloperation.ui.report.adapter
+//
+//import android.view.View
+//import com.chad.library.adapter.base.module.LoadMoreModule
+//import com.chad.library.adapter.base.viewholder.BaseDataBindingHolder
+//import com.zmkg.coaloperation.R
+//import com.zmkg.coaloperation.adapter.common.BaseDataBindingAdapter
+//import com.zmkg.coaloperation.bean.ImageBean
+//import com.zmkg.coaloperation.databinding.ItemRecycleImageBinding
+//import com.zmkg.coaloperation.superfuntion.loadRoundedImage
+//import java.io.File
+//
+//class ImageAdapter(var maxNum: Int): BaseDataBindingAdapter<ImageBean, ItemRecycleImageBinding>(
+//    R.layout.item_recycle_image
+//), LoadMoreModule {
+//    private var isEditModel = false
+//    private var editImageShow = false
+//    override fun bindViewClickListener(
+//        viewHolder: BaseDataBindingHolder<ItemRecycleImageBinding>,
+//        viewType: Int
+//    ) {
+//        addChildClickViewIds(R.id.btn_delete)
+//        super.bindViewClickListener(viewHolder, viewType)
+//    }
+//    override fun convert(
+//        holder: BaseDataBindingHolder<ItemRecycleImageBinding>,
+//        item: ImageBean
+//    ) {
+//        val mBinding = holder.dataBinding
+//        mBinding?.let {
+//            if(item.isAddButton){
+//                mBinding.ivImage.setImageResource(R.mipmap.upload)
+//                mBinding.btnDelete.visibility = View.GONE
+//            }else{
+//                if(item.isFilePath){
+//                    mBinding.ivImage.loadRoundedImage(File(item.imageUrl), 5f)
+//                }else{
+//                    mBinding.ivImage.loadRoundedImage(item.imageUrl, 5f, R.drawable.ic_default)
+//                }
+//                if(isEditModel){
+//                    mBinding.btnDelete.visibility = View.VISIBLE
+//                }else{
+//                    mBinding.btnDelete.visibility = View.GONE
+//                }
+//            }
+//        }
+//    }
+//    fun isEditModel(isEdit: Boolean){
+//        isEditModel = isEdit
+//        notifyDataSetChanged()
+//        if(isEditModel && !editImageShow){
+//            showAddButton(true)
+//        }
+//    }
+//
+//    override fun setList(list: Collection<ImageBean>?) {
+//        super.setList(list)
+//        if(isEditModel){
+//            showAddButton(true)
+//        }
+//    }
+//    override fun setNewInstance(list: MutableList<ImageBean>?) {
+//        super.setNewInstance(list)
+//        if(isEditModel){
+//            showAddButton(true)
+//        }
+//    }
+//
+//    override fun addData(newData: Collection<ImageBean>) {
+//        if(isEditModel){
+//            if(editImageShow){
+//                var lastPosition = data.size - 1
+//                if(lastPosition < 0){
+//                    lastPosition = 0
+//                }
+//                addData(lastPosition, newData)
+//            }else{
+//                showAddButton(true)
+//            }
+//            if(data.size > maxNum){
+//                showAddButton(false)
+//            }
+//        }else{
+//            super.addData(newData)
+//        }
+//    }
+//
+//    override fun removeAt(position: Int) {
+//        super.removeAt(position)
+//        if(isEditModel && !editImageShow){
+//            showAddButton(true)
+//        }
+//    }
+//    fun getImageList(): MutableList<ImageBean>{
+//        var list = mutableListOf<ImageBean>()
+//        data.forEach { imageBean ->
+//            if(!imageBean.isAddButton){
+//                list.add(imageBean)
+//            }
+//        }
+//        return list
+//    }
+//    fun getImageSize(): Int {
+//        if(isEditModel && editImageShow){
+//            return getDefItemCount() - 1
+//        }
+//        return getDefItemCount()
+//    }
+//
+//    /**
+//     * 显示添加图片按钮
+//     * @param isShow true为显示 false为隐藏
+//     */
+//    private fun showAddButton(isShow: Boolean){
+//        editImageShow = if(isShow){
+//            addData(ImageBean(isAddButton = true))
+//            true
+//        }else{
+//            removeAt(data.size-1)
+//            false
+//        }
+//    }
+//}

coalMiningApp/app/src/main/java/com/zmkg/coaloperation/ui/report/fragment/Report2Fragment.kt

@@ -0,0 +1,79 @@
+package com.zmkg.coaloperation.ui.report.fragment
+
+import android.os.Bundle
+import android.view.View
+import android.widget.RelativeLayout
+import androidx.core.view.updateLayoutParams
+import androidx.recyclerview.widget.LinearLayoutManager
+import com.zmkg.coaloperation.R
+import com.zmkg.coaloperation.adapter.ReportAdapter
+import com.zmkg.coaloperation.base.BaseVMBFragment
+import com.zmkg.coaloperation.bean.CommonImageBean
+import com.zmkg.coaloperation.bean.ReportItem
+import com.zmkg.coaloperation.databinding.FragmentReport2Binding
+import com.zmkg.coaloperation.ui.report.viewmodel.ReportViewModel
+import com.zmkg.coaloperation.utils.dp
+import com.zmkg.coaloperation.utils.gone
+
+class Report2Fragment :
+    BaseVMBFragment<ReportViewModel, FragmentReport2Binding>(R.layout.fragment_report2) {
+
+    lateinit var pageStatus: PageStatus
+
+    enum class PageStatus(val status: Int) {
+        ADD(1),
+        EDIT(2),
+        SEE(3),
+        NO_EDIT(4)
+    }
+
+    private val reportItemList = mutableListOf(
+        ReportItem(viewType = 2, name = "上报类型"),
+        ReportItem(viewType = 2, name = "上报区域"),
+        ReportItem(viewType = 1, name = "上报地点", isSingleLine = true, inputHint = "请输入"),
+        ReportItem(viewType = 1, name = "上报描述", isSingleLine = true, inputHint = "请输入"),
+        ReportItem(viewType = 3, name = "上报时间"),
+        ReportItem(viewType = 2, name = "处理状态"),
+        ReportItem(viewType = 2, name = "上报人"),
+        ReportItem(viewType = 2, name = "处理人"),
+        ReportItem(viewType = 1, name = "处理策略", isSingleLine = false, inputShowLines = 4, inputHint = "请输入"),
+        ReportItem(viewType = 1, name = "处理结果", isSingleLine = false, inputShowLines = 4, inputHint = "请输入"),
+        ReportItem(viewType = 3, name = "处理时间"),
+        ReportItem(viewType = 4, name = "上传图片", images = mutableListOf(
+            CommonImageBean(isAddFlag = true)
+        )),
+        ReportItem(viewType = 1, name = "备注", isSingleLine = false, inputShowLines = 6 ,inputHint = "请输入备注信息，120字以内"),
+    )
+    private val reportAdapter by lazy {
+        ReportAdapter(reportItemList)
+    }
+
+    override fun initView(root: View?, savedInstanceState: Bundle?) {
+        mBinding.toolbarLay.title = "新增临时上报"
+        mBinding.toolbarLay.rightText = "查看记录"
+        mBinding.toolbarLay.titleIvBack.gone()
+        mBinding.toolbarLay.titleTvName.updateLayoutParams<RelativeLayout.LayoutParams> {
+            leftMargin = 20.dp
+        }
+        mBinding.rvReport.let {
+            it.layoutManager = LinearLayoutManager(it.context)
+            it.adapter = reportAdapter
+        }
+    }
+
+
+    override fun bindEvent() {
+    }
+
+    override fun onClick(v: View?) {
+    }
+
+    override fun transparentStatusBar(): Boolean {
+        return true
+    }
+
+    override fun createObserve() {
+        super.createObserve()
+    }
+
+}

coalMiningApp/app/src/main/java/com/zmkg/coaloperation/ui/report/fragment/ReportFragment.kt

@@ -1,200 +1,204 @@
-package com.zmkg.coaloperation.ui.report.fragment
-
-import android.os.Bundle
-import android.view.View
-import androidx.core.view.ViewCompat
-import androidx.lifecycle.Lifecycle
-import androidx.lifecycle.lifecycleScope
-import androidx.lifecycle.repeatOnLifecycle
-import androidx.recyclerview.widget.GridLayoutManager
-import com.chad.library.adapter.base.BaseQuickAdapter
-import com.chad.library.adapter.base.listener.OnItemChildClickListener
-import com.chad.library.adapter.base.listener.OnItemClickListener
-import com.luck.picture.lib.basic.PictureSelectionModel
-import com.luck.picture.lib.basic.PictureSelector
-import com.luck.picture.lib.config.SelectMimeType
-import com.luck.picture.lib.config.SelectModeConfig
-import com.luck.picture.lib.entity.LocalMedia
-import com.luck.picture.lib.interfaces.OnResultCallbackListener
-import com.luck.picture.lib.utils.SandboxTransformUtils
-import com.zmkg.coaloperation.utils.pictureSelector.ImageFileCompressEngine
-import com.zmkg.coaloperation.R
-import com.zmkg.coaloperation.base.BaseVMBFragment
-import com.zmkg.coaloperation.bean.ImageBean
-import com.zmkg.coaloperation.databinding.FragmentReportBinding
-import com.zmkg.coaloperation.ui.report.adapter.ImageAdapter
-import com.zmkg.coaloperation.ui.report.viewmodel.ReportViewModel
-import com.zmkg.coaloperation.utils.pictureSelector.GlideEngine
-import kotlinx.coroutines.flow.collectLatest
-import kotlinx.coroutines.launch
-
-class ReportFragment :
-    BaseVMBFragment<ReportViewModel, FragmentReportBinding>(R.layout.fragment_report),
-    OnItemClickListener, OnItemChildClickListener {
-
-    private val imageAdapter by lazy { ImageAdapter(maxImageNum) }
-    lateinit var pageStatus: PageStatus
-
-    companion object {
-        const val maxImageNum = 5
-    }
-
-    override fun initView(root: View?, savedInstanceState: Bundle?) {
-
-        mBinding.apply {
-            val gridLayoutManager = GridLayoutManager(context, 3)
-            layInspectionReport.rvList.layoutManager = gridLayoutManager
-            imageAdapter.setOnItemClickListener(this@ReportFragment)
-            imageAdapter.setOnItemChildClickListener(this@ReportFragment)
-            mBinding.layInspectionReport.rvList.adapter = imageAdapter
-            ViewCompat.setNestedScrollingEnabled(layInspectionReport.rvList, false)
-        }
-
-        setPageModel(PageStatus.ADD)
-
-    }
-
-    enum class PageStatus(val status: Int) {
-        ADD(1),
-        EDIT(2),
-        SEE(3),
-        NO_EDIT(4)
-    }
-
-    private fun setPageModel(status: PageStatus) {
-        this.pageStatus = status
-        mBinding?.apply {
-            when (status) {
-                PageStatus.ADD -> {
-                    lifecycleScope.launch {
-                        mViewModel.noEdit.emit(false)
-                    }
-                }
-
-                PageStatus.EDIT -> {
-                    lifecycleScope.launch {
-                        mViewModel.noEdit.emit(false)
-                    }
-
-                }
-
-                PageStatus.SEE -> {
-                    lifecycleScope.launch {
-                        mViewModel.noEdit.emit(true)
-                    }
-                }
-
-                PageStatus.NO_EDIT -> {
-                    lifecycleScope.launch {
-                        mViewModel.noEdit.emit(true)
-                    }
-                }
-            }
-        }
-    }
-
-
-    override fun bindEvent() {
-    }
-
-    override fun onClick(v: View?) {
-    }
-
-    override fun transparentStatusBar(): Boolean {
-        return true
-    }
-
-    override fun createObserve() {
-        super.createObserve()
-        lifecycleScope.launch {
-            repeatOnLifecycle(Lifecycle.State.CREATED) {
-                mViewModel.noEdit.collectLatest { noEdit ->
-                    mBinding.apply {
-                        imageAdapter.isEditModel(!noEdit)
-                    }
-                }
-            }
-        }
-    }
-
-    override fun onItemClick(adapter: BaseQuickAdapter<*, *>, view: View, position: Int) {
-        val imageBean: ImageBean = adapter.getItem(position) as ImageBean
-        imageBean?.let { it ->
-            if (it.isAddButton) {
-                initPictureSelectorModel()
-                    .forResult(object : OnResultCallbackListener<LocalMedia?> {
-                        override fun onResult(result: ArrayList<LocalMedia?>?) {
-                            result?.let { list ->
-                                var resultList = localMediaToImageList(list)
-                                imageAdapter.addData(resultList)
-                                setImageNum(imageAdapter.getImageSize())
-                            }
-                        }
-
-                        override fun onCancel() {}
-                    })
-            } else {
-//                startFullScreenImageActivity(
-//                    it.isFilePath,
-//                    it.imageUrl
+//package com.zmkg.coaloperation.ui.report.fragment
+//
+//import android.os.Bundle
+//import android.view.View
+//import androidx.core.view.ViewCompat
+//import androidx.lifecycle.Lifecycle
+//import androidx.lifecycle.lifecycleScope
+//import androidx.lifecycle.repeatOnLifecycle
+//import androidx.recyclerview.widget.GridLayoutManager
+//import com.chad.library.adapter.base.BaseQuickAdapter
+//import com.chad.library.adapter.base.listener.OnItemChildClickListener
+//import com.chad.library.adapter.base.listener.OnItemClickListener
+//import com.luck.picture.lib.basic.PictureSelectionModel
+//import com.luck.picture.lib.basic.PictureSelector
+//import com.luck.picture.lib.config.SelectMimeType
+//import com.luck.picture.lib.config.SelectModeConfig
+//import com.luck.picture.lib.entity.LocalMedia
+//import com.luck.picture.lib.interfaces.OnResultCallbackListener
+//import com.luck.picture.lib.utils.SandboxTransformUtils
+//import com.zmkg.coaloperation.utils.pictureSelector.ImageFileCompressEngine
+//import com.zmkg.coaloperation.R
+//import com.zmkg.coaloperation.base.BaseActivity
+//import com.zmkg.coaloperation.base.BaseVMBFragment
+//import com.zmkg.coaloperation.bean.ImageBean
+//import com.zmkg.coaloperation.databinding.FragmentReportBinding
+//import com.zmkg.coaloperation.ui.report.adapter.ImageAdapter
+//import com.zmkg.coaloperation.ui.report.viewmodel.ReportViewModel
+//import com.zmkg.coaloperation.utils.permission.StorageUtils
+//import com.zmkg.coaloperation.utils.pictureSelector.GlideEngine
+//import kotlinx.coroutines.flow.collectLatest
+//import kotlinx.coroutines.launch
+//
+//class ReportFragment :
+//    BaseVMBFragment<ReportViewModel, FragmentReportBinding>(R.layout.fragment_report),
+//    OnItemClickListener, OnItemChildClickListener {
+//
+//    private val imageAdapter by lazy { ImageAdapter(maxImageNum) }
+//    lateinit var pageStatus: PageStatus
+//
+//    companion object {
+//        const val maxImageNum = 5
+//    }
+//
+//    override fun initView(root: View?, savedInstanceState: Bundle?) {
+//
+//        mBinding.apply {
+//            val gridLayoutManager = GridLayoutManager(context, 3)
+//            layInspectionReport.rvList.layoutManager = gridLayoutManager
+//            imageAdapter.setOnItemClickListener(this@ReportFragment)
+//            imageAdapter.setOnItemChildClickListener(this@ReportFragment)
+//            mBinding.layInspectionReport.rvList.adapter = imageAdapter
+//            ViewCompat.setNestedScrollingEnabled(layInspectionReport.rvList, false)
+//        }
+//
+//        setPageModel(PageStatus.ADD)
+//
+//    }
+//
+//    enum class PageStatus(val status: Int) {
+//        ADD(1),
+//        EDIT(2),
+//        SEE(3),
+//        NO_EDIT(4)
+//    }
+//
+//    private fun setPageModel(status: PageStatus) {
+//        this.pageStatus = status
+//        mBinding?.apply {
+//            when (status) {
+//                PageStatus.ADD -> {
+//                    lifecycleScope.launch {
+//                        mViewModel.noEdit.emit(false)
+//                    }
+//                }
+//
+//                PageStatus.EDIT -> {
+//                    lifecycleScope.launch {
+//                        mViewModel.noEdit.emit(false)
+//                    }
+//
+//                }
+//
+//                PageStatus.SEE -> {
+//                    lifecycleScope.launch {
+//                        mViewModel.noEdit.emit(true)
+//                    }
+//                }
+//
+//                PageStatus.NO_EDIT -> {
+//                    lifecycleScope.launch {
+//                        mViewModel.noEdit.emit(true)
+//                    }
+//                }
+//            }
+//        }
+//    }
+//
+//
+//    override fun bindEvent() {
+//    }
+//
+//    override fun onClick(v: View?) {
+//    }
+//
+//    override fun transparentStatusBar(): Boolean {
+//        return true
+//    }
+//
+//    override fun createObserve() {
+//        super.createObserve()
+//        lifecycleScope.launch {
+//            repeatOnLifecycle(Lifecycle.State.CREATED) {
+//                mViewModel.noEdit.collectLatest { noEdit ->
+//                    mBinding.apply {
+//                        imageAdapter.isEditModel(!noEdit)
+//                    }
+//                }
+//            }
+//        }
+//    }
+//
+//    override fun onItemClick(adapter: BaseQuickAdapter<*, *>, view: View, position: Int) {
+//        val imageBean: ImageBean = adapter.getItem(position) as ImageBean
+//        imageBean?.let { it ->
+//            if (it.isAddButton) {
+//                StorageUtils.requestPermission(context as BaseActivity) {
+//                    initPictureSelectorModel()
+//                        .forResult(object : OnResultCallbackListener<LocalMedia?> {
+//                            override fun onResult(result: ArrayList<LocalMedia?>?) {
+//                                result?.let { list ->
+//                                    var resultList = localMediaToImageList(list)
+//                                    imageAdapter.addData(resultList)
+//                                    setImageNum(imageAdapter.getImageSize())
+//                                }
+//                            }
+//
+//                            override fun onCancel() {}
+//                        })
+//                }
+//            } else {
+////                startFullScreenImageActivity(
+////                    it.isFilePath,
+////                    it.imageUrl
+////                )
+//            }
+//        }
+//    }
+//
+//    fun setImageNum(size: Int) {
+//        mBinding.layInspectionReport.tvImageNum.text = getString(
+//            R.string.image_list_num,
+//            size,
+//            maxImageNum
 //        )
-            }
-        }
-    }
-
-    fun setImageNum(size: Int) {
-        mBinding.layInspectionReport.tvImageNum.text = getString(
-            R.string.image_list_num,
-            size,
-            maxImageNum
-        )
-    }
-
-    private fun initPictureSelectorModel(): PictureSelectionModel {
-        return PictureSelector.create(this)
-            .openGallery(SelectMimeType.TYPE_IMAGE)
-            .setSelectionMode(SelectModeConfig.MULTIPLE)
-            .setMaxSelectNum(maxImageNum - imageAdapter.getImageSize())
-            .setCompressEngine(ImageFileCompressEngine())
-            .setImageEngine(GlideEngine.createGlideEngine())
-            .setSandboxFileEngine { context, srcPath, mineType, call ->
-                if (call != null) {
-                    var sandboxPath =
-                        SandboxTransformUtils.copyPathToSandbox(context, srcPath, mineType)
-                    call.onCallback(srcPath, sandboxPath)
-                }
-            }
-    }
-
-
-
-
-    override fun onItemChildClick(adapter: BaseQuickAdapter<*, *>, view: View, position: Int) {
-        adapter.removeAt(position)
-    }
-
-    fun localMediaToImageList(result: ArrayList<LocalMedia?>): MutableList<ImageBean> {
-        var imageList = mutableListOf<ImageBean>()
-        var imageBean: ImageBean
-        result.forEach {
-            it?.let {
-                imageBean = ImageBean(getImagePath(it), true)
-                imageList.add(imageBean)
-            }
-        }
-        return imageList
-    }
-
-    private fun getImagePath(localMedia: LocalMedia): String {
-        if (!localMedia.cutPath.isNullOrEmpty()) {
-            return localMedia.cutPath
-        }
-        if (!localMedia.compressPath.isNullOrEmpty()) {
-            return localMedia.compressPath
-        }
-        if (!localMedia.sandboxPath.isNullOrEmpty()) {
-            return localMedia.sandboxPath
-        }
-        return localMedia.path
-    }
-}
+//    }
+//
+//    private fun initPictureSelectorModel(): PictureSelectionModel {
+//        return PictureSelector.create(this)
+//            .openGallery(SelectMimeType.TYPE_IMAGE)
+//            .setSelectionMode(SelectModeConfig.MULTIPLE)
+//            .setMaxSelectNum(maxImageNum - imageAdapter.getImageSize())
+//            .setCompressEngine(ImageFileCompressEngine())
+//            .setImageEngine(GlideEngine.createGlideEngine())
+//            .setSandboxFileEngine { context, srcPath, mineType, call ->
+//                if (call != null) {
+//                    var sandboxPath =
+//                        SandboxTransformUtils.copyPathToSandbox(context, srcPath, mineType)
+//                    call.onCallback(srcPath, sandboxPath)
+//                }
+//            }
+//    }
+//
+//
+//
+//
+//    override fun onItemChildClick(adapter: BaseQuickAdapter<*, *>, view: View, position: Int) {
+//        adapter.removeAt(position)
+//    }
+//
+//    fun localMediaToImageList(result: ArrayList<LocalMedia?>): MutableList<ImageBean> {
+//        var imageList = mutableListOf<ImageBean>()
+//        var imageBean: ImageBean
+//        result.forEach {
+//            it?.let {
+//                imageBean = ImageBean(getImagePath(it), true)
+//                imageList.add(imageBean)
+//            }
+//        }
+//        return imageList
+//    }
+//
+//    private fun getImagePath(localMedia: LocalMedia): String {
+//        if (!localMedia.cutPath.isNullOrEmpty()) {
+//            return localMedia.cutPath
+//        }
+//        if (!localMedia.compressPath.isNullOrEmpty()) {
+//            return localMedia.compressPath
+//        }
+//        if (!localMedia.sandboxPath.isNullOrEmpty()) {
+//            return localMedia.sandboxPath
+//        }
+//        return localMedia.path
+//    }
+//}

coalMiningApp/app/src/main/java/com/zmkg/coaloperation/utils/Ext.kt

@@ -7,6 +7,8 @@ import android.graphics.Color
 import android.graphics.drawable.GradientDrawable
 import android.util.TypedValue
 import android.view.View
+import android.widget.ImageView
+import com.bumptech.glide.Glide
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
@@ -126,4 +128,8 @@ fun View.useShapeSetBackground(
     this.background = shape
 }
 
+fun ImageView.load(any:Any) {
+    Glide.with(this.context).load(any).into(this)
+}
+
 

coalMiningApp/app/src/main/java/com/zmkg/coaloperation/utils/GalleryUtils.kt

@@ -0,0 +1,41 @@
+package com.zmkg.coaloperation.utils
+
+import android.content.Intent
+import android.content.pm.ActivityInfo
+import com.zhihu.matisse.Matisse
+import com.zhihu.matisse.MimeType
+import com.zhihu.matisse.R
+import com.zhihu.matisse.engine.impl.GlideEngine
+import com.zhihu.matisse.internal.entity.CaptureStrategy
+import com.zmkg.coaloperation.base.BaseActivity
+
+object GalleryUtils {
+
+    fun openGallery(activity: BaseActivity, action:(Intent)-> Unit) {
+        Matisse.from(activity)
+            .choose(MimeType.ofImage(), false) // 只选图片
+            .capture(true)
+            .captureStrategy(
+                CaptureStrategy(
+                    true,
+                    "${activity.packageName}.fileprovider",
+                    "coalImage"
+                )
+            )
+            .countable(true) // 显示选中数量
+            .maxSelectable(9) // 最多选9张
+            .gridExpectedSize(120.dp)
+            .restrictOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT)
+            .thumbnailScale(0.8f)
+            .theme(R.style.Matisse_Dracula)
+            .imageEngine(GlideEngine()) // 必须设置引擎
+            .forResultLaunch { intent ->
+                activity.launchActivityResult(intent) { result ->
+                    result.data?.let {
+                        action(it)
+                    }
+                }
+            }
+    }
+
+}

coalMiningApp/app/src/main/java/com/zmkg/coaloperation/utils/permission/InvisibleFragment.kt

@@ -0,0 +1,80 @@
+package com.zmkg.coaloperation.utils.permission//package com.dheaven.mscapp.SIGFFCNFN.permission
+//
+//import androidx.activity.result.contract.ActivityResultContracts
+//import androidx.fragment.app.Fragment
+//
+//class InvisibleFragment : Fragment() {
+//
+//    private var singlePermissionAction: ((Boolean) -> Unit)? = null
+//    private var multiplePermissionAction: ((MutableMap<String,Boolean>) -> Unit)? = null
+//
+//    private val singlePermissionLauncher = registerForActivityResult(
+//        ActivityResultContracts.RequestPermission()
+//    ) {
+//        singlePermissionAction?.invoke(it)
+//    }
+//    private val multiplePermissionLauncher = registerForActivityResult(
+//        ActivityResultContracts.RequestMultiplePermissions()
+//    ) {
+//        multiplePermissionAction?.invoke(it)
+//    }
+//
+//    private fun requestSinglePermission(permission: String, action: (Boolean) -> Unit) {
+//        singlePermissionAction = action
+//        singlePermissionLauncher.launch(permission)
+//    }
+//    private fun requestMultiplePermission(permission: Array<String>, action: (MutableMap<String,Boolean>) -> Unit) {
+//        multiplePermissionAction = action
+//        multiplePermissionLauncher.launch(permission)
+//    }
+//    fun requestNow(
+//        callback: (granted: Boolean, deniedList: List<String>) -> Unit,
+//          args: Array<String>
+//    ) {
+//        permissionCallback = callback
+////        requestPermissions(args, 1)
+//
+//        if (args.size == 1) {
+//            requestSinglePermission(args[0]) {
+//                val deniedList = mutableListOf<String>()
+//                if (it.not()) {
+//                    deniedList.add(args[0])
+//                }
+//                callback(it, deniedList)
+//            }
+//            return
+//        }
+//        requestMultiplePermission(args){
+//            val deniedList = mutableListOf<String>()
+//            it.entries.forEach { entry ->
+//                entry.apply {
+//                    if (value.not()) {
+//                        deniedList.add(key)
+//                    }
+//                }
+//            }
+//            val granted = deniedList.isEmpty()
+//            callback(granted, deniedList)
+//        }
+//    }
+//
+////    override fun onRequestPermissionsResult(
+////        requestCode: Int,
+////        permissions: Array<String>,
+////        grantResults: IntArray
+////    ) {
+////        super.onRequestPermissionsResult(requestCode, permissions, grantResults)
+////        if (requestCode == 1) {
+////            val deniedList: MutableList<String> = ArrayList()
+////            for (i in grantResults.indices) {
+////                if (grantResults[i] != PackageManager.PERMISSION_GRANTED) {
+////                    deniedList.add(permissions[i])
+////                }
+////            }
+////            val allGranted = deniedList.isEmpty()
+////            permissionCallback?.invoke(allGranted, deniedList)
+////        }
+////    }
+//
+//    private var permissionCallback: ((granted: Boolean, deniedList: List<String>) -> Unit)? = null
+//}

coalMiningApp/app/src/main/java/com/zmkg/coaloperation/utils/permission/PermissionUtils.kt

@@ -0,0 +1,51 @@
+package com.dheaven.mscapp.SIGFFCNFN.permission
+
+import com.zmkg.coaloperation.base.BaseActivity
+
+object PermissionUtils {
+//    private const val TAG = "InvisibleFragment"
+    fun request(
+        activity: BaseActivity,
+        permissions: Array<String>,
+        callback: (granted: Boolean, deniedList: List<String>) -> Unit
+    ) {
+        if (permissions.isEmpty()) {
+            return
+        }
+//        val fragmentManager = activity.supportFragmentManager
+//        val fragment = fragmentManager.findFragmentByTag(TAG)
+//        var invisibleFragment: InvisibleFragment? = null
+//        if (invisibleFragment == null) {
+//            invisibleFragment = InvisibleFragment()
+//            fragmentManager.beginTransaction().add(invisibleFragment, TAG).commitNow()
+//        } else {
+//            invisibleFragment = fragment as InvisibleFragment
+//        }
+//        invisibleFragment.requestNow(callback, permissions)
+        //单权限请求
+        if (permissions.size == 1) {
+            val permission = permissions[0]
+            activity.requestSinglePermissionResult(permission) {
+                val deniedList = mutableListOf<String>()
+                if (it.not()) {
+                    deniedList.add(permission)
+                }
+                callback(it, deniedList)
+            }
+            return
+        }
+        //多权限请求
+        activity.requestMultiplePermissionsResult(permissions) {
+            val deniedList = mutableListOf<String>()
+            it.entries.forEach { entry ->
+                entry.apply {
+                    if (value.not()) {
+                        deniedList.add(key)
+                    }
+                }
+            }
+            val granted = deniedList.isEmpty()
+            callback(granted, deniedList)
+        }
+    }
+}

coalMiningApp/app/src/main/java/com/zmkg/coaloperation/utils/permission/StorageUtils.kt

@@ -0,0 +1,31 @@
+package com.zmkg.coaloperation.utils.permission
+
+import android.Manifest
+import android.content.Intent
+import android.os.Build
+import android.os.Environment
+import android.provider.Settings
+import com.zmkg.coaloperation.base.BaseActivity
+
+object StorageUtils {
+
+    fun requestPermission(activity: BaseActivity, callback: () -> Unit) {
+        activity.requestSinglePermissionResult(Manifest.permission.CAMERA) {
+//            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
+//                if (Environment.isExternalStorageManager()) {
+//                    callback()
+//                } else {
+//                    val intent = Intent(Settings.ACTION_MANAGE_ALL_FILES_ACCESS_PERMISSION)
+////                activity.startActivityForResult(intent, MANAGE_REQUEST_CODE)
+//                    activity.launchActivityResult(intent) {
+//                        callback()
+//                    }
+//                }
+//            } else {
+                activity.requestSinglePermissionResult(Manifest.permission.WRITE_EXTERNAL_STORAGE) {
+                    callback()
+                }
+//            }
+        }
+    }
+}

coalMiningApp/app/src/main/res/layout/activity_add_geo_logging_face.xml

@@ -0,0 +1,73 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <data>
+
+    </data>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:background="@color/black_bg"
+        android:orientation="vertical">
+
+        <include
+            android:id="@+id/toolbar_lay"
+            layout="@layout/lay_title_right_bar" />
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="60dp"
+            android:layout_marginHorizontal="20dp"
+            android:background="@drawable/bg_stroke_gray"
+            android:gravity="center_vertical"
+            android:orientation="horizontal">
+
+            <TextView
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="20dp"
+                android:layout_weight="1"
+                android:text="工作面名称"
+                android:textColor="#6A6F87"
+                android:textSize="16sp" />
+
+            <EditText
+                android:id="@+id/etWorkfaceName"
+                android:layout_width="80dp"
+                android:layout_height="30dp"
+                android:layout_marginEnd="15dp"
+                android:background="@drawable/rectangle_stroke_grey_corner8"
+                android:hint="请输入"
+                android:maxLines="1"
+                android:paddingStart="5dp"
+                android:paddingEnd="5dp"
+                android:textColor="@color/white"
+                android:textColorHint="#757B8C"
+                android:textCursorDrawable="@drawable/cursor_white"
+                android:textSize="14sp" />
+
+        </LinearLayout>
+
+        <Space
+            android:layout_width="match_parent"
+            android:layout_height="0dp"
+            android:layout_weight="1" />
+
+        <com.allen.library.shape.ShapeButton
+            android:id="@+id/btnAddFace"
+            style="?android:attr/buttonBarButtonStyle"
+            android:layout_width="250dp"
+            android:layout_height="50dp"
+            android:layout_gravity="center"
+            android:layout_marginBottom="35dp"
+            android:text="确认新增"
+            android:textColor="@color/white"
+            android:textSize="14sp"
+            app:shapeCornersRadius="36dp"
+            app:shapeSolidColor="#21A69A" />
+
+    </LinearLayout>
+</layout>

coalMiningApp/app/src/main/res/layout/activity_add_geological_point.xml

@@ -37,77 +37,9 @@
             app:shapeCornersRadius="36dp"
             app:shapeSolidColor="#21A69A" />
 
-        <LinearLayout
+        <net.lucode.hackware.magicindicator.MagicIndicator
+            android:id="@+id/magicIndicator"
             android:layout_width="match_parent"
-            android:layout_height="56dp"
-            android:gravity="center_vertical"
-            android:orientation="horizontal">
-
-            <com.allen.library.shape.ShapeTextView
-                android:layout_width="35dp"
-                android:layout_height="35dp"
-                android:layout_marginStart="5dp"
-                android:gravity="center"
-                android:text="1#"
-                android:textColor="#30E0A1"
-                android:textSize="20sp"
-                app:shapeCornersRadius="8dp"
-                app:shapeSolidColor="#1430E0A1" />
-
-            <com.allen.library.shape.ShapeTextView
-                android:layout_width="35dp"
-                android:layout_height="35dp"
-                android:layout_marginStart="5dp"
-                android:gravity="center"
-                android:text="1#"
-                android:textColor="@color/white"
-                android:textSize="20sp"
-                app:shapeCornersRadius="8dp"
-                app:shapeSolidColor="#1430E0A1" />
-
-            <com.allen.library.shape.ShapeTextView
-                android:layout_width="35dp"
-                android:layout_height="35dp"
-                android:layout_marginStart="5dp"
-                android:gravity="center"
-                android:text="1#"
-                android:textColor="@color/white"
-                android:textSize="20sp"
-                app:shapeCornersRadius="8dp"
-                app:shapeSolidColor="#1430E0A1" />
-
-            <com.allen.library.shape.ShapeTextView
-                android:layout_width="35dp"
-                android:layout_height="35dp"
-                android:layout_marginStart="5dp"
-                android:gravity="center"
-                android:text="1#"
-                android:textColor="@color/white"
-                android:textSize="20sp"
-                app:shapeCornersRadius="8dp"
-                app:shapeSolidColor="#1430E0A1" />
-
-            <com.allen.library.shape.ShapeTextView
-                android:layout_width="35dp"
-                android:layout_height="35dp"
-                android:layout_marginStart="5dp"
-                android:gravity="center"
-                android:text="1#"
-                android:textColor="@color/white"
-                android:textSize="20sp"
-                app:shapeCornersRadius="8dp"
-                app:shapeSolidColor="#1430E0A1" />
-
-            <com.allen.library.shape.ShapeTextView
-                android:layout_width="35dp"
-                android:layout_height="35dp"
-                android:layout_marginStart="5dp"
-                android:gravity="center"
-                android:text="1#"
-                android:textColor="@color/white"
-                android:textSize="20sp"
-                app:shapeCornersRadius="8dp"
-                app:shapeSolidColor="#1430E0A1" />
-        </LinearLayout>
+            android:layout_height="56dp"/>
     </LinearLayout>
 </layout>

coalMiningApp/app/src/main/res/layout/activity_geological.xml

@@ -21,6 +21,7 @@
             android:id="@+id/rvGeoLogging"
             android:layout_width="match_parent"
             android:layout_height="match_parent"
+            android:overScrollMode="never"
             tools:listitem="@layout/item_geological_list" />
 
     </LinearLayout>

coalMiningApp/app/src/main/res/layout/activity_geological_point.xml

@@ -38,25 +38,25 @@
             android:paddingBottom="20dp">
 
             <Button
-                android:id="@+id/btnRecord"
+                android:id="@+id/btnStartLogging"
                 style="?android:attr/buttonBarButtonStyle"
                 android:layout_width="0dp"
                 android:layout_height="44dp"
                 android:layout_weight="1"
                 android:background="@drawable/bg_btn_save"
-                android:text="查看记录"
+                android:text="开始编录"
                 android:textColor="@color/white"
                 android:textSize="14sp" />
 
             <Button
-                android:id="@+id/btnSubmit"
+                android:id="@+id/btnCompleteLogging"
                 style="?android:attr/buttonBarButtonStyle"
                 android:layout_width="0dp"
                 android:layout_height="44dp"
                 android:layout_marginStart="8dp"
                 android:layout_weight="1"
                 android:background="@drawable/bg_btn_export"
-                android:text="确认提交"
+                android:text="编录完成"
                 android:textColor="@color/white"
                 android:textSize="14sp" />
         </LinearLayout>

coalMiningApp/app/src/main/res/layout/dialog_common.xml

@@ -0,0 +1,70 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <com.allen.library.shape.ShapeLinearLayout
+        android:layout_width="300dp"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        app:shapeCornersRadius="30dp"
+        app:shapeSolidColor="#17181C"
+        app:shapeStrokeColor="#282C38"
+        app:shapeStrokeWidth="1dp">
+
+        <TextView
+            android:id="@+id/tvDialogTitle"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_horizontal"
+            android:layout_marginTop="50dp"
+            android:textColor="@color/white"
+            android:textSize="20sp"
+            tools:text="保存" />
+
+        <TextView
+            android:id="@+id/tvDialogContent"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_horizontal"
+            android:layout_marginTop="20dp"
+            android:textColor="#6A6F87"
+            android:textSize="14sp"
+            tools:text="是否确认保存输入的消息" />
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="44dp"
+            android:layout_marginBottom="50dp"
+            android:layout_marginTop="30dp">
+
+            <com.allen.library.shape.ShapeButton
+                android:id="@+id/btnCancel"
+                android:layout_width="0dp"
+                android:layout_height="match_parent"
+                android:layout_marginStart="20dp"
+                android:layout_weight="1"
+                android:textSize="14sp"
+                app:shapeCornersRadius="22dp"
+                tools:text="取消"
+                android:gravity="center"
+                android:textColor="@color/white"
+                app:shapeSolidColor="#353846" />
+
+            <com.allen.library.shape.ShapeButton
+                android:id="@+id/btnConfirm"
+                android:layout_width="0dp"
+                android:layout_height="match_parent"
+                android:layout_marginStart="10dp"
+                android:layout_marginEnd="20dp"
+                android:layout_weight="1"
+                android:textSize="14sp"
+                tools:text="确定"
+                android:gravity="center"
+                android:textColor="@color/white"
+                app:shapeCornersRadius="22dp"
+                app:shapeSolidColor="#21A69A" />
+        </LinearLayout>
+
+    </com.allen.library.shape.ShapeLinearLayout>
+</layout>

coalMiningApp/app/src/main/res/layout/fragment_report.xml

@@ -28,14 +28,13 @@
             android:layout_marginBottom="70dp">
 
 
-            <com.allen.library.shape.ShapeLinearLayout
+            <LinearLayout
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:layout_marginHorizontal="10dp"
                 android:layout_marginTop="5dp"
                 android:orientation="vertical"
-                app:shapeCornersRadius="6dp"
-                app:shapeSolidColor="@color/theme_color">
+                android:background="@drawable/bg_stroke_gray">
 
                 <com.zmkg.coaloperation.view.CustomTextSelectView
                     android:id="@+id/type"
@@ -153,7 +152,7 @@
                 </RelativeLayout>
 
 
-            </com.allen.library.shape.ShapeLinearLayout>
+            </LinearLayout>
 
         </androidx.core.widget.NestedScrollView>
 

coalMiningApp/app/src/main/res/layout/fragment_report2.xml

@@ -0,0 +1,49 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <data>
+
+    </data>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:background="@color/black_bg"
+        android:orientation="vertical">
+
+        <include
+            android:id="@+id/toolbar_lay"
+            layout="@layout/lay_title_right_bar"
+            app:goneBack="@{true}"
+            app:title="@{@string/title_report}"
+            app:transparentBg="@{true}" />
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/rvReport"
+            android:layout_width="match_parent"
+            android:layout_height="0dp"
+            android:overScrollMode="never"
+            tools:listitem="@layout/list_item_report"
+            app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
+            tools:itemCount="10"
+            android:background="@drawable/bg_stroke_gray"
+            android:layout_marginHorizontal="20dp"
+            android:layout_weight="1" />
+
+        <com.allen.library.shape.ShapeButton
+            android:id="@+id/btnConfirm"
+            android:layout_width="match_parent"
+            android:layout_height="40dp"
+            android:layout_marginHorizontal="45dp"
+            android:layout_marginVertical="20dp"
+            android:gravity="center"
+            android:text="确认"
+            android:textColor="@color/white"
+            android:textSize="16sp"
+            app:shapeCornersRadius="20dp"
+            app:shapeSolidColor="@color/text_green" />
+
+    </LinearLayout>
+</layout>

coalMiningApp/app/src/main/res/layout/item_geological_list.xml

@@ -7,83 +7,35 @@
 
     </data>
 
-    <LinearLayout
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:orientation="vertical">
-
-        <com.allen.library.shape.ShapeRelativeLayout
+    <com.allen.library.shape.ShapeLinearLayout
         android:layout_width="match_parent"
         android:layout_height="74dp"
         android:layout_marginHorizontal="20dp"
-            android:layout_marginTop="10dp"
         app:shapeCornersRadius="6dp"
+        android:layout_marginVertical="5dp"
+        android:gravity="center_vertical"
         app:shapeSolidColor="#1521A69A"
-            app:shapeStrokeColor="#10514C"
+        app:shapeStrokeColor="#282C38"
         app:shapeStrokeWidth="1dp">
 
         <ImageView
             android:layout_width="30dp"
             android:layout_height="38dp"
-                android:layout_centerVertical="true"
-                android:layout_marginLeft="20dp"
-                android:layout_marginRight="13dp"
+            android:layout_marginStart="20dp"
             android:background="@drawable/ic_geological" />
 
         <TextView
-                android:id="@+id/title"
-                android:layout_width="wrap_content"
+            android:id="@+id/tvFaceName"
+            android:layout_width="0dp"
+            android:layout_weight="1"
+            android:maxLines="1"
+            android:ellipsize="end"
             android:layout_height="wrap_content"
-                android:layout_centerVertical="true"
-                android:layout_marginLeft="60dp"
+            android:layout_marginStart="10dp"
             android:textColor="@color/white"
             android:textSize="14sp"
             tools:text="5-20304回风工作面" />
 
-            <ImageView
-                android:id="@+id/expand"
-                android:layout_width="36dp"
-                android:layout_height="36dp"
-                android:padding="6dp"
-                android:layout_alignParentEnd="true"
-                android:layout_centerVertical="true"
-                android:layout_marginRight="13dp"
-                android:src="@drawable/ic_arrow_right_gray"
-                android:tag="0" />
-
-
-        </com.allen.library.shape.ShapeRelativeLayout>
-
-        <LinearLayout
-            android:id="@+id/record_layout"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:layout_marginTop="5dp"
-            android:orientation="vertical"
-            android:visibility="gone">
-
-            <androidx.recyclerview.widget.RecyclerView
-                android:id="@+id/rv_content"
-                android:layout_width="wrap_content"
-                android:layout_height="200dp"
-                app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
-                tools:itemCount="3"
-                tools:listitem="@layout/item_geological_list_content" />
-
-            <com.allen.library.shape.ShapeTextView
-                android:id="@+id/start_record"
-                android:layout_width="154dp"
-                android:layout_height="44dp"
-                android:layout_gravity="center_horizontal"
-                android:layout_marginTop="20dp"
-                android:gravity="center"
-                android:text="开始记录"
-                android:textColor="@color/white"
-                app:shapeCornersRadius="30dp"
-                app:shapeSolidColor="#21A69A" />
-
-        </LinearLayout>
-
-    </LinearLayout>
+    </com.allen.library.shape.ShapeLinearLayout>
 
 </layout>

coalMiningApp/app/src/main/res/layout/list_item_common_image.xml

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layout  xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <FrameLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+        <ImageView
+            android:id="@+id/ivImage"
+            android:layout_width="70dp"
+            android:layout_height="70dp"
+            android:layout_marginVertical="5dp"
+            android:layout_marginHorizontal="5dp"
+            android:layout_gravity="center"
+            android:scaleType="centerCrop"
+            android:src="@drawable/ic_add_image"/>
+    </FrameLayout>
+</layout>

coalMiningApp/app/src/main/res/layout/list_item_point_base_horizontal.xml

@@ -25,18 +25,22 @@
             android:layout_marginStart="20dp"
             tools:text="瓦斯含量" />
 
-        <TextView
-            android:id="@+id/tvItemValue"
+        <EditText
+            android:id="@+id/etInputValue"
             android:layout_width="wrap_content"
             android:layout_height="50dp"
             android:layout_gravity="end"
             android:layout_marginEnd="15dp"
+            android:minWidth="80dp"
             android:gravity="end|center_vertical"
             android:maxLines="1"
             android:ellipsize="end"
             android:textColor="@color/white"
-            android:textSize="16sp"
-            tools:text="15m/s" />
+            android:hint="请输入"
+            android:background="@color/transparent"
+            android:textCursorDrawable="@drawable/cursor_white"
+            android:textColorHint="#757B8C"
+            android:textSize="16sp" />
 
         <com.google.android.material.divider.MaterialDivider
             android:id="@+id/divider"

coalMiningApp/app/src/main/res/layout/list_item_point_base_vertical.xml

@@ -38,16 +38,19 @@
                 android:layout_gravity="bottom"
                 app:dividerColor="#20222B" />
 
-            <TextView
-                android:id="@+id/tvItemValue"
+            <EditText
+                android:id="@+id/etInputValue"
                 android:layout_width="match_parent"
                 android:layout_height="50dp"
                 android:ellipsize="end"
                 android:gravity="center"
                 android:maxLines="1"
+                android:background="@color/transparent"
+                android:textCursorDrawable="@drawable/cursor_white"
                 android:textColor="@color/white"
-                android:textSize="14sp"
-                tools:text="15m/s" />
+                android:hint="请输入"
+                android:textColorHint="#757B8C"
+                android:textSize="14sp" />
 
         </LinearLayout>
 

coalMiningApp/app/src/main/res/layout/list_item_point_calculate_info.xml

@@ -62,13 +62,14 @@
             <LinearLayout
                 android:layout_width="match_parent"
                 android:layout_height="50dp"
+                android:paddingStart="20dp"
+                android:paddingEnd="15dp"
                 android:background="@drawable/bottom_border"
                 android:orientation="horizontal">
 
                 <LinearLayout
                     android:layout_width="0dp"
                     android:layout_height="50dp"
-                    android:layout_marginStart="20dp"
                     android:layout_weight="1">
 
                     <TextView
@@ -93,14 +94,17 @@
                         android:textColor="@color/white"
                         android:textSize="16sp"
                         tools:text="1024.341" />
-
                 </LinearLayout>
 
+                <com.google.android.material.divider.MaterialDivider
+                    android:layout_width="1dp"
+                    android:layout_height="match_parent"
+                    android:layout_gravity="bottom"
+                    android:layout_marginHorizontal="8dp"
+                    app:dividerColor="#20222B" />
                 <LinearLayout
                     android:layout_width="0dp"
                     android:layout_height="50dp"
-                    android:layout_marginStart="15dp"
-                    android:layout_marginEnd="15dp"
                     android:layout_weight="1">
 
                     <TextView
@@ -133,8 +137,8 @@
             <LinearLayout
                 android:layout_width="match_parent"
                 android:layout_height="50dp"
-                android:layout_marginStart="20dp"
-                android:layout_marginEnd="15dp"
+                android:paddingStart="20dp"
+                android:paddingEnd="15dp"
                 android:background="@drawable/bottom_border"
                 android:orientation="horizontal">
 
@@ -168,10 +172,16 @@
 
                 </LinearLayout>
 
+
+                <com.google.android.material.divider.MaterialDivider
+                    android:layout_width="1dp"
+                    android:layout_height="match_parent"
+                    android:layout_gravity="bottom"
+                    android:layout_marginHorizontal="8dp"
+                    app:dividerColor="#20222B" />
                 <LinearLayout
                     android:layout_width="0dp"
                     android:layout_height="50dp"
-                    android:layout_marginStart="15dp"
                     android:layout_weight="1">
 
                     <TextView

coalMiningApp/app/src/main/res/layout/list_item_point_image.xml

@@ -1,13 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<layout  xmlns:android="http://schemas.android.com/apk/res/android">
-
-    <FrameLayout
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content">
-        <ImageView
-            android:id="@+id/ivPointImage"
-            android:layout_width="60dp"
-            android:layout_height="60dp"
-            android:src="@drawable/ic_add_image"/>
-    </FrameLayout>
-</layout>

coalMiningApp/app/src/main/res/layout/list_item_point_upload_image.xml

@@ -24,10 +24,12 @@
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:overScrollMode="never"
+            android:background="@drawable/bg_stroke_gray"
             tools:itemCount="4"
             app:spanCount="4"
+            android:paddingVertical="5dp"
             android:orientation="vertical"
-            tools:listitem="@layout/list_item_point_image"
+            tools:listitem="@layout/list_item_common_image"
             app:layoutManager="androidx.recyclerview.widget.GridLayoutManager"/>
 
     </LinearLayout>

coalMiningApp/app/src/main/res/layout/list_item_report.xml

@@ -0,0 +1,77 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        tools:background="@color/black_bg">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:gravity="center_vertical"
+            android:orientation="horizontal">
+
+            <TextView
+                android:id="@+id/tvItemName"
+                android:layout_width="100dp"
+                android:layout_height="50dp"
+                android:layout_gravity="center_vertical"
+                android:layout_marginStart="20dp"
+                android:ellipsize="end"
+                android:gravity="center_vertical"
+                android:maxLines="1"
+                android:textColor="#6A6F87"
+                android:textSize="16sp"
+                tools:text="功能名称" />
+
+            <EditText
+                android:id="@+id/etInputValue"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="20dp"
+                android:background="@color/transparent"
+                android:gravity="center_vertical"
+                android:hint="请输入"
+                android:textColor="@color/white"
+                android:textColorHint="#757B8C"
+                android:textCursorDrawable="@drawable/cursor_white"
+                android:textSize="14sp"
+                android:visibility="gone" />
+
+            <TextView
+                android:id="@+id/tvItemValue"
+                android:layout_width="match_parent"
+                android:layout_height="50dp"
+                android:layout_marginEnd="20dp"
+                android:background="@color/transparent"
+                android:gravity="center_vertical"
+                android:hint="请选择"
+                android:drawablePadding="20dp"
+                android:textColor="@color/white"
+                android:textColorHint="#757B8C"
+                android:textSize="14sp"
+                android:visibility="gone"
+                app:drawableEndCompat="@drawable/ic_arrow_down_gray" />
+
+            <androidx.recyclerview.widget.RecyclerView
+                android:id="@+id/rvReportImage"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:visibility="gone"
+                app:layoutManager="androidx.recyclerview.widget.GridLayoutManager"
+                app:spanCount="3"
+                tools:itemCount="6"
+                tools:listitem="@layout/list_item_common_image" />
+        </LinearLayout>
+
+        <com.google.android.material.divider.MaterialDivider
+            android:id="@+id/divider"
+            android:layout_width="match_parent"
+            android:layout_height="1dp"
+            app:dividerColor="#282C38" />
+    </LinearLayout>
+</layout>

coalMiningApp/app/src/main/res/values/style.xml

@@ -38,5 +38,9 @@
         <!-- 遮罩层 -->
         <item name="android:backgroundDimAmount">0.5</item>
     </style>
-
+<!--    <style name="Theme_dialog" parent="@android:style/Theme.Dialog">-->
+<!--        <item name="android:windowBackground">@android:color/transparent</item>-->
+<!--        <item name="android:windowNoTitle">true</item>-->
+<!--        <item name="android:windowIsFloating">true</item>-->
+<!--    </style>-->
 </resources>

coalMiningApp/app/src/main/res/xml/file_paths.xml

@@ -1,4 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <paths xmlns:android="http://schemas.android.com/apk/res/android">
     <external-path name="external_files" path="."/>
+    <files-path name="my_files" path="." />
+    <cache-path name="my_cache" path="." />
+<!--    <external-path name="my_external" path="." />-->
+    <external-files-path name="external_files" path="." />
+    <external-cache-path name="external_cache" path="." />
+    <external-path name="external_storage" path="." />
 </paths>

coalMiningApp/matisse/build.gradle

@@ -0,0 +1,84 @@
+/*
+ * Copyright 2017 Zhihu Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+apply plugin: 'com.android.library'
+//apply plugin: 'com.novoda.bintray-release'/
+//apply plugin: 'checkstyle'
+
+android {
+//    compileSdkVersion 29
+//    buildToolsVersion '29.0.2'
+    compileSdk rootProject.ext.compileSdkVersion
+
+    defaultConfig {
+//        minSdkVersion 14
+//        targetSdkVersion 29
+        minSdk rootProject.ext.minSdkVersion
+        targetSdk rootProject.ext.targetSdkVersion
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+    lintOptions {
+        abortOnError false
+    }
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+
+    implementation "androidx.appcompat:appcompat:1.1.0"
+    implementation "androidx.annotation:annotation:1.1.0"
+    implementation "androidx.recyclerview:recyclerview:1.0.0"
+    implementation 'it.sephiroth.android.library.imagezoom:library:1.0.4'
+
+    compileOnly 'com.github.bumptech.glide:glide:4.9.0'
+    compileOnly 'com.squareup.picasso:picasso:2.5.2'
+}
+
+// jcenter configuration for novoda's bintray-release
+// $ ./gradlew clean build bintrayUpload -PbintrayUser=BINTRAY_USERNAME -PbintrayKey=BINTRAY_KEY -PdryRun=false
+//publish {
+//    userOrg = 'zhihu'
+//    groupId = 'com.zhihu.android'
+//    artifactId = 'matisse'
+//    publishVersion = '0.5.3-beta3'
+//    desc = 'A well-designed local image selector for Android'
+//    website = 'https://www.zhihu.com/'
+//}
+
+//task javadoc(type: Javadoc) {
+//    options.encoding = "utf-8"
+//}
+
+//checkstyle {
+//    toolVersion = '7.6.1'
+//}
+
+//tasks.withType(Javadoc) {
+//    options.addStringOption('Xdoclint:none', '-quiet')
+//    options.addStringOption('encoding', 'UTF-8')
+//}
+
+//task checkstyle(type:Checkstyle) {
+//    description 'Runs Checkstyle inspection against matisse sourcesets.'
+//    group = 'Code Quality'
+//    configFile rootProject.file('checkstyle.xml')
+//    ignoreFailures = false
+//    showViolations true
+//    classpath = files()
+//    source 'src/main/java'
+//}

coalMiningApp/matisse/proguard-rules.pro

@@ -0,0 +1,19 @@
+# Add project specific ProGuard rules here.
+# By default, the flags in this file are appended to flags specified
+# in /Library/android-sdk-macosx/tools/proguard/proguard-android.txt
+# You can edit the include path and order by changing the ProGuard
+# include property in project.properties.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# Add any project specific keep options here:
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+-dontwarn com.squareup.okhttp.**

coalMiningApp/matisse/src/main/AndroidManifest.xml

@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2017 Zhihu Inc.
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+  -->
+<manifest
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.zhihu.matisse">
+
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
+
+    <application>
+        <activity android:name="com.zhihu.matisse.ui.MatisseActivity"/>
+        <activity android:name="com.zhihu.matisse.internal.ui.AlbumPreviewActivity"/>
+        <activity android:name="com.zhihu.matisse.internal.ui.SelectedPreviewActivity"/>
+    </application>
+</manifest>

coalMiningApp/matisse/src/main/java/com/zhihu/matisse/Matisse.java

@@ -0,0 +1,151 @@
+/*
+ * Copyright 2017 Zhihu Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.zhihu.matisse;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.net.Uri;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+
+import com.zhihu.matisse.ui.MatisseActivity;
+
+import java.lang.ref.WeakReference;
+import java.util.List;
+import java.util.Set;
+
+/**
+ * Entry for Matisse's media selection.
+ */
+public final class Matisse {
+
+    private final WeakReference<Activity> mContext;
+    private final WeakReference<Fragment> mFragment;
+
+    private Matisse(Activity activity) {
+        this(activity, null);
+    }
+
+    private Matisse(Fragment fragment) {
+        this(fragment.getActivity(), fragment);
+    }
+
+    private Matisse(Activity activity, Fragment fragment) {
+        mContext = new WeakReference<>(activity);
+        mFragment = new WeakReference<>(fragment);
+    }
+
+    /**
+     * Start Matisse from an Activity.
+     * <p>
+     * This Activity's {@link Activity#onActivityResult(int, int, Intent)} will be called when user
+     * finishes selecting.
+     *
+     * @param activity Activity instance.
+     * @return Matisse instance.
+     */
+    public static Matisse from(Activity activity) {
+        return new Matisse(activity);
+    }
+
+    /**
+     * Start Matisse from a Fragment.
+     * <p>
+     * This Fragment's {@link Fragment#onActivityResult(int, int, Intent)} will be called when user
+     * finishes selecting.
+     *
+     * @param fragment Fragment instance.
+     * @return Matisse instance.
+     */
+    public static Matisse from(Fragment fragment) {
+        return new Matisse(fragment);
+    }
+
+    /**
+     * Obtain user selected media' {@link Uri} list in the starting Activity or Fragment.
+     *
+     * @param data Intent passed by {@link Activity#onActivityResult(int, int, Intent)} or
+     *             {@link Fragment#onActivityResult(int, int, Intent)}.
+     * @return User selected media' {@link Uri} list.
+     */
+    public static List<Uri> obtainResult(Intent data) {
+        return data.getParcelableArrayListExtra(MatisseActivity.EXTRA_RESULT_SELECTION);
+    }
+
+    /**
+     * Obtain user selected media path list in the starting Activity or Fragment.
+     *
+     * @param data Intent passed by {@link Activity#onActivityResult(int, int, Intent)} or
+     *             {@link Fragment#onActivityResult(int, int, Intent)}.
+     * @return User selected media path list.
+     */
+    public static List<String> obtainPathResult(Intent data) {
+        return data.getStringArrayListExtra(MatisseActivity.EXTRA_RESULT_SELECTION_PATH);
+    }
+
+    /**
+     * Obtain state whether user decide to use selected media in original
+     *
+     * @param data Intent passed by {@link Activity#onActivityResult(int, int, Intent)} or
+     *             {@link Fragment#onActivityResult(int, int, Intent)}.
+     * @return Whether use original photo
+     */
+    public static boolean obtainOriginalState(Intent data) {
+        return data.getBooleanExtra(MatisseActivity.EXTRA_RESULT_ORIGINAL_ENABLE, false);
+    }
+
+    /**
+     * MIME types the selection constrains on.
+     * <p>
+     * Types not included in the set will still be shown in the grid but can't be chosen.
+     *
+     * @param mimeTypes MIME types set user can choose from.
+     * @return {@link SelectionCreator} to build select specifications.
+     * @see MimeType
+     * @see SelectionCreator
+     */
+    public SelectionCreator choose(Set<MimeType> mimeTypes) {
+        return this.choose(mimeTypes, true);
+    }
+
+    /**
+     * MIME types the selection constrains on.
+     * <p>
+     * Types not included in the set will still be shown in the grid but can't be chosen.
+     *
+     * @param mimeTypes          MIME types set user can choose from.
+     * @param mediaTypeExclusive Whether can choose images and videos at the same time during one single choosing
+     *                           process. true corresponds to not being able to choose images and videos at the same
+     *                           time, and false corresponds to being able to do this.
+     * @return {@link SelectionCreator} to build select specifications.
+     * @see MimeType
+     * @see SelectionCreator
+     */
+    public SelectionCreator choose(Set<MimeType> mimeTypes, boolean mediaTypeExclusive) {
+        return new SelectionCreator(this, mimeTypes, mediaTypeExclusive);
+    }
+
+    @Nullable
+    Activity getActivity() {
+        return mContext.get();
+    }
+
+    @Nullable
+    Fragment getFragment() {
+        return mFragment != null ? mFragment.get() : null;
+    }
+
+}

coalMiningApp/matisse/src/main/java/com/zhihu/matisse/MimeType.java

@@ -0,0 +1,178 @@
+/*
+ * Copyright (C) 2014 nohana, Inc.
+ * Copyright 2017 Zhihu Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.zhihu.matisse;
+
+import android.content.ContentResolver;
+import android.net.Uri;
+import android.text.TextUtils;
+
+import androidx.collection.ArraySet;
+
+import android.webkit.MimeTypeMap;
+
+import com.zhihu.matisse.internal.utils.PhotoMetadataUtils;
+
+import java.util.Arrays;
+import java.util.EnumSet;
+import java.util.Locale;
+import java.util.Set;
+
+/**
+ * MIME Type enumeration to restrict selectable media on the selection activity. Matisse only supports images and
+ * videos.
+ * <p>
+ * Good example of mime types Android supports:
+ * https://android.googlesource.com/platform/frameworks/base/+/refs/heads/master/media/java/android/media/MediaFile.java
+ */
+@SuppressWarnings("unused")
+public enum MimeType {
+
+    // ============== images ==============
+    JPEG("image/jpeg", arraySetOf(
+            "jpg",
+            "jpeg"
+    )),
+    PNG("image/png", arraySetOf(
+            "png"
+    )),
+    GIF("image/gif", arraySetOf(
+            "gif"
+    )),
+    BMP("image/x-ms-bmp", arraySetOf(
+            "bmp"
+    )),
+    WEBP("image/webp", arraySetOf(
+            "webp"
+    )),
+
+    // ============== videos ==============
+    MPEG("video/mpeg", arraySetOf(
+            "mpeg",
+            "mpg"
+    )),
+    MP4("video/mp4", arraySetOf(
+            "mp4",
+            "m4v"
+    )),
+    QUICKTIME("video/quicktime", arraySetOf(
+            "mov"
+    )),
+    THREEGPP("video/3gpp", arraySetOf(
+            "3gp",
+            "3gpp"
+    )),
+    THREEGPP2("video/3gpp2", arraySetOf(
+            "3g2",
+            "3gpp2"
+    )),
+    MKV("video/x-matroska", arraySetOf(
+            "mkv"
+    )),
+    WEBM("video/webm", arraySetOf(
+            "webm"
+    )),
+    TS("video/mp2ts", arraySetOf(
+            "ts"
+    )),
+    AVI("video/avi", arraySetOf(
+            "avi"
+    ));
+
+    private final String mMimeTypeName;
+    private final Set<String> mExtensions;
+
+    MimeType(String mimeTypeName, Set<String> extensions) {
+        mMimeTypeName = mimeTypeName;
+        mExtensions = extensions;
+    }
+
+    public static Set<MimeType> ofAll() {
+        return EnumSet.allOf(MimeType.class);
+    }
+
+    public static Set<MimeType> of(MimeType type, MimeType... rest) {
+        return EnumSet.of(type, rest);
+    }
+
+    public static Set<MimeType> ofImage() {
+        return EnumSet.of(JPEG, PNG, GIF, BMP, WEBP);
+    }
+
+    public static Set<MimeType> ofImage(boolean onlyGif) {
+        return EnumSet.of(GIF);
+    }
+
+    public static Set<MimeType> ofGif() {
+        return ofImage(true);
+    }
+
+    public static Set<MimeType> ofVideo() {
+        return EnumSet.of(MPEG, MP4, QUICKTIME, THREEGPP, THREEGPP2, MKV, WEBM, TS, AVI);
+    }
+
+    public static boolean isImage(String mimeType) {
+        if (mimeType == null) return false;
+        return mimeType.startsWith("image");
+    }
+
+    public static boolean isVideo(String mimeType) {
+        if (mimeType == null) return false;
+        return mimeType.startsWith("video");
+    }
+
+    public static boolean isGif(String mimeType) {
+        if (mimeType == null) return false;
+        return mimeType.equals(MimeType.GIF.toString());
+    }
+
+    private static Set<String> arraySetOf(String... suffixes) {
+        return new ArraySet<>(Arrays.asList(suffixes));
+    }
+
+    @Override
+    public String toString() {
+        return mMimeTypeName;
+    }
+
+    public boolean checkType(ContentResolver resolver, Uri uri) {
+        MimeTypeMap map = MimeTypeMap.getSingleton();
+        if (uri == null) {
+            return false;
+        }
+        String type = map.getExtensionFromMimeType(resolver.getType(uri));
+        String path = null;
+        // lazy load the path and prevent resolve for multiple times
+        boolean pathParsed = false;
+        for (String extension : mExtensions) {
+            if (extension.equals(type)) {
+                return true;
+            }
+            if (!pathParsed) {
+                // we only resolve the path for one time
+                path = PhotoMetadataUtils.getPath(resolver, uri);
+                if (!TextUtils.isEmpty(path)) {
+                    path = path.toLowerCase(Locale.US);
+                }
+                pathParsed = true;
+            }
+            if (path != null && path.endsWith(extension)) {
+                return true;
+            }
+        }
+        return false;
+    }
+}

coalMiningApp/matisse/src/main/java/com/zhihu/matisse/SelectionCreator.java

@@ -0,0 +1,383 @@
+/*
+ * Copyright (C) 2014 nohana, Inc.
+ * Copyright 2017 Zhihu Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.zhihu.matisse;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.os.Build;
+import androidx.annotation.IntDef;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.annotation.RequiresApi;
+import androidx.annotation.StyleRes;
+import androidx.fragment.app.Fragment;
+
+import com.zhihu.matisse.engine.ImageEngine;
+import com.zhihu.matisse.filter.Filter;
+import com.zhihu.matisse.internal.entity.CaptureStrategy;
+import com.zhihu.matisse.internal.entity.SelectionSpec;
+import com.zhihu.matisse.listener.OnCheckedListener;
+import com.zhihu.matisse.listener.OnSelectedListener;
+import com.zhihu.matisse.ui.MatisseActivity;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.util.ArrayList;
+import java.util.Set;
+import java.util.function.Consumer;
+
+import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_BEHIND;
+import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR;
+import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_FULL_USER;
+import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE;
+import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_LOCKED;
+import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_NOSENSOR;
+import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_PORTRAIT;
+import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE;
+import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT;
+import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_SENSOR;
+import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE;
+import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT;
+import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
+import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_USER;
+import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE;
+import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT;
+
+/**
+ * Fluent API for building media select specification.
+ */
+@SuppressWarnings("unused")
+public final class SelectionCreator {
+    private final Matisse mMatisse;
+    private final SelectionSpec mSelectionSpec;
+
+    @RequiresApi(api = Build.VERSION_CODES.JELLY_BEAN_MR2)
+    @IntDef({
+            SCREEN_ORIENTATION_UNSPECIFIED,
+            SCREEN_ORIENTATION_LANDSCAPE,
+            SCREEN_ORIENTATION_PORTRAIT,
+            SCREEN_ORIENTATION_USER,
+            SCREEN_ORIENTATION_BEHIND,
+            SCREEN_ORIENTATION_SENSOR,
+            SCREEN_ORIENTATION_NOSENSOR,
+            SCREEN_ORIENTATION_SENSOR_LANDSCAPE,
+            SCREEN_ORIENTATION_SENSOR_PORTRAIT,
+            SCREEN_ORIENTATION_REVERSE_LANDSCAPE,
+            SCREEN_ORIENTATION_REVERSE_PORTRAIT,
+            SCREEN_ORIENTATION_FULL_SENSOR,
+            SCREEN_ORIENTATION_USER_LANDSCAPE,
+            SCREEN_ORIENTATION_USER_PORTRAIT,
+            SCREEN_ORIENTATION_FULL_USER,
+            SCREEN_ORIENTATION_LOCKED
+    })
+    @Retention(RetentionPolicy.SOURCE)
+    @interface ScreenOrientation {
+    }
+
+    /**
+     * Constructs a new specification builder on the context.
+     *
+     * @param matisse   a requester context wrapper.
+     * @param mimeTypes MIME type set to select.
+     */
+    SelectionCreator(Matisse matisse, @NonNull Set<MimeType> mimeTypes, boolean mediaTypeExclusive) {
+        mMatisse = matisse;
+        mSelectionSpec = SelectionSpec.getCleanInstance();
+        mSelectionSpec.mimeTypeSet = mimeTypes;
+        mSelectionSpec.mediaTypeExclusive = mediaTypeExclusive;
+        mSelectionSpec.orientation = SCREEN_ORIENTATION_UNSPECIFIED;
+    }
+
+    /**
+     * Whether to show only one media type if choosing medias are only images or videos.
+     *
+     * @param showSingleMediaType whether to show only one media type, either images or videos.
+     * @return {@link SelectionCreator} for fluent API.
+     * @see SelectionSpec#onlyShowImages()
+     * @see SelectionSpec#onlyShowVideos()
+     */
+    public SelectionCreator showSingleMediaType(boolean showSingleMediaType) {
+        mSelectionSpec.showSingleMediaType = showSingleMediaType;
+        return this;
+    }
+
+    /**
+     * Theme for media selecting Activity.
+     * <p>
+     * There are two built-in themes:
+     * 1. com.zhihu.matisse.R.style.Matisse_Zhihu;
+     * 2. com.zhihu.matisse.R.style.Matisse_Dracula
+     * you can define a custom theme derived from the above ones or other themes.
+     *
+     * @param themeId theme resource id. Default value is com.zhihu.matisse.R.style.Matisse_Zhihu.
+     * @return {@link SelectionCreator} for fluent API.
+     */
+    public SelectionCreator theme(@StyleRes int themeId) {
+        mSelectionSpec.themeId = themeId;
+        return this;
+    }
+
+    /**
+     * Show a auto-increased number or a check mark when user select media.
+     *
+     * @param countable true for a auto-increased number from 1, false for a check mark. Default
+     *                  value is false.
+     * @return {@link SelectionCreator} for fluent API.
+     */
+    public SelectionCreator countable(boolean countable) {
+        mSelectionSpec.countable = countable;
+        return this;
+    }
+
+    /**
+     * Maximum selectable count.
+     *
+     * @param maxSelectable Maximum selectable count. Default value is 1.
+     * @return {@link SelectionCreator} for fluent API.
+     */
+    public SelectionCreator maxSelectable(int maxSelectable) {
+        if (maxSelectable < 1)
+            throw new IllegalArgumentException("maxSelectable must be greater than or equal to one");
+        if (mSelectionSpec.maxImageSelectable > 0 || mSelectionSpec.maxVideoSelectable > 0)
+            throw new IllegalStateException("already set maxImageSelectable and maxVideoSelectable");
+        mSelectionSpec.maxSelectable = maxSelectable;
+        return this;
+    }
+
+    /**
+     * Only useful when {@link SelectionSpec#mediaTypeExclusive} set true and you want to set different maximum
+     * selectable files for image and video media types.
+     *
+     * @param maxImageSelectable Maximum selectable count for image.
+     * @param maxVideoSelectable Maximum selectable count for video.
+     * @return  {@link SelectionCreator} for fluent API.
+     */
+    public SelectionCreator maxSelectablePerMediaType(int maxImageSelectable, int maxVideoSelectable) {
+        if (maxImageSelectable < 1 || maxVideoSelectable < 1)
+            throw new IllegalArgumentException(("max selectable must be greater than or equal to one"));
+        mSelectionSpec.maxSelectable = -1;
+        mSelectionSpec.maxImageSelectable = maxImageSelectable;
+        mSelectionSpec.maxVideoSelectable = maxVideoSelectable;
+        return this;
+    }
+
+    /**
+     * Add filter to filter each selecting item.
+     *
+     * @param filter {@link Filter}
+     * @return {@link SelectionCreator} for fluent API.
+     */
+    public SelectionCreator addFilter(@NonNull Filter filter) {
+        if (mSelectionSpec.filters == null) {
+            mSelectionSpec.filters = new ArrayList<>();
+        }
+        if (filter == null) throw new IllegalArgumentException("filter cannot be null");
+        mSelectionSpec.filters.add(filter);
+        return this;
+    }
+
+    /**
+     * Determines whether the photo capturing is enabled or not on the media grid view.
+     * <p>
+     * If this value is set true, photo capturing entry will appear only on All Media's page.
+     *
+     * @param enable Whether to enable capturing or not. Default value is false;
+     * @return {@link SelectionCreator} for fluent API.
+     */
+    public SelectionCreator capture(boolean enable) {
+        mSelectionSpec.capture = enable;
+        return this;
+    }
+
+    /**
+     * Show a original photo check options.Let users decide whether use original photo after select
+     *
+     * @param enable Whether to enable original photo or not
+     * @return {@link SelectionCreator} for fluent API.
+     */
+    public SelectionCreator originalEnable(boolean enable) {
+        mSelectionSpec.originalable = enable;
+        return this;
+    }
+
+
+    /**
+     * Determines Whether to hide top and bottom toolbar in PreView mode ,when user tap the picture
+     * @param enable
+     * @return {@link SelectionCreator} for fluent API.
+     */
+    public SelectionCreator autoHideToolbarOnSingleTap(boolean enable) {
+        mSelectionSpec.autoHideToobar = enable;
+        return this;
+    }
+
+    /**
+     * Maximum original size,the unit is MB. Only useful when {link@originalEnable} set true
+     *
+     * @param size Maximum original size. Default value is Integer.MAX_VALUE
+     * @return {@link SelectionCreator} for fluent API.
+     */
+    public SelectionCreator maxOriginalSize(int size) {
+        mSelectionSpec.originalMaxSize = size;
+        return this;
+    }
+
+    /**
+     * Capture strategy provided for the location to save photos including internal and external
+     * storage and also a authority for {@link androidx.core.content.FileProvider}.
+     *
+     * @param captureStrategy {@link CaptureStrategy}, needed only when capturing is enabled.
+     * @return {@link SelectionCreator} for fluent API.
+     */
+    public SelectionCreator captureStrategy(CaptureStrategy captureStrategy) {
+        mSelectionSpec.captureStrategy = captureStrategy;
+        return this;
+    }
+
+    /**
+     * Set the desired orientation of this activity.
+     *
+     * @param orientation An orientation constant as used in {@link ScreenOrientation}.
+     *                    Default value is {@link android.content.pm.ActivityInfo#SCREEN_ORIENTATION_PORTRAIT}.
+     * @return {@link SelectionCreator} for fluent API.
+     * @see Activity#setRequestedOrientation(int)
+     */
+    public SelectionCreator restrictOrientation(@ScreenOrientation int orientation) {
+        mSelectionSpec.orientation = orientation;
+        return this;
+    }
+
+    /**
+     * Set a fixed span count for the media grid. Same for different screen orientations.
+     * <p>
+     * This will be ignored when {@link #gridExpectedSize(int)} is set.
+     *
+     * @param spanCount Requested span count.
+     * @return {@link SelectionCreator} for fluent API.
+     */
+    public SelectionCreator spanCount(int spanCount) {
+        if (spanCount < 1) throw new IllegalArgumentException("spanCount cannot be less than 1");
+        mSelectionSpec.spanCount = spanCount;
+        return this;
+    }
+
+    /**
+     * Set expected size for media grid to adapt to different screen sizes. This won't necessarily
+     * be applied cause the media grid should fill the view container. The measured media grid's
+     * size will be as close to this value as possible.
+     *
+     * @param size Expected media grid size in pixel.
+     * @return {@link SelectionCreator} for fluent API.
+     */
+    public SelectionCreator gridExpectedSize(int size) {
+        mSelectionSpec.gridExpectedSize = size;
+        return this;
+    }
+
+    /**
+     * Photo thumbnail's scale compared to the View's size. It should be a float value in (0.0,
+     * 1.0].
+     *
+     * @param scale Thumbnail's scale in (0.0, 1.0]. Default value is 0.5.
+     * @return {@link SelectionCreator} for fluent API.
+     */
+    public SelectionCreator thumbnailScale(float scale) {
+        if (scale <= 0f || scale > 1f)
+            throw new IllegalArgumentException("Thumbnail scale must be between (0.0, 1.0]");
+        mSelectionSpec.thumbnailScale = scale;
+        return this;
+    }
+
+    /**
+     * Provide an image engine.
+     * <p>
+     * There are two built-in image engines:
+     * 1. {@link com.zhihu.matisse.engine.impl.GlideEngine}
+     * 2. {@link com.zhihu.matisse.engine.impl.PicassoEngine}
+     * And you can implement your own image engine.
+     *
+     * @param imageEngine {@link ImageEngine}
+     * @return {@link SelectionCreator} for fluent API.
+     */
+    public SelectionCreator imageEngine(ImageEngine imageEngine) {
+        mSelectionSpec.imageEngine = imageEngine;
+        return this;
+    }
+
+    /**
+     * Set listener for callback immediately when user select or unselect something.
+     * <p>
+     * It's a redundant API with {@link Matisse#obtainResult(Intent)},
+     * we only suggest you to use this API when you need to do something immediately.
+     *
+     * @param listener {@link OnSelectedListener}
+     * @return {@link SelectionCreator} for fluent API.
+     */
+    @NonNull
+    public SelectionCreator setOnSelectedListener(@Nullable OnSelectedListener listener) {
+        mSelectionSpec.onSelectedListener = listener;
+        return this;
+    }
+
+    /**
+     * Set listener for callback immediately when user check or uncheck original.
+     *
+     * @param listener {@link OnSelectedListener}
+     * @return {@link SelectionCreator} for fluent API.
+     */
+    public SelectionCreator setOnCheckedListener(@Nullable OnCheckedListener listener) {
+        mSelectionSpec.onCheckedListener = listener;
+        return this;
+    }
+
+    /**
+     * Start to select media and wait for result.
+     *
+     * @param requestCode Identity of the request Activity or Fragment.
+     */
+    public void forResult(int requestCode) {
+        Activity activity = mMatisse.getActivity();
+        if (activity == null) {
+            return;
+        }
+
+        Intent intent = new Intent(activity, MatisseActivity.class);
+
+        Fragment fragment = mMatisse.getFragment();
+        if (fragment != null) {
+            fragment.startActivityForResult(intent, requestCode);
+        } else {
+            activity.startActivityForResult(intent, requestCode);
+        }
+    }
+
+    public SelectionCreator showPreview(boolean showPreview) {
+        mSelectionSpec.showPreview = showPreview;
+        return this;
+    }
+
+    public void forResultLaunch(Consumer<Intent> consumer) {
+        Activity activity = mMatisse.getActivity();
+        if (activity == null) {
+            return;
+        }
+        Intent intent = new Intent(activity, MatisseActivity.class);
+        if (consumer!=null) {
+            consumer.accept(intent);
+        }
+    }
+}

coalMiningApp/matisse/src/main/java/com/zhihu/matisse/engine/ImageEngine.java

@@ -0,0 +1,82 @@
+/*
+ * Copyright 2017 Zhihu Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.zhihu.matisse.engine;
+
+import android.content.Context;
+import android.graphics.drawable.Drawable;
+import android.net.Uri;
+import android.widget.ImageView;
+
+/**
+ * Image loader interface. There are predefined {@link com.zhihu.matisse.engine.impl.GlideEngine}
+ * and {@link com.zhihu.matisse.engine.impl.PicassoEngine}.
+ */
+@SuppressWarnings("unused")
+public interface ImageEngine {
+
+    /**
+     * Load thumbnail of a static image resource.
+     *
+     * @param context     Context
+     * @param resize      Desired size of the origin image
+     * @param placeholder Placeholder drawable when image is not loaded yet
+     * @param imageView   ImageView widget
+     * @param uri         Uri of the loaded image
+     */
+    void loadThumbnail(Context context, int resize, Drawable placeholder, ImageView imageView, Uri uri);
+
+    /**
+     * Load thumbnail of a gif image resource. You don't have to load an animated gif when it's only
+     * a thumbnail tile.
+     *
+     * @param context     Context
+     * @param resize      Desired size of the origin image
+     * @param placeholder Placeholder drawable when image is not loaded yet
+     * @param imageView   ImageView widget
+     * @param uri         Uri of the loaded image
+     */
+    void loadGifThumbnail(Context context, int resize, Drawable placeholder, ImageView imageView, Uri uri);
+
+    /**
+     * Load a static image resource.
+     *
+     * @param context   Context
+     * @param resizeX   Desired x-size of the origin image
+     * @param resizeY   Desired y-size of the origin image
+     * @param imageView ImageView widget
+     * @param uri       Uri of the loaded image
+     */
+    void loadImage(Context context, int resizeX, int resizeY, ImageView imageView, Uri uri);
+
+    /**
+     * Load a gif image resource.
+     *
+     * @param context   Context
+     * @param resizeX   Desired x-size of the origin image
+     * @param resizeY   Desired y-size of the origin image
+     * @param imageView ImageView widget
+     * @param uri       Uri of the loaded image
+     */
+    void loadGifImage(Context context, int resizeX, int resizeY, ImageView imageView, Uri uri);
+
+    /**
+     * Whether this implementation supports animated gif.
+     * Just knowledge of it, convenient for users.
+     *
+     * @return true support animated gif, false do not support animated gif.
+     */
+    boolean supportAnimatedGif();
+}

coalMiningApp/matisse/src/main/java/com/zhihu/matisse/engine/impl/GlideEngine.java

@@ -0,0 +1,87 @@
+/*
+ * Copyright 2017 Zhihu Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.zhihu.matisse.engine.impl;
+
+import android.content.Context;
+import android.graphics.drawable.Drawable;
+import android.net.Uri;
+import android.widget.ImageView;
+
+import com.bumptech.glide.Glide;
+import com.bumptech.glide.Priority;
+import com.bumptech.glide.request.RequestOptions;
+import com.zhihu.matisse.engine.ImageEngine;
+
+/**
+ * {@link ImageEngine} implementation using Glide.
+ */
+
+public class GlideEngine implements ImageEngine {
+
+    @Override
+    public void loadThumbnail(Context context, int resize, Drawable placeholder, ImageView imageView, Uri uri) {
+        Glide.with(context)
+                .asBitmap() // some .jpeg files are actually gif
+                .load(uri)
+                .apply(new RequestOptions()
+                        .override(resize, resize)
+                        .placeholder(placeholder)
+                        .centerCrop())
+                .into(imageView);
+    }
+
+    @Override
+    public void loadGifThumbnail(Context context, int resize, Drawable placeholder, ImageView imageView,
+                                 Uri uri) {
+        Glide.with(context)
+                .asBitmap() // some .jpeg files are actually gif
+                .load(uri)
+                .apply(new RequestOptions()
+                        .override(resize, resize)
+                        .placeholder(placeholder)
+                        .centerCrop())
+                .into(imageView);
+    }
+
+    @Override
+    public void loadImage(Context context, int resizeX, int resizeY, ImageView imageView, Uri uri) {
+        Glide.with(context)
+                .load(uri)
+                .apply(new RequestOptions()
+                        .override(resizeX, resizeY)
+                        .priority(Priority.HIGH)
+                        .fitCenter())
+                .into(imageView);
+    }
+
+    @Override
+    public void loadGifImage(Context context, int resizeX, int resizeY, ImageView imageView, Uri uri) {
+        Glide.with(context)
+                .asGif()
+                .load(uri)
+                .apply(new RequestOptions()
+                        .override(resizeX, resizeY)
+                        .priority(Priority.HIGH)
+                        .fitCenter())
+                .into(imageView);
+    }
+
+    @Override
+    public boolean supportAnimatedGif() {
+        return true;
+    }
+
+}

coalMiningApp/matisse/src/main/java/com/zhihu/matisse/engine/impl/PicassoEngine.java

@@ -0,0 +1,61 @@
+/*
+ * Copyright 2017 Zhihu Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.zhihu.matisse.engine.impl;
+
+import android.content.Context;
+import android.graphics.drawable.Drawable;
+import android.net.Uri;
+import android.widget.ImageView;
+
+import com.squareup.picasso.Picasso;
+import com.zhihu.matisse.engine.ImageEngine;
+
+/**
+ * {@link ImageEngine} implementation using Picasso.
+ */
+
+public class PicassoEngine implements ImageEngine {
+
+    @Override
+    public void loadThumbnail(Context context, int resize, Drawable placeholder, ImageView imageView, Uri uri) {
+        Picasso.with(context).load(uri).placeholder(placeholder)
+                .resize(resize, resize)
+                .centerCrop()
+                .into(imageView);
+    }
+
+    @Override
+    public void loadGifThumbnail(Context context, int resize, Drawable placeholder, ImageView imageView,
+                                 Uri uri) {
+        loadThumbnail(context, resize, placeholder, imageView, uri);
+    }
+
+    @Override
+    public void loadImage(Context context, int resizeX, int resizeY, ImageView imageView, Uri uri) {
+        Picasso.with(context).load(uri).resize(resizeX, resizeY).priority(Picasso.Priority.HIGH)
+                .centerInside().into(imageView);
+    }
+
+    @Override
+    public void loadGifImage(Context context, int resizeX, int resizeY, ImageView imageView, Uri uri) {
+        loadImage(context, resizeX, resizeY, imageView, uri);
+    }
+
+    @Override
+    public boolean supportAnimatedGif() {
+        return false;
+    }
+}

coalMiningApp/matisse/src/main/java/com/zhihu/matisse/filter/Filter.java

@@ -0,0 +1,69 @@
+/*
+ * Copyright 2017 Zhihu Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.zhihu.matisse.filter;
+
+import android.content.Context;
+
+import com.zhihu.matisse.MimeType;
+import com.zhihu.matisse.SelectionCreator;
+import com.zhihu.matisse.internal.entity.Item;
+import com.zhihu.matisse.internal.entity.IncapableCause;
+
+import java.util.Set;
+
+/**
+ * Filter for choosing a {@link Item}. You can add multiple Filters through
+ * {@link SelectionCreator#addFilter(Filter)}.
+ */
+@SuppressWarnings("unused")
+public abstract class Filter {
+    /**
+     * Convenient constant for a minimum value.
+     */
+    public static final int MIN = 0;
+    /**
+     * Convenient constant for a maximum value.
+     */
+    public static final int MAX = Integer.MAX_VALUE;
+    /**
+     * Convenient constant for 1024.
+     */
+    public static final int K = 1024;
+
+    /**
+     * Against what mime types this filter applies.
+     */
+    protected abstract Set<MimeType> constraintTypes();
+
+    /**
+     * Invoked for filtering each item.
+     *
+     * @return null if selectable, {@link IncapableCause} if not selectable.
+     */
+    public abstract IncapableCause filter(Context context, Item item);
+
+    /**
+     * Whether an {@link Item} need filtering.
+     */
+    protected boolean needFiltering(Context context, Item item) {
+        for (MimeType type : constraintTypes()) {
+            if (type.checkType(context.getContentResolver(), item.getContentUri())) {
+                return true;
+            }
+        }
+        return false;
+    }
+}

coalMiningApp/matisse/src/main/java/com/zhihu/matisse/internal/entity/Album.java

@@ -0,0 +1,122 @@
+/*
+ * Copyright (C) 2014 nohana, Inc.
+ * Copyright 2017 Zhihu Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.zhihu.matisse.internal.entity;
+
+import android.content.Context;
+import android.database.Cursor;
+import android.net.Uri;
+import android.os.Parcel;
+import android.os.Parcelable;
+
+import androidx.annotation.Nullable;
+
+import com.zhihu.matisse.R;
+import com.zhihu.matisse.internal.loader.AlbumLoader;
+
+public class Album implements Parcelable {
+    public static final Creator<Album> CREATOR = new Creator<Album>() {
+        @Nullable
+        @Override
+        public Album createFromParcel(Parcel source) {
+            return new Album(source);
+        }
+
+        @Override
+        public Album[] newArray(int size) {
+            return new Album[size];
+        }
+    };
+    public static final String ALBUM_ID_ALL = String.valueOf(-1);
+    public static final String ALBUM_NAME_ALL = "All";
+
+    private final String mId;
+    private final Uri mCoverUri;
+    private final String mDisplayName;
+    private long mCount;
+
+    public Album(String id, Uri coverUri, String albumName, long count) {
+        mId = id;
+        mCoverUri = coverUri;
+        mDisplayName = albumName;
+        mCount = count;
+    }
+
+    private Album(Parcel source) {
+        mId = source.readString();
+        mCoverUri = source.readParcelable(Uri.class.getClassLoader());
+        mDisplayName = source.readString();
+        mCount = source.readLong();
+    }
+
+    /**
+     * Constructs a new {@link Album} entity from the {@link Cursor}.
+     * This method is not responsible for managing cursor resource, such as close, iterate, and so on.
+     */
+    public static Album valueOf(Cursor cursor) {
+        String clumn = cursor.getString(cursor.getColumnIndex(AlbumLoader.COLUMN_URI));
+        return new Album(
+                cursor.getString(cursor.getColumnIndex("bucket_id")),
+                Uri.parse(clumn != null ? clumn : ""),
+                cursor.getString(cursor.getColumnIndex("bucket_display_name")),
+                cursor.getLong(cursor.getColumnIndex(AlbumLoader.COLUMN_COUNT)));
+    }
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    @Override
+    public void writeToParcel(Parcel dest, int flags) {
+        dest.writeString(mId);
+        dest.writeParcelable(mCoverUri, 0);
+        dest.writeString(mDisplayName);
+        dest.writeLong(mCount);
+    }
+
+    public String getId() {
+        return mId;
+    }
+
+    public Uri getCoverUri() {
+        return mCoverUri;
+    }
+
+    public long getCount() {
+        return mCount;
+    }
+
+    public void addCaptureCount() {
+        mCount++;
+    }
+
+    public String getDisplayName(Context context) {
+        if (isAll()) {
+            return context.getString(R.string.album_name_all);
+        }
+        return mDisplayName;
+    }
+
+    public boolean isAll() {
+        return ALBUM_ID_ALL.equals(mId);
+    }
+
+    public boolean isEmpty() {
+        return mCount == 0;
+    }
+
+}

coalMiningApp/matisse/src/main/java/com/zhihu/matisse/internal/entity/CaptureStrategy.java

@@ -0,0 +1,33 @@
+/*
+ * Copyright 2017 Zhihu Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.zhihu.matisse.internal.entity;
+
+public class CaptureStrategy {
+
+    public final boolean isPublic;
+    public final String authority;
+    public final String directory;
+
+    public CaptureStrategy(boolean isPublic, String authority) {
+        this(isPublic, authority, null);
+    }
+
+    public CaptureStrategy(boolean isPublic, String authority, String directory) {
+        this.isPublic = isPublic;
+        this.authority = authority;
+        this.directory = directory;
+    }
+}

coalMiningApp/matisse/src/main/java/com/zhihu/matisse/internal/entity/IncapableCause.java

@@ -0,0 +1,83 @@
+/*
+ * Copyright 2017 Zhihu Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.zhihu.matisse.internal.entity;
+
+import android.content.Context;
+import androidx.annotation.IntDef;
+import androidx.fragment.app.FragmentActivity;
+import android.widget.Toast;
+
+import com.zhihu.matisse.internal.ui.widget.IncapableDialog;
+
+import java.lang.annotation.Retention;
+
+import static java.lang.annotation.RetentionPolicy.SOURCE;
+
+@SuppressWarnings("unused")
+public class IncapableCause {
+    public static final int TOAST = 0x00;
+    public static final int DIALOG = 0x01;
+    public static final int NONE = 0x02;
+
+    @Retention(SOURCE)
+    @IntDef({TOAST, DIALOG, NONE})
+    public @interface Form {
+    }
+
+    private int mForm = TOAST;
+    private String mTitle;
+    private String mMessage;
+
+    public IncapableCause(String message) {
+        mMessage = message;
+    }
+
+    public IncapableCause(String title, String message) {
+        mTitle = title;
+        mMessage = message;
+    }
+
+    public IncapableCause(@Form int form, String message) {
+        mForm = form;
+        mMessage = message;
+    }
+
+    public IncapableCause(@Form int form, String title, String message) {
+        mForm = form;
+        mTitle = title;
+        mMessage = message;
+    }
+
+    public static void handleCause(Context context, IncapableCause cause) {
+        if (cause == null)
+            return;
+
+        switch (cause.mForm) {
+            case NONE:
+                // do nothing.
+                break;
+            case DIALOG:
+                IncapableDialog incapableDialog = IncapableDialog.newInstance(cause.mTitle, cause.mMessage);
+                incapableDialog.show(((FragmentActivity) context).getSupportFragmentManager(),
+                        IncapableDialog.class.getName());
+                break;
+            case TOAST:
+            default:
+                Toast.makeText(context, cause.mMessage, Toast.LENGTH_SHORT).show();
+                break;
+        }
+    }
+}

coalMiningApp/matisse/src/main/java/com/zhihu/matisse/internal/entity/Item.java

@@ -0,0 +1,144 @@
+/*
+ * Copyright (C) 2014 nohana, Inc.
+ * Copyright 2017 Zhihu Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.zhihu.matisse.internal.entity;
+
+import android.content.ContentUris;
+import android.database.Cursor;
+import android.net.Uri;
+import android.os.Parcel;
+import android.os.Parcelable;
+import android.provider.MediaStore;
+import androidx.annotation.Nullable;
+
+import com.zhihu.matisse.MimeType;
+
+public class Item implements Parcelable {
+    public static final Creator<Item> CREATOR = new Creator<Item>() {
+        @Override
+        @Nullable
+        public Item createFromParcel(Parcel source) {
+            return new Item(source);
+        }
+
+        @Override
+        public Item[] newArray(int size) {
+            return new Item[size];
+        }
+    };
+    public static final long ITEM_ID_CAPTURE = -1;
+    public static final String ITEM_DISPLAY_NAME_CAPTURE = "Capture";
+    public final long id;
+    public final String mimeType;
+    public final Uri uri;
+    public final long size;
+    public final long duration; // only for video, in ms
+
+    private Item(long id, String mimeType, long size, long duration) {
+        this.id = id;
+        this.mimeType = mimeType;
+        Uri contentUri;
+        if (isImage()) {
+            contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
+        } else if (isVideo()) {
+            contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
+        } else {
+            // ?
+            contentUri = MediaStore.Files.getContentUri("external");
+        }
+        this.uri = ContentUris.withAppendedId(contentUri, id);
+        this.size = size;
+        this.duration = duration;
+    }
+
+    private Item(Parcel source) {
+        id = source.readLong();
+        mimeType = source.readString();
+        uri = source.readParcelable(Uri.class.getClassLoader());
+        size = source.readLong();
+        duration = source.readLong();
+    }
+
+    public static Item valueOf(Cursor cursor) {
+        return new Item(cursor.getLong(cursor.getColumnIndex(MediaStore.Files.FileColumns._ID)),
+                cursor.getString(cursor.getColumnIndex(MediaStore.MediaColumns.MIME_TYPE)),
+                cursor.getLong(cursor.getColumnIndex(MediaStore.MediaColumns.SIZE)),
+                cursor.getLong(cursor.getColumnIndex("duration")));
+    }
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    @Override
+    public void writeToParcel(Parcel dest, int flags) {
+        dest.writeLong(id);
+        dest.writeString(mimeType);
+        dest.writeParcelable(uri, 0);
+        dest.writeLong(size);
+        dest.writeLong(duration);
+    }
+
+    public Uri getContentUri() {
+        return uri;
+    }
+
+    public boolean isCapture() {
+        return id == ITEM_ID_CAPTURE;
+    }
+
+    public boolean isImage() {
+        return MimeType.isImage(mimeType);
+    }
+
+    public boolean isGif() {
+        return MimeType.isGif(mimeType);
+    }
+
+    public boolean isVideo() {
+        return MimeType.isVideo(mimeType);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (!(obj instanceof Item)) {
+            return false;
+        }
+
+        Item other = (Item) obj;
+        return id == other.id
+                && (mimeType != null && mimeType.equals(other.mimeType)
+                    || (mimeType == null && other.mimeType == null))
+                && (uri != null && uri.equals(other.uri)
+                    || (uri == null && other.uri == null))
+                && size == other.size
+                && duration == other.duration;
+    }
+
+    @Override
+    public int hashCode() {
+        int result = 1;
+        result = 31 * result + Long.valueOf(id).hashCode();
+        if (mimeType != null) {
+            result = 31 * result + mimeType.hashCode();
+        }
+        result = 31 * result + uri.hashCode();
+        result = 31 * result + Long.valueOf(size).hashCode();
+        result = 31 * result + Long.valueOf(duration).hashCode();
+        return result;
+    }
+}

coalMiningApp/matisse/src/main/java/com/zhihu/matisse/internal/entity/SelectionSpec.java

@@ -0,0 +1,121 @@
+/*
+ * Copyright (C) 2014 nohana, Inc.
+ * Copyright 2017 Zhihu Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.zhihu.matisse.internal.entity;
+
+import android.content.pm.ActivityInfo;
+
+import androidx.annotation.StyleRes;
+
+import com.zhihu.matisse.MimeType;
+import com.zhihu.matisse.R;
+import com.zhihu.matisse.engine.ImageEngine;
+import com.zhihu.matisse.engine.impl.GlideEngine;
+import com.zhihu.matisse.filter.Filter;
+import com.zhihu.matisse.listener.OnCheckedListener;
+import com.zhihu.matisse.listener.OnSelectedListener;
+
+import java.util.List;
+import java.util.Set;
+
+public final class SelectionSpec {
+
+    public Set<MimeType> mimeTypeSet;
+    public boolean mediaTypeExclusive;
+    public boolean showSingleMediaType;
+    @StyleRes
+    public int themeId;
+    public int orientation;
+    public boolean countable;
+    public int maxSelectable;
+    public int maxImageSelectable;
+    public int maxVideoSelectable;
+    public List<Filter> filters;
+    public boolean capture;
+    public CaptureStrategy captureStrategy;
+    public int spanCount;
+    public int gridExpectedSize;
+    public float thumbnailScale;
+    public ImageEngine imageEngine;
+    public boolean hasInited;
+    public OnSelectedListener onSelectedListener;
+    public boolean originalable;
+    public boolean autoHideToobar;
+    public int originalMaxSize;
+    public OnCheckedListener onCheckedListener;
+    public boolean showPreview;
+
+    private SelectionSpec() {
+    }
+
+    public static SelectionSpec getInstance() {
+        return InstanceHolder.INSTANCE;
+    }
+
+    public static SelectionSpec getCleanInstance() {
+        SelectionSpec selectionSpec = getInstance();
+        selectionSpec.reset();
+        return selectionSpec;
+    }
+
+    private void reset() {
+        mimeTypeSet = null;
+        mediaTypeExclusive = true;
+        showSingleMediaType = false;
+        themeId = R.style.Matisse_Zhihu;
+        orientation = 0;
+        countable = false;
+        maxSelectable = 1;
+        maxImageSelectable = 0;
+        maxVideoSelectable = 0;
+        filters = null;
+        capture = false;
+        captureStrategy = null;
+        spanCount = 3;
+        gridExpectedSize = 0;
+        thumbnailScale = 0.5f;
+        imageEngine = new GlideEngine();
+        hasInited = true;
+        originalable = false;
+        autoHideToobar = false;
+        originalMaxSize = Integer.MAX_VALUE;
+        showPreview = true;
+    }
+
+    public boolean singleSelectionModeEnabled() {
+        return !countable && (maxSelectable == 1 || (maxImageSelectable == 1 && maxVideoSelectable == 1));
+    }
+
+    public boolean needOrientationRestriction() {
+        return orientation != ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
+    }
+
+    public boolean onlyShowImages() {
+        return showSingleMediaType && MimeType.ofImage().containsAll(mimeTypeSet);
+    }
+
+    public boolean onlyShowVideos() {
+        return showSingleMediaType && MimeType.ofVideo().containsAll(mimeTypeSet);
+    }
+
+    public boolean onlyShowGif() {
+        return showSingleMediaType && MimeType.ofGif().equals(mimeTypeSet);
+    }
+
+    private static final class InstanceHolder {
+        private static final SelectionSpec INSTANCE = new SelectionSpec();
+    }
+}

coalMiningApp/matisse/src/main/java/com/zhihu/matisse/internal/loader/AlbumLoader.java

@@ -0,0 +1,293 @@
+/*
+ * Copyright (C) 2014 nohana, Inc.
+ * Copyright 2017 Zhihu Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.zhihu.matisse.internal.loader;
+
+import android.content.ContentUris;
+import android.content.Context;
+import android.database.Cursor;
+import android.database.MatrixCursor;
+import android.database.MergeCursor;
+import android.net.Uri;
+import android.os.Build;
+import android.provider.MediaStore;
+
+import androidx.loader.content.CursorLoader;
+
+import com.zhihu.matisse.MimeType;
+import com.zhihu.matisse.internal.entity.Album;
+import com.zhihu.matisse.internal.entity.SelectionSpec;
+
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+
+/**
+ * Load all albums (grouped by bucket_id) into a single cursor.
+ */
+public class AlbumLoader extends CursorLoader {
+
+    private static final String COLUMN_BUCKET_ID = "bucket_id";
+    private static final String COLUMN_BUCKET_DISPLAY_NAME = "bucket_display_name";
+    public static final String COLUMN_URI = "uri";
+    public static final String COLUMN_COUNT = "count";
+    private static final Uri QUERY_URI = MediaStore.Files.getContentUri("external");
+
+    private static final String[] COLUMNS = {
+            MediaStore.Files.FileColumns._ID,
+            COLUMN_BUCKET_ID,
+            COLUMN_BUCKET_DISPLAY_NAME,
+            MediaStore.MediaColumns.MIME_TYPE,
+            COLUMN_URI,
+            COLUMN_COUNT};
+
+    private static final String[] PROJECTION = {
+            MediaStore.Files.FileColumns._ID,
+            COLUMN_BUCKET_ID,
+            COLUMN_BUCKET_DISPLAY_NAME,
+            MediaStore.MediaColumns.MIME_TYPE,
+            "COUNT(*) AS " + COLUMN_COUNT};
+
+    private static final String[] PROJECTION_29 = {
+            MediaStore.Files.FileColumns._ID,
+            COLUMN_BUCKET_ID,
+            COLUMN_BUCKET_DISPLAY_NAME,
+            MediaStore.MediaColumns.MIME_TYPE};
+
+    // === params for showSingleMediaType: false ===
+    private static final String SELECTION =
+            "(" + MediaStore.Files.FileColumns.MEDIA_TYPE + "=?"
+                    + " OR "
+                    + MediaStore.Files.FileColumns.MEDIA_TYPE + "=?)"
+                    + " AND " + MediaStore.MediaColumns.SIZE + ">0"
+                    + ") GROUP BY (bucket_id";
+    private static final String SELECTION_29 =
+            "(" + MediaStore.Files.FileColumns.MEDIA_TYPE + "=?"
+                    + " OR "
+                    + MediaStore.Files.FileColumns.MEDIA_TYPE + "=?)"
+                    + " AND " + MediaStore.MediaColumns.SIZE + ">0";
+    private static final String[] SELECTION_ARGS = {
+            String.valueOf(MediaStore.Files.FileColumns.MEDIA_TYPE_IMAGE),
+            String.valueOf(MediaStore.Files.FileColumns.MEDIA_TYPE_VIDEO),
+    };
+    // =============================================
+
+    // === params for showSingleMediaType: true ===
+    private static final String SELECTION_FOR_SINGLE_MEDIA_TYPE =
+            MediaStore.Files.FileColumns.MEDIA_TYPE + "=?"
+                    + " AND " + MediaStore.MediaColumns.SIZE + ">0"
+                    + ") GROUP BY (bucket_id";
+    private static final String SELECTION_FOR_SINGLE_MEDIA_TYPE_29 =
+            MediaStore.Files.FileColumns.MEDIA_TYPE + "=?"
+                    + " AND " + MediaStore.MediaColumns.SIZE + ">0";
+
+    private static String[] getSelectionArgsForSingleMediaType(int mediaType) {
+        return new String[]{String.valueOf(mediaType)};
+    }
+    // =============================================
+
+    // === params for showSingleMediaType: true ===
+    private static final String SELECTION_FOR_SINGLE_MEDIA_GIF_TYPE =
+            MediaStore.Files.FileColumns.MEDIA_TYPE + "=?"
+                    + " AND " + MediaStore.MediaColumns.SIZE + ">0"
+                    + " AND " + MediaStore.MediaColumns.MIME_TYPE + "=?"
+                    + ") GROUP BY (bucket_id";
+    private static final String SELECTION_FOR_SINGLE_MEDIA_GIF_TYPE_29 =
+            MediaStore.Files.FileColumns.MEDIA_TYPE + "=?"
+                    + " AND " + MediaStore.MediaColumns.SIZE + ">0"
+                    + " AND " + MediaStore.MediaColumns.MIME_TYPE + "=?";
+
+    private static String[] getSelectionArgsForSingleMediaGifType(int mediaType) {
+        return new String[]{String.valueOf(mediaType), "image/gif"};
+    }
+    // =============================================
+
+    private static final String BUCKET_ORDER_BY = "datetaken DESC";
+
+    private AlbumLoader(Context context, String selection, String[] selectionArgs) {
+        super(
+                context,
+                QUERY_URI,
+                beforeAndroidTen() ? PROJECTION : PROJECTION_29,
+                selection,
+                selectionArgs,
+                BUCKET_ORDER_BY
+        );
+    }
+
+    public static CursorLoader newInstance(Context context) {
+        String selection;
+        String[] selectionArgs;
+        if (SelectionSpec.getInstance().onlyShowGif()) {
+            selection = beforeAndroidTen()
+                    ? SELECTION_FOR_SINGLE_MEDIA_GIF_TYPE : SELECTION_FOR_SINGLE_MEDIA_GIF_TYPE_29;
+            selectionArgs = getSelectionArgsForSingleMediaGifType(
+                    MediaStore.Files.FileColumns.MEDIA_TYPE_IMAGE);
+        } else if (SelectionSpec.getInstance().onlyShowImages()) {
+            selection = beforeAndroidTen()
+                    ? SELECTION_FOR_SINGLE_MEDIA_TYPE : SELECTION_FOR_SINGLE_MEDIA_TYPE_29;
+            selectionArgs = getSelectionArgsForSingleMediaType(
+                    MediaStore.Files.FileColumns.MEDIA_TYPE_IMAGE);
+        } else if (SelectionSpec.getInstance().onlyShowVideos()) {
+            selection = beforeAndroidTen()
+                    ? SELECTION_FOR_SINGLE_MEDIA_TYPE : SELECTION_FOR_SINGLE_MEDIA_TYPE_29;
+            selectionArgs = getSelectionArgsForSingleMediaType(
+                    MediaStore.Files.FileColumns.MEDIA_TYPE_VIDEO);
+        } else {
+            selection = beforeAndroidTen() ? SELECTION : SELECTION_29;
+            selectionArgs = SELECTION_ARGS;
+        }
+        return new AlbumLoader(context, selection, selectionArgs);
+    }
+
+    @Override
+    public Cursor loadInBackground() {
+        Cursor albums = super.loadInBackground();
+        MatrixCursor allAlbum = new MatrixCursor(COLUMNS);
+
+        if (beforeAndroidTen()) {
+            int totalCount = 0;
+            Uri allAlbumCoverUri = null;
+            MatrixCursor otherAlbums = new MatrixCursor(COLUMNS);
+            if (albums != null) {
+                while (albums.moveToNext()) {
+                    long fileId = albums.getLong(
+                            albums.getColumnIndex(MediaStore.Files.FileColumns._ID));
+                    long bucketId = albums.getLong(
+                            albums.getColumnIndex(COLUMN_BUCKET_ID));
+                    String bucketDisplayName = albums.getString(
+                            albums.getColumnIndex(COLUMN_BUCKET_DISPLAY_NAME));
+                    String mimeType = albums.getString(
+                            albums.getColumnIndex(MediaStore.MediaColumns.MIME_TYPE));
+                    Uri uri = getUri(albums);
+                    int count = albums.getInt(albums.getColumnIndex(COLUMN_COUNT));
+
+                    otherAlbums.addRow(new String[]{
+                            Long.toString(fileId),
+                            Long.toString(bucketId), bucketDisplayName, mimeType, uri.toString(),
+                            String.valueOf(count)});
+                    totalCount += count;
+                }
+                if (albums.moveToFirst()) {
+                    allAlbumCoverUri = getUri(albums);
+                }
+            }
+
+            allAlbum.addRow(new String[]{
+                    Album.ALBUM_ID_ALL, Album.ALBUM_ID_ALL, Album.ALBUM_NAME_ALL, null,
+                    allAlbumCoverUri == null ? null : allAlbumCoverUri.toString(),
+                    String.valueOf(totalCount)});
+
+            return new MergeCursor(new Cursor[]{allAlbum, otherAlbums});
+        } else {
+            int totalCount = 0;
+            Uri allAlbumCoverUri = null;
+
+            // Pseudo GROUP BY
+            Map<Long, Long> countMap = new HashMap<>();
+            if (albums != null) {
+                while (albums.moveToNext()) {
+                    long bucketId = albums.getLong(albums.getColumnIndex(COLUMN_BUCKET_ID));
+
+                    Long count = countMap.get(bucketId);
+                    if (count == null) {
+                        count = 1L;
+                    } else {
+                        count++;
+                    }
+                    countMap.put(bucketId, count);
+                }
+            }
+
+            MatrixCursor otherAlbums = new MatrixCursor(COLUMNS);
+            if (albums != null) {
+                if (albums.moveToFirst()) {
+                    allAlbumCoverUri = getUri(albums);
+
+                    Set<Long> done = new HashSet<>();
+
+                    do {
+                        long bucketId = albums.getLong(albums.getColumnIndex(COLUMN_BUCKET_ID));
+
+                        if (done.contains(bucketId)) {
+                            continue;
+                        }
+
+                        long fileId = albums.getLong(
+                                albums.getColumnIndex(MediaStore.Files.FileColumns._ID));
+                        String bucketDisplayName = albums.getString(
+                                albums.getColumnIndex(COLUMN_BUCKET_DISPLAY_NAME));
+                        String mimeType = albums.getString(
+                                albums.getColumnIndex(MediaStore.MediaColumns.MIME_TYPE));
+                        Uri uri = getUri(albums);
+                        long count = countMap.get(bucketId);
+
+                        otherAlbums.addRow(new String[]{
+                                Long.toString(fileId),
+                                Long.toString(bucketId),
+                                bucketDisplayName,
+                                mimeType,
+                                uri.toString(),
+                                String.valueOf(count)});
+                        done.add(bucketId);
+
+                        totalCount += count;
+                    } while (albums.moveToNext());
+                }
+            }
+
+            allAlbum.addRow(new String[]{
+                    Album.ALBUM_ID_ALL,
+                    Album.ALBUM_ID_ALL, Album.ALBUM_NAME_ALL, null,
+                    allAlbumCoverUri == null ? null : allAlbumCoverUri.toString(),
+                    String.valueOf(totalCount)});
+
+            return new MergeCursor(new Cursor[]{allAlbum, otherAlbums});
+        }
+    }
+
+    private static Uri getUri(Cursor cursor) {
+        long id = cursor.getLong(cursor.getColumnIndex(MediaStore.Files.FileColumns._ID));
+        String mimeType = cursor.getString(
+                cursor.getColumnIndex(MediaStore.MediaColumns.MIME_TYPE));
+        Uri contentUri;
+
+        if (MimeType.isImage(mimeType)) {
+            contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
+        } else if (MimeType.isVideo(mimeType)) {
+            contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
+        } else {
+            // ?
+            contentUri = MediaStore.Files.getContentUri("external");
+        }
+
+        Uri uri = ContentUris.withAppendedId(contentUri, id);
+        return uri;
+    }
+
+    @Override
+    public void onContentChanged() {
+        // FIXME a dirty way to fix loading multiple times
+    }
+
+    /**
+     * @return 是否是 Android 10 （Q） 之前的版本
+     */
+    private static boolean beforeAndroidTen() {
+        return android.os.Build.VERSION.SDK_INT < Build.VERSION_CODES.Q;
+    }
+}

coalMiningApp/matisse/src/main/java/com/zhihu/matisse/internal/loader/AlbumMediaLoader.java

@@ -0,0 +1,197 @@
+/*
+ * Copyright (C) 2014 nohana, Inc.
+ * Copyright 2017 Zhihu Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.zhihu.matisse.internal.loader;
+
+import android.content.Context;
+import android.database.Cursor;
+import android.database.MatrixCursor;
+import android.database.MergeCursor;
+import android.net.Uri;
+import android.provider.MediaStore;
+
+import androidx.loader.content.CursorLoader;
+
+import com.zhihu.matisse.internal.entity.Album;
+import com.zhihu.matisse.internal.entity.Item;
+import com.zhihu.matisse.internal.entity.SelectionSpec;
+import com.zhihu.matisse.internal.utils.MediaStoreCompat;
+
+/**
+ * Load images and videos into a single cursor.
+ */
+public class AlbumMediaLoader extends CursorLoader {
+    private static final Uri QUERY_URI = MediaStore.Files.getContentUri("external");
+    private static final String[] PROJECTION = {
+            MediaStore.Files.FileColumns._ID,
+            MediaStore.MediaColumns.DISPLAY_NAME,
+            MediaStore.MediaColumns.MIME_TYPE,
+            MediaStore.MediaColumns.SIZE,
+            "duration"};
+
+    // === params for album ALL && showSingleMediaType: false ===
+    private static final String SELECTION_ALL =
+            "(" + MediaStore.Files.FileColumns.MEDIA_TYPE + "=?"
+                    + " OR "
+                    + MediaStore.Files.FileColumns.MEDIA_TYPE + "=?)"
+                    + " AND " + MediaStore.MediaColumns.SIZE + ">0";
+    private static final String[] SELECTION_ALL_ARGS = {
+            String.valueOf(MediaStore.Files.FileColumns.MEDIA_TYPE_IMAGE),
+            String.valueOf(MediaStore.Files.FileColumns.MEDIA_TYPE_VIDEO),
+    };
+    // ===========================================================
+
+    // === params for album ALL && showSingleMediaType: true ===
+    private static final String SELECTION_ALL_FOR_SINGLE_MEDIA_TYPE =
+            MediaStore.Files.FileColumns.MEDIA_TYPE + "=?"
+                    + " AND " + MediaStore.MediaColumns.SIZE + ">0";
+
+    private static String[] getSelectionArgsForSingleMediaType(int mediaType) {
+        return new String[]{String.valueOf(mediaType)};
+    }
+    // =========================================================
+
+    // === params for ordinary album && showSingleMediaType: false ===
+    private static final String SELECTION_ALBUM =
+            "(" + MediaStore.Files.FileColumns.MEDIA_TYPE + "=?"
+                    + " OR "
+                    + MediaStore.Files.FileColumns.MEDIA_TYPE + "=?)"
+                    + " AND "
+                    + " bucket_id=?"
+                    + " AND " + MediaStore.MediaColumns.SIZE + ">0";
+
+    private static String[] getSelectionAlbumArgs(String albumId) {
+        return new String[]{
+                String.valueOf(MediaStore.Files.FileColumns.MEDIA_TYPE_IMAGE),
+                String.valueOf(MediaStore.Files.FileColumns.MEDIA_TYPE_VIDEO),
+                albumId
+        };
+    }
+    // ===============================================================
+
+    // === params for ordinary album && showSingleMediaType: true ===
+    private static final String SELECTION_ALBUM_FOR_SINGLE_MEDIA_TYPE =
+            MediaStore.Files.FileColumns.MEDIA_TYPE + "=?"
+                    + " AND "
+                    + " bucket_id=?"
+                    + " AND " + MediaStore.MediaColumns.SIZE + ">0";
+
+    private static String[] getSelectionAlbumArgsForSingleMediaType(int mediaType, String albumId) {
+        return new String[]{String.valueOf(mediaType), albumId};
+    }
+    // ===============================================================
+
+    // === params for album ALL && showSingleMediaType: true && MineType=="image/gif"
+    private static final String SELECTION_ALL_FOR_GIF =
+            MediaStore.Files.FileColumns.MEDIA_TYPE + "=?"
+                    + " AND "
+                    + MediaStore.MediaColumns.MIME_TYPE + "=?"
+                    + " AND " + MediaStore.MediaColumns.SIZE + ">0";
+
+    private static String[] getSelectionArgsForGifType(int mediaType) {
+        return new String[]{String.valueOf(mediaType), "image/gif"};
+    }
+    // ===============================================================
+
+    // === params for ordinary album && showSingleMediaType: true  && MineType=="image/gif" ===
+    private static final String SELECTION_ALBUM_FOR_GIF =
+            MediaStore.Files.FileColumns.MEDIA_TYPE + "=?"
+                    + " AND "
+                    + " bucket_id=?"
+                    + " AND "
+                    + MediaStore.MediaColumns.MIME_TYPE + "=?"
+                    + " AND " + MediaStore.MediaColumns.SIZE + ">0";
+
+    private static String[] getSelectionAlbumArgsForGifType(int mediaType, String albumId) {
+        return new String[]{String.valueOf(mediaType), albumId, "image/gif"};
+    }
+    // ===============================================================
+
+    private static final String ORDER_BY = MediaStore.Images.Media.DATE_TAKEN + " DESC";
+    private final boolean mEnableCapture;
+
+    private AlbumMediaLoader(Context context, String selection, String[] selectionArgs, boolean capture) {
+        super(context, QUERY_URI, PROJECTION, selection, selectionArgs, ORDER_BY);
+        mEnableCapture = capture;
+    }
+
+    public static CursorLoader newInstance(Context context, Album album, boolean capture) {
+        String selection;
+        String[] selectionArgs;
+        boolean enableCapture;
+
+        if (album.isAll()) {
+            if (SelectionSpec.getInstance().onlyShowGif()) {
+                selection = SELECTION_ALL_FOR_GIF;
+                selectionArgs = getSelectionArgsForGifType(
+                        MediaStore.Files.FileColumns.MEDIA_TYPE_IMAGE);
+            } else if (SelectionSpec.getInstance().onlyShowImages()) {
+                selection = SELECTION_ALL_FOR_SINGLE_MEDIA_TYPE;
+                selectionArgs =
+                        getSelectionArgsForSingleMediaType(
+                                MediaStore.Files.FileColumns.MEDIA_TYPE_IMAGE);
+            } else if (SelectionSpec.getInstance().onlyShowVideos()) {
+                selection = SELECTION_ALL_FOR_SINGLE_MEDIA_TYPE;
+                selectionArgs =
+                        getSelectionArgsForSingleMediaType(
+                                MediaStore.Files.FileColumns.MEDIA_TYPE_VIDEO);
+            } else {
+                selection = SELECTION_ALL;
+                selectionArgs = SELECTION_ALL_ARGS;
+            }
+            enableCapture = capture;
+        } else {
+            if (SelectionSpec.getInstance().onlyShowGif()) {
+                selection = SELECTION_ALBUM_FOR_GIF;
+                selectionArgs =
+                        getSelectionAlbumArgsForGifType(
+                                MediaStore.Files.FileColumns.MEDIA_TYPE_IMAGE, album.getId());
+            } else if (SelectionSpec.getInstance().onlyShowImages()) {
+                selection = SELECTION_ALBUM_FOR_SINGLE_MEDIA_TYPE;
+                selectionArgs =
+                        getSelectionAlbumArgsForSingleMediaType(
+                                MediaStore.Files.FileColumns.MEDIA_TYPE_IMAGE,
+                                album.getId());
+            } else if (SelectionSpec.getInstance().onlyShowVideos()) {
+                selection = SELECTION_ALBUM_FOR_SINGLE_MEDIA_TYPE;
+                selectionArgs = getSelectionAlbumArgsForSingleMediaType(
+                        MediaStore.Files.FileColumns.MEDIA_TYPE_VIDEO,
+                        album.getId());
+            } else {
+                selection = SELECTION_ALBUM;
+                selectionArgs = getSelectionAlbumArgs(album.getId());
+            }
+            enableCapture = false;
+        }
+        return new AlbumMediaLoader(context, selection, selectionArgs, enableCapture);
+    }
+
+    @Override
+    public Cursor loadInBackground() {
+        Cursor result = super.loadInBackground();
+        if (!mEnableCapture || !MediaStoreCompat.hasCameraFeature(getContext())) {
+            return result;
+        }
+        MatrixCursor dummy = new MatrixCursor(PROJECTION);
+        dummy.addRow(new Object[]{Item.ITEM_ID_CAPTURE, Item.ITEM_DISPLAY_NAME_CAPTURE, "", 0, 0});
+        return new MergeCursor(new Cursor[]{dummy, result});
+    }
+
+    @Override
+    public void onContentChanged() {
+        // FIXME a dirty way to fix loading multiple times
+    }
+}

coalMiningApp/matisse/src/main/java/com/zhihu/matisse/internal/model/AlbumCollection.java

@@ -0,0 +1,114 @@
+/*
+ * Copyright (C) 2014 nohana, Inc.
+ * Copyright 2017 Zhihu Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.zhihu.matisse.internal.model;
+
+import android.content.Context;
+import android.database.Cursor;
+import android.os.Bundle;
+import androidx.fragment.app.FragmentActivity;
+import androidx.loader.app.LoaderManager;
+import androidx.loader.content.Loader;
+
+import com.zhihu.matisse.internal.loader.AlbumLoader;
+
+import java.lang.ref.WeakReference;
+
+public class AlbumCollection implements LoaderManager.LoaderCallbacks<Cursor> {
+    private static final int LOADER_ID = 1;
+    private static final String STATE_CURRENT_SELECTION = "state_current_selection";
+    private WeakReference<Context> mContext;
+    private LoaderManager mLoaderManager;
+    private AlbumCallbacks mCallbacks;
+    private int mCurrentSelection;
+    private boolean mLoadFinished;
+
+    @Override
+    public Loader<Cursor> onCreateLoader(int id, Bundle args) {
+        Context context = mContext.get();
+        if (context == null) {
+            return null;
+        }
+        mLoadFinished = false;
+        return AlbumLoader.newInstance(context);
+    }
+
+    @Override
+    public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
+        Context context = mContext.get();
+        if (context == null) {
+            return;
+        }
+
+        if (!mLoadFinished) {
+            mLoadFinished = true;
+            mCallbacks.onAlbumLoad(data);
+        }
+    }
+
+    @Override
+    public void onLoaderReset(Loader<Cursor> loader) {
+        Context context = mContext.get();
+        if (context == null) {
+            return;
+        }
+
+        mCallbacks.onAlbumReset();
+    }
+
+    public void onCreate(FragmentActivity activity, AlbumCallbacks callbacks) {
+        mContext = new WeakReference<Context>(activity);
+        mLoaderManager = activity.getSupportLoaderManager();
+        mCallbacks = callbacks;
+    }
+
+    public void onRestoreInstanceState(Bundle savedInstanceState) {
+        if (savedInstanceState == null) {
+            return;
+        }
+
+        mCurrentSelection = savedInstanceState.getInt(STATE_CURRENT_SELECTION);
+    }
+
+    public void onSaveInstanceState(Bundle outState) {
+        outState.putInt(STATE_CURRENT_SELECTION, mCurrentSelection);
+    }
+
+    public void onDestroy() {
+        if (mLoaderManager != null) {
+            mLoaderManager.destroyLoader(LOADER_ID);
+        }
+        mCallbacks = null;
+    }
+
+    public void loadAlbums() {
+        mLoaderManager.initLoader(LOADER_ID, null, this);
+    }
+
+    public int getCurrentSelection() {
+        return mCurrentSelection;
+    }
+
+    public void setStateCurrentSelection(int currentSelection) {
+        mCurrentSelection = currentSelection;
+    }
+
+    public interface AlbumCallbacks {
+        void onAlbumLoad(Cursor cursor);
+
+        void onAlbumReset();
+    }
+}

coalMiningApp/matisse/src/main/java/com/zhihu/matisse/internal/model/AlbumMediaCollection.java

@@ -0,0 +1,107 @@
+/*
+ * Copyright (C) 2014 nohana, Inc.
+ * Copyright 2017 Zhihu Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.zhihu.matisse.internal.model;
+
+import android.content.Context;
+import android.database.Cursor;
+import android.os.Bundle;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.FragmentActivity;
+import androidx.loader.app.LoaderManager;
+import androidx.loader.content.Loader;
+
+import com.zhihu.matisse.internal.entity.Album;
+import com.zhihu.matisse.internal.loader.AlbumMediaLoader;
+
+import java.lang.ref.WeakReference;
+
+public class AlbumMediaCollection implements LoaderManager.LoaderCallbacks<Cursor> {
+    private static final int LOADER_ID = 2;
+    private static final String ARGS_ALBUM = "args_album";
+    private static final String ARGS_ENABLE_CAPTURE = "args_enable_capture";
+    private WeakReference<Context> mContext;
+    private LoaderManager mLoaderManager;
+    private AlbumMediaCallbacks mCallbacks;
+
+    @Override
+    public Loader<Cursor> onCreateLoader(int id, Bundle args) {
+        Context context = mContext.get();
+        if (context == null) {
+            return null;
+        }
+
+        Album album = args.getParcelable(ARGS_ALBUM);
+        if (album == null) {
+            return null;
+        }
+
+        return AlbumMediaLoader.newInstance(context, album,
+                album.isAll() && args.getBoolean(ARGS_ENABLE_CAPTURE, false));
+    }
+
+    @Override
+    public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
+        Context context = mContext.get();
+        if (context == null) {
+            return;
+        }
+
+        mCallbacks.onAlbumMediaLoad(data);
+    }
+
+    @Override
+    public void onLoaderReset(Loader<Cursor> loader) {
+        Context context = mContext.get();
+        if (context == null) {
+            return;
+        }
+
+        mCallbacks.onAlbumMediaReset();
+    }
+
+    public void onCreate(@NonNull FragmentActivity context, @NonNull AlbumMediaCallbacks callbacks) {
+        mContext = new WeakReference<Context>(context);
+        mLoaderManager = context.getSupportLoaderManager();
+        mCallbacks = callbacks;
+    }
+
+    public void onDestroy() {
+        if (mLoaderManager != null) {
+            mLoaderManager.destroyLoader(LOADER_ID);
+        }
+        mCallbacks = null;
+    }
+
+    public void load(@Nullable Album target) {
+        load(target, false);
+    }
+
+    public void load(@Nullable Album target, boolean enableCapture) {
+        Bundle args = new Bundle();
+        args.putParcelable(ARGS_ALBUM, target);
+        args.putBoolean(ARGS_ENABLE_CAPTURE, enableCapture);
+        mLoaderManager.initLoader(LOADER_ID, args, this);
+    }
+
+    public interface AlbumMediaCallbacks {
+
+        void onAlbumMediaLoad(Cursor cursor);
+
+        void onAlbumMediaReset();
+    }
+}

coalMiningApp/matisse/src/main/java/com/zhihu/matisse/internal/model/SelectedItemCollection.java

@@ -0,0 +1,256 @@
+/*
+ * Copyright 2017 Zhihu Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.zhihu.matisse.internal.model;
+
+import android.content.Context;
+import android.content.res.Resources;
+import android.net.Uri;
+import android.os.Bundle;
+
+import com.zhihu.matisse.R;
+import com.zhihu.matisse.internal.entity.IncapableCause;
+import com.zhihu.matisse.internal.entity.Item;
+import com.zhihu.matisse.internal.entity.SelectionSpec;
+import com.zhihu.matisse.internal.ui.widget.CheckView;
+import com.zhihu.matisse.internal.utils.PathUtils;
+import com.zhihu.matisse.internal.utils.PhotoMetadataUtils;
+
+import java.util.ArrayList;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Set;
+
+@SuppressWarnings("unused")
+public class SelectedItemCollection {
+
+    public static final String STATE_SELECTION = "state_selection";
+    public static final String STATE_COLLECTION_TYPE = "state_collection_type";
+    /**
+     * Empty collection
+     */
+    public static final int COLLECTION_UNDEFINED = 0x00;
+    /**
+     * Collection only with images
+     */
+    public static final int COLLECTION_IMAGE = 0x01;
+    /**
+     * Collection only with videos
+     */
+    public static final int COLLECTION_VIDEO = 0x01 << 1;
+    /**
+     * Collection with images and videos.
+     */
+    public static final int COLLECTION_MIXED = COLLECTION_IMAGE | COLLECTION_VIDEO;
+    private final Context mContext;
+    private Set<Item> mItems;
+    private int mCollectionType = COLLECTION_UNDEFINED;
+
+    public SelectedItemCollection(Context context) {
+        mContext = context;
+    }
+
+    public void onCreate(Bundle bundle) {
+        if (bundle == null) {
+            mItems = new LinkedHashSet<>();
+        } else {
+            List<Item> saved = bundle.getParcelableArrayList(STATE_SELECTION);
+            mItems = new LinkedHashSet<>(saved);
+            mCollectionType = bundle.getInt(STATE_COLLECTION_TYPE, COLLECTION_UNDEFINED);
+        }
+    }
+
+    public void setDefaultSelection(List<Item> uris) {
+        mItems.addAll(uris);
+    }
+
+    public void onSaveInstanceState(Bundle outState) {
+        outState.putParcelableArrayList(STATE_SELECTION, new ArrayList<>(mItems));
+        outState.putInt(STATE_COLLECTION_TYPE, mCollectionType);
+    }
+
+    public Bundle getDataWithBundle() {
+        Bundle bundle = new Bundle();
+        bundle.putParcelableArrayList(STATE_SELECTION, new ArrayList<>(mItems));
+        bundle.putInt(STATE_COLLECTION_TYPE, mCollectionType);
+        return bundle;
+    }
+
+    public boolean add(Item item) {
+        if (typeConflict(item)) {
+            throw new IllegalArgumentException("Can't select images and videos at the same time.");
+        }
+        boolean added = mItems.add(item);
+        if (added) {
+            if (mCollectionType == COLLECTION_UNDEFINED) {
+                if (item.isImage()) {
+                    mCollectionType = COLLECTION_IMAGE;
+                } else if (item.isVideo()) {
+                    mCollectionType = COLLECTION_VIDEO;
+                }
+            } else if (mCollectionType == COLLECTION_IMAGE) {
+                if (item.isVideo()) {
+                    mCollectionType = COLLECTION_MIXED;
+                }
+            } else if (mCollectionType == COLLECTION_VIDEO) {
+                if (item.isImage()) {
+                    mCollectionType = COLLECTION_MIXED;
+                }
+            }
+        }
+        return added;
+    }
+
+    public boolean remove(Item item) {
+        boolean removed = mItems.remove(item);
+        if (removed) {
+            if (mItems.size() == 0) {
+                mCollectionType = COLLECTION_UNDEFINED;
+            } else {
+                if (mCollectionType == COLLECTION_MIXED) {
+                    refineCollectionType();
+                }
+            }
+        }
+        return removed;
+    }
+
+    public void overwrite(ArrayList<Item> items, int collectionType) {
+        if (items.size() == 0) {
+            mCollectionType = COLLECTION_UNDEFINED;
+        } else {
+            mCollectionType = collectionType;
+        }
+        mItems.clear();
+        mItems.addAll(items);
+    }
+
+
+    public List<Item> asList() {
+        return new ArrayList<>(mItems);
+    }
+
+    public List<Uri> asListOfUri() {
+        List<Uri> uris = new ArrayList<>();
+        for (Item item : mItems) {
+            uris.add(item.getContentUri());
+        }
+        return uris;
+    }
+
+    public List<String> asListOfString() {
+        List<String> paths = new ArrayList<>();
+        for (Item item : mItems) {
+            paths.add(PathUtils.getPath(mContext, item.getContentUri()));
+        }
+        return paths;
+    }
+
+    public boolean isEmpty() {
+        return mItems == null || mItems.isEmpty();
+    }
+
+    public boolean isSelected(Item item) {
+        return mItems.contains(item);
+    }
+
+    public IncapableCause isAcceptable(Item item) {
+        if (maxSelectableReached()) {
+            int maxSelectable = currentMaxSelectable();
+            String cause;
+
+            try {
+                cause = mContext.getResources().getQuantityString(
+                        R.plurals.error_over_count,
+                        maxSelectable,
+                        maxSelectable
+                );
+            } catch (Resources.NotFoundException e) {
+                cause = mContext.getString(
+                        R.string.error_over_count,
+                        maxSelectable
+                );
+            } catch (NoClassDefFoundError e) {
+                cause = mContext.getString(
+                        R.string.error_over_count,
+                        maxSelectable
+                );
+            }
+
+            return new IncapableCause(cause);
+        } else if (typeConflict(item)) {
+            return new IncapableCause(mContext.getString(R.string.error_type_conflict));
+        }
+
+        return PhotoMetadataUtils.isAcceptable(mContext, item);
+    }
+
+    public boolean maxSelectableReached() {
+        return mItems.size() == currentMaxSelectable();
+    }
+
+    // depends
+    private int currentMaxSelectable() {
+        SelectionSpec spec = SelectionSpec.getInstance();
+        if (spec.maxSelectable > 0) {
+            return spec.maxSelectable;
+        } else if (mCollectionType == COLLECTION_IMAGE) {
+            return spec.maxImageSelectable;
+        } else if (mCollectionType == COLLECTION_VIDEO) {
+            return spec.maxVideoSelectable;
+        } else {
+            return spec.maxSelectable;
+        }
+    }
+
+    public int getCollectionType() {
+        return mCollectionType;
+    }
+
+    private void refineCollectionType() {
+        boolean hasImage = false;
+        boolean hasVideo = false;
+        for (Item i : mItems) {
+            if (i.isImage() && !hasImage) hasImage = true;
+            if (i.isVideo() && !hasVideo) hasVideo = true;
+        }
+        if (hasImage && hasVideo) {
+            mCollectionType = COLLECTION_MIXED;
+        } else if (hasImage) {
+            mCollectionType = COLLECTION_IMAGE;
+        } else if (hasVideo) {
+            mCollectionType = COLLECTION_VIDEO;
+        }
+    }
+
+    /**
+     * Determine whether there will be conflict media types. A user can only select images and videos at the same time
+     * while {@link SelectionSpec#mediaTypeExclusive} is set to false.
+     */
+    public boolean typeConflict(Item item) {
+        return SelectionSpec.getInstance().mediaTypeExclusive
+                && ((item.isImage() && (mCollectionType == COLLECTION_VIDEO || mCollectionType == COLLECTION_MIXED))
+                || (item.isVideo() && (mCollectionType == COLLECTION_IMAGE || mCollectionType == COLLECTION_MIXED)));
+    }
+
+    public int count() {
+        return mItems.size();
+    }
+
+    public int checkedNumOf(Item item) {
+        int index = new ArrayList<>(mItems).indexOf(item);
+        return index == -1 ? CheckView.UNCHECKED : index + 1;
+    }
+}

coalMiningApp/matisse/src/main/java/com/zhihu/matisse/internal/ui/AlbumPreviewActivity.java

@@ -0,0 +1,97 @@
+/*
+ * Copyright 2017 Zhihu Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.zhihu.matisse.internal.ui;
+
+import android.database.Cursor;
+import android.os.Bundle;
+import androidx.annotation.Nullable;
+
+import com.zhihu.matisse.internal.entity.Album;
+import com.zhihu.matisse.internal.entity.Item;
+import com.zhihu.matisse.internal.entity.SelectionSpec;
+import com.zhihu.matisse.internal.model.AlbumMediaCollection;
+import com.zhihu.matisse.internal.ui.adapter.PreviewPagerAdapter;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class AlbumPreviewActivity extends BasePreviewActivity implements
+        AlbumMediaCollection.AlbumMediaCallbacks {
+
+    public static final String EXTRA_ALBUM = "extra_album";
+    public static final String EXTRA_ITEM = "extra_item";
+
+    private AlbumMediaCollection mCollection = new AlbumMediaCollection();
+
+    private boolean mIsAlreadySetPosition;
+
+    @Override
+    protected void onCreate(@Nullable Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        if (!SelectionSpec.getInstance().hasInited) {
+            setResult(RESULT_CANCELED);
+            finish();
+            return;
+        }
+        mCollection.onCreate(this, this);
+        Album album = getIntent().getParcelableExtra(EXTRA_ALBUM);
+        mCollection.load(album);
+
+        Item item = getIntent().getParcelableExtra(EXTRA_ITEM);
+        if (mSpec.countable) {
+            mCheckView.setCheckedNum(mSelectedCollection.checkedNumOf(item));
+        } else {
+            mCheckView.setChecked(mSelectedCollection.isSelected(item));
+        }
+        updateSize(item);
+    }
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+        mCollection.onDestroy();
+    }
+
+    @Override
+    public void onAlbumMediaLoad(Cursor cursor) {
+        List<Item> items = new ArrayList<>();
+        while (cursor.moveToNext()) {
+            items.add(Item.valueOf(cursor));
+        }
+//        cursor.close();
+
+        if (items.isEmpty()) {
+            return;
+        }
+
+        PreviewPagerAdapter adapter = (PreviewPagerAdapter) mPager.getAdapter();
+        adapter.addAll(items);
+        adapter.notifyDataSetChanged();
+        if (!mIsAlreadySetPosition) {
+            //onAlbumMediaLoad is called many times..
+            mIsAlreadySetPosition = true;
+            Item selected = getIntent().getParcelableExtra(EXTRA_ITEM);
+            int selectedIndex = items.indexOf(selected);
+            mPager.setCurrentItem(selectedIndex, false);
+            mPreviousPos = selectedIndex;
+        }
+    }
+
+    @Override
+    public void onAlbumMediaReset() {
+
+    }
+}

coalMiningApp/matisse/src/main/java/com/zhihu/matisse/internal/ui/BasePreviewActivity.java

@@ -0,0 +1,358 @@
+/*
+ * Copyright 2017 Zhihu Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.zhihu.matisse.internal.ui;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.graphics.Color;
+import android.os.Bundle;
+import androidx.annotation.Nullable;
+import androidx.viewpager.widget.ViewPager;
+import androidx.interpolator.view.animation.FastOutSlowInInterpolator;
+import androidx.appcompat.app.AppCompatActivity;
+import android.view.View;
+import android.view.WindowManager;
+import android.widget.FrameLayout;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+
+import com.zhihu.matisse.R;
+import com.zhihu.matisse.internal.entity.IncapableCause;
+import com.zhihu.matisse.internal.entity.Item;
+import com.zhihu.matisse.internal.entity.SelectionSpec;
+import com.zhihu.matisse.internal.model.SelectedItemCollection;
+import com.zhihu.matisse.internal.ui.adapter.PreviewPagerAdapter;
+import com.zhihu.matisse.internal.ui.widget.CheckRadioView;
+import com.zhihu.matisse.internal.ui.widget.CheckView;
+import com.zhihu.matisse.internal.ui.widget.IncapableDialog;
+import com.zhihu.matisse.internal.utils.PhotoMetadataUtils;
+import com.zhihu.matisse.internal.utils.Platform;
+import com.zhihu.matisse.listener.OnFragmentInteractionListener;
+
+public abstract class BasePreviewActivity extends AppCompatActivity implements View.OnClickListener,
+        ViewPager.OnPageChangeListener, OnFragmentInteractionListener {
+
+    public static final String EXTRA_DEFAULT_BUNDLE = "extra_default_bundle";
+    public static final String EXTRA_RESULT_BUNDLE = "extra_result_bundle";
+    public static final String EXTRA_RESULT_APPLY = "extra_result_apply";
+    public static final String EXTRA_RESULT_ORIGINAL_ENABLE = "extra_result_original_enable";
+    public static final String CHECK_STATE = "checkState";
+
+    protected final SelectedItemCollection mSelectedCollection = new SelectedItemCollection(this);
+    protected SelectionSpec mSpec;
+    protected ViewPager mPager;
+
+    protected PreviewPagerAdapter mAdapter;
+
+    protected CheckView mCheckView;
+    protected TextView mButtonBack;
+    protected TextView mButtonApply;
+    protected TextView mSize;
+
+    protected int mPreviousPos = -1;
+
+    private LinearLayout mOriginalLayout;
+    private CheckRadioView mOriginal;
+    protected boolean mOriginalEnable;
+
+    private FrameLayout mBottomToolbar;
+    private FrameLayout mTopToolbar;
+    private boolean mIsToolbarHide = false;
+
+    @Override
+    protected void onCreate(@Nullable Bundle savedInstanceState) {
+        setTheme(SelectionSpec.getInstance().themeId);
+        super.onCreate(savedInstanceState);
+        if (!SelectionSpec.getInstance().hasInited) {
+            setResult(RESULT_CANCELED);
+            finish();
+            return;
+        }
+        setContentView(R.layout.activity_media_preview);
+        if (Platform.hasKitKat()) {
+            getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
+        }
+
+        mSpec = SelectionSpec.getInstance();
+        if (mSpec.needOrientationRestriction()) {
+            setRequestedOrientation(mSpec.orientation);
+        }
+
+        if (savedInstanceState == null) {
+            mSelectedCollection.onCreate(getIntent().getBundleExtra(EXTRA_DEFAULT_BUNDLE));
+            mOriginalEnable = getIntent().getBooleanExtra(EXTRA_RESULT_ORIGINAL_ENABLE, false);
+        } else {
+            mSelectedCollection.onCreate(savedInstanceState);
+            mOriginalEnable = savedInstanceState.getBoolean(CHECK_STATE);
+        }
+        mButtonBack = (TextView) findViewById(R.id.button_back);
+        mButtonApply = (TextView) findViewById(R.id.button_apply);
+        mSize = (TextView) findViewById(R.id.size);
+        mButtonBack.setOnClickListener(this);
+        mButtonApply.setOnClickListener(this);
+
+        mPager = (ViewPager) findViewById(R.id.pager);
+        mPager.addOnPageChangeListener(this);
+        mAdapter = new PreviewPagerAdapter(getSupportFragmentManager(), null);
+        mPager.setAdapter(mAdapter);
+        mCheckView = (CheckView) findViewById(R.id.check_view);
+        mCheckView.setCountable(mSpec.countable);
+        mBottomToolbar = findViewById(R.id.bottom_toolbar);
+        mTopToolbar = findViewById(R.id.top_toolbar);
+
+        mCheckView.setOnClickListener(new View.OnClickListener() {
+
+            @Override
+            public void onClick(View v) {
+                Item item = mAdapter.getMediaItem(mPager.getCurrentItem());
+                if (mSelectedCollection.isSelected(item)) {
+                    mSelectedCollection.remove(item);
+                    if (mSpec.countable) {
+                        mCheckView.setCheckedNum(CheckView.UNCHECKED);
+                    } else {
+                        mCheckView.setChecked(false);
+                    }
+                } else {
+                    if (assertAddSelection(item)) {
+                        mSelectedCollection.add(item);
+                        if (mSpec.countable) {
+                            mCheckView.setCheckedNum(mSelectedCollection.checkedNumOf(item));
+                        } else {
+                            mCheckView.setChecked(true);
+                        }
+                    }
+                }
+                updateApplyButton();
+
+                if (mSpec.onSelectedListener != null) {
+                    mSpec.onSelectedListener.onSelected(
+                            mSelectedCollection.asListOfUri(), mSelectedCollection.asListOfString());
+                }
+            }
+        });
+
+
+        mOriginalLayout = findViewById(R.id.originalLayout);
+        mOriginal = findViewById(R.id.original);
+        mOriginalLayout.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+
+                int count = countOverMaxSize();
+                if (count > 0) {
+                    IncapableDialog incapableDialog = IncapableDialog.newInstance("",
+                            getString(R.string.error_over_original_count, count, mSpec.originalMaxSize));
+                    incapableDialog.show(getSupportFragmentManager(),
+                            IncapableDialog.class.getName());
+                    return;
+                }
+
+                mOriginalEnable = !mOriginalEnable;
+                mOriginal.setChecked(mOriginalEnable);
+                if (!mOriginalEnable) {
+                    mOriginal.setColor(Color.WHITE);
+                }
+
+
+                if (mSpec.onCheckedListener != null) {
+                    mSpec.onCheckedListener.onCheck(mOriginalEnable);
+                }
+            }
+        });
+
+        updateApplyButton();
+    }
+
+    @Override
+    protected void onSaveInstanceState(Bundle outState) {
+        mSelectedCollection.onSaveInstanceState(outState);
+        outState.putBoolean("checkState", mOriginalEnable);
+        super.onSaveInstanceState(outState);
+    }
+
+    @Override
+    public void onBackPressed() {
+        sendBackResult(false);
+        super.onBackPressed();
+    }
+
+    @Override
+    public void onClick(View v) {
+        if (v.getId() == R.id.button_back) {
+            onBackPressed();
+        } else if (v.getId() == R.id.button_apply) {
+            sendBackResult(true);
+            finish();
+        }
+    }
+
+    @Override
+    public void onClick() {
+        if (!mSpec.autoHideToobar) {
+            return;
+        }
+
+        if (mIsToolbarHide) {
+            mTopToolbar.animate()
+                    .setInterpolator(new FastOutSlowInInterpolator())
+                    .translationYBy(mTopToolbar.getMeasuredHeight())
+                    .start();
+            mBottomToolbar.animate()
+                    .translationYBy(-mBottomToolbar.getMeasuredHeight())
+                    .setInterpolator(new FastOutSlowInInterpolator())
+                    .start();
+        } else {
+            mTopToolbar.animate()
+                    .setInterpolator(new FastOutSlowInInterpolator())
+                    .translationYBy(-mTopToolbar.getMeasuredHeight())
+                    .start();
+            mBottomToolbar.animate()
+                    .setInterpolator(new FastOutSlowInInterpolator())
+                    .translationYBy(mBottomToolbar.getMeasuredHeight())
+                    .start();
+        }
+
+        mIsToolbarHide = !mIsToolbarHide;
+
+    }
+
+    @Override
+    public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
+
+    }
+
+    @Override
+    public void onPageSelected(int position) {
+        PreviewPagerAdapter adapter = (PreviewPagerAdapter) mPager.getAdapter();
+        if (mPreviousPos != -1 && mPreviousPos != position) {
+            ((PreviewItemFragment) adapter.instantiateItem(mPager, mPreviousPos)).resetView();
+
+            Item item = adapter.getMediaItem(position);
+            if (mSpec.countable) {
+                int checkedNum = mSelectedCollection.checkedNumOf(item);
+                mCheckView.setCheckedNum(checkedNum);
+                if (checkedNum > 0) {
+                    mCheckView.setEnabled(true);
+                } else {
+                    mCheckView.setEnabled(!mSelectedCollection.maxSelectableReached());
+                }
+            } else {
+                boolean checked = mSelectedCollection.isSelected(item);
+                mCheckView.setChecked(checked);
+                if (checked) {
+                    mCheckView.setEnabled(true);
+                } else {
+                    mCheckView.setEnabled(!mSelectedCollection.maxSelectableReached());
+                }
+            }
+            updateSize(item);
+        }
+        mPreviousPos = position;
+    }
+
+    @Override
+    public void onPageScrollStateChanged(int state) {
+
+    }
+
+    private void updateApplyButton() {
+        int selectedCount = mSelectedCollection.count();
+        if (selectedCount == 0) {
+            mButtonApply.setText(R.string.button_apply_default);
+            mButtonApply.setEnabled(false);
+        } else if (selectedCount == 1 && mSpec.singleSelectionModeEnabled()) {
+            mButtonApply.setText(R.string.button_apply_default);
+            mButtonApply.setEnabled(true);
+        } else {
+            mButtonApply.setEnabled(true);
+            mButtonApply.setText(getString(R.string.button_apply, selectedCount));
+        }
+
+        if (mSpec.originalable) {
+            mOriginalLayout.setVisibility(View.VISIBLE);
+            updateOriginalState();
+        } else {
+            mOriginalLayout.setVisibility(View.GONE);
+        }
+    }
+
+
+    private void updateOriginalState() {
+        mOriginal.setChecked(mOriginalEnable);
+        if (!mOriginalEnable) {
+            mOriginal.setColor(Color.WHITE);
+        }
+
+        if (countOverMaxSize() > 0) {
+
+            if (mOriginalEnable) {
+                IncapableDialog incapableDialog = IncapableDialog.newInstance("",
+                        getString(R.string.error_over_original_size, mSpec.originalMaxSize));
+                incapableDialog.show(getSupportFragmentManager(),
+                        IncapableDialog.class.getName());
+
+                mOriginal.setChecked(false);
+                mOriginal.setColor(Color.WHITE);
+                mOriginalEnable = false;
+            }
+        }
+    }
+
+
+    private int countOverMaxSize() {
+        int count = 0;
+        int selectedCount = mSelectedCollection.count();
+        for (int i = 0; i < selectedCount; i++) {
+            Item item = mSelectedCollection.asList().get(i);
+            if (item.isImage()) {
+                float size = PhotoMetadataUtils.getSizeInMB(item.size);
+                if (size > mSpec.originalMaxSize) {
+                    count++;
+                }
+            }
+        }
+        return count;
+    }
+
+    protected void updateSize(Item item) {
+        if (item.isGif()) {
+            mSize.setVisibility(View.VISIBLE);
+            mSize.setText(PhotoMetadataUtils.getSizeInMB(item.size) + "M");
+        } else {
+            mSize.setVisibility(View.GONE);
+        }
+
+        if (item.isVideo()) {
+            mOriginalLayout.setVisibility(View.GONE);
+        } else if (mSpec.originalable) {
+            mOriginalLayout.setVisibility(View.VISIBLE);
+        }
+    }
+
+    protected void sendBackResult(boolean apply) {
+        Intent intent = new Intent();
+        intent.putExtra(EXTRA_RESULT_BUNDLE, mSelectedCollection.getDataWithBundle());
+        intent.putExtra(EXTRA_RESULT_APPLY, apply);
+        intent.putExtra(EXTRA_RESULT_ORIGINAL_ENABLE, mOriginalEnable);
+        setResult(Activity.RESULT_OK, intent);
+    }
+
+    private boolean assertAddSelection(Item item) {
+        IncapableCause cause = mSelectedCollection.isAcceptable(item);
+        IncapableCause.handleCause(this, cause);
+        return cause == null;
+    }
+}

coalMiningApp/matisse/src/main/java/com/zhihu/matisse/internal/ui/MediaSelectionFragment.java

@@ -0,0 +1,159 @@
+/*
+ * Copyright 2017 Zhihu Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.zhihu.matisse.internal.ui;
+
+import android.content.Context;
+import android.database.Cursor;
+import android.os.Bundle;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+import androidx.recyclerview.widget.GridLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import com.zhihu.matisse.R;
+import com.zhihu.matisse.internal.entity.Album;
+import com.zhihu.matisse.internal.entity.Item;
+import com.zhihu.matisse.internal.entity.SelectionSpec;
+import com.zhihu.matisse.internal.model.AlbumMediaCollection;
+import com.zhihu.matisse.internal.model.SelectedItemCollection;
+import com.zhihu.matisse.internal.ui.adapter.AlbumMediaAdapter;
+import com.zhihu.matisse.internal.ui.widget.MediaGridInset;
+import com.zhihu.matisse.internal.utils.UIUtils;
+
+public class MediaSelectionFragment extends Fragment implements
+        AlbumMediaCollection.AlbumMediaCallbacks, AlbumMediaAdapter.CheckStateListener,
+        AlbumMediaAdapter.OnMediaClickListener {
+
+    public static final String EXTRA_ALBUM = "extra_album";
+
+    private final AlbumMediaCollection mAlbumMediaCollection = new AlbumMediaCollection();
+    private RecyclerView mRecyclerView;
+    private AlbumMediaAdapter mAdapter;
+    private SelectionProvider mSelectionProvider;
+    private AlbumMediaAdapter.CheckStateListener mCheckStateListener;
+    private AlbumMediaAdapter.OnMediaClickListener mOnMediaClickListener;
+
+    public static MediaSelectionFragment newInstance(Album album) {
+        MediaSelectionFragment fragment = new MediaSelectionFragment();
+        Bundle args = new Bundle();
+        args.putParcelable(EXTRA_ALBUM, album);
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+    @Override
+    public void onAttach(Context context) {
+        super.onAttach(context);
+        if (context instanceof SelectionProvider) {
+            mSelectionProvider = (SelectionProvider) context;
+        } else {
+            throw new IllegalStateException("Context must implement SelectionProvider.");
+        }
+        if (context instanceof AlbumMediaAdapter.CheckStateListener) {
+            mCheckStateListener = (AlbumMediaAdapter.CheckStateListener) context;
+        }
+        if (context instanceof AlbumMediaAdapter.OnMediaClickListener) {
+            mOnMediaClickListener = (AlbumMediaAdapter.OnMediaClickListener) context;
+        }
+    }
+
+    @Nullable
+    @Override
+    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container,
+                             @Nullable Bundle savedInstanceState) {
+        return inflater.inflate(R.layout.fragment_media_selection, container, false);
+    }
+
+    @Override
+    public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
+        super.onViewCreated(view, savedInstanceState);
+        mRecyclerView = (RecyclerView) view.findViewById(R.id.recyclerview);
+    }
+
+    @Override
+    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
+        super.onActivityCreated(savedInstanceState);
+        Album album = getArguments().getParcelable(EXTRA_ALBUM);
+
+        mAdapter = new AlbumMediaAdapter(getContext(),
+                mSelectionProvider.provideSelectedItemCollection(), mRecyclerView);
+        mAdapter.registerCheckStateListener(this);
+        mAdapter.registerOnMediaClickListener(this);
+        mRecyclerView.setHasFixedSize(true);
+
+        int spanCount;
+        SelectionSpec selectionSpec = SelectionSpec.getInstance();
+        if (selectionSpec.gridExpectedSize > 0) {
+            spanCount = UIUtils.spanCount(getContext(), selectionSpec.gridExpectedSize);
+        } else {
+            spanCount = selectionSpec.spanCount;
+        }
+        mRecyclerView.setLayoutManager(new GridLayoutManager(getContext(), spanCount));
+
+        int spacing = getResources().getDimensionPixelSize(R.dimen.media_grid_spacing);
+        mRecyclerView.addItemDecoration(new MediaGridInset(spanCount, spacing, false));
+        mRecyclerView.setAdapter(mAdapter);
+        mAlbumMediaCollection.onCreate(getActivity(), this);
+        mAlbumMediaCollection.load(album, selectionSpec.capture);
+    }
+
+    @Override
+    public void onDestroyView() {
+        super.onDestroyView();
+        mAlbumMediaCollection.onDestroy();
+    }
+
+    public void refreshMediaGrid() {
+        mAdapter.notifyDataSetChanged();
+    }
+
+    public void refreshSelection() {
+        mAdapter.refreshSelection();
+    }
+
+    @Override
+    public void onAlbumMediaLoad(Cursor cursor) {
+        mAdapter.swapCursor(cursor);
+    }
+
+    @Override
+    public void onAlbumMediaReset() {
+        mAdapter.swapCursor(null);
+    }
+
+    @Override
+    public void onUpdate() {
+        // notify outer Activity that check state changed
+        if (mCheckStateListener != null) {
+            mCheckStateListener.onUpdate();
+        }
+    }
+
+    @Override
+    public void onMediaClick(Album album, Item item, int adapterPosition) {
+        if (mOnMediaClickListener != null) {
+            mOnMediaClickListener.onMediaClick((Album) getArguments().getParcelable(EXTRA_ALBUM),
+                    item, adapterPosition);
+        }
+    }
+
+    public interface SelectionProvider {
+        SelectedItemCollection provideSelectedItemCollection();
+    }
+}

coalMiningApp/matisse/src/main/java/com/zhihu/matisse/internal/ui/PreviewItemFragment.java

@@ -0,0 +1,129 @@
+/*
+ * Copyright 2017 Zhihu Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.zhihu.matisse.internal.ui;
+
+import android.content.ActivityNotFoundException;
+import android.content.Context;
+import android.content.Intent;
+import android.graphics.Point;
+import android.os.Bundle;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Toast;
+
+import com.zhihu.matisse.R;
+import com.zhihu.matisse.internal.entity.Item;
+import com.zhihu.matisse.internal.entity.SelectionSpec;
+import com.zhihu.matisse.internal.utils.PhotoMetadataUtils;
+import com.zhihu.matisse.listener.OnFragmentInteractionListener;
+
+import it.sephiroth.android.library.imagezoom.ImageViewTouch;
+import it.sephiroth.android.library.imagezoom.ImageViewTouchBase;
+
+public class PreviewItemFragment extends Fragment {
+
+    private static final String ARGS_ITEM = "args_item";
+    private OnFragmentInteractionListener mListener;
+
+    public static PreviewItemFragment newInstance(Item item) {
+        PreviewItemFragment fragment = new PreviewItemFragment();
+        Bundle bundle = new Bundle();
+        bundle.putParcelable(ARGS_ITEM, item);
+        fragment.setArguments(bundle);
+        return fragment;
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        return inflater.inflate(R.layout.fragment_preview_item, container, false);
+    }
+
+    @Override
+    public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
+        super.onViewCreated(view, savedInstanceState);
+        final Item item = getArguments().getParcelable(ARGS_ITEM);
+        if (item == null) {
+            return;
+        }
+
+        View videoPlayButton = view.findViewById(R.id.video_play_button);
+        if (item.isVideo()) {
+            videoPlayButton.setVisibility(View.VISIBLE);
+            videoPlayButton.setOnClickListener(new View.OnClickListener() {
+                @Override
+                public void onClick(View v) {
+                    Intent intent = new Intent(Intent.ACTION_VIEW);
+                    intent.setDataAndType(item.uri, "video/*");
+                    try {
+                        startActivity(intent);
+                    } catch (ActivityNotFoundException e) {
+                        Toast.makeText(getContext(), R.string.error_no_video_activity, Toast.LENGTH_SHORT).show();
+                    }
+                }
+            });
+        } else {
+            videoPlayButton.setVisibility(View.GONE);
+        }
+
+        ImageViewTouch image = (ImageViewTouch) view.findViewById(R.id.image_view);
+        image.setDisplayType(ImageViewTouchBase.DisplayType.FIT_TO_SCREEN);
+
+        image.setSingleTapListener(new ImageViewTouch.OnImageViewTouchSingleTapListener() {
+            @Override
+            public void onSingleTapConfirmed() {
+                if (mListener != null) {
+                    mListener.onClick();
+                }
+            }
+        });
+
+        Point size = PhotoMetadataUtils.getBitmapSize(item.getContentUri(), getActivity());
+        if (item.isGif()) {
+            SelectionSpec.getInstance().imageEngine.loadGifImage(getContext(), size.x, size.y, image,
+                    item.getContentUri());
+        } else {
+            SelectionSpec.getInstance().imageEngine.loadImage(getContext(), size.x, size.y, image,
+                    item.getContentUri());
+        }
+    }
+
+    public void resetView() {
+        if (getView() != null) {
+            ((ImageViewTouch) getView().findViewById(R.id.image_view)).resetMatrix();
+        }
+    }
+
+
+    @Override
+    public void onAttach(Context context) {
+        super.onAttach(context);
+        if (context instanceof OnFragmentInteractionListener) {
+            mListener = (OnFragmentInteractionListener) context;
+        } else {
+            throw new RuntimeException(context.toString()
+                    + " must implement OnFragmentInteractionListener");
+        }
+    }
+
+    @Override
+    public void onDetach() {
+        super.onDetach();
+        mListener = null;
+    }
+}

coalMiningApp/matisse/src/main/java/com/zhihu/matisse/internal/ui/SelectedPreviewActivity.java

@@ -0,0 +1,51 @@
+/*
+ * Copyright 2017 Zhihu Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.zhihu.matisse.internal.ui;
+
+import android.os.Bundle;
+import androidx.annotation.Nullable;
+
+import com.zhihu.matisse.internal.entity.Item;
+import com.zhihu.matisse.internal.entity.SelectionSpec;
+import com.zhihu.matisse.internal.model.SelectedItemCollection;
+
+import java.util.List;
+
+public class SelectedPreviewActivity extends BasePreviewActivity {
+
+    @Override
+    protected void onCreate(@Nullable Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        if (!SelectionSpec.getInstance().hasInited) {
+            setResult(RESULT_CANCELED);
+            finish();
+            return;
+        }
+
+        Bundle bundle = getIntent().getBundleExtra(EXTRA_DEFAULT_BUNDLE);
+        List<Item> selected = bundle.getParcelableArrayList(SelectedItemCollection.STATE_SELECTION);
+        mAdapter.addAll(selected);
+        mAdapter.notifyDataSetChanged();
+        if (mSpec.countable) {
+            mCheckView.setCheckedNum(1);
+        } else {
+            mCheckView.setChecked(true);
+        }
+        mPreviousPos = 0;
+        updateSize(selected.get(0));
+    }
+
+}

coalMiningApp/matisse/src/main/java/com/zhihu/matisse/internal/ui/adapter/AlbumMediaAdapter.java

@@ -0,0 +1,300 @@
+/*
+ * Copyright 2017 Zhihu Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.zhihu.matisse.internal.ui.adapter;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.database.Cursor;
+import android.graphics.PorterDuff;
+import android.graphics.drawable.Drawable;
+import androidx.recyclerview.widget.GridLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import com.zhihu.matisse.R;
+import com.zhihu.matisse.internal.entity.Album;
+import com.zhihu.matisse.internal.entity.Item;
+import com.zhihu.matisse.internal.entity.SelectionSpec;
+import com.zhihu.matisse.internal.entity.IncapableCause;
+import com.zhihu.matisse.internal.model.SelectedItemCollection;
+import com.zhihu.matisse.internal.ui.widget.CheckView;
+import com.zhihu.matisse.internal.ui.widget.MediaGrid;
+
+public class AlbumMediaAdapter extends
+        RecyclerViewCursorAdapter<RecyclerView.ViewHolder> implements
+        MediaGrid.OnMediaGridClickListener {
+
+    private static final int VIEW_TYPE_CAPTURE = 0x01;
+    private static final int VIEW_TYPE_MEDIA = 0x02;
+    private final SelectedItemCollection mSelectedCollection;
+    private final Drawable mPlaceholder;
+    private SelectionSpec mSelectionSpec;
+    private CheckStateListener mCheckStateListener;
+    private OnMediaClickListener mOnMediaClickListener;
+    private RecyclerView mRecyclerView;
+    private int mImageResize;
+
+    public AlbumMediaAdapter(Context context, SelectedItemCollection selectedCollection, RecyclerView recyclerView) {
+        super(null);
+        mSelectionSpec = SelectionSpec.getInstance();
+        mSelectedCollection = selectedCollection;
+
+        TypedArray ta = context.getTheme().obtainStyledAttributes(new int[]{R.attr.item_placeholder});
+        mPlaceholder = ta.getDrawable(0);
+        ta.recycle();
+
+        mRecyclerView = recyclerView;
+    }
+
+    @Override
+    public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+        if (viewType == VIEW_TYPE_CAPTURE) {
+            View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.photo_capture_item, parent, false);
+            CaptureViewHolder holder = new CaptureViewHolder(v);
+            holder.itemView.setOnClickListener(new View.OnClickListener() {
+                @Override
+                public void onClick(View v) {
+                    if (v.getContext() instanceof OnPhotoCapture) {
+                        ((OnPhotoCapture) v.getContext()).capture();
+                    }
+                }
+            });
+            return holder;
+        } else if (viewType == VIEW_TYPE_MEDIA) {
+            View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.media_grid_item, parent, false);
+            return new MediaViewHolder(v);
+        }
+        return null;
+    }
+
+    @Override
+    protected void onBindViewHolder(final RecyclerView.ViewHolder holder, Cursor cursor) {
+        if (holder instanceof CaptureViewHolder) {
+            CaptureViewHolder captureViewHolder = (CaptureViewHolder) holder;
+            Drawable[] drawables = captureViewHolder.mHint.getCompoundDrawables();
+            TypedArray ta = holder.itemView.getContext().getTheme().obtainStyledAttributes(
+                    new int[]{R.attr.capture_textColor});
+            int color = ta.getColor(0, 0);
+            ta.recycle();
+
+            for (int i = 0; i < drawables.length; i++) {
+                Drawable drawable = drawables[i];
+                if (drawable != null) {
+                    final Drawable.ConstantState state = drawable.getConstantState();
+                    if (state == null) {
+                        continue;
+                    }
+
+                    Drawable newDrawable = state.newDrawable().mutate();
+                    newDrawable.setColorFilter(color, PorterDuff.Mode.SRC_IN);
+                    newDrawable.setBounds(drawable.getBounds());
+                    drawables[i] = newDrawable;
+                }
+            }
+            captureViewHolder.mHint.setCompoundDrawables(drawables[0], drawables[1], drawables[2], drawables[3]);
+        } else if (holder instanceof MediaViewHolder) {
+            MediaViewHolder mediaViewHolder = (MediaViewHolder) holder;
+
+            final Item item = Item.valueOf(cursor);
+            mediaViewHolder.mMediaGrid.preBindMedia(new MediaGrid.PreBindInfo(
+                    getImageResize(mediaViewHolder.mMediaGrid.getContext()),
+                    mPlaceholder,
+                    mSelectionSpec.countable,
+                    holder
+            ));
+            mediaViewHolder.mMediaGrid.bindMedia(item);
+            mediaViewHolder.mMediaGrid.setOnMediaGridClickListener(this);
+            setCheckStatus(item, mediaViewHolder.mMediaGrid);
+        }
+    }
+
+    private void setCheckStatus(Item item, MediaGrid mediaGrid) {
+        if (mSelectionSpec.countable) {
+            int checkedNum = mSelectedCollection.checkedNumOf(item);
+            if (checkedNum > 0) {
+                mediaGrid.setCheckEnabled(true);
+                mediaGrid.setCheckedNum(checkedNum);
+            } else {
+                if (mSelectedCollection.maxSelectableReached()) {
+                    mediaGrid.setCheckEnabled(false);
+                    mediaGrid.setCheckedNum(CheckView.UNCHECKED);
+                } else {
+                    mediaGrid.setCheckEnabled(true);
+                    mediaGrid.setCheckedNum(checkedNum);
+                }
+            }
+        } else {
+            boolean selected = mSelectedCollection.isSelected(item);
+            if (selected) {
+                mediaGrid.setCheckEnabled(true);
+                mediaGrid.setChecked(true);
+            } else {
+                if (mSelectedCollection.maxSelectableReached()) {
+                    mediaGrid.setCheckEnabled(false);
+                    mediaGrid.setChecked(false);
+                } else {
+                    mediaGrid.setCheckEnabled(true);
+                    mediaGrid.setChecked(false);
+                }
+            }
+        }
+    }
+
+    @Override
+    public void onThumbnailClicked(ImageView thumbnail, Item item, RecyclerView.ViewHolder holder) {
+        if (mSelectionSpec.showPreview) {
+            if (mOnMediaClickListener != null) {
+                mOnMediaClickListener.onMediaClick(null, item, holder.getAdapterPosition());
+            }
+        } else {
+            updateSelectedItem(item, holder);
+        }
+    }
+
+    @Override
+    public void onCheckViewClicked(CheckView checkView, Item item, RecyclerView.ViewHolder holder) {
+        updateSelectedItem(item, holder);
+    }
+
+    private void updateSelectedItem(Item item, RecyclerView.ViewHolder holder) {
+        if (mSelectionSpec.countable) {
+            int checkedNum = mSelectedCollection.checkedNumOf(item);
+            if (checkedNum == CheckView.UNCHECKED) {
+                if (assertAddSelection(holder.itemView.getContext(), item)) {
+                    mSelectedCollection.add(item);
+                    notifyCheckStateChanged();
+                }
+            } else {
+                mSelectedCollection.remove(item);
+                notifyCheckStateChanged();
+            }
+        } else {
+            if (mSelectedCollection.isSelected(item)) {
+                mSelectedCollection.remove(item);
+                notifyCheckStateChanged();
+            } else {
+                if (assertAddSelection(holder.itemView.getContext(), item)) {
+                    mSelectedCollection.add(item);
+                    notifyCheckStateChanged();
+                }
+            }
+        }
+    }
+
+    private void notifyCheckStateChanged() {
+        notifyDataSetChanged();
+        if (mCheckStateListener != null) {
+            mCheckStateListener.onUpdate();
+        }
+    }
+
+    @Override
+    public int getItemViewType(int position, Cursor cursor) {
+        return Item.valueOf(cursor).isCapture() ? VIEW_TYPE_CAPTURE : VIEW_TYPE_MEDIA;
+    }
+
+    private boolean assertAddSelection(Context context, Item item) {
+        IncapableCause cause = mSelectedCollection.isAcceptable(item);
+        IncapableCause.handleCause(context, cause);
+        return cause == null;
+    }
+
+
+    public void registerCheckStateListener(CheckStateListener listener) {
+        mCheckStateListener = listener;
+    }
+
+    public void unregisterCheckStateListener() {
+        mCheckStateListener = null;
+    }
+
+    public void registerOnMediaClickListener(OnMediaClickListener listener) {
+        mOnMediaClickListener = listener;
+    }
+
+    public void unregisterOnMediaClickListener() {
+        mOnMediaClickListener = null;
+    }
+
+    public void refreshSelection() {
+        GridLayoutManager layoutManager = (GridLayoutManager) mRecyclerView.getLayoutManager();
+        int first = layoutManager.findFirstVisibleItemPosition();
+        int last = layoutManager.findLastVisibleItemPosition();
+        if (first == -1 || last == -1) {
+            return;
+        }
+        Cursor cursor = getCursor();
+        for (int i = first; i <= last; i++) {
+            RecyclerView.ViewHolder holder = mRecyclerView.findViewHolderForAdapterPosition(first);
+            if (holder instanceof MediaViewHolder) {
+                if (cursor.moveToPosition(i)) {
+                    setCheckStatus(Item.valueOf(cursor), ((MediaViewHolder) holder).mMediaGrid);
+                }
+            }
+        }
+    }
+
+    private int getImageResize(Context context) {
+        if (mImageResize == 0) {
+            RecyclerView.LayoutManager lm = mRecyclerView.getLayoutManager();
+            int spanCount = ((GridLayoutManager) lm).getSpanCount();
+            int screenWidth = context.getResources().getDisplayMetrics().widthPixels;
+            int availableWidth = screenWidth - context.getResources().getDimensionPixelSize(
+                    R.dimen.media_grid_spacing) * (spanCount - 1);
+            mImageResize = availableWidth / spanCount;
+            mImageResize = (int) (mImageResize * mSelectionSpec.thumbnailScale);
+        }
+        return mImageResize;
+    }
+
+    public interface CheckStateListener {
+        void onUpdate();
+    }
+
+    public interface OnMediaClickListener {
+        void onMediaClick(Album album, Item item, int adapterPosition);
+    }
+
+    public interface OnPhotoCapture {
+        void capture();
+    }
+
+    private static class MediaViewHolder extends RecyclerView.ViewHolder {
+
+        private MediaGrid mMediaGrid;
+
+        MediaViewHolder(View itemView) {
+            super(itemView);
+            mMediaGrid = (MediaGrid) itemView;
+        }
+    }
+
+    private static class CaptureViewHolder extends RecyclerView.ViewHolder {
+
+        private TextView mHint;
+
+        CaptureViewHolder(View itemView) {
+            super(itemView);
+
+            mHint = (TextView) itemView.findViewById(R.id.hint);
+        }
+    }
+
+}

coalMiningApp/matisse/src/main/java/com/zhihu/matisse/internal/ui/adapter/AlbumsAdapter.java

@@ -0,0 +1,71 @@
+/*
+ * Copyright 2017 Zhihu Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.zhihu.matisse.internal.ui.adapter;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.database.Cursor;
+import android.graphics.drawable.Drawable;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.CursorAdapter;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import com.zhihu.matisse.R;
+import com.zhihu.matisse.internal.entity.Album;
+import com.zhihu.matisse.internal.entity.SelectionSpec;
+
+public class AlbumsAdapter extends CursorAdapter {
+
+    private final Drawable mPlaceholder;
+
+    public AlbumsAdapter(Context context, Cursor c, boolean autoRequery) {
+        super(context, c, autoRequery);
+
+        TypedArray ta = context.getTheme().obtainStyledAttributes(
+                new int[]{R.attr.album_thumbnail_placeholder});
+        mPlaceholder = ta.getDrawable(0);
+        ta.recycle();
+    }
+
+    public AlbumsAdapter(Context context, Cursor c, int flags) {
+        super(context, c, flags);
+
+        TypedArray ta = context.getTheme().obtainStyledAttributes(
+                new int[]{R.attr.album_thumbnail_placeholder});
+        mPlaceholder = ta.getDrawable(0);
+        ta.recycle();
+    }
+
+    @Override
+    public View newView(Context context, Cursor cursor, ViewGroup parent) {
+        return LayoutInflater.from(context).inflate(R.layout.album_list_item, parent, false);
+    }
+
+    @Override
+    public void bindView(View view, Context context, Cursor cursor) {
+        Album album = Album.valueOf(cursor);
+        ((TextView) view.findViewById(R.id.album_name)).setText(album.getDisplayName(context));
+        ((TextView) view.findViewById(R.id.album_media_count)).setText(String.valueOf(album.getCount()));
+
+        // do not need to load animated Gif
+        SelectionSpec.getInstance().imageEngine.loadThumbnail(context, context.getResources().getDimensionPixelSize(R
+                        .dimen.media_grid_size), mPlaceholder,
+                (ImageView) view.findViewById(R.id.album_cover), album.getCoverUri());
+    }
+}

coalMiningApp/matisse/src/main/java/com/zhihu/matisse/internal/ui/adapter/PreviewPagerAdapter.java

@@ -0,0 +1,70 @@
+/*
+ * Copyright 2017 Zhihu Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.zhihu.matisse.internal.ui.adapter;
+
+import androidx.fragment.app.Fragment;
+import androidx.fragment.app.FragmentManager;
+import androidx.fragment.app.FragmentPagerAdapter;
+import android.view.ViewGroup;
+
+import com.zhihu.matisse.internal.entity.Item;
+import com.zhihu.matisse.internal.ui.PreviewItemFragment;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class PreviewPagerAdapter extends FragmentPagerAdapter {
+
+    private ArrayList<Item> mItems = new ArrayList<>();
+    private OnPrimaryItemSetListener mListener;
+
+    public PreviewPagerAdapter(FragmentManager manager, OnPrimaryItemSetListener listener) {
+        super(manager);
+        mListener = listener;
+    }
+
+    @Override
+    public Fragment getItem(int position) {
+        return PreviewItemFragment.newInstance(mItems.get(position));
+    }
+
+    @Override
+    public int getCount() {
+        return mItems.size();
+    }
+
+    @Override
+    public void setPrimaryItem(ViewGroup container, int position, Object object) {
+        super.setPrimaryItem(container, position, object);
+        if (mListener != null) {
+            mListener.onPrimaryItemSet(position);
+        }
+    }
+
+    public Item getMediaItem(int position) {
+        return mItems.get(position);
+    }
+
+    public void addAll(List<Item> items) {
+        mItems.addAll(items);
+    }
+
+    interface OnPrimaryItemSetListener {
+
+        void onPrimaryItemSet(int position);
+    }
+
+}

coalMiningApp/matisse/src/main/java/com/zhihu/matisse/internal/ui/adapter/RecyclerViewCursorAdapter.java

@@ -0,0 +1,105 @@
+/*
+ * Copyright 2017 Zhihu Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.zhihu.matisse.internal.ui.adapter;
+
+import android.database.Cursor;
+import android.provider.MediaStore;
+import androidx.recyclerview.widget.RecyclerView;
+
+public abstract class RecyclerViewCursorAdapter<VH extends RecyclerView.ViewHolder> extends
+        RecyclerView.Adapter<VH> {
+
+    private Cursor mCursor;
+    private int mRowIDColumn;
+
+    RecyclerViewCursorAdapter(Cursor c) {
+        setHasStableIds(true);
+        swapCursor(c);
+    }
+
+    protected abstract void onBindViewHolder(VH holder, Cursor cursor);
+
+    @Override
+    public void onBindViewHolder(VH holder, int position) {
+        if (!isDataValid(mCursor)) {
+            throw new IllegalStateException("Cannot bind view holder when cursor is in invalid state.");
+        }
+        if (!mCursor.moveToPosition(position)) {
+            throw new IllegalStateException("Could not move cursor to position " + position
+                    + " when trying to bind view holder");
+        }
+
+        onBindViewHolder(holder, mCursor);
+    }
+
+    @Override
+    public int getItemViewType(int position) {
+        if (!mCursor.moveToPosition(position)) {
+            throw new IllegalStateException("Could not move cursor to position " + position
+                    + " when trying to get item view type.");
+        }
+        return getItemViewType(position, mCursor);
+    }
+
+    protected abstract int getItemViewType(int position, Cursor cursor);
+
+    @Override
+    public int getItemCount() {
+        if (isDataValid(mCursor)) {
+            return mCursor.getCount();
+        } else {
+            return 0;
+        }
+    }
+
+    @Override
+    public long getItemId(int position) {
+        if (!isDataValid(mCursor)) {
+            throw new IllegalStateException("Cannot lookup item id when cursor is in invalid state.");
+        }
+        if (!mCursor.moveToPosition(position)) {
+            throw new IllegalStateException("Could not move cursor to position " + position
+                    + " when trying to get an item id");
+        }
+
+        return mCursor.getLong(mRowIDColumn);
+    }
+
+    public void swapCursor(Cursor newCursor) {
+        if (newCursor == mCursor) {
+            return;
+        }
+
+        if (newCursor != null) {
+            mCursor = newCursor;
+            mRowIDColumn = mCursor.getColumnIndexOrThrow(MediaStore.Files.FileColumns._ID);
+            // notify the observers about the new cursor
+            notifyDataSetChanged();
+        } else {
+            notifyItemRangeRemoved(0, getItemCount());
+            mCursor = null;
+            mRowIDColumn = -1;
+        }
+    }
+
+    public Cursor getCursor() {
+        return mCursor;
+    }
+
+    private boolean isDataValid(Cursor cursor) {
+        return cursor != null && !cursor.isClosed();
+    }
+}

coalMiningApp/matisse/src/main/java/com/zhihu/matisse/internal/ui/widget/AlbumsSpinner.java

@@ -0,0 +1,129 @@
+/*
+ * Copyright 2017 Zhihu Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.zhihu.matisse.internal.ui.widget;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.database.Cursor;
+import android.graphics.PorterDuff;
+import android.graphics.drawable.Drawable;
+import androidx.annotation.NonNull;
+import androidx.appcompat.widget.ListPopupWindow;
+import android.view.View;
+import android.widget.AdapterView;
+import android.widget.CursorAdapter;
+import android.widget.TextView;
+
+import com.zhihu.matisse.R;
+import com.zhihu.matisse.internal.entity.Album;
+import com.zhihu.matisse.internal.utils.Platform;
+
+public class AlbumsSpinner {
+
+    private static final int MAX_SHOWN_COUNT = 6;
+    private CursorAdapter mAdapter;
+    private TextView mSelected;
+    private ListPopupWindow mListPopupWindow;
+    private AdapterView.OnItemSelectedListener mOnItemSelectedListener;
+
+    public AlbumsSpinner(@NonNull Context context) {
+        mListPopupWindow = new ListPopupWindow(context, null, R.attr.listPopupWindowStyle);
+        mListPopupWindow.setModal(true);
+        float density = context.getResources().getDisplayMetrics().density;
+        mListPopupWindow.setContentWidth((int) (216 * density));
+        mListPopupWindow.setHorizontalOffset((int) (16 * density));
+        mListPopupWindow.setVerticalOffset((int) (-48 * density));
+
+        mListPopupWindow.setOnItemClickListener(new AdapterView.OnItemClickListener() {
+
+            @Override
+            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
+                AlbumsSpinner.this.onItemSelected(parent.getContext(), position);
+                if (mOnItemSelectedListener != null) {
+                    mOnItemSelectedListener.onItemSelected(parent, view, position, id);
+                }
+            }
+        });
+    }
+
+    public void setOnItemSelectedListener(AdapterView.OnItemSelectedListener listener) {
+        mOnItemSelectedListener = listener;
+    }
+
+    public void setSelection(Context context, int position) {
+        mListPopupWindow.setSelection(position);
+        onItemSelected(context, position);
+    }
+
+    private void onItemSelected(Context context, int position) {
+        mListPopupWindow.dismiss();
+        Cursor cursor = mAdapter.getCursor();
+        cursor.moveToPosition(position);
+        Album album = Album.valueOf(cursor);
+        String displayName = album.getDisplayName(context);
+        if (mSelected.getVisibility() == View.VISIBLE) {
+            mSelected.setText(displayName);
+        } else {
+            if (Platform.hasICS()) {
+                mSelected.setAlpha(0.0f);
+                mSelected.setVisibility(View.VISIBLE);
+                mSelected.setText(displayName);
+                mSelected.animate().alpha(1.0f).setDuration(context.getResources().getInteger(
+                        android.R.integer.config_longAnimTime)).start();
+            } else {
+                mSelected.setVisibility(View.VISIBLE);
+                mSelected.setText(displayName);
+            }
+
+        }
+    }
+
+    public void setAdapter(CursorAdapter adapter) {
+        mListPopupWindow.setAdapter(adapter);
+        mAdapter = adapter;
+    }
+
+    public void setSelectedTextView(TextView textView) {
+        mSelected = textView;
+        // tint dropdown arrow icon
+        Drawable[] drawables = mSelected.getCompoundDrawables();
+        Drawable right = drawables[2];
+        TypedArray ta = mSelected.getContext().getTheme().obtainStyledAttributes(
+                new int[]{R.attr.album_element_color});
+        int color = ta.getColor(0, 0);
+        ta.recycle();
+        right.setColorFilter(color, PorterDuff.Mode.SRC_IN);
+
+        mSelected.setVisibility(View.GONE);
+        mSelected.setOnClickListener(new View.OnClickListener() {
+
+            @Override
+            public void onClick(View v) {
+                int itemHeight = v.getResources().getDimensionPixelSize(R.dimen.album_item_height);
+                mListPopupWindow.setHeight(
+                        mAdapter.getCount() > MAX_SHOWN_COUNT ? itemHeight * MAX_SHOWN_COUNT
+                                : itemHeight * mAdapter.getCount());
+                mListPopupWindow.show();
+            }
+        });
+        mSelected.setOnTouchListener(mListPopupWindow.createDragToOpenListener(mSelected));
+    }
+
+    public void setPopupAnchorView(View view) {
+        mListPopupWindow.setAnchorView(view);
+    }
+
+}

coalMiningApp/matisse/src/main/java/com/zhihu/matisse/internal/ui/widget/CheckRadioView.java

@@ -0,0 +1,60 @@
+package com.zhihu.matisse.internal.ui.widget;
+
+import android.content.Context;
+import android.graphics.PorterDuff;
+import android.graphics.drawable.Drawable;
+import androidx.core.content.res.ResourcesCompat;
+import androidx.appcompat.widget.AppCompatImageView;
+import android.util.AttributeSet;
+
+import com.zhihu.matisse.R;
+
+public class CheckRadioView extends AppCompatImageView {
+
+    private Drawable mDrawable;
+
+    private int mSelectedColor;
+    private int mUnSelectUdColor;
+
+    public CheckRadioView(Context context) {
+        super(context);
+        init();
+    }
+
+
+
+    public CheckRadioView(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        init();
+    }
+
+    private void init() {
+        mSelectedColor = ResourcesCompat.getColor(
+                getResources(), R.color.zhihu_item_checkCircle_backgroundColor,
+                getContext().getTheme());
+        mUnSelectUdColor = ResourcesCompat.getColor(
+                getResources(), R.color.zhihu_check_original_radio_disable,
+                getContext().getTheme());
+        setChecked(false);
+    }
+
+    public void setChecked(boolean enable) {
+        if (enable) {
+            setImageResource(R.drawable.ic_preview_radio_on);
+            mDrawable = getDrawable();
+            mDrawable.setColorFilter(mSelectedColor, PorterDuff.Mode.SRC_IN);
+        } else {
+            setImageResource(R.drawable.ic_preview_radio_off);
+            mDrawable = getDrawable();
+            mDrawable.setColorFilter(mUnSelectUdColor, PorterDuff.Mode.SRC_IN);
+        }
+    }
+
+
+    public void setColor(int color) {
+        if (mDrawable == null) {
+            mDrawable = getDrawable();
+        }
+        mDrawable.setColorFilter(color, PorterDuff.Mode.SRC_IN);
+    }
+}

coalMiningApp/matisse/src/main/java/com/zhihu/matisse/internal/ui/widget/CheckView.java

@@ -0,0 +1,229 @@
+/*
+ * Copyright 2017 Zhihu Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.zhihu.matisse.internal.ui.widget;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.graphics.Canvas;
+import android.graphics.Color;
+import android.graphics.Paint;
+import android.graphics.PorterDuff;
+import android.graphics.PorterDuffXfermode;
+import android.graphics.RadialGradient;
+import android.graphics.Rect;
+import android.graphics.Shader;
+import android.graphics.Typeface;
+import android.graphics.drawable.Drawable;
+import androidx.core.content.res.ResourcesCompat;
+import android.text.TextPaint;
+import android.util.AttributeSet;
+import android.view.View;
+
+import com.zhihu.matisse.R;
+
+public class CheckView extends View {
+
+    public static final int UNCHECKED = Integer.MIN_VALUE;
+    private static final float STROKE_WIDTH = 3.0f; // dp
+    private static final float SHADOW_WIDTH = 6.0f; // dp
+    private static final int SIZE = 48; // dp
+    private static final float STROKE_RADIUS = 11.5f; // dp
+    private static final float BG_RADIUS = 11.0f; // dp
+    private static final int CONTENT_SIZE = 16; // dp
+    private boolean mCountable;
+    private boolean mChecked;
+    private int mCheckedNum;
+    private Paint mStrokePaint;
+    private Paint mBackgroundPaint;
+    private TextPaint mTextPaint;
+    private Paint mShadowPaint;
+    private Drawable mCheckDrawable;
+    private float mDensity;
+    private Rect mCheckRect;
+    private boolean mEnabled = true;
+
+    public CheckView(Context context) {
+        super(context);
+        init(context);
+    }
+
+    public CheckView(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        init(context);
+    }
+
+    public CheckView(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+        init(context);
+    }
+
+    @Override
+    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+        // fixed size 48dp x 48dp
+        int sizeSpec = MeasureSpec.makeMeasureSpec((int) (SIZE * mDensity), MeasureSpec.EXACTLY);
+        super.onMeasure(sizeSpec, sizeSpec);
+    }
+
+    private void init(Context context) {
+        mDensity = context.getResources().getDisplayMetrics().density;
+
+        mStrokePaint = new Paint();
+        mStrokePaint.setAntiAlias(true);
+        mStrokePaint.setStyle(Paint.Style.STROKE);
+        mStrokePaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_OVER));
+        mStrokePaint.setStrokeWidth(STROKE_WIDTH * mDensity);
+        TypedArray ta = getContext().getTheme().obtainStyledAttributes(new int[]{R.attr.item_checkCircle_borderColor});
+        int defaultColor = ResourcesCompat.getColor(
+                getResources(), R.color.zhihu_item_checkCircle_borderColor,
+                getContext().getTheme());
+        int color = ta.getColor(0, defaultColor);
+        ta.recycle();
+        mStrokePaint.setColor(color);
+
+        mCheckDrawable = ResourcesCompat.getDrawable(context.getResources(),
+                R.drawable.ic_check_white_18dp, context.getTheme());
+    }
+
+    public void setChecked(boolean checked) {
+        if (mCountable) {
+            throw new IllegalStateException("CheckView is countable, call setCheckedNum() instead.");
+        }
+        mChecked = checked;
+        invalidate();
+    }
+
+    public void setCountable(boolean countable) {
+        mCountable = countable;
+    }
+
+    public void setCheckedNum(int checkedNum) {
+        if (!mCountable) {
+            throw new IllegalStateException("CheckView is not countable, call setChecked() instead.");
+        }
+        if (checkedNum != UNCHECKED && checkedNum <= 0) {
+            throw new IllegalArgumentException("checked num can't be negative.");
+        }
+        mCheckedNum = checkedNum;
+        invalidate();
+    }
+
+    public void setEnabled(boolean enabled) {
+        if (mEnabled != enabled) {
+            mEnabled = enabled;
+            invalidate();
+        }
+    }
+
+    @Override
+    protected void onDraw(Canvas canvas) {
+        super.onDraw(canvas);
+
+        // draw outer and inner shadow
+        initShadowPaint();
+        canvas.drawCircle((float) SIZE * mDensity / 2, (float) SIZE * mDensity / 2,
+                (STROKE_RADIUS + STROKE_WIDTH / 2 + SHADOW_WIDTH) * mDensity, mShadowPaint);
+
+        // draw white stroke
+        canvas.drawCircle((float) SIZE * mDensity / 2, (float) SIZE * mDensity / 2,
+                STROKE_RADIUS * mDensity, mStrokePaint);
+
+        // draw content
+        if (mCountable) {
+            if (mCheckedNum != UNCHECKED) {
+                initBackgroundPaint();
+                canvas.drawCircle((float) SIZE * mDensity / 2, (float) SIZE * mDensity / 2,
+                        BG_RADIUS * mDensity, mBackgroundPaint);
+                initTextPaint();
+                String text = String.valueOf(mCheckedNum);
+                int baseX = (int) (canvas.getWidth() - mTextPaint.measureText(text)) / 2;
+                int baseY = (int) (canvas.getHeight() - mTextPaint.descent() - mTextPaint.ascent()) / 2;
+                canvas.drawText(text, baseX, baseY, mTextPaint);
+            }
+        } else {
+            if (mChecked) {
+                initBackgroundPaint();
+                canvas.drawCircle((float) SIZE * mDensity / 2, (float) SIZE * mDensity / 2,
+                        BG_RADIUS * mDensity, mBackgroundPaint);
+
+                mCheckDrawable.setBounds(getCheckRect());
+                mCheckDrawable.draw(canvas);
+            }
+        }
+
+        // enable hint
+        setAlpha(mEnabled ? 1.0f : 0.5f);
+    }
+
+    private void initShadowPaint() {
+        if (mShadowPaint == null) {
+            mShadowPaint = new Paint();
+            mShadowPaint.setAntiAlias(true);
+            // all in dp
+            float outerRadius = STROKE_RADIUS + STROKE_WIDTH / 2;
+            float innerRadius = outerRadius - STROKE_WIDTH;
+            float gradientRadius = outerRadius + SHADOW_WIDTH;
+            float stop0 = (innerRadius - SHADOW_WIDTH) / gradientRadius;
+            float stop1 = innerRadius / gradientRadius;
+            float stop2 = outerRadius / gradientRadius;
+            float stop3 = 1.0f;
+            mShadowPaint.setShader(
+                    new RadialGradient((float) SIZE * mDensity / 2,
+                            (float) SIZE * mDensity / 2,
+                            gradientRadius * mDensity,
+                            new int[]{Color.parseColor("#00000000"), Color.parseColor("#0D000000"),
+                                    Color.parseColor("#0D000000"), Color.parseColor("#00000000")},
+                            new float[]{stop0, stop1, stop2, stop3},
+                            Shader.TileMode.CLAMP));
+        }
+    }
+
+    private void initBackgroundPaint() {
+        if (mBackgroundPaint == null) {
+            mBackgroundPaint = new Paint();
+            mBackgroundPaint.setAntiAlias(true);
+            mBackgroundPaint.setStyle(Paint.Style.FILL);
+            TypedArray ta = getContext().getTheme()
+                    .obtainStyledAttributes(new int[]{R.attr.item_checkCircle_backgroundColor});
+            int defaultColor = ResourcesCompat.getColor(
+                    getResources(), R.color.zhihu_item_checkCircle_backgroundColor,
+                    getContext().getTheme());
+            int color = ta.getColor(0, defaultColor);
+            ta.recycle();
+            mBackgroundPaint.setColor(color);
+        }
+    }
+
+    private void initTextPaint() {
+        if (mTextPaint == null) {
+            mTextPaint = new TextPaint();
+            mTextPaint.setAntiAlias(true);
+            mTextPaint.setColor(Color.WHITE);
+            mTextPaint.setTypeface(Typeface.create(Typeface.DEFAULT, Typeface.BOLD));
+            mTextPaint.setTextSize(12.0f * mDensity);
+        }
+    }
+
+    // rect for drawing checked number or mark
+    private Rect getCheckRect() {
+        if (mCheckRect == null) {
+            int rectPadding = (int) (SIZE * mDensity / 2 - CONTENT_SIZE * mDensity / 2);
+            mCheckRect = new Rect(rectPadding, rectPadding,
+                    (int) (SIZE * mDensity - rectPadding), (int) (SIZE * mDensity - rectPadding));
+        }
+
+        return mCheckRect;
+    }
+}

coalMiningApp/matisse/src/main/java/com/zhihu/matisse/internal/ui/widget/IncapableDialog.java

@@ -0,0 +1,64 @@
+/*
+ * Copyright 2017 Zhihu Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.zhihu.matisse.internal.ui.widget;
+
+import android.app.Dialog;
+import android.content.DialogInterface;
+import android.os.Bundle;
+import androidx.annotation.NonNull;
+import androidx.fragment.app.DialogFragment;
+import androidx.appcompat.app.AlertDialog;
+import android.text.TextUtils;
+
+import com.zhihu.matisse.R;
+
+public class IncapableDialog extends DialogFragment {
+
+    public static final String EXTRA_TITLE = "extra_title";
+    public static final String EXTRA_MESSAGE = "extra_message";
+
+    public static IncapableDialog newInstance(String title, String message) {
+        IncapableDialog dialog = new IncapableDialog();
+        Bundle args = new Bundle();
+        args.putString(EXTRA_TITLE, title);
+        args.putString(EXTRA_MESSAGE, message);
+        dialog.setArguments(args);
+        return dialog;
+    }
+
+    @NonNull
+    @Override
+    public Dialog onCreateDialog(Bundle savedInstanceState) {
+        String title = getArguments().getString(EXTRA_TITLE);
+        String message = getArguments().getString(EXTRA_MESSAGE);
+
+        AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
+        if (!TextUtils.isEmpty(title)) {
+            builder.setTitle(title);
+        }
+        if (!TextUtils.isEmpty(message)) {
+            builder.setMessage(message);
+        }
+        builder.setPositiveButton(R.string.button_ok, new DialogInterface.OnClickListener() {
+            @Override
+            public void onClick(DialogInterface dialog, int which) {
+                dialog.dismiss();
+            }
+        });
+
+        return builder.create();
+    }
+}

coalMiningApp/matisse/src/main/java/com/zhihu/matisse/internal/ui/widget/MediaGrid.java

@@ -0,0 +1,161 @@
+/*
+ * Copyright 2017 Zhihu Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.zhihu.matisse.internal.ui.widget;
+
+import android.content.Context;
+import android.graphics.drawable.Drawable;
+import androidx.recyclerview.widget.RecyclerView;
+import android.text.format.DateUtils;
+import android.util.AttributeSet;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import com.zhihu.matisse.R;
+import com.zhihu.matisse.internal.entity.Item;
+import com.zhihu.matisse.internal.entity.SelectionSpec;
+
+public class MediaGrid extends SquareFrameLayout implements View.OnClickListener {
+
+    private ImageView mThumbnail;
+    private CheckView mCheckView;
+    private ImageView mGifTag;
+    private TextView mVideoDuration;
+
+    private Item mMedia;
+    private PreBindInfo mPreBindInfo;
+    private OnMediaGridClickListener mListener;
+
+    public MediaGrid(Context context) {
+        super(context);
+        init(context);
+    }
+
+    public MediaGrid(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        init(context);
+    }
+
+    private void init(Context context) {
+        LayoutInflater.from(context).inflate(R.layout.media_grid_content, this, true);
+
+        mThumbnail = (ImageView) findViewById(R.id.media_thumbnail);
+        mCheckView = (CheckView) findViewById(R.id.check_view);
+        mGifTag = (ImageView) findViewById(R.id.gif);
+        mVideoDuration = (TextView) findViewById(R.id.video_duration);
+
+        mThumbnail.setOnClickListener(this);
+        mCheckView.setOnClickListener(this);
+    }
+
+    @Override
+    public void onClick(View v) {
+        if (mListener != null) {
+            if (v == mThumbnail) {
+                mListener.onThumbnailClicked(mThumbnail, mMedia, mPreBindInfo.mViewHolder);
+            } else if (v == mCheckView) {
+                mListener.onCheckViewClicked(mCheckView, mMedia, mPreBindInfo.mViewHolder);
+            }
+        }
+    }
+
+    public void preBindMedia(PreBindInfo info) {
+        mPreBindInfo = info;
+    }
+
+    public void bindMedia(Item item) {
+        mMedia = item;
+        setGifTag();
+        initCheckView();
+        setImage();
+        setVideoDuration();
+    }
+
+    public Item getMedia() {
+        return mMedia;
+    }
+
+    private void setGifTag() {
+        mGifTag.setVisibility(mMedia.isGif() ? View.VISIBLE : View.GONE);
+    }
+
+    private void initCheckView() {
+        mCheckView.setCountable(mPreBindInfo.mCheckViewCountable);
+    }
+
+    public void setCheckEnabled(boolean enabled) {
+        mCheckView.setEnabled(enabled);
+    }
+
+    public void setCheckedNum(int checkedNum) {
+        mCheckView.setCheckedNum(checkedNum);
+    }
+
+    public void setChecked(boolean checked) {
+        mCheckView.setChecked(checked);
+    }
+
+    private void setImage() {
+        if (mMedia.isGif()) {
+            SelectionSpec.getInstance().imageEngine.loadGifThumbnail(getContext(), mPreBindInfo.mResize,
+                    mPreBindInfo.mPlaceholder, mThumbnail, mMedia.getContentUri());
+        } else {
+            SelectionSpec.getInstance().imageEngine.loadThumbnail(getContext(), mPreBindInfo.mResize,
+                    mPreBindInfo.mPlaceholder, mThumbnail, mMedia.getContentUri());
+        }
+    }
+
+    private void setVideoDuration() {
+        if (mMedia.isVideo()) {
+            mVideoDuration.setVisibility(VISIBLE);
+            mVideoDuration.setText(DateUtils.formatElapsedTime(mMedia.duration / 1000));
+        } else {
+            mVideoDuration.setVisibility(GONE);
+        }
+    }
+
+    public void setOnMediaGridClickListener(OnMediaGridClickListener listener) {
+        mListener = listener;
+    }
+
+    public void removeOnMediaGridClickListener() {
+        mListener = null;
+    }
+
+    public interface OnMediaGridClickListener {
+
+        void onThumbnailClicked(ImageView thumbnail, Item item, RecyclerView.ViewHolder holder);
+
+        void onCheckViewClicked(CheckView checkView, Item item, RecyclerView.ViewHolder holder);
+    }
+
+    public static class PreBindInfo {
+        int mResize;
+        Drawable mPlaceholder;
+        boolean mCheckViewCountable;
+        RecyclerView.ViewHolder mViewHolder;
+
+        public PreBindInfo(int resize, Drawable placeholder, boolean checkViewCountable,
+                           RecyclerView.ViewHolder viewHolder) {
+            mResize = resize;
+            mPlaceholder = placeholder;
+            mCheckViewCountable = checkViewCountable;
+            mViewHolder = viewHolder;
+        }
+    }
+
+}

coalMiningApp/matisse/src/main/java/com/zhihu/matisse/internal/ui/widget/MediaGridInset.java

@@ -0,0 +1,60 @@
+/*
+ * Copyright 2017 Zhihu Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.zhihu.matisse.internal.ui.widget;
+
+import android.graphics.Rect;
+import androidx.recyclerview.widget.RecyclerView;
+import android.view.View;
+
+public class MediaGridInset extends RecyclerView.ItemDecoration {
+
+    private int mSpanCount;
+    private int mSpacing;
+    private boolean mIncludeEdge;
+
+    public MediaGridInset(int spanCount, int spacing, boolean includeEdge) {
+        this.mSpanCount = spanCount;
+        this.mSpacing = spacing;
+        this.mIncludeEdge = includeEdge;
+    }
+
+    @Override
+    public void getItemOffsets(Rect outRect, View view, RecyclerView parent,
+                               RecyclerView.State state) {
+        int position = parent.getChildAdapterPosition(view); // item position
+        int column = position % mSpanCount; // item column
+
+        if (mIncludeEdge) {
+            // spacing - column * ((1f / spanCount) * spacing)
+            outRect.left = mSpacing - column * mSpacing / mSpanCount;
+            // (column + 1) * ((1f / spanCount) * spacing)
+            outRect.right = (column + 1) * mSpacing / mSpanCount;
+
+            if (position < mSpanCount) { // top edge
+                outRect.top = mSpacing;
+            }
+            outRect.bottom = mSpacing; // item bottom
+        } else {
+            // column * ((1f / spanCount) * spacing)
+            outRect.left = column * mSpacing / mSpanCount;
+            // spacing - (column + 1) * ((1f / spanCount) * spacing)
+            outRect.right = mSpacing - (column + 1) * mSpacing / mSpanCount;
+            if (position >= mSpanCount) {
+                outRect.top = mSpacing; // item top
+            }
+        }
+    }
+}

coalMiningApp/matisse/src/main/java/com/zhihu/matisse/internal/ui/widget/PreviewViewPager.java

@@ -0,0 +1,38 @@
+/*
+ * Copyright 2017 Zhihu Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.zhihu.matisse.internal.ui.widget;
+
+import android.content.Context;
+import androidx.viewpager.widget.ViewPager;
+import android.util.AttributeSet;
+import android.view.View;
+
+import it.sephiroth.android.library.imagezoom.ImageViewTouch;
+
+public class PreviewViewPager extends ViewPager {
+
+    public PreviewViewPager(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    @Override
+    protected boolean canScroll(View v, boolean checkV, int dx, int x, int y) {
+        if (v instanceof ImageViewTouch) {
+            return ((ImageViewTouch) v).canScroll(dx) || super.canScroll(v, checkV, dx, x, y);
+        }
+        return super.canScroll(v, checkV, dx, x, y);
+    }
+}

coalMiningApp/matisse/src/main/java/com/zhihu/matisse/internal/ui/widget/RoundedRectangleImageView.java

@@ -0,0 +1,65 @@
+/*
+ * Copyright 2017 Zhihu Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.zhihu.matisse.internal.ui.widget;
+
+import android.content.Context;
+import android.graphics.Canvas;
+import android.graphics.Path;
+import android.graphics.RectF;
+import androidx.appcompat.widget.AppCompatImageView;
+import android.util.AttributeSet;
+
+public class RoundedRectangleImageView extends AppCompatImageView {
+
+    private float mRadius; // dp
+    private Path mRoundedRectPath;
+    private RectF mRectF;
+
+    public RoundedRectangleImageView(Context context) {
+        super(context);
+        init(context);
+    }
+
+    public RoundedRectangleImageView(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        init(context);
+    }
+
+    public RoundedRectangleImageView(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+        init(context);
+    }
+
+    private void init(Context context) {
+        float density = context.getResources().getDisplayMetrics().density;
+        mRadius = 2.0f * density;
+        mRoundedRectPath = new Path();
+        mRectF = new RectF();
+    }
+
+    @Override
+    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
+        mRectF.set(0.0f, 0.0f, getMeasuredWidth(), getMeasuredHeight());
+        mRoundedRectPath.addRoundRect(mRectF, mRadius, mRadius, Path.Direction.CW);
+    }
+
+    @Override
+    protected void onDraw(Canvas canvas) {
+        canvas.clipPath(mRoundedRectPath);
+        super.onDraw(canvas);
+    }
+}

coalMiningApp/matisse/src/main/java/com/zhihu/matisse/internal/ui/widget/SquareFrameLayout.java

@@ -0,0 +1,36 @@
+/*
+ * Copyright 2017 Zhihu Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.zhihu.matisse.internal.ui.widget;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.widget.FrameLayout;
+
+public class SquareFrameLayout extends FrameLayout {
+
+    public SquareFrameLayout(Context context) {
+        super(context);
+    }
+
+    public SquareFrameLayout(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    @Override
+    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+        super.onMeasure(widthMeasureSpec, widthMeasureSpec);
+    }
+}

coalMiningApp/matisse/src/main/java/com/zhihu/matisse/internal/utils/ExifInterfaceCompat.java

@@ -0,0 +1,131 @@
+/*
+ * Copyright 2017 Zhihu Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.zhihu.matisse.internal.utils;
+
+import android.media.ExifInterface;
+import android.text.TextUtils;
+import android.util.Log;
+
+import java.io.IOException;
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.TimeZone;
+
+/**
+ * Bug fixture for ExifInterface constructor.
+ */
+final class ExifInterfaceCompat {
+    private static final String TAG = ExifInterfaceCompat.class.getSimpleName();
+    private static final int EXIF_DEGREE_FALLBACK_VALUE = -1;
+
+    /**
+     * Do not instantiate this class.
+     */
+    private ExifInterfaceCompat() {
+    }
+
+    /**
+     * Creates new instance of {@link ExifInterface}.
+     * Original constructor won't check filename value, so if null value has been passed,
+     * the process will be killed because of SIGSEGV.
+     * Google Play crash report system cannot perceive this crash, so this method will throw
+     * {@link NullPointerException} when the filename is null.
+     *
+     * @param filename a JPEG filename.
+     * @return {@link ExifInterface} instance.
+     * @throws IOException something wrong with I/O.
+     */
+    public static ExifInterface newInstance(String filename) throws IOException {
+        if (filename == null) throw new NullPointerException("filename should not be null");
+        return new ExifInterface(filename);
+    }
+
+    private static Date getExifDateTime(String filepath) {
+        ExifInterface exif;
+        try {
+            // ExifInterface does not check whether file path is null or not,
+            // so passing null file path argument to its constructor causing SIGSEGV.
+            // We should avoid such a situation by checking file path string.
+            exif = newInstance(filepath);
+        } catch (IOException ex) {
+            Log.e(TAG, "cannot read exif", ex);
+            return null;
+        }
+
+        String date = exif.getAttribute(ExifInterface.TAG_DATETIME);
+        if (TextUtils.isEmpty(date)) {
+            return null;
+        }
+        try {
+            SimpleDateFormat formatter = new SimpleDateFormat("yyyy:MM:dd HH:mm:ss");
+            formatter.setTimeZone(TimeZone.getTimeZone("UTC"));
+            return formatter.parse(date);
+        } catch (ParseException e) {
+            Log.d(TAG, "failed to parse date taken", e);
+        }
+        return null;
+    }
+
+    /**
+     * Read exif info and get datetime value of the photo.
+     *
+     * @param filepath to get datetime
+     * @return when a photo taken.
+     */
+    public static long getExifDateTimeInMillis(String filepath) {
+        Date datetime = getExifDateTime(filepath);
+        if (datetime == null) {
+            return -1;
+        }
+        return datetime.getTime();
+    }
+
+    /**
+     * Read exif info and get orientation value of the photo.
+     *
+     * @param filepath to get exif.
+     * @return exif orientation value
+     */
+    public static int getExifOrientation(String filepath) {
+        ExifInterface exif;
+        try {
+            // ExifInterface does not check whether file path is null or not,
+            // so passing null file path argument to its constructor causing SIGSEGV.
+            // We should avoid such a situation by checking file path string.
+            exif = newInstance(filepath);
+        } catch (IOException ex) {
+            Log.e(TAG, "cannot read exif", ex);
+            return EXIF_DEGREE_FALLBACK_VALUE;
+        }
+
+        int orientation = exif.getAttributeInt(ExifInterface.TAG_ORIENTATION, EXIF_DEGREE_FALLBACK_VALUE);
+        if (orientation == EXIF_DEGREE_FALLBACK_VALUE) {
+            return 0;
+        }
+        // We only recognize a subset of orientation tag values.
+        switch (orientation) {
+            case ExifInterface.ORIENTATION_ROTATE_90:
+                return 90;
+            case ExifInterface.ORIENTATION_ROTATE_180:
+                return 180;
+            case ExifInterface.ORIENTATION_ROTATE_270:
+                return 270;
+            default:
+                return 0;
+        }
+    }
+}

coalMiningApp/matisse/src/main/java/com/zhihu/matisse/internal/utils/MediaStoreCompat.java

@@ -0,0 +1,145 @@
+/*
+ * Copyright 2017 Zhihu Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.zhihu.matisse.internal.utils;
+
+import android.app.Activity;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.net.Uri;
+import android.os.Build;
+import android.os.Environment;
+import android.provider.MediaStore;
+import androidx.fragment.app.Fragment;
+import androidx.core.content.FileProvider;
+import androidx.core.os.EnvironmentCompat;
+
+import com.zhihu.matisse.internal.entity.CaptureStrategy;
+
+import java.io.File;
+import java.io.IOException;
+import java.lang.ref.WeakReference;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.List;
+import java.util.Locale;
+
+public class MediaStoreCompat {
+
+    private final WeakReference<Activity> mContext;
+    private final WeakReference<Fragment> mFragment;
+    private       CaptureStrategy         mCaptureStrategy;
+    private       Uri                     mCurrentPhotoUri;
+    private       String                  mCurrentPhotoPath;
+
+    public MediaStoreCompat(Activity activity) {
+        mContext = new WeakReference<>(activity);
+        mFragment = null;
+    }
+
+    public MediaStoreCompat(Activity activity, Fragment fragment) {
+        mContext = new WeakReference<>(activity);
+        mFragment = new WeakReference<>(fragment);
+    }
+
+    /**
+     * Checks whether the device has a camera feature or not.
+     *
+     * @param context a context to check for camera feature.
+     * @return true if the device has a camera feature. false otherwise.
+     */
+    public static boolean hasCameraFeature(Context context) {
+        PackageManager pm = context.getApplicationContext().getPackageManager();
+        return pm.hasSystemFeature(PackageManager.FEATURE_CAMERA);
+    }
+
+    public void setCaptureStrategy(CaptureStrategy strategy) {
+        mCaptureStrategy = strategy;
+    }
+
+    public void dispatchCaptureIntent(Context context, int requestCode) {
+        Intent captureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
+        if (captureIntent.resolveActivity(context.getPackageManager()) != null) {
+            File photoFile = null;
+            try {
+                photoFile = createImageFile();
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+
+            if (photoFile != null) {
+                mCurrentPhotoPath = photoFile.getAbsolutePath();
+                mCurrentPhotoUri = FileProvider.getUriForFile(mContext.get(),
+                        mCaptureStrategy.authority, photoFile);
+                captureIntent.putExtra(MediaStore.EXTRA_OUTPUT, mCurrentPhotoUri);
+                captureIntent.addFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
+                if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
+                    List<ResolveInfo> resInfoList = context.getPackageManager()
+                            .queryIntentActivities(captureIntent, PackageManager.MATCH_DEFAULT_ONLY);
+                    for (ResolveInfo resolveInfo : resInfoList) {
+                        String packageName = resolveInfo.activityInfo.packageName;
+                        context.grantUriPermission(packageName, mCurrentPhotoUri,
+                                Intent.FLAG_GRANT_WRITE_URI_PERMISSION | Intent.FLAG_GRANT_READ_URI_PERMISSION);
+                    }
+                }
+                if (mFragment != null) {
+                    mFragment.get().startActivityForResult(captureIntent, requestCode);
+                } else {
+                    mContext.get().startActivityForResult(captureIntent, requestCode);
+                }
+            }
+        }
+    }
+
+    @SuppressWarnings("ResultOfMethodCallIgnored")
+    private File createImageFile() throws IOException {
+        // Create an image file name
+        String timeStamp =
+                new SimpleDateFormat("yyyyMMdd_HHmmss", Locale.getDefault()).format(new Date());
+        String imageFileName = String.format("JPEG_%s.jpg", timeStamp);
+        File storageDir;
+        if (mCaptureStrategy.isPublic) {
+            storageDir = Environment.getExternalStoragePublicDirectory(
+                    Environment.DIRECTORY_PICTURES);
+            if (!storageDir.exists()) storageDir.mkdirs();
+        } else {
+            storageDir = mContext.get().getExternalFilesDir(Environment.DIRECTORY_PICTURES);
+        }
+        if (mCaptureStrategy.directory != null) {
+            storageDir = new File(storageDir, mCaptureStrategy.directory);
+            if (!storageDir.exists()) storageDir.mkdirs();
+        }
+
+        // Avoid joining path components manually
+        File tempFile = new File(storageDir, imageFileName);
+
+        // Handle the situation that user's external storage is not ready
+        if (!Environment.MEDIA_MOUNTED.equals(EnvironmentCompat.getStorageState(tempFile))) {
+            return null;
+        }
+
+        return tempFile;
+    }
+
+    public Uri getCurrentPhotoUri() {
+        return mCurrentPhotoUri;
+    }
+
+    public String getCurrentPhotoPath() {
+        return mCurrentPhotoPath;
+    }
+}

coalMiningApp/matisse/src/main/java/com/zhihu/matisse/internal/utils/PathUtils.java

@@ -0,0 +1,135 @@
+package com.zhihu.matisse.internal.utils;
+
+import android.annotation.TargetApi;
+import android.content.ContentUris;
+import android.content.Context;
+import android.database.Cursor;
+import android.net.Uri;
+import android.os.Build;
+import android.os.Environment;
+import android.provider.DocumentsContract;
+import android.provider.MediaStore;
+
+/**
+ * http://stackoverflow.com/a/27271131/4739220
+ */
+
+public class PathUtils {
+    /**
+     * Get a file path from a Uri. This will get the the path for Storage Access
+     * Framework Documents, as well as the _data field for the MediaStore and
+     * other file-based ContentProviders.
+     *
+     * @param context The context.
+     * @param uri     The Uri to query.
+     * @author paulburke
+     */
+    @TargetApi(Build.VERSION_CODES.KITKAT)
+    public static String getPath(final Context context, final Uri uri) {
+        // DocumentProvider
+        if (Platform.hasKitKat() && DocumentsContract.isDocumentUri(context, uri)) {
+            // ExternalStorageProvider
+            if (isExternalStorageDocument(uri)) {
+                final String docId = DocumentsContract.getDocumentId(uri);
+                final String[] split = docId.split(":");
+                final String type = split[0];
+
+                if ("primary".equalsIgnoreCase(type)) {
+                    return Environment.getExternalStorageDirectory() + "/" + split[1];
+                }
+
+                // TODO handle non-primary volumes
+            } else if (isDownloadsDocument(uri)) { // DownloadsProvider
+
+                final String id = DocumentsContract.getDocumentId(uri);
+                final Uri contentUri = ContentUris.withAppendedId(
+                        Uri.parse("content://downloads/public_downloads"), Long.valueOf(id));
+
+                return getDataColumn(context, contentUri, null, null);
+            } else if (isMediaDocument(uri)) { // MediaProvider
+                final String docId = DocumentsContract.getDocumentId(uri);
+                final String[] split = docId.split(":");
+                final String type = split[0];
+
+                Uri contentUri = null;
+                if ("image".equals(type)) {
+                    contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
+                } else if ("video".equals(type)) {
+                    contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
+                } else if ("audio".equals(type)) {
+                    contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
+                }
+
+                final String selection = "_id=?";
+                final String[] selectionArgs = new String[]{
+                        split[1]
+                };
+
+                return getDataColumn(context, contentUri, selection, selectionArgs);
+            }
+        } else if ("content".equalsIgnoreCase(uri.getScheme())) { // MediaStore (and general)
+            return getDataColumn(context, uri, null, null);
+        } else if ("file".equalsIgnoreCase(uri.getScheme())) { // File
+            return uri.getPath();
+        }
+
+        return null;
+    }
+
+    /**
+     * Get the value of the data column for this Uri. This is useful for
+     * MediaStore Uris, and other file-based ContentProviders.
+     *
+     * @param context       The context.
+     * @param uri           The Uri to query.
+     * @param selection     (Optional) Filter used in the query.
+     * @param selectionArgs (Optional) Selection arguments used in the query.
+     * @return The value of the _data column, which is typically a file path.
+     */
+    public static String getDataColumn(Context context, Uri uri, String selection,
+                                       String[] selectionArgs) {
+
+        Cursor cursor = null;
+        final String column = "_data";
+        final String[] projection = {
+                column
+        };
+
+        try {
+            cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs, null);
+            if (cursor != null && cursor.moveToFirst()) {
+                final int columnIndex = cursor.getColumnIndexOrThrow(column);
+                return cursor.getString(columnIndex);
+            }
+        } finally {
+            if (cursor != null)
+                cursor.close();
+        }
+        return null;
+    }
+
+
+    /**
+     * @param uri The Uri to check.
+     * @return Whether the Uri authority is ExternalStorageProvider.
+     */
+    public static boolean isExternalStorageDocument(Uri uri) {
+        return "com.android.externalstorage.documents".equals(uri.getAuthority());
+    }
+
+    /**
+     * @param uri The Uri to check.
+     * @return Whether the Uri authority is DownloadsProvider.
+     */
+    public static boolean isDownloadsDocument(Uri uri) {
+        return "com.android.providers.downloads.documents".equals(uri.getAuthority());
+    }
+
+    /**
+     * @param uri The Uri to check.
+     * @return Whether the Uri authority is MediaProvider.
+     */
+    public static boolean isMediaDocument(Uri uri) {
+        return "com.android.providers.media.documents".equals(uri.getAuthority());
+    }
+}

coalMiningApp/matisse/src/main/java/com/zhihu/matisse/internal/utils/PhotoMetadataUtils.java

@@ -0,0 +1,178 @@
+/*
+ * Copyright (C) 2014 nohana, Inc.
+ * Copyright 2017 Zhihu Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.zhihu.matisse.internal.utils;
+
+import android.app.Activity;
+import android.content.ContentResolver;
+import android.content.Context;
+import android.database.Cursor;
+import android.graphics.BitmapFactory;
+import android.graphics.Point;
+import android.media.ExifInterface;
+import android.net.Uri;
+import android.provider.MediaStore;
+import android.util.DisplayMetrics;
+import android.util.Log;
+
+import com.zhihu.matisse.MimeType;
+import com.zhihu.matisse.R;
+import com.zhihu.matisse.filter.Filter;
+import com.zhihu.matisse.internal.entity.Item;
+import com.zhihu.matisse.internal.entity.SelectionSpec;
+import com.zhihu.matisse.internal.entity.IncapableCause;
+
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStream;
+import java.text.DecimalFormat;
+import java.text.NumberFormat;
+import java.util.Locale;
+
+public final class PhotoMetadataUtils {
+    private static final String TAG = PhotoMetadataUtils.class.getSimpleName();
+    private static final int MAX_WIDTH = 1600;
+    private static final String SCHEME_CONTENT = "content";
+
+    private PhotoMetadataUtils() {
+        throw new AssertionError("oops! the utility class is about to be instantiated...");
+    }
+
+    public static int getPixelsCount(ContentResolver resolver, Uri uri) {
+        Point size = getBitmapBound(resolver, uri);
+        return size.x * size.y;
+    }
+
+    public static Point getBitmapSize(Uri uri, Activity activity) {
+        ContentResolver resolver = activity.getContentResolver();
+        Point imageSize = getBitmapBound(resolver, uri);
+        int w = imageSize.x;
+        int h = imageSize.y;
+        if (PhotoMetadataUtils.shouldRotate(resolver, uri)) {
+            w = imageSize.y;
+            h = imageSize.x;
+        }
+        if (h == 0) return new Point(MAX_WIDTH, MAX_WIDTH);
+        DisplayMetrics metrics = new DisplayMetrics();
+        activity.getWindowManager().getDefaultDisplay().getMetrics(metrics);
+        float screenWidth = (float) metrics.widthPixels;
+        float screenHeight = (float) metrics.heightPixels;
+        float widthScale = screenWidth / w;
+        float heightScale = screenHeight / h;
+        if (widthScale > heightScale) {
+            return new Point((int) (w * widthScale), (int) (h * heightScale));
+        }
+        return new Point((int) (w * widthScale), (int) (h * heightScale));
+    }
+
+    public static Point getBitmapBound(ContentResolver resolver, Uri uri) {
+        InputStream is = null;
+        try {
+            BitmapFactory.Options options = new BitmapFactory.Options();
+            options.inJustDecodeBounds = true;
+            is = resolver.openInputStream(uri);
+            BitmapFactory.decodeStream(is, null, options);
+            int width = options.outWidth;
+            int height = options.outHeight;
+            return new Point(width, height);
+        } catch (FileNotFoundException e) {
+            return new Point(0, 0);
+        } finally {
+            if (is != null) {
+                try {
+                    is.close();
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+            }
+        }
+    }
+
+    public static String getPath(ContentResolver resolver, Uri uri) {
+        if (uri == null) {
+            return null;
+        }
+
+        if (SCHEME_CONTENT.equals(uri.getScheme())) {
+            Cursor cursor = null;
+            try {
+                cursor = resolver.query(uri, new String[]{MediaStore.Images.ImageColumns.DATA},
+                        null, null, null);
+                if (cursor == null || !cursor.moveToFirst()) {
+                    return null;
+                }
+                return cursor.getString(cursor.getColumnIndex(MediaStore.Images.ImageColumns.DATA));
+            } finally {
+                if (cursor != null) {
+                    cursor.close();
+                }
+            }
+        }
+        return uri.getPath();
+    }
+
+    public static IncapableCause isAcceptable(Context context, Item item) {
+        if (!isSelectableType(context, item)) {
+            return new IncapableCause(context.getString(R.string.error_file_type));
+        }
+
+        if (SelectionSpec.getInstance().filters != null) {
+            for (Filter filter : SelectionSpec.getInstance().filters) {
+                IncapableCause incapableCause = filter.filter(context, item);
+                if (incapableCause != null) {
+                    return incapableCause;
+                }
+            }
+        }
+        return null;
+    }
+
+    private static boolean isSelectableType(Context context, Item item) {
+        if (context == null) {
+            return false;
+        }
+
+        ContentResolver resolver = context.getContentResolver();
+        for (MimeType type : SelectionSpec.getInstance().mimeTypeSet) {
+            if (type.checkType(resolver, item.getContentUri())) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    private static boolean shouldRotate(ContentResolver resolver, Uri uri) {
+        ExifInterface exif;
+        try {
+            exif = ExifInterfaceCompat.newInstance(getPath(resolver, uri));
+        } catch (IOException e) {
+            Log.e(TAG, "could not read exif info of the image: " + uri);
+            return false;
+        }
+        int orientation = exif.getAttributeInt(ExifInterface.TAG_ORIENTATION, -1);
+        return orientation == ExifInterface.ORIENTATION_ROTATE_90
+                || orientation == ExifInterface.ORIENTATION_ROTATE_270;
+    }
+
+    public static float getSizeInMB(long sizeInBytes) {
+        DecimalFormat df = (DecimalFormat) NumberFormat.getNumberInstance(Locale.US);
+        df.applyPattern("0.0");
+        String result = df.format((float) sizeInBytes / 1024 / 1024);
+        Log.e(TAG, "getSizeInMB: " + result);
+        result = result.replaceAll(",", "."); // in some case , 0.0 will be 0,0
+        return Float.valueOf(result);
+    }
+}

coalMiningApp/matisse/src/main/java/com/zhihu/matisse/internal/utils/Platform.java

@@ -0,0 +1,16 @@
+package com.zhihu.matisse.internal.utils;
+
+import android.os.Build;
+
+/**
+ * @author JoongWon Baik
+ */
+public class Platform {
+    public static boolean hasICS() {
+        return Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH;
+    }
+
+    public static boolean hasKitKat() {
+        return Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;
+    }
+}

coalMiningApp/matisse/src/main/java/com/zhihu/matisse/internal/utils/SingleMediaScanner.java

@@ -0,0 +1,44 @@
+package com.zhihu.matisse.internal.utils;
+
+import android.content.Context;
+import android.media.MediaScannerConnection;
+import android.net.Uri;
+
+/**
+ * @author 工藤
+ * @email gougou@16fan.com
+ * create at 2018年10月23日12:17:59
+ * description:媒体扫描
+ */
+public class SingleMediaScanner implements MediaScannerConnection.MediaScannerConnectionClient {
+
+    private MediaScannerConnection mMsc;
+    private String mPath;
+    private ScanListener mListener;
+
+    public interface ScanListener {
+
+        /**
+         * scan finish
+         */
+        void onScanFinish();
+    }
+
+    public SingleMediaScanner(Context context, String mPath, ScanListener mListener) {
+        this.mPath = mPath;
+        this.mListener = mListener;
+        this.mMsc = new MediaScannerConnection(context, this);
+        this.mMsc.connect();
+    }
+
+    @Override public void onMediaScannerConnected() {
+        mMsc.scanFile(mPath, null);
+    }
+
+    @Override public void onScanCompleted(String mPath, Uri mUri) {
+        mMsc.disconnect();
+        if (mListener != null) {
+            mListener.onScanFinish();
+        }
+    }
+}

coalMiningApp/matisse/src/main/java/com/zhihu/matisse/internal/utils/UIUtils.java

@@ -0,0 +1,32 @@
+/*
+ * Copyright 2017 Zhihu Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.zhihu.matisse.internal.utils;
+
+import android.content.Context;
+
+public class UIUtils {
+
+    public static int spanCount(Context context, int gridExpectedSize) {
+        int screenWidth = context.getResources().getDisplayMetrics().widthPixels;
+        float expected = (float) screenWidth / (float) gridExpectedSize;
+        int spanCount = Math.round(expected);
+        if (spanCount == 0) {
+            spanCount = 1;
+        }
+        return spanCount;
+    }
+
+}

coalMiningApp/matisse/src/main/java/com/zhihu/matisse/listener/OnCheckedListener.java

@@ -0,0 +1,9 @@
+package com.zhihu.matisse.listener;
+
+
+/**
+ *  when original is enabled , callback immediately when user check or uncheck original.
+ */
+public interface OnCheckedListener {
+    void onCheck(boolean isChecked);
+}

coalMiningApp/matisse/src/main/java/com/zhihu/matisse/listener/OnFragmentInteractionListener.java

@@ -0,0 +1,11 @@
+package com.zhihu.matisse.listener;
+
+/**
+ *  PreViewItemFragment 和  BasePreViewActivity 通信的接口 ，为了方便拿到 ImageViewTouch 的点击事件
+ */
+public interface OnFragmentInteractionListener {
+    /**
+     *  ImageViewTouch 被点击了
+     */
+    void onClick();
+}

coalMiningApp/matisse/src/main/java/com/zhihu/matisse/listener/OnSelectedListener.java

@@ -0,0 +1,30 @@
+/*
+ * Copyright 2017 Zhihu Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.zhihu.matisse.listener;
+
+import android.net.Uri;
+import androidx.annotation.NonNull;
+
+import java.util.List;
+
+public interface OnSelectedListener {
+    /**
+     * @param uriList the selected item {@link Uri} list.
+     * @param pathList the selected item file path list.
+     */
+    void onSelected(@NonNull List<Uri> uriList, @NonNull List<String> pathList);
+}

coalMiningApp/matisse/src/main/java/com/zhihu/matisse/ui/MatisseActivity.java

@@ -0,0 +1,437 @@
+/*
+ * Copyright 2017 Zhihu Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.zhihu.matisse.ui;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.content.res.TypedArray;
+import android.database.Cursor;
+import android.graphics.PorterDuff;
+import android.graphics.drawable.Drawable;
+import android.net.Uri;
+import android.os.Build;
+import android.os.Bundle;
+import android.os.Handler;
+import android.os.Looper;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+import androidx.appcompat.app.ActionBar;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.widget.Toolbar;
+
+import android.util.Log;
+import android.view.MenuItem;
+import android.view.View;
+import android.widget.AdapterView;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+
+import com.zhihu.matisse.R;
+import com.zhihu.matisse.internal.entity.Album;
+import com.zhihu.matisse.internal.entity.Item;
+import com.zhihu.matisse.internal.entity.SelectionSpec;
+import com.zhihu.matisse.internal.model.AlbumCollection;
+import com.zhihu.matisse.internal.model.SelectedItemCollection;
+import com.zhihu.matisse.internal.ui.AlbumPreviewActivity;
+import com.zhihu.matisse.internal.ui.BasePreviewActivity;
+import com.zhihu.matisse.internal.ui.MediaSelectionFragment;
+import com.zhihu.matisse.internal.ui.SelectedPreviewActivity;
+import com.zhihu.matisse.internal.ui.adapter.AlbumMediaAdapter;
+import com.zhihu.matisse.internal.ui.adapter.AlbumsAdapter;
+import com.zhihu.matisse.internal.ui.widget.AlbumsSpinner;
+import com.zhihu.matisse.internal.ui.widget.CheckRadioView;
+import com.zhihu.matisse.internal.ui.widget.IncapableDialog;
+import com.zhihu.matisse.internal.utils.MediaStoreCompat;
+import com.zhihu.matisse.internal.utils.PathUtils;
+import com.zhihu.matisse.internal.utils.PhotoMetadataUtils;
+
+import com.zhihu.matisse.internal.utils.SingleMediaScanner;
+import java.util.ArrayList;
+
+/**
+ * Main Activity to display albums and media content (images/videos) in each album
+ * and also support media selecting operations.
+ */
+public class MatisseActivity extends AppCompatActivity implements
+        AlbumCollection.AlbumCallbacks, AdapterView.OnItemSelectedListener,
+        MediaSelectionFragment.SelectionProvider, View.OnClickListener,
+        AlbumMediaAdapter.CheckStateListener, AlbumMediaAdapter.OnMediaClickListener,
+        AlbumMediaAdapter.OnPhotoCapture {
+
+    public static final String EXTRA_RESULT_SELECTION = "extra_result_selection";
+    public static final String EXTRA_RESULT_SELECTION_PATH = "extra_result_selection_path";
+    public static final String EXTRA_RESULT_ORIGINAL_ENABLE = "extra_result_original_enable";
+    private static final int REQUEST_CODE_PREVIEW = 23;
+    private static final int REQUEST_CODE_CAPTURE = 24;
+    public static final String CHECK_STATE = "checkState";
+    private final AlbumCollection mAlbumCollection = new AlbumCollection();
+    private MediaStoreCompat mMediaStoreCompat;
+    private SelectedItemCollection mSelectedCollection = new SelectedItemCollection(this);
+    private SelectionSpec mSpec;
+
+    private AlbumsSpinner mAlbumsSpinner;
+    private AlbumsAdapter mAlbumsAdapter;
+    private TextView mButtonPreview;
+    private TextView mButtonApply;
+    private View mContainer;
+    private View mEmptyView;
+
+    private LinearLayout mOriginalLayout;
+    private CheckRadioView mOriginal;
+    private boolean mOriginalEnable;
+
+    @Override
+    protected void onCreate(@Nullable Bundle savedInstanceState) {
+        // programmatically set theme before super.onCreate()
+        mSpec = SelectionSpec.getInstance();
+        setTheme(mSpec.themeId);
+        super.onCreate(savedInstanceState);
+        if (!mSpec.hasInited) {
+            setResult(RESULT_CANCELED);
+            finish();
+            return;
+        }
+        setContentView(R.layout.activity_matisse);
+
+        if (mSpec.needOrientationRestriction()) {
+            setRequestedOrientation(mSpec.orientation);
+        }
+
+        if (mSpec.capture) {
+            mMediaStoreCompat = new MediaStoreCompat(this);
+            if (mSpec.captureStrategy == null)
+                throw new RuntimeException("Don't forget to set CaptureStrategy.");
+            mMediaStoreCompat.setCaptureStrategy(mSpec.captureStrategy);
+        }
+
+        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
+        setSupportActionBar(toolbar);
+        ActionBar actionBar = getSupportActionBar();
+        actionBar.setDisplayShowTitleEnabled(false);
+        actionBar.setDisplayHomeAsUpEnabled(true);
+        Drawable navigationIcon = toolbar.getNavigationIcon();
+        TypedArray ta = getTheme().obtainStyledAttributes(new int[]{R.attr.album_element_color});
+        int color = ta.getColor(0, 0);
+        ta.recycle();
+        navigationIcon.setColorFilter(color, PorterDuff.Mode.SRC_IN);
+
+        mButtonPreview = (TextView) findViewById(R.id.button_preview);
+        mButtonApply = (TextView) findViewById(R.id.button_apply);
+        mButtonPreview.setOnClickListener(this);
+        mButtonApply.setOnClickListener(this);
+        mContainer = findViewById(R.id.container);
+        mEmptyView = findViewById(R.id.empty_view);
+        mOriginalLayout = findViewById(R.id.originalLayout);
+        mOriginal = findViewById(R.id.original);
+        mOriginalLayout.setOnClickListener(this);
+
+        mSelectedCollection.onCreate(savedInstanceState);
+        if (savedInstanceState != null) {
+            mOriginalEnable = savedInstanceState.getBoolean(CHECK_STATE);
+        }
+        updateBottomToolbar();
+
+        mAlbumsAdapter = new AlbumsAdapter(this, null, false);
+        mAlbumsSpinner = new AlbumsSpinner(this);
+        mAlbumsSpinner.setOnItemSelectedListener(this);
+        mAlbumsSpinner.setSelectedTextView((TextView) findViewById(R.id.selected_album));
+        mAlbumsSpinner.setPopupAnchorView(findViewById(R.id.toolbar));
+        mAlbumsSpinner.setAdapter(mAlbumsAdapter);
+        mAlbumCollection.onCreate(this, this);
+        mAlbumCollection.onRestoreInstanceState(savedInstanceState);
+        mAlbumCollection.loadAlbums();
+    }
+
+    @Override
+    protected void onSaveInstanceState(Bundle outState) {
+        super.onSaveInstanceState(outState);
+        mSelectedCollection.onSaveInstanceState(outState);
+        mAlbumCollection.onSaveInstanceState(outState);
+        outState.putBoolean("checkState", mOriginalEnable);
+    }
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+        mAlbumCollection.onDestroy();
+        mSpec.onCheckedListener = null;
+        mSpec.onSelectedListener = null;
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        if (item.getItemId() == android.R.id.home) {
+            onBackPressed();
+            return true;
+        }
+        return super.onOptionsItemSelected(item);
+    }
+
+    @Override
+    public void onBackPressed() {
+        setResult(Activity.RESULT_CANCELED);
+        super.onBackPressed();
+    }
+
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+        super.onActivityResult(requestCode, resultCode, data);
+        if (resultCode != RESULT_OK)
+            return;
+
+        if (requestCode == REQUEST_CODE_PREVIEW) {
+            Bundle resultBundle = data.getBundleExtra(BasePreviewActivity.EXTRA_RESULT_BUNDLE);
+            ArrayList<Item> selected = resultBundle.getParcelableArrayList(SelectedItemCollection.STATE_SELECTION);
+            mOriginalEnable = data.getBooleanExtra(BasePreviewActivity.EXTRA_RESULT_ORIGINAL_ENABLE, false);
+            int collectionType = resultBundle.getInt(SelectedItemCollection.STATE_COLLECTION_TYPE,
+                    SelectedItemCollection.COLLECTION_UNDEFINED);
+            if (data.getBooleanExtra(BasePreviewActivity.EXTRA_RESULT_APPLY, false)) {
+                Intent result = new Intent();
+                ArrayList<Uri> selectedUris = new ArrayList<>();
+                ArrayList<String> selectedPaths = new ArrayList<>();
+                if (selected != null) {
+                    for (Item item : selected) {
+                        selectedUris.add(item.getContentUri());
+                        selectedPaths.add(PathUtils.getPath(this, item.getContentUri()));
+                    }
+                }
+                result.putParcelableArrayListExtra(EXTRA_RESULT_SELECTION, selectedUris);
+                result.putStringArrayListExtra(EXTRA_RESULT_SELECTION_PATH, selectedPaths);
+                result.putExtra(EXTRA_RESULT_ORIGINAL_ENABLE, mOriginalEnable);
+                setResult(RESULT_OK, result);
+                finish();
+            } else {
+                mSelectedCollection.overwrite(selected, collectionType);
+                Fragment mediaSelectionFragment = getSupportFragmentManager().findFragmentByTag(
+                        MediaSelectionFragment.class.getSimpleName());
+                if (mediaSelectionFragment instanceof MediaSelectionFragment) {
+                    ((MediaSelectionFragment) mediaSelectionFragment).refreshMediaGrid();
+                }
+                updateBottomToolbar();
+            }
+        } else if (requestCode == REQUEST_CODE_CAPTURE) {
+            // Just pass the data back to previous calling Activity.
+            Uri contentUri = mMediaStoreCompat.getCurrentPhotoUri();
+            String path = mMediaStoreCompat.getCurrentPhotoPath();
+            ArrayList<Uri> selected = new ArrayList<>();
+            selected.add(contentUri);
+            ArrayList<String> selectedPath = new ArrayList<>();
+            selectedPath.add(path);
+            Intent result = new Intent();
+            result.putParcelableArrayListExtra(EXTRA_RESULT_SELECTION, selected);
+            result.putStringArrayListExtra(EXTRA_RESULT_SELECTION_PATH, selectedPath);
+            setResult(RESULT_OK, result);
+            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP)
+                MatisseActivity.this.revokeUriPermission(contentUri,
+                        Intent.FLAG_GRANT_WRITE_URI_PERMISSION | Intent.FLAG_GRANT_READ_URI_PERMISSION);
+
+            new SingleMediaScanner(this.getApplicationContext(), path, new SingleMediaScanner.ScanListener() {
+                @Override public void onScanFinish() {
+                    Log.i("SingleMediaScanner", "scan finish!");
+                }
+            });
+            finish();
+        }
+    }
+
+    private void updateBottomToolbar() {
+
+        int selectedCount = mSelectedCollection.count();
+        if (selectedCount == 0) {
+            mButtonPreview.setEnabled(false);
+            mButtonApply.setEnabled(false);
+            mButtonApply.setText(getString(R.string.button_apply_default));
+        } else if (selectedCount == 1 && mSpec.singleSelectionModeEnabled()) {
+            mButtonPreview.setEnabled(true);
+            mButtonApply.setText(R.string.button_apply_default);
+            mButtonApply.setEnabled(true);
+        } else {
+            mButtonPreview.setEnabled(true);
+            mButtonApply.setEnabled(true);
+            mButtonApply.setText(getString(R.string.button_apply, selectedCount));
+        }
+
+
+        if (mSpec.originalable) {
+            mOriginalLayout.setVisibility(View.VISIBLE);
+            updateOriginalState();
+        } else {
+            mOriginalLayout.setVisibility(View.INVISIBLE);
+        }
+
+
+    }
+
+
+    private void updateOriginalState() {
+        mOriginal.setChecked(mOriginalEnable);
+        if (countOverMaxSize() > 0) {
+
+            if (mOriginalEnable) {
+                IncapableDialog incapableDialog = IncapableDialog.newInstance("",
+                        getString(R.string.error_over_original_size, mSpec.originalMaxSize));
+                incapableDialog.show(getSupportFragmentManager(),
+                        IncapableDialog.class.getName());
+
+                mOriginal.setChecked(false);
+                mOriginalEnable = false;
+            }
+        }
+    }
+
+
+    private int countOverMaxSize() {
+        int count = 0;
+        int selectedCount = mSelectedCollection.count();
+        for (int i = 0; i < selectedCount; i++) {
+            Item item = mSelectedCollection.asList().get(i);
+
+            if (item.isImage()) {
+                float size = PhotoMetadataUtils.getSizeInMB(item.size);
+                if (size > mSpec.originalMaxSize) {
+                    count++;
+                }
+            }
+        }
+        return count;
+    }
+
+    @Override
+    public void onClick(View v) {
+        if (v.getId() == R.id.button_preview) {
+            Intent intent = new Intent(this, SelectedPreviewActivity.class);
+            intent.putExtra(BasePreviewActivity.EXTRA_DEFAULT_BUNDLE, mSelectedCollection.getDataWithBundle());
+            intent.putExtra(BasePreviewActivity.EXTRA_RESULT_ORIGINAL_ENABLE, mOriginalEnable);
+            startActivityForResult(intent, REQUEST_CODE_PREVIEW);
+        } else if (v.getId() == R.id.button_apply) {
+            Intent result = new Intent();
+            ArrayList<Uri> selectedUris = (ArrayList<Uri>) mSelectedCollection.asListOfUri();
+            result.putParcelableArrayListExtra(EXTRA_RESULT_SELECTION, selectedUris);
+            ArrayList<String> selectedPaths = (ArrayList<String>) mSelectedCollection.asListOfString();
+            result.putStringArrayListExtra(EXTRA_RESULT_SELECTION_PATH, selectedPaths);
+            result.putExtra(EXTRA_RESULT_ORIGINAL_ENABLE, mOriginalEnable);
+            setResult(RESULT_OK, result);
+            finish();
+        } else if (v.getId() == R.id.originalLayout) {
+            int count = countOverMaxSize();
+            if (count > 0) {
+                IncapableDialog incapableDialog = IncapableDialog.newInstance("",
+                        getString(R.string.error_over_original_count, count, mSpec.originalMaxSize));
+                incapableDialog.show(getSupportFragmentManager(),
+                        IncapableDialog.class.getName());
+                return;
+            }
+
+            mOriginalEnable = !mOriginalEnable;
+            mOriginal.setChecked(mOriginalEnable);
+
+            if (mSpec.onCheckedListener != null) {
+                mSpec.onCheckedListener.onCheck(mOriginalEnable);
+            }
+        }
+    }
+
+    @Override
+    public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
+        mAlbumCollection.setStateCurrentSelection(position);
+        mAlbumsAdapter.getCursor().moveToPosition(position);
+        Album album = Album.valueOf(mAlbumsAdapter.getCursor());
+        if (album.isAll() && SelectionSpec.getInstance().capture) {
+            album.addCaptureCount();
+        }
+        onAlbumSelected(album);
+    }
+
+    @Override
+    public void onNothingSelected(AdapterView<?> parent) {
+
+    }
+
+    @Override
+    public void onAlbumLoad(final Cursor cursor) {
+        mAlbumsAdapter.swapCursor(cursor);
+        // select default album.
+        Handler handler = new Handler(Looper.getMainLooper());
+        handler.post(new Runnable() {
+
+            @Override
+            public void run() {
+                cursor.moveToPosition(mAlbumCollection.getCurrentSelection());
+                mAlbumsSpinner.setSelection(MatisseActivity.this,
+                        mAlbumCollection.getCurrentSelection());
+                Album album = Album.valueOf(cursor);
+                if (album.isAll() && SelectionSpec.getInstance().capture) {
+                    album.addCaptureCount();
+                }
+                onAlbumSelected(album);
+            }
+        });
+    }
+
+    @Override
+    public void onAlbumReset() {
+        mAlbumsAdapter.swapCursor(null);
+    }
+
+    private void onAlbumSelected(Album album) {
+        if (album.isAll() && album.isEmpty()) {
+            mContainer.setVisibility(View.GONE);
+            mEmptyView.setVisibility(View.VISIBLE);
+        } else {
+            mContainer.setVisibility(View.VISIBLE);
+            mEmptyView.setVisibility(View.GONE);
+            Fragment fragment = MediaSelectionFragment.newInstance(album);
+            getSupportFragmentManager()
+                    .beginTransaction()
+                    .replace(R.id.container, fragment, MediaSelectionFragment.class.getSimpleName())
+                    .commitAllowingStateLoss();
+        }
+    }
+
+    @Override
+    public void onUpdate() {
+        // notify bottom toolbar that check state changed.
+        updateBottomToolbar();
+
+        if (mSpec.onSelectedListener != null) {
+            mSpec.onSelectedListener.onSelected(
+                    mSelectedCollection.asListOfUri(), mSelectedCollection.asListOfString());
+        }
+    }
+
+    @Override
+    public void onMediaClick(Album album, Item item, int adapterPosition) {
+        Intent intent = new Intent(this, AlbumPreviewActivity.class);
+        intent.putExtra(AlbumPreviewActivity.EXTRA_ALBUM, album);
+        intent.putExtra(AlbumPreviewActivity.EXTRA_ITEM, item);
+        intent.putExtra(BasePreviewActivity.EXTRA_DEFAULT_BUNDLE, mSelectedCollection.getDataWithBundle());
+        intent.putExtra(BasePreviewActivity.EXTRA_RESULT_ORIGINAL_ENABLE, mOriginalEnable);
+        startActivityForResult(intent, REQUEST_CODE_PREVIEW);
+    }
+
+    @Override
+    public SelectedItemCollection provideSelectedItemCollection() {
+        return mSelectedCollection;
+    }
+
+    @Override
+    public void capture() {
+        if (mMediaStoreCompat != null) {
+            mMediaStoreCompat.dispatchCaptureIntent(this, REQUEST_CODE_CAPTURE);
+        }
+    }
+
+}

coalMiningApp/matisse/src/main/res/color/dracula_bottom_toolbar_apply.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2017 Zhihu Inc.
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+  -->
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:color="@color/dracula_bottom_toolbar_apply_text_disable"
+          android:state_enabled="false"/>
+    <item android:color="@color/dracula_bottom_toolbar_apply_text"/>
+</selector>

coalMiningApp/matisse/src/main/res/color/dracula_bottom_toolbar_preview.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2017 Zhihu Inc.
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+  -->
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:color="@color/dracula_bottom_toolbar_preview_text_disable"
+          android:state_enabled="false"/>
+    <item android:color="@color/dracula_bottom_toolbar_preview_text"/>
+</selector>

coalMiningApp/matisse/src/main/res/color/dracula_preview_bottom_toolbar_apply.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2017 Zhihu Inc.
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+  -->
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:color="@color/dracula_preview_bottom_toolbar_apply_text_disable"
+          android:state_enabled="false"/>
+    <item android:color="@color/dracula_preview_bottom_toolbar_apply_text"/>
+</selector>