feat(fragment): 食材采集页改用 ChipGroup 选择净材并新增列表空布局

app/src/main/java/com/shuwei/dish/match/ui/fragment/VectorCollectionFragment.kt

@@ -3,6 +3,7 @@ package com.shuwei.dish.match.ui.fragment
 import android.annotation.SuppressLint
 import android.content.Intent
 import android.content.Context
+import android.content.res.ColorStateList
 import android.graphics.Bitmap
 import android.net.Uri
 import android.util.Log
@@ -11,14 +12,16 @@ import android.view.View
 import android.view.ViewGroup
 import android.view.inputmethod.EditorInfo
 import android.view.inputmethod.InputMethodManager
-import android.view.Gravity
+import com.google.android.material.chip.Chip
-import android.widget.RadioButton
+import com.google.android.material.chip.ChipGroup
-import android.widget.RadioGroup
 import androidx.camera.view.PreviewView
+import androidx.core.content.ContextCompat
 import androidx.core.view.doOnLayout
 import androidx.core.view.updateLayoutParams
 import androidx.lifecycle.lifecycleScope
 import androidx.recyclerview.widget.GridLayoutManager
+import androidx.recyclerview.widget.LinearLayoutManager
+import com.chad.library.adapter4.util.setOnDebouncedItemClick
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
@@ -28,6 +31,7 @@ import com.shuwei.dish.match.adapter.Food3Adapter
 import com.shuwei.dish.match.base.BaseFragment
 import com.shuwei.dish.match.databinding.FragmentVectorCollectionBinding
 import com.shuwei.dish.match.databinding.LayoutCameraPreviewBinding
+import com.shuwei.dish.match.databinding.LayoutEmptyViewBinding
 import com.shuwei.dish.match.dialog.CommonDialog
 import com.shuwei.dish.match.dialog.Loading
 import com.shuwei.dish.match.entity.FoodCollectionBean
@@ -50,7 +54,7 @@ import com.shuwei.dish.match.utils.ext.gone
 import com.shuwei.dish.match.utils.ext.toast
 import okhttp3.RequestBody
 import okhttp3.RequestBody.Companion.toRequestBody
-import androidx.core.content.withStyledAttributes
+import com.shuwei.dish.match.utils.ext.toJsonString
 
 @SuppressLint("NotifyDataSetChanged")
 class VectorCollectionFragment : BaseFragment<FragmentVectorCollectionBinding>() {
@@ -73,7 +77,9 @@ class VectorCollectionFragment : BaseFragment<FragmentVectorCollectionBinding>()
     private var checkedItem: GoodsItem? = null
     private val searchAdapter by lazy {
         Food3Adapter(searchList).apply {
-            setOnItemClickListener { _, _, position ->
+            // 开启空状态视图能力，否则 stateView 赋值不会生效
+            isStateViewEnable = true
+            setOnDebouncedItemClick { _, _, position ->
                 val item = searchList[position]
                 val types = item.rawMaterialsTypes
                 // 弹出净材种类单选弹窗
@@ -285,8 +291,8 @@ class VectorCollectionFragment : BaseFragment<FragmentVectorCollectionBinding>()
             val params = mutableMapOf<String, RequestBody>()
             params["goodsId"] = checkedItem!!.goodsId.toRequestBody()
             params["goodsName"] = checkedItem!!.goodsName!!.toRequestBody()
-            //净材种类，逗号分隔
+            //净材种类
-//            params["rawMaterialsTypes"] = "".toRequestBody()
+            params["rawMaterialsTypes"] = checkedItem!!.rawMaterialsType!!.toRequestBody()
             //params["version"] = "1.0.0".toRequestBody()
 
             ImageUploader(totalList = vectorList, uploadImage = { batch ->
@@ -302,6 +308,7 @@ class VectorCollectionFragment : BaseFragment<FragmentVectorCollectionBinding>()
                 params["foodVector"] = foodVectorJson.toRequestBody()
                 // 直接 await 单批上传结果，成功返回 id 列表，失败返回 null 触发 onError
                 val result = currentActivity.netViewModel.uploadFoodVectorDataBatch(files, params)
+                log("uploadImage返回：result=${result.toJsonString()}")
                 if (result is UiState.Success) result.data else null
             }, onProgress = { count, batch, idList ->
                 showWaitingDialog("图片上传中$count/$totalFileCount")
@@ -342,10 +349,86 @@ class VectorCollectionFragment : BaseFragment<FragmentVectorCollectionBinding>()
                 currentActivity.netViewModel.goodsListState.collect { state ->
                     when (state) {
                         is UiState.Success -> {
-                            var list: List<GoodsItem> = state.data ?: emptyList()
+                            val list: List<GoodsItem> = state.data ?: emptyList()
-                            // TODO: 接口暂无数据时使用假数据进行效果测试，联调完成后删除
                             if (list.isEmpty()) {
-                                list = mutableListOf(
+                                // 接口无数据时展示空布局，点击空布局可填充本地假数据用于效果测试
+                                loadEmptyView()
+                            } else {
+                                fillSearchList(list)
+                            }
+                        }
+                        else -> Unit
+                    }
+                }
+            }
+        }
+    }
+
+    /**
+     * 将数据列表填充到 searchAdapter 并切换为网格布局
+     * @param list 查询到的食材列表
+     */
+    @SuppressLint("NotifyDataSetChanged")
+    private fun fillSearchList(list: List<GoodsItem>) {
+        // 将 rawMaterialsType 转存到 rawMaterialsTypes，并清空 rawMaterialsType
+        list.forEach { item ->
+            item.rawMaterialsTypes = item.rawMaterialsType
+            item.rawMaterialsType = null
+        }
+        // 空布局切过 LinearLayoutManager，此处恢复为 2 列 GridLayoutManager
+        if (binding.rvSearchFood.layoutManager !is GridLayoutManager) {
+            binding.rvSearchFood.layoutManager = GridLayoutManager(context, 2)
+        }
+        // 清空 stateView 否则空视图会一直占位导致无法显示列表项
+        searchAdapter.stateView = null
+        searchList.clear()
+        searchList.addAll(list)
+        searchAdapter.notifyDataSetChanged()
+    }
+
+    private var emptyViewBinding: LayoutEmptyViewBinding? = null
+
+    /**
+     * 展示空布局
+     * 默认 GridLayoutManager 会把 stateView 限制在单列宽度内，切换为 LinearLayoutManager 让空布局横向铺满；
+     * 点击空布局时临时填充假数据用于效果测试，联调完成后可去除点击逻辑
+     */
+    @SuppressLint("NotifyDataSetChanged")
+    private fun loadEmptyView() {
+        try {
+            searchList.clear()
+            searchAdapter.notifyDataSetChanged()
+            // 切换为线性布局让空视图横向铺满，避免 Grid 模式下空布局只占一列
+            binding.rvSearchFood.layoutManager = LinearLayoutManager(requireContext())
+            if (emptyViewBinding == null) {
+                emptyViewBinding = LayoutEmptyViewBinding.inflate(
+                    LayoutInflater.from(requireContext()),
+                    binding.rvSearchFood,
+                    false
+                )
+            }
+            emptyViewBinding?.let {
+                it.tvContent.text = "暂无数据"
+                it.tvSubContent.text = "点击此处重新查询"
+                // 点击空布局填充本地假数据，便于 UI 效果测试
+                it.root.setOnClickListener {
+                    fillSearchList(buildMockGoodsList())
+                }
+                binding.rvSearchFood.post {
+                    it.root.minimumHeight = binding.rvSearchFood.height
+                    searchAdapter.stateView = it.root
+                }
+            }
+        } catch (e: Exception) {
+            e.printStackTrace()
+        }
+    }
+
+    /**
+     * 构造用于效果测试的食材假数据
+     * TODO: 联调完成后删除
+     */
+    private fun buildMockGoodsList(): List<GoodsItem> = mutableListOf(
         GoodsItem(goodsId = "1", goodsName = "土豆", rawMaterialsType = "土豆丝,土豆条,土豆片,土豆丁"),
         GoodsItem(goodsId = "2", goodsName = "胡萝卜", rawMaterialsType = "胡萝卜丝,胡萝卜片,胡萝卜丁"),
         GoodsItem(goodsId = "3", goodsName = "黄瓜", rawMaterialsType = "黄瓜丝,黄瓜片,黄瓜丁,黄瓜块"),
@@ -368,22 +451,6 @@ class VectorCollectionFragment : BaseFragment<FragmentVectorCollectionBinding>()
         GoodsItem(goodsId = "19", goodsName = "木耳"),
         GoodsItem(goodsId = "20", goodsName = "豆芽"),
     )
-                            }
-                            // 将 rawMaterialsType 转存到 rawMaterialsTypes，并清空 rawMaterialsType
-                            list.forEach { item ->
-                                item.rawMaterialsTypes = item.rawMaterialsType
-                                item.rawMaterialsType = null
-                            }
-                            searchList.clear()
-                            searchList.addAll(list)
-                            searchAdapter.notifyDataSetChanged()
-                        }
-                        else -> Unit
-                    }
-                }
-            }
-        }
-    }
 
     /**
      * 弹出净材种类单选弹窗
@@ -404,45 +471,14 @@ class VectorCollectionFragment : BaseFragment<FragmentVectorCollectionBinding>()
             dialog.setContent("无净材数据")
                 .setPositiveButton("确认") {}
         } else {
-            // 构建单选 RadioGroup 作为自定义内容
+            // 构建单选 ChipGroup 作为自定义内容
-            val radioGroup = RadioGroup(requireContext()).apply {
+            val chipGroup = buildSingleChoiceChipGroup(typeList, item.rawMaterialsType)
-                orientation = RadioGroup.VERTICAL
+            dialog.addContentView(chipGroup) { tvContent ->
-                // RadioGroup 本身居中，子项 wrap_content 宽度，整体图标+文字自然居中
-                gravity = Gravity.CENTER_HORIZONTAL
-                typeList.forEachIndexed { index, typeName ->
-                    val rb = RadioButton(requireContext()).apply {
-                        id = index
-                        text = typeName
-                        textSize = 26f
-                        layoutParams = RadioGroup.LayoutParams(
-                            RadioGroup.LayoutParams.WRAP_CONTENT,
-                            RadioGroup.LayoutParams.WRAP_CONTENT
-                        )
-                        setPadding(30.dp, 15.dp, 30.dp, 15.dp)
-                        // 移除默认点击水波纹背景，改用 foreground 实现 selectableItemBackground 效果
-                        setBackgroundResource(0)
-                        val attrs = intArrayOf(android.R.attr.selectableItemBackground)
-                        context.withStyledAttributes(null, attrs) {
-                            foreground = getDrawable(0)
-                        }
-                        // 若当前项已有选中值则默认勾选对应选项
-                        if (typeName == item.rawMaterialsType) isChecked = true
-                        // 通过 InsetDrawable 在 buttonDrawable 右侧追加 80dp 间距，实现图标与文字的间距控制
-                        buttonDrawable?.let { orig ->
-                            buttonDrawable = android.graphics.drawable.InsetDrawable(
-                                orig, 30.dp, 0, 30.dp, 0
-                            )
-                        }
-                    }
-                    addView(rb)
-                }
-            }
-            dialog.addContentView(radioGroup) { tvContent ->
                 tvContent.gone()
             }
             dialog.setPositiveButtonInterceptable("确认") {
-                val checkedId = radioGroup.checkedRadioButtonId
+                val checkedId = chipGroup.checkedChipId
-                if (checkedId == -1) {
+                if (checkedId == View.NO_ID) {
                     toast("请选择净材种类")
                     // 返回 false 阻止弹窗关闭
                     return@setPositiveButtonInterceptable false
@@ -469,6 +505,67 @@ class VectorCollectionFragment : BaseFragment<FragmentVectorCollectionBinding>()
         dialog.show()
     }
 
+    /**
+     * 构建单选样式的 ChipGroup
+     * @param typeList 选项文本列表，列表中每一项作为一个 Chip 的文字
+     * @param checkedType 默认选中项的文本，与 typeList 中元素相等的 Chip 会被勾选；为空则无默认选中
+     * @return 配置完成的 ChipGroup，每个 Chip 的 id 即为其在 typeList 中的下标
+     */
+    private fun buildSingleChoiceChipGroup(
+        typeList: List<String>,
+        checkedType: String?
+    ): ChipGroup {
+        return ChipGroup(requireContext()).apply {
+            isSingleSelection = true
+            isSelectionRequired = false
+            setPadding(5.dp, 40.dp, 5.dp, 40.dp)
+            chipSpacingVertical = 10.dp
+            chipSpacingHorizontal = 20.dp
+            typeList.forEachIndexed { index, typeName ->
+                val chip = Chip(requireContext()).apply {
+                    id = index
+                    text = typeName
+                    textSize = 22f
+                    isCheckable = true
+                    chipStartPadding = 20.dp.toFloat()
+                    chipEndPadding = 20.dp.toFloat()
+                    chipMinHeight = (textSize + 15.dp * 2).toFloat()
+                    // 选中/未选中态背景色：主题绿 / 浅灰
+                    chipBackgroundColor = ColorStateList(
+                        arrayOf(
+                            intArrayOf(android.R.attr.state_checked),
+                            intArrayOf(-android.R.attr.state_checked)
+                        ),
+                        intArrayOf(
+                            ContextCompat.getColor(requireContext(), R.color.dish_green),
+                            ContextCompat.getColor(requireContext(), R.color.gray_eb)
+                        )
+                    )
+                    // 选中/未选中态文字色：白 / 深灰
+                    setTextColor(
+                        ColorStateList(
+                            arrayOf(
+                                intArrayOf(android.R.attr.state_checked),
+                                intArrayOf(-android.R.attr.state_checked)
+                            ),
+                            intArrayOf(
+                                ContextCompat.getColor(requireContext(), R.color.white),
+                                ContextCompat.getColor(requireContext(), R.color.black333)
+                            )
+                        )
+                    )
+                    // 隐藏默认的左侧勾选图标，让填充色作为唯一选中反馈
+                    isCheckedIconVisible = false
+                    // 去除描边
+                    chipStrokeWidth = 0f
+                    // 若当前项已有选中值则默认勾选对应选项
+                    isChecked = (typeName == checkedType)
+                }
+                addView(chip)
+            }
+        }
+    }
+
     var clickIndex = -1
 
     @SuppressLint("NotifyDataSetChanged")

app/src/main/res/layout/list_item_food3.xml

@@ -4,10 +4,7 @@
     android:layout_width="match_parent"
     android:layout_height="100dp"
     android:layout_marginHorizontal="14dp"
-    android:layout_marginVertical="14dp"
+    android:layout_marginVertical="14dp">
-    android:background="@drawable/bg_item_search"
-    android:paddingHorizontal="15dp"
-    android:paddingVertical="10dp">
 
     <!-- 食材名称，选中状态通过 CheckedTextView 的 checked 驱动背景/文字色变化 -->
     <CheckedTextView
@@ -21,6 +18,7 @@
         android:textColor="@color/color_item_search"
         android:textSize="28sp"
         android:textStyle="bold"
+        android:background="@drawable/bg_item_search"
         tools:text="土豆丝" />
 
     <!-- 当前选中的净材种类，小字显示，无数据时隐藏 -->
@@ -30,6 +28,7 @@
         android:layout_height="wrap_content"
         android:gravity="center"
         android:layout_gravity="center|bottom"
+        android:layout_marginBottom="3dp"
         android:textColor="@color/black999"
         android:textSize="18sp"
         android:visibility="gone"