From cb9d68d2e37a03ac7f1a5e84a147707bb8158240 Mon Sep 17 00:00:00 2001
From: mazengfei <331023091@qq.com>
Date: Mon, 17 Nov 2025 16:09:01 +0800
Subject: [PATCH] =?UTF-8?q?=E5=8A=9F=E8=83=BD=E4=BC=98=E5=8C=96?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .idea/compiler.xml                            |   6 +
 .idea/deploymentTargetSelector.xml            |   4 +-
 .idea/gradle.xml                              |   2 +-
 .../activity/FoodCollectionActivity.kt        |  18 ++-
 .../sw/dualscreen/activity/MainActivity.kt    | 121 ++++++++++++------
 .../java/com/sw/dualscreen/ext/CommonExt.kt   |   1 +
 .../sw/dualscreen/model/response/FoodInfo.kt  |   3 +-
 .../com/sw/dualscreen/objbox/FoodModule.kt    | 100 +++++++++++----
 .../com/sw/dualscreen/utils/BitmapSaver.kt    |   5 +-
 .../sw/dualscreen/viewmodel/UserViewModel.kt  |   7 +-
 app/src/main/res/drawable/bg_rescan.xml       |  11 ++
 .../res/layout/activity_food_collection.xml   |   5 +-
 app/src/main/res/layout/activity_main.xml     |  29 +++++
 app/src/main/res/layout/item_food_info.xml    |   5 +-
 14 files changed, 233 insertions(+), 84 deletions(-)
 create mode 100644 .idea/compiler.xml
 create mode 100644 app/src/main/res/drawable/bg_rescan.xml

diff --git a/.idea/compiler.xml b/.idea/compiler.xml
new file mode 100644
index 0000000..b589d56
--- /dev/null
+++ b/.idea/compiler.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CompilerConfiguration">
+    <bytecodeTargetLevel target="17" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/deploymentTargetSelector.xml b/.idea/deploymentTargetSelector.xml
index 0e4f8ba..dbdd404 100644
--- a/.idea/deploymentTargetSelector.xml
+++ b/.idea/deploymentTargetSelector.xml
@@ -4,10 +4,10 @@
     <selectionStates>
       <SelectionState runConfigName="app">
         <option name="selectionMode" value="DROPDOWN" />
-        <DropdownSelection timestamp="2025-10-16T11:00:08.044723900Z">
+        <DropdownSelection timestamp="2025-11-07T10:55:54.677927600Z">
           <Target type="DEFAULT_BOOT">
             <handle>
-              <DeviceId pluginId="Default" identifier="serial=192.168.1.233:5555;connection=5022ef29" />
+              <DeviceId pluginId="Default" identifier="serial=192.168.1.56:5555;connection=2687c52a" />
             </handle>
           </Target>
         </DropdownSelection>
diff --git a/.idea/gradle.xml b/.idea/gradle.xml
index b8603fd..f94744b 100644
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@@ -6,7 +6,7 @@
       <GradleProjectSettings>
         <option name="testRunner" value="CHOOSE_PER_TEST" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
-        <option name="gradleJvm" value="zulu-17" />
+        <option name="gradleJvm" value="azul-17" />
         <option name="modules">
           <set>
             <option value="$PROJECT_DIR$" />
diff --git a/app/src/main/java/com/sw/dualscreen/activity/FoodCollectionActivity.kt b/app/src/main/java/com/sw/dualscreen/activity/FoodCollectionActivity.kt
index f2f420c..32f3b2b 100644
--- a/app/src/main/java/com/sw/dualscreen/activity/FoodCollectionActivity.kt
+++ b/app/src/main/java/com/sw/dualscreen/activity/FoodCollectionActivity.kt
@@ -48,9 +48,12 @@ import org.pytorch.IValue
 import org.pytorch.Module
 import org.pytorch.torchvision.TensorImageUtils
 import timber.log.Timber
+import kotlin.math.max
 
 class FoodCollectionActivity : BaseActivity<ActivityFoodCollectionBinding>() {
-
+    companion object {
+        val MAX_COUNT = 100
+    }
     private val viewModel by viewModels<UserViewModel>()
     private var selectedFoodId: String? = ""
     private var selectedFoodName: String? = ""
@@ -64,6 +67,7 @@ class FoodCollectionActivity : BaseActivity<ActivityFoodCollectionBinding>() {
     private val foodList = mutableListOf<FoodInfo>() // 适配器内部维护的数据列表
     private val debouncer = Debouncer(2000)
     private lateinit var previewView: PreviewView
+
     private val cameraUtils: CameraUtils by lazy {
         CameraUtils(this)
     }
@@ -101,7 +105,7 @@ class FoodCollectionActivity : BaseActivity<ActivityFoodCollectionBinding>() {
     private val cameraCallback: (Uri) -> Unit = { uri ->
         val index = foodCollectionList.indexOfFirst { it.bitmap == null }
         if (index == -1) {
-            ToastUtils.showToast("每次只允许保存6条数据")
+            ToastUtils.showToast("每次只允许保存${MAX_COUNT}条数据")
             rerurn@ cameraCallback
         }
         ImageUtil.uriToBitmap(this, uri)?.let { bitmap ->
@@ -127,8 +131,8 @@ class FoodCollectionActivity : BaseActivity<ActivityFoodCollectionBinding>() {
     @SuppressLint("NotifyDataSetChanged")
     private fun takePhoto() {
         val count = foodCollectionList.count { it.bitmap != null }
-        if (count == 6) {
-            ToastUtils.showToast("每次只允许保存6条数据")
+        if (count >= MAX_COUNT) {
+            ToastUtils.showToast("每次只允许保存${MAX_COUNT}条数据")
             return
         }
         cameraUtils.takePhoto(cameraCallback)
@@ -166,7 +170,7 @@ class FoodCollectionActivity : BaseActivity<ActivityFoodCollectionBinding>() {
             startActivity(intent)
             finish()
         }
-        repeat(6) {
+        repeat(MAX_COUNT) {
             foodCollectionList.add(FoodCollectionBean(isShowCamera = true))
         }
         binding.rvFoodCollection.let {
@@ -208,8 +212,8 @@ class FoodCollectionActivity : BaseActivity<ActivityFoodCollectionBinding>() {
         binding.btnTakePhoto.clickWithDebounce {
             binding.btnTakePhoto.text = "拍照"
             val count = foodCollectionList.count { it.bitmap != null }
-            if (count == 6) {
-                ToastUtils.showToast("每次只允许保存6条数据")
+            if (count >= MAX_COUNT) {
+                ToastUtils.showToast("每次只允许保存${MAX_COUNT}条数据")
                 return@clickWithDebounce
             }
 //            cameraHelper.openCamera()
diff --git a/app/src/main/java/com/sw/dualscreen/activity/MainActivity.kt b/app/src/main/java/com/sw/dualscreen/activity/MainActivity.kt
index 2f405fc..454f28b 100644
--- a/app/src/main/java/com/sw/dualscreen/activity/MainActivity.kt
+++ b/app/src/main/java/com/sw/dualscreen/activity/MainActivity.kt
@@ -32,8 +32,10 @@ import com.sw.dualscreen.adapter.dpToPx
 import com.sw.dualscreen.databinding.ActivityMainBinding
 import com.sw.dualscreen.databinding.ItemFoodInfoBinding
 import com.sw.dualscreen.ext.dp
+import com.sw.dualscreen.ext.format2String
 import com.sw.dualscreen.model.response.FoodInfo
 import com.sw.dualscreen.objbox.FoodModule
+import com.sw.dualscreen.objbox.FoodModule.IdNameScore
 import com.sw.dualscreen.presentation.SecondaryScreenPresentation
 import com.sw.dualscreen.sdk.SensorScaleUtils
 import com.sw.dualscreen.utils.AssetsTool
@@ -54,6 +56,7 @@ import kotlinx.coroutines.launch
 import timber.log.Timber
 import java.io.File
 import java.util.concurrent.Executors
+import kotlin.math.roundToInt
 
 /**
  * 服务员显示界面
@@ -138,6 +141,8 @@ class MainActivity : BaseActivity<ActivityMainBinding>() {
                 updateCurrentFood(null)
                 isRecognitionFood = true
                 presentation?.updateMealPickupMode(position)
+
+                SensorScaleUtils.zero()
             }
 
             override fun onNothingSelected(parent: AdapterView<*>?) {}
@@ -156,6 +161,9 @@ class MainActivity : BaseActivity<ActivityMainBinding>() {
         binding.tvFoodName.setOnClickListener {
             SensorScaleUtils.zero()
         }
+        binding.tvRescan.setOnClickListener {
+            debouncer.debounce { recognizeFood() }
+        }
     }
 
     fun updateCurrentFood(foodInfo: FoodInfo?) {
@@ -189,19 +197,11 @@ class MainActivity : BaseActivity<ActivityMainBinding>() {
 
     override fun registerDataChange() {
         super.registerDataChange()
-        lifecycleScope.launch {
-            viewModel.identifiedFoodInfoList2.collect { list ->
-                Timber.d("registerDataChange识别后查询接口数据：${GsonUtils.toJson(list)}")
-                adapter.updateData(list)
-                if (list.isNotEmpty()) {
-                    checkedItem = list[0]
-                    checkedItem!!.photoUri = lastPhotoUri
-                    updateCurrentFood(checkedItem)
-                    lastPhotoUri = null
-                    LightManager.closeRedLight()
-                }
-            }
-        }
+//        lifecycleScope.launch {
+//            viewModel.identifiedFoodInfoList2.collect { list ->
+//                updateFoodInfo(list)
+//            }
+//        }
         lifecycleScope.launch {
             viewModel.identifiedFoodInfoList.collect { list ->
                 adapter.updateData(list)
@@ -217,7 +217,7 @@ class MainActivity : BaseActivity<ActivityMainBinding>() {
             Timber.d("registerDataChange weight = $weight")
             presentation?.updateWeight(weight)
 
-            if (weight <= 0.005 && presentation?.mealPickupMode == 1) {//余量取餐，检测到秤上没有东西，重新启动识别菜品
+            if (weight <= 0.005) {//余量取餐，检测到秤上没有东西，重新启动识别菜品 && presentation?.mealPickupMode == 1
                 isRecognitionFood = true
             }
 
@@ -226,42 +226,85 @@ class MainActivity : BaseActivity<ActivityMainBinding>() {
                     isRecognitionFood = false
                 }
                 debouncer.debounce {
-                    LightManager.openRedLight()
-                    LightManager.openGreenLight()
-                    takePhoto { photoUri ->
-                        lastPhotoUri = photoUri
-                        Timber.d("registerDataChange photoUri = ${photoUri.path}")
-//                        viewModel.getIdentifiedFoodList()
-
-                        ImageUtil.uriToBitmap(this, photoUri)?.let { bitmap ->
-                            Timber.d("registerDataChange photoUri 拿到bitmap")
-//                            val bmp = BitmapCropper.cropCenter(bitmap, 1300, 900)
-                            Timber.d("registerDataChange photoUri bitmap裁剪完成")
-                            val file = BitmapSaver.saveToAppFilesDir(
-                                bitmap,
-                                this,
-                                "IMG_CROP_${System.currentTimeMillis()}.jpg"
-                            )
-                            Timber.d("registerDataChange photoUri bitmap保存文件路径：${file?.absolutePath}")
-                            val resultList = FoodModule.queryFood(bitmap)
-                            Timber.d("registerDataChange photoUri 拿到识别数据")
-                            val foodName = resultList.joinToString(separator = ",")
-                            Timber.d("registerDataChange photoUri 识别数据名称:$foodName")
-                            viewModel.getFoodInfo(foodName)
-                        }
-                    }
+                    recognizeFood()
                 }
             }
             lastWeight = weight
         }
     }
 
+    private fun recognizeFood() {
+        LightManager.openRedLight()
+        LightManager.openGreenLight()
+        takePhoto { photoUri ->
+            lastPhotoUri = photoUri
+            Timber.d("registerDataChange photoUri = ${photoUri.path}")
+//                        viewModel.getIdentifiedFoodList()
+
+            ImageUtil.uriToBitmap(this, photoUri)?.let { bitmap ->
+                Timber.d("registerDataChange photoUri 拿到bitmap")
+//                            val bmp = BitmapCropper.cropCenter(bitmap, 1300, 900)
+                Timber.d("registerDataChange photoUri bitmap裁剪完成")
+                val file = BitmapSaver.saveToAppFilesDir(
+                    bitmap,
+                    this,
+                    "IMG_CROP_${System.currentTimeMillis()}.jpg"
+                )
+                Timber.d("registerDataChange photoUri bitmap保存文件路径：${file?.absolutePath}")
+                //val nameList = FoodModule.queryFood(bitmap)
+                val scoreList = FoodModule.getFoodScoreList(bitmap)
+                Timber.d(
+                    "registerDataChange photoUri 拿到识别数据:${
+                        GsonUtils.toJson(
+                            scoreList
+                        )
+                    }"
+                )
+                val nameList = scoreList.map { it.name }
+                val foodName = nameList.joinToString(separator = ",")
+
+                Timber.d("registerDataChange photoUri 识别数据名称:$foodName")
+                if (TextUtils.isEmpty(foodName)) {
+                    LightManager.closeGreenLight()
+                    LightManager.closeRedLight()
+                    binding.layoutRescan.visibility = View.VISIBLE
+                } else {
+                    binding.layoutRescan.visibility = View.GONE
+                    viewModel.getFoodInfo(foodName) { list ->
+                        runOnUiThread {
+                            updateFoodInfo(list, scoreList)
+                        }
+                    }
+                }
+
+            }
+        }
+    }
+
+    private fun updateFoodInfo(list: List<FoodInfo>, scoreList: List<IdNameScore>) {
+        Timber.d("registerDataChange识别后查询接口数据：${GsonUtils.toJson(list)}")
+        list.forEach { foodInfo ->
+            val scoreItem = scoreList.firstOrNull { it.name == foodInfo.foodName }
+            val score = scoreItem?.score ?: 0.0
+            foodInfo.score = ((1 - score) * 10000).roundToInt()
+        }
+        adapter.updateData(list)
+        if (list.isNotEmpty()) {
+            checkedItem = list[0]
+            checkedItem!!.photoUri = lastPhotoUri
+            updateCurrentFood(checkedItem)
+            lastPhotoUri = null
+            LightManager.closeRedLight()
+        }
+    }
+
     private fun createAdapter(): GenericItemAdapter<FoodInfo, ItemFoodInfoBinding> {
         return GenericItemAdapter(
             items = emptyList(),
             bindingInflater = ItemFoodInfoBinding::inflate,
             bindCallback = { item, position ->
-                this.tvName.text = item.foodName
+                val score = (item.score / 100.0).format2String(2)
+                this.tvName.text = "${item.foodName}\n${score}%"
                 if (item.id != checkedItem?.id) {
                     this.tvName.typeface = Typeface.defaultFromStyle(Typeface.NORMAL)
                     this.tvName.setTextColor(resources.getColor(R.color.identify_normal))
diff --git a/app/src/main/java/com/sw/dualscreen/ext/CommonExt.kt b/app/src/main/java/com/sw/dualscreen/ext/CommonExt.kt
index b20cc2b..4725fe8 100644
--- a/app/src/main/java/com/sw/dualscreen/ext/CommonExt.kt
+++ b/app/src/main/java/com/sw/dualscreen/ext/CommonExt.kt
@@ -66,6 +66,7 @@ val Float.sp: Float
     )
 
 fun Double.format2String(): String = "%.1f".format(this)
+fun Double.format2String(num:Int): String = "%.${num}f".format(this)
 
 // 添加扩展函数
 fun ImageProxy.toSafeBitmap(): Bitmap {
diff --git a/app/src/main/java/com/sw/dualscreen/model/response/FoodInfo.kt b/app/src/main/java/com/sw/dualscreen/model/response/FoodInfo.kt
index e1b6ffb..7b584cc 100644
--- a/app/src/main/java/com/sw/dualscreen/model/response/FoodInfo.kt
+++ b/app/src/main/java/com/sw/dualscreen/model/response/FoodInfo.kt
@@ -38,7 +38,8 @@ data class FoodInfo(
     @SerializedName("stFoodInfoSetting")
     val stFoodInfoSetting: StFoodInfoSetting? = StFoodInfoSetting(),
     @SerializedName("stFoodInfoSpecificationList")
-    val stFoodInfoSpecificationList: List<StFoodInfoSpecification?>? = listOf()
+    val stFoodInfoSpecificationList: List<StFoodInfoSpecification?>? = listOf(),
+    var score: Int = 0
 ) : Parcelable {
     @Parcelize
     data class FoodTypeAndRealIntakeVo(
diff --git a/app/src/main/java/com/sw/dualscreen/objbox/FoodModule.kt b/app/src/main/java/com/sw/dualscreen/objbox/FoodModule.kt
index b6530ff..b3d29f1 100644
--- a/app/src/main/java/com/sw/dualscreen/objbox/FoodModule.kt
+++ b/app/src/main/java/com/sw/dualscreen/objbox/FoodModule.kt
@@ -1,12 +1,14 @@
 package com.sw.dualscreen.objbox
 
-import com.sw.dualscreen.MyApp
-import com.sw.dualscreen.utils.AssetsTool
 import android.content.Context
 import android.graphics.Bitmap
 import android.net.Uri
+import android.util.SparseLongArray
 import com.google.gson.Gson
 import com.google.gson.reflect.TypeToken
+import com.sw.dualscreen.MyApp
+import com.sw.dualscreen.utils.AssetsTool
+import com.sw.dualscreen.utils.GsonUtils
 import com.sw.dualscreen.utils.ImageUtil
 import io.objectbox.Box
 import io.objectbox.kotlin.boxFor
@@ -22,6 +24,7 @@ import java.io.InputStream
 
 object FoodModule {
 
+    private const val THRESHOLD = 0.8
     private lateinit var module_mobile: Module
     private lateinit var box: Box<Food>
     private lateinit var embeddingsList: List<List<Float>>
@@ -68,50 +71,93 @@ object FoodModule {
         }
     }
 
+    /**
+     * 返回识别物品名称列表
+     */
     fun queryFood(bitmap: Bitmap, queryCount: Int = 15): List<String> {
-        val inputTensor =
-            TensorImageUtils.bitmapToFloat32Tensor(
-                bitmap,
-                NO_MEAN_RGB, // [0.485, 0.456, 0.406] TORCHVISION_NORM_MEAN_RGB
-                NO_STD_RGB    // [0.229, 0.224, 0.225] TORCHVISION_NORM_STD_RGB
-            )
-        val outputTensor = module_mobile.forward(IValue.from(inputTensor)).toTensor()
-        val floatArray = outputTensor.dataAsFloatArray
-        if (bitmap.isRecycled.not()) {
-            bitmap.recycle()
-        }
+        val floatArray = bitmap2FloatArray(bitmap)
         return queryFood(floatArray, queryCount)
     }
 
+    /**
+     * 返回识别物品IdNameScore对象列表
+     */
+    fun queryFoodNameScore(bitmap: Bitmap, queryCount: Int = 15): List<IdNameScore> {
+        val floatArray = bitmap2FloatArray(bitmap)
+        return queryFoodNameScore(floatArray, queryCount)
+    }
+
+    fun queryFoodNameScore(floatArray: FloatArray, queryCount: Int = 15): List<IdNameScore> {
+        val query: Query<Food> =
+            box.query(Food_.foodVector.nearestNeighbors(floatArray, queryCount)).build()
+        //查询比较分数
+//        val tempList = query.findWithScores().sortedBy { it.score }.map { "${it.get().name}|${it.get().foodIdx}|${it.score}" }
+        val idScoreList = query.findIdsWithScores()
+        val nameScoreList = mutableListOf<IdNameScore>()
+        idScoreList.forEach {
+            nameScoreList.add(IdNameScore(id = it.id, name = box.get(it.id).name?:"", score = it.score))
+        }
+        Timber.tag("FoodModule").d("registerDataChange,queryFood数据：${GsonUtils.toJson(nameScoreList)}")
+        return nameScoreList
+    }
+    fun getFoodScoreList(bitmap: Bitmap, queryCount: Int = 15): List<IdNameScore> {
+        val floatArray = bitmap2FloatArray(bitmap)
+        val nameScoreList = queryFoodNameScore(floatArray, queryCount)
+        val maxScoreList = nameScoreList
+            .filter { it.score < 1 - THRESHOLD }
+            .groupBy { it.name }
+            .map { (_, value) -> value.minByOrNull { it.score }!! }
+            .toMutableList()
+        val map = mutableMapOf<String, Int>()
+        nameScoreList.forEach {
+            val key = it.name
+            val count = map[key] ?: 0
+            map[key] = count + 1
+        }
+        val orderList = map.entries.sortedByDescending { it.value }.map { it.key }.toMutableList()
+        val firstFood = nameScoreList[0].name
+        orderList.remove(firstFood)
+        orderList.add(0, firstFood)
+
+        val sortedScoreList = maxScoreList.sortedWith(compareBy {
+            orderList.indexOf(it.name)
+        })
+        //Timber.tag("FoodModule").d("getFoodScoreList数据：${sortedScoreList.toJsonString()}")
+        return sortedScoreList
+    }
     fun queryFood(floatArray: FloatArray, queryCount: Int = 15): List<String> {
         val query: Query<Food> =
             box.query(Food_.foodVector.nearestNeighbors(floatArray, queryCount)).build()
         //查询比较分数
 //        val tempList = query.findWithScores().sortedBy { it.score }.map { "${it.get().name}|${it.get().foodIdx}|${it.score}" }
         val map = mutableMapOf<String, Int>()
-        val idScoreList = query.findIdsWithScores()
-        val nameScoreList = mutableListOf<IdNameScore>()
-        idScoreList.forEach {
-            nameScoreList.add(IdNameScore(id = it.id, name = box.get(it.id).name?:"", score = it.score))
-
-            Timber.tag("registerDataChange").d("queryFood数据：${box.get(it.id).name}===score=${it.score}")
-        }
-//        Timber.tag("FoodModule").d("queryFood数据：${nameScoreList.toJsonString()}")
-        idScoreList.filter { it.score < 0.20 }.forEach {
+        query.findIdsWithScores().forEach {
             val food = box.get(it.id)
-            //FoodQueryResult(id = it.id, name = food.name, foodIdx = food.foodIdx, score = it.score)
-            food.name?.let { key ->
-                val count = map[key] ?: 0
-                map[key] = count + 1
+            Timber.d("${food.name}|${food.foodIdx}|${it.score}")
+            if (1 - it.score >= THRESHOLD) {
+                //FoodQueryResult(id = it.id, name = food.name, foodIdx = food.foodIdx, score = it.score)
+                food.name?.let { key ->
+                    val count = map[key] ?: 0
+                    map.put(key, count + 1)
+                }
             }
         }
         val list = map.entries.sortedByDescending { it.value }.map { it.key }
         return list
+
+//        val map = mutableMapOf<String, Int>()
+//        val nameScoreList = queryFoodNameScore(floatArray, queryCount)
+//        nameScoreList.filter { it.score < 0.05 }.forEach {
+//            val count = map[it.name] ?: 0
+//            map[it.name] = count + 1
+//        }
+//        val list = map.entries.sortedByDescending { it.value }.map { it.key }
+//        return list
     }
 
     data class IdNameScore(
         val id:Long,
-        val name:String,
+        var name:String,
         val score: Double
     )
 
diff --git a/app/src/main/java/com/sw/dualscreen/utils/BitmapSaver.kt b/app/src/main/java/com/sw/dualscreen/utils/BitmapSaver.kt
index d608c3b..f02be2f 100644
--- a/app/src/main/java/com/sw/dualscreen/utils/BitmapSaver.kt
+++ b/app/src/main/java/com/sw/dualscreen/utils/BitmapSaver.kt
@@ -30,7 +30,10 @@ object BitmapSaver {
         quality: Int = 100
     ): File? {
         //val dir = context.getExternalFilesDir(null)
-        val dir = context.cacheDir
+        val dir = File(context.cacheDir, "crop")
+        if (dir.exists().not()) {
+            dir.mkdirs()
+        }
         return saveBitmap(bitmap, File(dir, fileName), format, quality)
     }
 
diff --git a/app/src/main/java/com/sw/dualscreen/viewmodel/UserViewModel.kt b/app/src/main/java/com/sw/dualscreen/viewmodel/UserViewModel.kt
index ccdb7d1..abf66d1 100644
--- a/app/src/main/java/com/sw/dualscreen/viewmodel/UserViewModel.kt
+++ b/app/src/main/java/com/sw/dualscreen/viewmodel/UserViewModel.kt
@@ -23,6 +23,7 @@ import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 import timber.log.Timber
+import kotlin.math.atan
 
 class UserViewModel : BaseViewModel() {
 
@@ -210,12 +211,14 @@ class UserViewModel : BaseViewModel() {
         }
     }
 
-    fun getFoodInfo(foodName: String) {
+    fun getFoodInfo(foodName: String, action:(List<FoodInfo>)-> Unit = {}) {
         Timber.d("getFoodInfo")
         launchWithLoading {
             val response = repository.getFoodInfo(foodName = foodName)
             if (parseResponse(response)) {
-                _identifiedFoodInfoList2.value = response.result ?: emptyList()
+                val list = response.result ?: emptyList()
+                _identifiedFoodInfoList2.value = list
+                action(list)
             }
         }
     }
diff --git a/app/src/main/res/drawable/bg_rescan.xml b/app/src/main/res/drawable/bg_rescan.xml
new file mode 100644
index 0000000..8efa9c7
--- /dev/null
+++ b/app/src/main/res/drawable/bg_rescan.xml
@@ -0,0 +1,11 @@
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <corners
+        android:bottomLeftRadius="12dp"
+        android:bottomRightRadius="12dp"
+        android:topLeftRadius="12dp"
+        android:topRightRadius="12dp" />
+    <stroke
+        android:color="#ffff9900"
+        android:width="2dp" />
+</shape>
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_food_collection.xml b/app/src/main/res/layout/activity_food_collection.xml
index 18d317e..3d27766 100644
--- a/app/src/main/res/layout/activity_food_collection.xml
+++ b/app/src/main/res/layout/activity_food_collection.xml
@@ -116,13 +116,14 @@
     <androidx.recyclerview.widget.RecyclerView
         android:id="@+id/rvFoodCollection"
         android:layout_width="match_parent"
-        android:layout_height="wrap_content"
+        android:layout_height="0dp"
+        android:layout_weight="1"
         android:layout_marginHorizontal="3dp"
         android:layout_marginStart="24dp"
         android:layout_marginEnd="24dp"
         app:layoutManager="androidx.recyclerview.widget.GridLayoutManager"
         app:spanCount="3"
-        tools:itemCount="6"
+        tools:itemCount="3"
         tools:listitem="@layout/list_item_food_collection" />
 
     <LinearLayout
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 4335c2c..feaaddf 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -78,6 +78,35 @@
         android:layout_marginHorizontal="60dp"
         android:layout_weight="1" />
 
+    <LinearLayout
+        android:id="@+id/layout_rescan"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="140dp"
+        android:gravity="center"
+        android:orientation="vertical"
+        android:visibility="gone">
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="未识别出菜品，请重试或手动搜索"
+            android:textColor="@color/white"
+            android:textSize="24sp" />
+
+        <TextView
+            android:id="@+id/tv_rescan"
+            android:layout_width="180dp"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="20dp"
+            android:background="@drawable/bg_rescan"
+            android:gravity="center"
+            android:padding="10dp"
+            android:text="重试"
+            android:textColor="#ffff9900"
+            android:textSize="32sp" />
+    </LinearLayout>
+
     <TextView
         android:id="@+id/tv_to_search"
         android:layout_width="wrap_content"
diff --git a/app/src/main/res/layout/item_food_info.xml b/app/src/main/res/layout/item_food_info.xml
index 11cd1da..a096524 100644
--- a/app/src/main/res/layout/item_food_info.xml
+++ b/app/src/main/res/layout/item_food_info.xml
@@ -12,9 +12,10 @@
         android:id="@+id/tv_name"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="肉沫干拌面"
-        android:maxLines="1"
         android:ellipsize="end"
+        android:gravity="center"
+        android:maxLines="2"
+        android:text="肉沫干拌面"
         android:textColor="#ff031127"
         android:textSize="36sp" />