识别图片处理、查询菜品数据

app/objectbox-models/default.json

@@ -0,0 +1,49 @@
+{
+  "_note1": "KEEP THIS FILE! Check it into a version control system (VCS) like git.",
+  "_note2": "ObjectBox manages crucial IDs for your object model. See docs for details.",
+  "_note3": "If you have VCS merge conflicts, you must resolve them according to ObjectBox docs.",
+  "entities": [
+    {
+      "id": "1:594331511073099531",
+      "lastPropertyId": "4:1528837175750321569",
+      "name": "Food",
+      "properties": [
+        {
+          "id": "1:2317727855243736226",
+          "name": "id",
+          "type": 6,
+          "flags": 1
+        },
+        {
+          "id": "2:340951913928211738",
+          "name": "name",
+          "type": 9
+        },
+        {
+          "id": "3:5484846939472684412",
+          "name": "foodIdx",
+          "type": 5
+        },
+        {
+          "id": "4:1528837175750321569",
+          "name": "foodVector",
+          "indexId": "1:6010838397086628487",
+          "type": 28,
+          "flags": 8
+        }
+      ],
+      "relations": []
+    }
+  ],
+  "lastEntityId": "1:594331511073099531",
+  "lastIndexId": "1:6010838397086628487",
+  "lastRelationId": "0:0",
+  "lastSequenceId": "0:0",
+  "modelVersion": 5,
+  "modelVersionParserMinimum": 5,
+  "retiredEntityUids": [],
+  "retiredIndexUids": [],
+  "retiredPropertyUids": [],
+  "retiredRelationUids": [],
+  "version": 1
+}

app/src/main/java/com/sw/dualscreen/activity/MainActivity.kt

@@ -34,8 +34,11 @@ import com.sw.dualscreen.objbox.FoodModule
 import com.sw.dualscreen.presentation.SecondaryScreenPresentation
 import com.sw.dualscreen.sdk.SensorScaleUtils
 import com.sw.dualscreen.utils.AssetsTool
+import com.sw.dualscreen.utils.BitmapCropper
+import com.sw.dualscreen.utils.BitmapSaver
 import com.sw.dualscreen.utils.Debouncer
 import com.sw.dualscreen.utils.GlideUtils
+import com.sw.dualscreen.utils.GsonUtils
 import com.sw.dualscreen.utils.ImageUtil
 import com.sw.dualscreen.view.CustomBottomSheetDialog
 import com.sw.dualscreen.viewmodel.BaseViewModel
@@ -170,6 +173,18 @@ 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
+                }
+            }
+        }
         lifecycleScope.launch {
             viewModel.identifiedFoodInfoList.collect { list ->
                 adapter.updateData(list)
@@ -192,19 +207,17 @@ class MainActivity : BaseActivity<ActivityMainBinding>() {
                         Timber.d("registerDataChange photoUri = ${photoUri.path}")
 //                        viewModel.getIdentifiedFoodList()
 
-                        AssetsTool.loadImageBitmapFromAssets(this, "data/20251016-091510.png") { bitmap ->
-                            val resultList = FoodModule.queryFood(bitmap)
-                            val name = resultList.joinToString(separator = ",") { it.name.toString() }
-                            Timber.d("registerDataChange 固定图片识别数据名称:$name")
-                        }
-
                         ImageUtil.uriToBitmap(this, photoUri)?.let { bitmap ->
                             Timber.d("registerDataChange photoUri 拿到bitmap")
-                            val resultList = FoodModule.queryFood(bitmap)
+                            val bmp = BitmapCropper.cropCenter(bitmap, 1300, 900)
+                            Timber.d("registerDataChange photoUri bitmap裁剪完成")
+                            val file = BitmapSaver.saveToAppFilesDir(bmp, this, "IMG_CROP_${System.currentTimeMillis()}.jpg")
+                            Timber.d("registerDataChange photoUri bitmap保存文件路径：${file?.absolutePath}")
+                            val resultList = FoodModule.queryFood(bmp)
                             Timber.d("registerDataChange photoUri 拿到识别数据")
-                            val name = resultList.joinToString(separator = ",") { it.name.toString() }
+                            val foodName = resultList.joinToString(separator = ",")
-                            Timber.d("registerDataChange photoUri 识别数据名称:$name")
+                            Timber.d("registerDataChange photoUri 识别数据名称:$foodName")
-//                            Toast.makeText(this, "${res.name}|${res.foodIdx}|${res.score}", Toast.LENGTH_LONG).show()
+                            viewModel.getFoodInfo(foodName)
                         }
                     }
                 }

app/src/main/java/com/sw/dualscreen/network/api/ApiService.kt

@@ -99,4 +99,14 @@ interface ApiService {
         @Url url: String = "${GlobalData.appBaseUrl}/zhstapi/zhst/userEatFood/doubleBalance/face/stall",
         @Body param: List<UserNutritionParam>
     ): ApiResponse<String>
+
+    /**
+     * 获取菜品信息
+     */
+    @GET
+    suspend fun getFoodInfo(
+        @Url url: String = "${GlobalData.appBaseUrl}/zhstapi/zhst/getRestInfoFoodsByType/stall/v2",
+        @Query("restId") restId: String,
+        @Query("foodNames") foodName: String,
+    ): ApiResponse<List<FoodInfo>>
 }

app/src/main/java/com/sw/dualscreen/objbox/DataBean.kt

@@ -6,9 +6,9 @@ data class FoodClassInfo(
     var idx_to_class: Map<String, String>
 )
 
-data class FoodQueryResult(
+//data class FoodQueryResult(
-    var id: Long,
+//    var id: Long,
-    var name: String?,
+//    var name: String?,
-    var foodIdx: Int,
+//    var foodIdx: Int,
-    var score: Double
+//    var score: Double
-)
+//)

app/src/main/java/com/sw/dualscreen/objbox/FoodModule.kt

@@ -29,15 +29,15 @@ object FoodModule {
     fun init(context: Context) {
         module_mobile = Module.load(copyAssetToCache(context, "best_embedding_model_mobile.pt"))
         box = ObjectBox.boxStore.boxFor(Food::class)
-        if (box.all.isNotEmpty()) {
+//        if (box.all.isNotEmpty()) {
-            box.removeAll()
+//            box.removeAll()
-        }
+//        }
         if (box.all.isEmpty()) {
             initFoodData(context)
         }
     }
 
-    fun queryFood(bitmap: Bitmap, queryCount:Int = 30): MutableList<FoodQueryResult> {
+    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
@@ -48,23 +48,21 @@ object FoodModule {
         return queryFood(floatArray,queryCount)
     }
 
-    fun queryFood(floatArray: FloatArray, queryCount:Int = 30): MutableList<FoodQueryResult> {
+    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 resultList = mutableListOf<FoodQueryResult>()
+        val map = mutableMapOf<String, Int>()
         query.findIdsWithScores().forEach {
             val food = box.get(it.id)
-            resultList.add(
+            //FoodQueryResult(id = it.id, name = food.name, foodIdx = food.foodIdx, score = it.score)
-                FoodQueryResult(
+            food.name?.let { key ->
-                    id = it.id,
+                val count = map[key] ?: 0
-                    name = food.name,
+                map.put(key, count + 1)
-                    foodIdx = food.foodIdx,
+            }
-                    score = it.score
-                )
-            )
         }
-        return resultList
+        val list = map.entries.sortedByDescending { it.value }.map { it.key }
+        return list
     }
 
 

app/src/main/java/com/sw/dualscreen/objbox/ObjectBox.kt

@@ -42,6 +42,11 @@ import kotlin.jvm.javaClass
  */
 object ObjectBox {
 
+//    确保所有设备/版本使用相同的objectbox-models/default.json
+//    避免直接修改自动生成的MyObjectBox类
+//    跨版本升级时使用boxStore.runInTx执行数据迁移
+
+
     private const val TAG = "ObjectBox"
 
     lateinit var boxStore: BoxStore

app/src/main/java/com/sw/dualscreen/repository/RemoteRepository.kt

@@ -103,4 +103,16 @@ class RemoteRepository constructor(
     ): ApiResponse<String> {
         return safeApiCall { apiService.postUserNutritionData(param = param) }
     }
+
+    /**
+     * 获取菜品信息
+     * @param restId 从device服务获取的canteenId字段
+     * @param foodName 菜品名称，多个使用逗号拼接
+     */
+    suspend fun getFoodInfo(
+        restId: String = GlobalData.restId,
+        foodName: String,
+    ): ApiResponse<List<FoodInfo>> {
+        return safeApiCall { apiService.getFoodInfo(restId = restId, foodName = foodName) }
+    }
 }

app/src/main/java/com/sw/dualscreen/utils/BitmapCropper.kt

@@ -0,0 +1,38 @@
+package com.sw.dualscreen.utils
+import android.graphics.Bitmap
+
+object BitmapCropper {
+    /**
+     * 裁剪Bitmap中心区域为指定尺寸
+     * @param original 原始Bitmap
+     * @param targetWidth 目标宽度
+     * @param targetHeight 目标高度
+     * @return 裁剪后的Bitmap
+     */
+    fun cropCenter(original: Bitmap, targetWidth: Int, targetHeight: Int): Bitmap {
+        val originalWidth = original.width
+        val originalHeight = original.height
+        
+        // 计算中心点坐标
+        var startX = (originalWidth - targetWidth) / 2
+        var startY = (originalHeight - targetHeight) / 2
+        
+        // 边界检查
+        startX = startX.coerceAtLeast(0)
+        startY = startY.coerceAtLeast(0)
+        val actualWidth = minOf(targetWidth, originalWidth - startX)
+        val actualHeight = minOf(targetHeight, originalHeight - startY)
+        
+        return Bitmap.createBitmap(original, startX, startY, actualWidth, actualHeight)
+    }
+}
+
+// 使用示例
+fun main() {
+    // 假设这是从资源加载的Bitmap
+    val originalBitmap = Bitmap.createBitmap(1000, 1000, Bitmap.Config.ARGB_8888)
+    
+    // 裁剪中心500x500区域
+    val croppedBitmap = BitmapCropper.cropCenter(originalBitmap, 500, 500)
+    println("裁剪后尺寸：${croppedBitmap.width}x${croppedBitmap.height}")
+}

app/src/main/java/com/sw/dualscreen/utils/BitmapSaver.kt

@@ -0,0 +1,53 @@
+package com.sw.dualscreen.utils
+import android.content.Context
+import android.graphics.Bitmap
+import android.os.Environment
+import java.io.File
+import java.io.FileOutputStream
+import java.io.IOException
+
+object BitmapSaver {
+    // 保存到公共目录（需WRITE_EXTERNAL_STORAGE权限）
+    fun saveToPublicDirectory(
+        bitmap: Bitmap,
+        folderName: String = Environment.DIRECTORY_PICTURES,
+        fileName: String,
+        format: Bitmap.CompressFormat = Bitmap.CompressFormat.PNG,
+        quality: Int = 100
+    ): File? {
+        val dir = Environment.getExternalStoragePublicDirectory(folderName)
+        if (!dir.exists()) dir.mkdirs()
+        
+        return saveBitmap(bitmap, File(dir, fileName), format, quality)
+    }
+
+    // 保存到应用私有目录（无需权限）
+    fun saveToAppFilesDir(
+        bitmap: Bitmap,
+        context: Context,
+        fileName: String,
+        format: Bitmap.CompressFormat = Bitmap.CompressFormat.JPEG,
+        quality: Int = 100
+    ): File? {
+        val dir = context.getExternalFilesDir(null)
+        return saveBitmap(bitmap, File(dir, fileName), format, quality)
+    }
+
+    private fun saveBitmap(
+        bitmap: Bitmap,
+        outputFile: File,
+        format: Bitmap.CompressFormat,
+        quality: Int
+    ): File? {
+        return try {
+            FileOutputStream(outputFile).use { fos ->
+                bitmap.compress(format, quality, fos)
+                fos.flush()
+            }
+            outputFile
+        } catch (e: IOException) {
+            e.printStackTrace()
+            null
+        }
+    }
+}

app/src/main/java/com/sw/dualscreen/viewmodel/UserViewModel.kt

@@ -49,6 +49,8 @@ class UserViewModel : BaseViewModel() {
      */
     private val _loadFaceResult = MutableStateFlow<Boolean>(false)
     val loadFaceResult : StateFlow<Boolean> = _loadFaceResult
+    private val _identifiedFoodInfoList2 = MutableStateFlow<List<FoodInfo>>(emptyList())
+    val identifiedFoodInfoList2: StateFlow<List<FoodInfo>> = _identifiedFoodInfoList2
 
     /**
      * 获取token
@@ -205,4 +207,14 @@ class UserViewModel : BaseViewModel() {
             }
         }
     }
+
+    fun getFoodInfo(foodName: String) {
+        Timber.d("getFoodInfo")
+        launchWithLoading {
+            val response = repository.getFoodInfo(foodName = foodName)
+            if (parseResponse(response)) {
+                _identifiedFoodInfoList2.value = response.result ?: emptyList()
+            }
+        }
+    }
 }