修改菜品识别逻辑

app/src/main/java/com/sw/dualscreen/presentation/SecondaryScreenPresentation.kt

@@ -74,8 +74,9 @@ class SecondaryScreenPresentation(
     private lateinit var itemUserNutritionBinding: ItemUserNutritionBinding
     private lateinit var stepChangeCallback: (Int) -> Unit
 
-    // 上一次的计算热量结果
-    private var lastWeight = 0.0
+
+    private var detectWeight = 0.0 //识别菜品时的重量
+    private var lastWeight = 0.0  // 上一次的计算热量结果
     private val debouncer = Debouncer(500)
     private var recognitionTime: Long = 0L // 人脸识别时的时间
     private var recognitionWeight: Double = 0.0 // 人脸识别时的重量
@@ -288,6 +289,10 @@ class SecondaryScreenPresentation(
         calculateNutrition(recognitionWeight - lastWeight)
     }
 
+    fun updateDetectWeight(weight: Double) {
+        detectWeight = weight * 1000 // 将千克转成克
+    }
+
     /**
      * 余量取餐
      */