优化

app/src/main/java/com/sw/inbound/activity/FoodCollectionActivity.kt

@@ -93,11 +93,18 @@ class FoodCollectionActivity : ComponentActivity() {
     override fun onResume() {
         super.onResume()
         cameraUtils.bind()
+        binding.llCameraFlag.run {
+            visible()
+            postDelayed({
+                gone()
+            }, 3000)
+        }
     }
 
     override fun onPause() {
         super.onPause()
         cameraUtils.unbind()
+        binding.llCameraFlag.visible()
     }
 
     @SuppressLint("NotifyDataSetChanged")
@@ -377,6 +384,7 @@ class FoodCollectionActivity : ComponentActivity() {
         if (emptyBinding == null) {
             emptyBinding = LayoutEmptySearchBinding.inflate(layoutInflater, binding.rvSearch, false)
         }
+        emptyBinding?.tvContent?.text = "请检查物品名称，或稍后重新搜索"
         emptyBinding?.root?.let { layout ->
             layout.setOnClickListener { layout.hideKeyboard() }
             searchAdapter.stateView = layout

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

@@ -76,11 +76,48 @@
         </LinearLayout>
 
         <FrameLayout
-            android:id="@+id/flCameraPreview"
+            android:id="@+id/flPreview"
             android:layout_width="420dp"
             android:layout_height="420dp"
             app:layout_constraintStart_toStartOf="@id/layoutTop"
-            app:layout_constraintTop_toBottomOf="@id/layoutTop" />
+            app:layout_constraintTop_toBottomOf="@id/layoutTop">
+
+            <androidx.cardview.widget.CardView
+                android:id="@+id/flCameraPreview"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:layout_gravity="center"
+                android:layout_margin="2dp"
+                app:cardCornerRadius="10dp"
+                app:cardElevation="0dp"/>
+
+            <LinearLayout
+                android:id="@+id/llCameraFlag"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:layout_gravity="center"
+                android:background="@drawable/bg_white_radius10_stroke2_dash"
+                android:gravity="center"
+                android:orientation="vertical"
+                android:visibility="visible">
+
+                <ImageView
+                    android:layout_width="96dp"
+                    android:layout_height="wrap_content"
+                    android:layout_gravity="center"
+                    android:scaleType="centerCrop"
+                    android:src="@mipmap/ic_camera_gray"
+                    tools:ignore="ContentDescription" />
+
+                <TextView
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="24dp"
+                    android:text="图片采集"
+                    android:textColor="#ffb4b4c8"
+                    android:textSize="24sp" />
+            </LinearLayout>
+        </FrameLayout>
 
         <TextView
             android:id="@+id/btnTakePhoto"
@@ -94,9 +131,9 @@
             android:textColor="#FF0032C8"
             android:textSize="36sp"
             android:textStyle="bold"
-            app:layout_constraintEnd_toEndOf="@id/flCameraPreview"
-            app:layout_constraintStart_toStartOf="@id/flCameraPreview"
-            app:layout_constraintTop_toBottomOf="@id/flCameraPreview" />
+            app:layout_constraintEnd_toEndOf="@id/flPreview"
+            app:layout_constraintStart_toStartOf="@id/flPreview"
+            app:layout_constraintTop_toBottomOf="@id/flPreview" />
 
         <TextView
             android:id="@+id/btnClearData"
@@ -121,8 +158,8 @@
             android:layout_marginStart="20dp"
             android:overScrollMode="never"
             app:layoutManager="androidx.recyclerview.widget.GridLayoutManager"
-            app:layout_constraintStart_toEndOf="@id/flCameraPreview"
-            app:layout_constraintTop_toTopOf="@id/flCameraPreview"
+            app:layout_constraintStart_toEndOf="@id/flPreview"
+            app:layout_constraintTop_toTopOf="@id/flPreview"
             app:spanCount="3"
             tools:itemCount="6"
             tools:listitem="@layout/list_item_food_collection" />
@@ -137,7 +174,7 @@
             android:orientation="horizontal"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toEndOf="@id/rvFoodCollection"
-            app:layout_constraintTop_toTopOf="@id/flCameraPreview">
+            app:layout_constraintTop_toTopOf="@id/flPreview">
 
             <TextView
                 android:layout_width="wrap_content"
@@ -157,7 +194,7 @@
                 android:orientation="horizontal"
                 app:layout_constraintEnd_toEndOf="parent"
                 app:layout_constraintStart_toEndOf="@id/rvFoodCollection"
-                app:layout_constraintTop_toTopOf="@id/flCameraPreview">
+                app:layout_constraintTop_toTopOf="@id/flPreview">
 
                 <RadioButton
                     android:id="@+id/rbCollected"
@@ -199,10 +236,10 @@
             android:background="@drawable/bg_gray"
             android:gravity="center_vertical"
             android:orientation="horizontal"
+            android:visibility="gone"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toEndOf="@id/rvFoodCollection"
-            app:layout_constraintTop_toBottomOf="@id/layoutTab"
-            android:visibility="gone">
+            app:layout_constraintTop_toBottomOf="@id/layoutTab">
 
             <EditText
                 android:id="@+id/etGoodsInput"

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

@@ -24,6 +24,7 @@
         android:textStyle="bold" />
 
     <TextView
+        android:id="@+id/tvContent"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:text="请检查物品名称，或点击“添加物品”按钮新增物品信息"