添加了副屏显示逻辑控制

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

@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/main"
     android:layout_width="match_parent"
@@ -21,21 +20,22 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_gravity="end"
-            android:padding="28dp"
             android:background="@drawable/bg_detection_selector">
 
-            <com.sw.dualscreen.view.CustomSpinner
+            <Spinner
                 android:id="@+id/spinner"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                app:spinnerTextColor="#ffece7d0"
-                app:spinnerTextSize="26sp" />
+                style="@style/customSpinnerStyle"
+                android:layout_gravity="end"
+                android:padding="0dp"
+                android:popupBackground="@drawable/shape_for_custom_spinner" />
         </LinearLayout>
 
     </FrameLayout>
 
     <TextView
-        android:id="@+id/tv_goods"
+        android:id="@+id/tv_food_name"
         style="@style/text_title_blob"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
@@ -46,7 +46,7 @@
         android:layout_width="match_parent"
         android:layout_height="531dp"
         android:layout_marginHorizontal="60dp"
-        android:layout_marginTop="120dp"
+        android:layout_marginTop="110dp"
         android:layout_marginBottom="90dp"
         android:visibility="visible">
 
@@ -55,6 +55,13 @@
             android:layout_width="match_parent"
             android:layout_height="match_parent" />
 
+        <ImageView
+            android:id="@+id/iv_img"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:contentDescription="食物图预览"
+            android:visibility="gone" />
+
         <View
             android:layout_width="match_parent"
             android:layout_height="match_parent"