在启动Flutter之前，增加一个原生的隐私政策界面

android/app/src/main/AndroidManifest.xml

@@ -21,30 +21,38 @@
 
     <application
         android:label="班小二"
-        android:name="cn.banxe.bxe.MyApplication"
+        android:name="${applicationName}"
         android:icon="@mipmap/launcher_icon"
         android:networkSecurityConfig="@xml/network_security_config">
+
+        <!-- 隐私政策Activity - 启动入口 -->
+        <activity
+            android:name=".PrivacyActivity"
+            android:exported="true"
+            android:theme="@style/LaunchTheme"
+            android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity>
+
         <activity
             android:name=".MainActivity"
             android:exported="true"
             android:launchMode="singleTop"
-            android:taskAffinity=""
             android:theme="@style/LaunchTheme"
             android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
             android:hardwareAccelerated="true"
             android:windowSoftInputMode="adjustResize">
             <!-- Specifies an Android theme to apply to this Activity as soon as
                  the Android process has started. This theme is visible to the user
-                 while the Flutter UI initializes. After that, this theme continues
+                 while the Android UI initializes. After that, this theme continues
                  to determine the Window background behind the Flutter UI. -->
             <meta-data
               android:name="io.flutter.embedding.android.NormalTheme"
               android:resource="@style/NormalTheme"
               />
-            <intent-filter>
-                <action android:name="android.intent.action.MAIN"/>
-                <category android:name="android.intent.category.LAUNCHER"/>
-            </intent-filter>
         </activity>
         <!-- Don't delete the meta-data below.
              This is used by the Flutter tool to generate GeneratedPluginRegistrant.java -->