enable predicvie back

android/app/src/main/AndroidManifest.xml

@@ -5,6 +5,7 @@
         android:icon="@mipmap/ic_launcher">
         <activity
             android:name=".MainActivity"
+            android:enableOnBackInvokedCallback="true" 
             android:exported="true"
             android:launchMode="singleTop"
             android:taskAffinity=""
@@ -33,10 +34,10 @@
             android:value="2" />
 
 
-        <service 
+        <!-- <service 
             android:name="com.pravera.flutter_foreground_task.service.ForegroundService"
             android:foregroundServiceType="dataSync|remoteMessaging"
-        android:exported="false" />
+            android:exported="false" /> -->
 
         <meta-data
             android:name="eu.twonly.service.TWONLY_LOGO"

lib/app.dart

@@ -119,10 +119,18 @@ class _AppState extends State<App> with WidgetsBindingObserver {
           ],
           onGenerateTitle: (BuildContext context) => "twonly",
           theme: ThemeData(
-              colorScheme:
-                  ColorScheme.fromSeed(seedColor: const Color(0xFF57CC99)),
-              inputDecorationTheme:
-                  const InputDecorationTheme(border: OutlineInputBorder())),
+            colorScheme: ColorScheme.fromSeed(
+              seedColor: const Color(0xFF57CC99),
+            ),
+            pageTransitionsTheme: const PageTransitionsTheme(
+              builders: {
+                TargetPlatform.android: PredictiveBackPageTransitionsBuilder(),
+              },
+            ),
+            inputDecorationTheme: const InputDecorationTheme(
+              border: OutlineInputBorder(),
+            ),
+          ),
           darkTheme: ThemeData.dark().copyWith(
             colorScheme: ColorScheme.fromSeed(
               brightness: Brightness.dark,

lib/src/views/camera/camera_preview_components/permissions_view.dart

@@ -54,9 +54,7 @@ class PermissionHandlerViewState extends State<PermissionHandlerView> {
 
   @override
   Widget build(BuildContext context) {
-    return PopScope(
-      onPopInvokedWithResult: (bool didPop, Object? result) async {},
-      child: Scaffold(
+    return Scaffold(
       body: Center(
         child: Container(
           padding: EdgeInsets.all(100),
@@ -87,7 +85,6 @@ class PermissionHandlerViewState extends State<PermissionHandlerView> {
           ),
         ),
       ),
-      ),
     );
   }
 }