fix(mobile): blank notifications page after enabling notifications (#29232)

the old notification toggles were removed in a cleanup, so once notifications were enabled the page had nothing left and went blank. show a "notifications enabled" status tile with a shortcut to the system notification settings instead.

i18n/en.json

@@ -1507,6 +1507,9 @@
   "notes": "Notes",
   "nothing_here_yet": "Nothing here yet",
   "notification_backup_reliability": "Enable notifications to improve background backup reliability",
+  "notification_enabled_list_tile_content": "Immich uses notifications for background backup. Manage them in your device settings.",
+  "notification_enabled_list_tile_open_button": "Open settings",
+  "notification_enabled_list_tile_title": "Notifications enabled",
   "notification_permission_dialog_content": "To enable notifications, go to Settings and select allow.",
   "notification_permission_list_tile_content": "Grant permission to enable notifications.",
   "notification_permission_list_tile_enable_button": "Enable Notifications",

mobile/lib/presentation/pages/drift_memory.page.dart

@@ -12,7 +12,6 @@ import 'package:immich_mobile/presentation/widgets/images/image_provider.dart';
 import 'package:immich_mobile/presentation/widgets/memory/memory_bottom_info.widget.dart';
 import 'package:immich_mobile/presentation/widgets/memory/memory_card.widget.dart';
 import 'package:immich_mobile/providers/haptic_feedback.provider.dart';
-import 'package:immich_mobile/utils/system_ui.utils.dart';
 import 'package:immich_mobile/widgets/memories/memory_epilogue.dart';
 import 'package:immich_mobile/widgets/memories/memory_progress_indicator.dart';
 
@@ -50,7 +49,7 @@ class DriftMemoryPage extends HookConsumerWidget {
       SystemChrome.setEnabledSystemUIMode(SystemUiMode.immersive);
       return () {
         // Clean up to normal edge to edge when we are done
-        restoreEdgeToEdge();
+        SystemChrome.setEnabledSystemUIMode(SystemUiMode.edgeToEdge);
       };
     });
 
@@ -329,7 +328,7 @@ class DriftMemoryPage extends HookConsumerWidget {
                               // turn off full screen mode here
                               // https://github.com/Milad-Akarie/auto_route_library/issues/1799
                               context.maybePop();
-                              restoreEdgeToEdge();
+                              SystemChrome.setEnabledSystemUIMode(SystemUiMode.edgeToEdge);
                             },
                             shape: const CircleBorder(),
                             color: Colors.white.withValues(alpha: 0.2),

mobile/lib/presentation/pages/drift_slideshow.page.dart

@@ -19,7 +19,6 @@ import 'package:immich_mobile/providers/asset_viewer/asset_viewer.provider.dart'
 import 'package:immich_mobile/providers/asset_viewer/video_player_provider.dart';
 import 'package:immich_mobile/providers/infrastructure/settings.provider.dart';
 import 'package:immich_mobile/routing/router.dart';
-import 'package:immich_mobile/utils/system_ui.utils.dart';
 import 'package:immich_mobile/widgets/common/immich_loading_indicator.dart';
 import 'package:immich_mobile/widgets/photo_view/photo_view.dart';
 import 'package:wakelock_plus/wakelock_plus.dart';
@@ -77,7 +76,7 @@ class _DriftSlideshowPageState extends ConsumerState<DriftSlideshowPage> with Si
     _pageController.dispose();
     _crossfadeController.dispose();
     unawaited(WakelockPlus.disable());
-    unawaited(restoreEdgeToEdge());
+    SystemChrome.setEnabledSystemUIMode(SystemUiMode.edgeToEdge);
     super.dispose();
   }
 
@@ -256,7 +255,7 @@ class _DriftSlideshowPageState extends ConsumerState<DriftSlideshowPage> with Si
   }
 
   void _onTapUp() async {
-    await (_showAppBar ? SystemChrome.setEnabledSystemUIMode(SystemUiMode.immersive) : restoreEdgeToEdge());
+    await SystemChrome.setEnabledSystemUIMode(_showAppBar ? SystemUiMode.immersive : SystemUiMode.edgeToEdge);
 
     WidgetsBinding.instance.addPostFrameCallback((_) {
       setState(() {

mobile/lib/presentation/widgets/asset_viewer/asset_viewer.page.dart

@@ -23,7 +23,6 @@ import 'package:immich_mobile/providers/asset_viewer/asset_viewer.provider.dart'
 import 'package:immich_mobile/providers/cast.provider.dart';
 import 'package:immich_mobile/providers/infrastructure/current_album.provider.dart';
 import 'package:immich_mobile/providers/infrastructure/timeline.provider.dart';
-import 'package:immich_mobile/utils/system_ui.utils.dart';
 import 'package:immich_mobile/widgets/photo_view/photo_view.dart';
 
 @RoutePage()
@@ -129,7 +128,7 @@ class _AssetViewerState extends ConsumerState<AssetViewer> {
     _reloadSubscription?.cancel();
     _stackChildrenKeepAlive?.close();
 
-    unawaited(restoreEdgeToEdge());
+    SystemChrome.setEnabledSystemUIMode(SystemUiMode.edgeToEdge);
 
     super.dispose();
   }
@@ -252,8 +251,10 @@ class _AssetViewerState extends ConsumerState<AssetViewer> {
   }
 
   void _setSystemUIMode(bool controls, bool details) {
-    final immersive = !controls || (CurrentPlatform.isIOS && details);
-    unawaited(immersive ? SystemChrome.setEnabledSystemUIMode(SystemUiMode.immersiveSticky) : restoreEdgeToEdge());
+    final mode = !controls || (CurrentPlatform.isIOS && details)
+        ? SystemUiMode.immersiveSticky
+        : SystemUiMode.edgeToEdge;
+    unawaited(SystemChrome.setEnabledSystemUIMode(mode));
   }
 
   @override

mobile/lib/utils/system_ui.utils.dart

@@ -1,14 +0,0 @@
-import 'dart:async';
-
-import 'package:flutter/services.dart';
-
-/// Restore the system bars and return to edge-to-edge layout.
-///
-/// On Android 15+/API 36 edge-to-edge is enforced, so calling
-/// setEnabledSystemUIMode(edgeToEdge) does NOT re-show bars that an immersive
-/// mode (immersive / immersiveSticky) previously hid. Explicitly request all
-/// overlays first, then return to edge-to-edge layout.
-Future<void> restoreEdgeToEdge() async {
-  await SystemChrome.setEnabledSystemUIMode(SystemUiMode.manual, overlays: SystemUiOverlay.values);
-  await SystemChrome.setEnabledSystemUIMode(SystemUiMode.edgeToEdge);
-}

mobile/lib/widgets/settings/notification_setting.dart

@@ -48,6 +48,14 @@ class NotificationSetting extends HookConsumerWidget {
                   showPermissionsDialog();
                 }
               }),
+        )
+      else
+        SettingsButtonListTile(
+          icon: Icons.notifications_active_outlined,
+          title: 'notification_enabled_list_tile_title'.tr(),
+          subtileText: 'notification_enabled_list_tile_content'.tr(),
+          buttonText: 'notification_enabled_list_tile_open_button'.tr(),
+          onButtonTap: () => openAppSettings(),
         ),
     ];