add developer page

mobile/lib/domain/utils/background_sync.dart

@@ -44,9 +44,8 @@ class BackgroundSyncManager {
     _userSyncTask = runInIsolateGentle(
       computation: (ref) => ref.read(syncStreamServiceProvider).syncUsers(),
     );
-    return _userSyncTask!
+    return _userSyncTask!.whenComplete(() {
-      ..whenComplete(() {
+      _userSyncTask = null;
-        _userSyncTask = null;
+    });
-      });
   }
 }

mobile/lib/pages/photos/photos.page.dart

@@ -2,6 +2,7 @@ import 'dart:async';
 
 import 'package:auto_route/auto_route.dart';
 import 'package:easy_localization/easy_localization.dart';
+import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_hooks/flutter_hooks.dart';
 import 'package:hooks_riverpod/hooks_riverpod.dart';
@@ -13,6 +14,7 @@ import 'package:immich_mobile/providers/server_info.provider.dart';
 import 'package:immich_mobile/providers/timeline.provider.dart';
 import 'package:immich_mobile/providers/user.provider.dart';
 import 'package:immich_mobile/providers/websocket.provider.dart';
+import 'package:immich_mobile/routing/router.dart';
 import 'package:immich_mobile/widgets/asset_grid/multiselect_grid.dart';
 import 'package:immich_mobile/widgets/common/immich_app_bar.dart';
 import 'package:immich_mobile/widgets/common/immich_loading_indicator.dart';
@@ -128,7 +130,15 @@ class PhotosPage extends HookConsumerWidget {
           child: Container(
             height: kToolbarHeight + context.padding.top,
             color: context.themeData.appBarTheme.backgroundColor,
-            child: const ImmichAppBar(),
+            child: ImmichAppBar(
+              actions: [
+                if (kDebugMode)
+                  IconButton(
+                    icon: const Icon(Icons.science_rounded),
+                    onPressed: () => context.pushRoute(const FeatInDevRoute()),
+                  ),
+              ],
+            ),
           ),
         ),
       ],

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

@@ -0,0 +1,59 @@
+import 'dart:async';
+
+import 'package:auto_route/auto_route.dart';
+import 'package:flutter/material.dart';
+import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:immich_mobile/providers/background_sync.provider.dart';
+
+final _features = [
+  _Features(
+    name: 'Sync Local',
+    icon: Icons.photo_album_rounded,
+    onTap: (ref) => ref.read(backgroundSyncProvider).syncDeviceAlbums(),
+  ),
+  _Features(
+    name: 'Sync Remote',
+    icon: Icons.refresh_rounded,
+    onTap: (ref) => ref.read(backgroundSyncProvider).syncUsers(),
+  ),
+];
+
+@RoutePage()
+class FeatInDevPage extends StatelessWidget {
+  const FeatInDevPage({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('Features in Development'),
+        centerTitle: true,
+      ),
+      body: ListView.builder(
+        itemBuilder: (_, index) {
+          final feat = _features[index];
+          return Consumer(
+            builder: (ctx, ref, _) => ListTile(
+              title: Text(feat.name),
+              trailing: Icon(feat.icon),
+              onTap: () => unawaited(feat.onTap(ref)),
+            ),
+          );
+        },
+        itemCount: _features.length,
+      ),
+    );
+  }
+}
+
+class _Features {
+  const _Features({
+    required this.name,
+    required this.icon,
+    required this.onTap,
+  });
+
+  final String name;
+  final IconData icon;
+  final Future<void> Function(WidgetRef _) onTap;
+}

mobile/lib/routing/router.dart

@@ -61,6 +61,7 @@ import 'package:immich_mobile/pages/search/person_result.page.dart';
 import 'package:immich_mobile/pages/search/recently_added.page.dart';
 import 'package:immich_mobile/pages/search/search.page.dart';
 import 'package:immich_mobile/pages/share_intent/share_intent.page.dart';
+import 'package:immich_mobile/presentation/pages/feat_in_development.page.dart';
 import 'package:immich_mobile/providers/api.provider.dart';
 import 'package:immich_mobile/providers/gallery_permission.provider.dart';
 import 'package:immich_mobile/routing/auth_guard.dart';
@@ -289,6 +290,10 @@ class AppRouter extends RootStackRouter {
       page: ShareIntentRoute.page,
       guards: [_authGuard, _duplicateGuard],
     ),
+    AutoRoute(
+      page: FeatInDevRoute.page,
+      guards: [_authGuard, _duplicateGuard],
+    ),
   ];
 }
 

mobile/lib/routing/router.gr.dart

@@ -736,6 +736,25 @@ class FavoritesRoute extends PageRouteInfo<void> {
   );
 }
 
+/// generated route for
+/// [FeatInDevPage]
+class FeatInDevRoute extends PageRouteInfo<void> {
+  const FeatInDevRoute({List<PageRouteInfo>? children})
+      : super(
+          FeatInDevRoute.name,
+          initialChildren: children,
+        );
+
+  static const String name = 'FeatInDevRoute';
+
+  static PageInfo page = PageInfo(
+    name,
+    builder: (data) {
+      return const FeatInDevPage();
+    },
+  );
+}
+
 /// generated route for
 /// [FilterImagePage]
 class FilterImageRoute extends PageRouteInfo<FilterImageRouteArgs> {