feat: show notification and battery optimization warning

mobile/lib/pages/backup/drift_backup.page.dart

@@ -8,6 +8,7 @@ import 'package:immich_mobile/domain/models/album/local_album.model.dart';
 import 'package:immich_mobile/domain/models/store.model.dart';
 import 'package:immich_mobile/entities/store.entity.dart';
 import 'package:immich_mobile/extensions/build_context_extensions.dart';
+import 'package:immich_mobile/extensions/platform_extensions.dart';
 import 'package:immich_mobile/extensions/theme_extensions.dart';
 import 'package:immich_mobile/extensions/translate_extensions.dart';
 import 'package:immich_mobile/generated/translations.g.dart';
@@ -15,11 +16,16 @@ import 'package:immich_mobile/presentation/widgets/backup/backup_toggle_button.w
 import 'package:immich_mobile/providers/background_sync.provider.dart';
 import 'package:immich_mobile/providers/backup/backup_album.provider.dart';
 import 'package:immich_mobile/providers/backup/drift_backup.provider.dart';
+import 'package:immich_mobile/providers/infrastructure/store.provider.dart';
+import 'package:immich_mobile/providers/permission.provider.dart';
 import 'package:immich_mobile/providers/sync_status.provider.dart';
 import 'package:immich_mobile/providers/user.provider.dart';
 import 'package:immich_mobile/routing/router.dart';
 import 'package:immich_mobile/widgets/backup/backup_info_card.dart';
+import 'package:immich_ui/immich_ui.dart';
 import 'package:logging/logging.dart';
+import 'package:permission_handler/permission_handler.dart';
+import 'package:url_launcher/url_launcher.dart';
 import 'package:wakelock_plus/wakelock_plus.dart';
 
 @RoutePage()
@@ -162,11 +168,7 @@ class _DriftBackupPageState extends ConsumerState<DriftBackupPage> {
                       ),
                     ),
                   },
-                  TextButton.icon(
-                    icon: const Icon(Icons.info_outline_rounded),
-                    onPressed: () => context.pushRoute(const DriftUploadDetailRoute()),
-                    label: Text("view_details".t(context: context)),
-                  ),
+                  const _BackupFooter(),
                 ],
               ],
             ),
@@ -177,6 +179,137 @@ class _DriftBackupPageState extends ConsumerState<DriftBackupPage> {
   }
 }
 
+class _BackupFooter extends ConsumerStatefulWidget {
+  const _BackupFooter();
+
+  @override
+  ConsumerState<_BackupFooter> createState() => _BackupFooterState();
+}
+
+class _BackupFooterState extends ConsumerState<_BackupFooter> with WidgetsBindingObserver {
+  @override
+  void initState() {
+    super.initState();
+    WidgetsBinding.instance.addObserver(this);
+  }
+
+  @override
+  void dispose() {
+    WidgetsBinding.instance.removeObserver(this);
+    super.dispose();
+  }
+
+  @override
+  void didChangeAppLifecycleState(AppLifecycleState state) {
+    if (CurrentPlatform.isAndroid && state == AppLifecycleState.resumed && mounted) {
+      unawaited(ref.read(notificationPermissionProvider.notifier).getNotificationPermission());
+      unawaited(ref.read(batteryOptimizationProvider.notifier).getBatteryOptimizationPermission());
+    }
+  }
+
+  void showPermissionsDialog() {
+    showDialog(
+      context: context,
+      builder: (ctx) => AlertDialog(
+        content: Text(context.t.notification_permission_dialog_content),
+        actions: [
+          ImmichTextButton(
+            labelText: context.t.cancel,
+            variant: .ghost,
+            expanded: false,
+            onPressed: () => ContextHelper(ctx).pop(),
+          ),
+          ImmichTextButton(
+            labelText: context.t.settings,
+            variant: .ghost,
+            expanded: false,
+            onPressed: () {
+              ContextHelper(context).pop();
+              openAppSettings();
+            },
+          ),
+        ],
+      ),
+    );
+  }
+
+  void showBatteryOptimizationInfo() {
+    showDialog<void>(
+      context: context,
+      barrierDismissible: false,
+      builder: (BuildContext ctx) {
+        return AlertDialog(
+          title: Text(context.t.backup_controller_page_background_battery_info_title),
+          content: SingleChildScrollView(child: Text(context.t.backup_controller_page_background_battery_info_message)),
+          actions: [
+            ImmichTextButton(
+              labelText: context.t.backup_controller_page_background_battery_info_link,
+              variant: .ghost,
+              expanded: false,
+              onPressed: () => launchUrl(Uri.parse('https://dontkillmyapp.com'), mode: LaunchMode.externalApplication),
+            ),
+            ImmichTextButton(
+              labelText: context.t.backup_controller_page_background_battery_info_ok,
+              variant: .ghost,
+              expanded: false,
+              onPressed: () => ContextHelper(ctx).pop(),
+            ),
+          ],
+        );
+      },
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final isBackupEnabled = ref.watch(_backupStatusProvider).valueOrNull ?? false;
+    final notificationStatus = ref.watch(notificationPermissionProvider);
+    final batteryOptimizationStatus = ref.watch(batteryOptimizationProvider).valueOrNull;
+
+    return Column(
+      children: [
+        if (CurrentPlatform.isAndroid && isBackupEnabled) ...[
+          if (notificationStatus != PermissionStatus.granted)
+            TextButton.icon(
+              iconAlignment: .end,
+              icon: Icon(Icons.open_in_new_outlined, color: context.colorScheme.onSurfaceSecondary),
+              label: Text(
+                context.t.notification_backup_reliability,
+                textAlign: TextAlign.left,
+                style: context.textTheme.bodySmall?.copyWith(color: context.colorScheme.onSurfaceSecondary),
+              ),
+              onPressed: () {
+                ref.read(notificationPermissionProvider.notifier).requestNotificationPermission().then((p) {
+                  if (p == PermissionStatus.permanentlyDenied) {
+                    showPermissionsDialog();
+                  }
+                });
+              },
+            ),
+          if (notificationStatus != PermissionStatus.granted && batteryOptimizationStatus != PermissionStatus.granted)
+            const Divider(indent: 32, endIndent: 32),
+          if (batteryOptimizationStatus != PermissionStatus.granted)
+            TextButton.icon(
+              iconAlignment: .end,
+              icon: Icon(Icons.open_in_new_outlined, color: context.colorScheme.onSurfaceSecondary),
+              label: Text(
+                context.t.battery_optimization_backup_reliability,
+                textAlign: TextAlign.left,
+                style: context.textTheme.bodySmall?.copyWith(color: context.colorScheme.onSurfaceSecondary),
+              ),
+              onPressed: showBatteryOptimizationInfo,
+            ),
+        ],
+        TextButton.icon(
+          icon: const Icon(Icons.info_outline_rounded),
+          onPressed: () => context.pushRoute(const DriftUploadDetailRoute()),
+          label: Text(context.t.view_details),
+        ),
+      ],
+    );
+  }
+}
+
 class _BackupAlbumSelectionCard extends ConsumerWidget {
   const _BackupAlbumSelectionCard();
 
@@ -527,3 +660,7 @@ class _PreparingStatusState extends ConsumerState {
     );
   }
 }
+
+final _backupStatusProvider = StreamProvider.autoDispose<bool?>((ref) async* {
+  yield* ref.watch(storeServiceProvider).watch(StoreKey.enableBackup);
+});

mobile/lib/platform/permission_api.g.dart

@@ -0,0 +1,89 @@
+// Autogenerated from Pigeon (v26.3.4), do not edit directly.
+// See also: https://pub.dev/packages/pigeon
+// ignore_for_file: unused_import, unused_shown_name
+// ignore_for_file: type=lint
+
+import 'dart:async';
+import 'dart:typed_data' show Float64List, Int32List, Int64List;
+
+import 'package:flutter/services.dart';
+import 'package:meta/meta.dart' show immutable, protected, visibleForTesting;
+
+Object? _extractReplyValueOrThrow(List<Object?>? replyList, String channelName, {required bool isNullValid}) {
+  if (replyList == null) {
+    throw PlatformException(
+      code: 'channel-error',
+      message: 'Unable to establish connection on channel: "$channelName".',
+    );
+  } else if (replyList.length > 1) {
+    throw PlatformException(code: replyList[0]! as String, message: replyList[1] as String?, details: replyList[2]);
+  } else if (!isNullValid && (replyList.isNotEmpty && replyList[0] == null)) {
+    throw PlatformException(
+      code: 'null-error',
+      message: 'Host platform returned null value for non-null return value.',
+    );
+  }
+  return replyList.firstOrNull;
+}
+
+enum PermissionStatus { granted, denied, permanentlyDenied }
+
+class _PigeonCodec extends StandardMessageCodec {
+  const _PigeonCodec();
+  @override
+  void writeValue(WriteBuffer buffer, Object? value) {
+    if (value is int) {
+      buffer.putUint8(4);
+      buffer.putInt64(value);
+    } else if (value is PermissionStatus) {
+      buffer.putUint8(129);
+      writeValue(buffer, value.index);
+    } else {
+      super.writeValue(buffer, value);
+    }
+  }
+
+  @override
+  Object? readValueOfType(int type, ReadBuffer buffer) {
+    switch (type) {
+      case 129:
+        final value = readValue(buffer) as int?;
+        return value == null ? null : PermissionStatus.values[value];
+      default:
+        return super.readValueOfType(type, buffer);
+    }
+  }
+}
+
+class PermissionApi {
+  /// Constructor for [PermissionApi].  The [binaryMessenger] named argument is
+  /// available for dependency injection.  If it is left null, the default
+  /// BinaryMessenger will be used which routes to the host platform.
+  PermissionApi({BinaryMessenger? binaryMessenger, String messageChannelSuffix = ''})
+    : pigeonVar_binaryMessenger = binaryMessenger,
+      pigeonVar_messageChannelSuffix = messageChannelSuffix.isNotEmpty ? '.$messageChannelSuffix' : '';
+  final BinaryMessenger? pigeonVar_binaryMessenger;
+
+  static const MessageCodec<Object?> pigeonChannelCodec = _PigeonCodec();
+
+  final String pigeonVar_messageChannelSuffix;
+
+  Future<PermissionStatus> isIgnoringBatteryOptimizations() async {
+    final pigeonVar_channelName =
+        'dev.flutter.pigeon.immich_mobile.PermissionApi.isIgnoringBatteryOptimizations$pigeonVar_messageChannelSuffix';
+    final pigeonVar_channel = BasicMessageChannel<Object?>(
+      pigeonVar_channelName,
+      pigeonChannelCodec,
+      binaryMessenger: pigeonVar_binaryMessenger,
+    );
+    final Future<Object?> pigeonVar_sendFuture = pigeonVar_channel.send(null);
+    final pigeonVar_replyList = await pigeonVar_sendFuture as List<Object?>?;
+
+    final Object? pigeonVar_replyValue = _extractReplyValueOrThrow(
+      pigeonVar_replyList,
+      pigeonVar_channelName,
+      isNullValid: false,
+    );
+    return pigeonVar_replyValue! as PermissionStatus;
+  }
+}

mobile/lib/providers/app_life_cycle.provider.dart

@@ -11,7 +11,7 @@ import 'package:immich_mobile/providers/background_sync.provider.dart';
 import 'package:immich_mobile/providers/backup/drift_backup.provider.dart';
 import 'package:immich_mobile/providers/gallery_permission.provider.dart';
 import 'package:immich_mobile/providers/infrastructure/platform.provider.dart';
-import 'package:immich_mobile/providers/notification_permission.provider.dart';
+import 'package:immich_mobile/providers/permission.provider.dart';
 import 'package:immich_mobile/providers/server_info.provider.dart';
 import 'package:immich_mobile/providers/websocket.provider.dart';
 import 'package:immich_mobile/services/app_settings.service.dart';

mobile/lib/providers/infrastructure/platform.provider.dart

@@ -3,9 +3,10 @@ import 'package:immich_mobile/domain/services/background_worker.service.dart';
 import 'package:immich_mobile/platform/background_worker_api.g.dart';
 import 'package:immich_mobile/platform/background_worker_lock_api.g.dart';
 import 'package:immich_mobile/platform/connectivity_api.g.dart';
-import 'package:immich_mobile/platform/native_sync_api.g.dart';
 import 'package:immich_mobile/platform/local_image_api.g.dart';
+import 'package:immich_mobile/platform/native_sync_api.g.dart';
 import 'package:immich_mobile/platform/network_api.g.dart';
+import 'package:immich_mobile/platform/permission_api.g.dart';
 import 'package:immich_mobile/platform/remote_image_api.g.dart';
 
 final backgroundWorkerFgServiceProvider = Provider((_) => BackgroundWorkerFgService(BackgroundWorkerFgHostApi()));
@@ -18,6 +19,8 @@ final nativeSyncApiProvider = Provider<NativeSyncApi>((_) => NativeSyncApi());
 
 final connectivityApiProvider = Provider<ConnectivityApi>((_) => ConnectivityApi());
 
+final permissionApiProvider = Provider<PermissionApi>((_) => PermissionApi());
+
 final localImageApi = LocalImageApi();
 
 final remoteImageApi = RemoteImageApi();

mobile/lib/providers/permission.provider.dart

@@ -1,6 +1,9 @@
+import 'dart:async';
 import 'dart:io';
 
 import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:immich_mobile/platform/permission_api.g.dart' as pm;
+import 'package:immich_mobile/providers/infrastructure/platform.provider.dart';
 import 'package:permission_handler/permission_handler.dart';
 
 class NotificationPermissionNotifier extends StateNotifier<PermissionStatus> {
@@ -39,3 +42,32 @@ class NotificationPermissionNotifier extends StateNotifier<PermissionStatus> {
 final notificationPermissionProvider = StateNotifierProvider<NotificationPermissionNotifier, PermissionStatus>(
   (ref) => NotificationPermissionNotifier(),
 );
+
+final batteryOptimizationProvider = AsyncNotifierProvider<BatteryOptimizationNotifier, PermissionStatus>(
+  BatteryOptimizationNotifier.new,
+);
+
+class BatteryOptimizationNotifier extends AsyncNotifier<PermissionStatus> {
+  Future<PermissionStatus> getBatteryOptimizationPermission() async {
+    final PermissionStatus status;
+    final isIgnoring = await ref.read(permissionApiProvider).isIgnoringBatteryOptimizations().then((p) => p.toStatus());
+    if (isIgnoring == PermissionStatus.granted) {
+      status = PermissionStatus.granted;
+    } else {
+      status = PermissionStatus.denied;
+    }
+    state = AsyncValue.data(status);
+    return status;
+  }
+
+  @override
+  FutureOr<PermissionStatus> build() => getBatteryOptimizationPermission();
+}
+
+extension on pm.PermissionStatus {
+  PermissionStatus toStatus() => switch (this) {
+    pm.PermissionStatus.granted => PermissionStatus.granted,
+    pm.PermissionStatus.denied => PermissionStatus.denied,
+    pm.PermissionStatus.permanentlyDenied => PermissionStatus.permanentlyDenied,
+  };
+}

mobile/lib/widgets/settings/notification_setting.dart

@@ -2,7 +2,7 @@ import 'package:easy_localization/easy_localization.dart';
 import 'package:flutter/material.dart';
 import 'package:hooks_riverpod/hooks_riverpod.dart';
 import 'package:immich_mobile/extensions/build_context_extensions.dart';
-import 'package:immich_mobile/providers/notification_permission.provider.dart';
+import 'package:immich_mobile/providers/permission.provider.dart';
 import 'package:immich_mobile/services/app_settings.service.dart';
 import 'package:immich_mobile/utils/hooks/app_settings_update_hook.dart';
 import 'package:immich_mobile/widgets/settings/settings_button_list_tile.dart';