Remove unncessary awaits by passing pref

lib/main.dart

@@ -123,8 +123,9 @@ void _headlessTaskHandler(HeadlessTask task) {
 Future<void> _init(bool isBackground, {String via = ''}) async {
   _isProcessRunning = true;
   _logger.info("Initializing...  inBG =$isBackground via: $via");
+  final SharedPreferences preferences = await SharedPreferences.getInstance();
   await _logFGHeartBeatInfo();
-  _scheduleHeartBeat(isBackground);
+  _scheduleHeartBeat(preferences, isBackground);
   if (isBackground) {
     AppLifecycleService.instance.onAppInBackground('init via: $via');
   } else {
@@ -137,17 +138,17 @@ Future<void> _init(bool isBackground, {String via = ''}) async {
   await UserService.instance.init();
   await UserRemoteFlagService.instance.init();
   await UpdateService.instance.init();
-  await BillingService.instance.init();
-  await CollectionsService.instance.init();
-  await FileUploader.instance.init(isBackground);
-  await LocalSyncService.instance.init();
-  await TrashSyncService.instance.init();
-  await RemoteSyncService.instance.init();
-  await SyncService.instance.init();
-  await MemoriesService.instance.init();
-  await LocalSettings.instance.init();
-  await LocalFileUpdateService.instance.init();
-  await SearchService.instance.init();
+  BillingService.instance.init();
+  await CollectionsService.instance.init(preferences);
+  await FileUploader.instance.init(preferences, isBackground);
+  await LocalSyncService.instance.init(preferences);
+  TrashSyncService.instance.init(preferences);
+  RemoteSyncService.instance.init(preferences);
+  await SyncService.instance.init(preferences);
+  MemoriesService.instance.init();
+  LocalSettings.instance.init(preferences);
+  LocalFileUpdateService.instance.init(preferences);
+  SearchService.instance.init();
   if (Platform.isIOS) {
     PushService.instance.init().then((_) {
       FirebaseMessaging.onBackgroundMessage(
@@ -186,14 +187,14 @@ Future _runWithLogs(Function() function, {String prefix = ""}) async {
   );
 }
 
-Future<void> _scheduleHeartBeat(bool isBackground) async {
-  final prefs = await SharedPreferences.getInstance();
+Future<void> _scheduleHeartBeat(
+    SharedPreferences prefs, bool isBackground) async {
   await prefs.setInt(
     isBackground ? kLastBGTaskHeartBeatTime : kLastFGTaskHeartBeatTime,
     DateTime.now().microsecondsSinceEpoch,
   );
   Future.delayed(kHeartBeatFrequency, () async {
-    _scheduleHeartBeat(isBackground);
+    _scheduleHeartBeat(prefs, isBackground);
   });
 }
 

lib/services/collections_service.dart

@@ -62,8 +62,8 @@ class CollectionsService {
   static final CollectionsService instance =
       CollectionsService._privateConstructor();
 
-  Future<void> init() async {
-    _prefs = await SharedPreferences.getInstance();
+  Future<void> init(SharedPreferences preferences) async {
+    _prefs = preferences;
     final collections = await _db.getAllCollections();
 
     for (final collection in collections) {

lib/services/local_file_update_service.dart

@@ -28,8 +28,8 @@ class LocalFileUpdateService {
     _fileUpdationDB = FileUpdationDB.instance;
   }
 
-  Future<void> init() async {
-    _prefs = await SharedPreferences.getInstance();
+  void init(SharedPreferences preferences) async {
+    _prefs = preferences;
   }
 
   static LocalFileUpdateService instance =

lib/services/local_sync_service.dart

@@ -47,8 +47,8 @@ class LocalSyncService {
   static final LocalSyncService instance =
       LocalSyncService._privateConstructor();
 
-  Future<void> init() async {
-    _prefs = await SharedPreferences.getInstance();
+  Future<void> init(SharedPreferences preferences) async {
+    _prefs = preferences;
     if (!AppLifecycleService.instance.isForeground) {
       await PhotoManager.setIgnorePermissionCheck(true);
     }

lib/services/memories_service.dart

@@ -25,7 +25,7 @@ class MemoriesService extends ChangeNotifier {
 
   static final MemoriesService instance = MemoriesService._privateConstructor();
 
-  Future<void> init() async {
+  void init() {
     addListener(() {
       _cachedMemories = null;
     });

lib/services/remote_sync_service.dart

@@ -65,8 +65,8 @@ class RemoteSyncService {
 
   RemoteSyncService._privateConstructor();
 
-  Future<void> init() async {
-    _prefs = await SharedPreferences.getInstance();
+  void init(SharedPreferences preferences) {
+    _prefs = preferences;
 
     Bus.instance.on<LocalPhotosUpdatedEvent>().listen((event) async {
       if (event.type == EventType.addedOrUpdated) {

lib/services/search_service.dart

@@ -32,7 +32,7 @@ class SearchService {
 
   static final SearchService instance = SearchService._privateConstructor();
 
-  Future<void> init() async {
+  void init() {
     Bus.instance.on<LocalPhotosUpdatedEvent>().listen((event) {
       // only invalidate, let the load happen on demand
       _cachedFilesFuture = null;

lib/services/sync_service.dart

@@ -60,8 +60,8 @@ class SyncService {
 
   static final SyncService instance = SyncService._privateConstructor();
 
-  Future<void> init() async {
-    _prefs = await SharedPreferences.getInstance();
+  Future<void> init(SharedPreferences preferences) async {
+    _prefs = preferences;
     if (Platform.isIOS) {
       _logger.info("Clearing file cache");
       await PhotoManager.clearFileCache();

lib/services/trash_sync_service.dart

@@ -32,8 +32,8 @@ class TrashSyncService {
       TrashSyncService._privateConstructor();
   final _enteDio = Network.instance.enteDio;
 
-  Future<void> init() async {
-    _prefs = await SharedPreferences.getInstance();
+  void init(SharedPreferences preferences) {
+    _prefs = preferences;
   }
 
   Future<void> syncTrash() async {

lib/utils/file_uploader.dart

@@ -70,8 +70,8 @@ class FileUploader {
   }
   static FileUploader instance = FileUploader._privateConstructor();
 
-  Future<void> init(bool isBackground) async {
-    _prefs = await SharedPreferences.getInstance();
+  Future<void> init(SharedPreferences preferences, bool isBackground) async {
+    _prefs = preferences;
     _isBackground = isBackground;
     _processType =
         isBackground ? ProcessType.background : ProcessType.foreground;

lib/utils/local_settings.dart

@@ -13,8 +13,8 @@ class LocalSettings {
   static const kCollectionSortPref = "collection_sort_pref";
   late SharedPreferences _prefs;
 
-  Future<void> init() async {
-    _prefs = await SharedPreferences.getInstance();
+  void init(SharedPreferences preferences) {
+    _prefs = preferences;
   }
 
   AlbumSortKey albumSortKey() {