Source Code added

mobile/lib/utils/hooks/app_settings_update_hook.dart

@@ -0,0 +1,13 @@
+import 'package:flutter/cupertino.dart';
+import 'package:flutter_hooks/flutter_hooks.dart' hide Store;
+import 'package:immich_mobile/services/app_settings.service.dart';
+import 'package:immich_mobile/entities/store.entity.dart';
+
+ValueNotifier<T> useAppSettingsState<T>(AppSettingsEnum<T> key) {
+  final notifier = useState<T>(Store.get(key.storeKey, key.defaultValue));
+
+  // Listen to changes to the notifier and update app settings
+  useValueChanged(notifier.value, (_, __) => Store.put(key.storeKey, notifier.value));
+
+  return notifier;
+}

mobile/lib/utils/hooks/blurhash_hook.dart

@@ -0,0 +1,26 @@
+import 'dart:convert';
+import 'dart:typed_data';
+import 'package:flutter_hooks/flutter_hooks.dart';
+import 'package:immich_mobile/domain/models/asset/base_asset.model.dart';
+import 'package:immich_mobile/entities/asset.entity.dart';
+import 'package:thumbhash/thumbhash.dart' as thumbhash;
+
+ObjectRef<Uint8List?> useBlurHashRef(Asset? asset) {
+  if (asset?.thumbhash == null) {
+    return useRef(null);
+  }
+
+  final rbga = thumbhash.thumbHashToRGBA(base64Decode(asset!.thumbhash!));
+
+  return useRef(thumbhash.rgbaToBmp(rbga));
+}
+
+ObjectRef<Uint8List?> useDriftBlurHashRef(RemoteAsset? asset) {
+  if (asset?.thumbHash == null) {
+    return useRef(null);
+  }
+
+  final rbga = thumbhash.thumbHashToRGBA(base64Decode(asset!.thumbHash!));
+
+  return useRef(thumbhash.rgbaToBmp(rbga));
+}

mobile/lib/utils/hooks/crop_controller_hook.dart

@@ -0,0 +1,8 @@
+import 'package:flutter_hooks/flutter_hooks.dart';
+import 'package:crop_image/crop_image.dart';
+import 'dart:ui'; // Import the dart:ui library for Rect
+
+/// A hook that provides a [CropController] instance.
+CropController useCropController() {
+  return useMemoized(() => CropController(defaultCrop: const Rect.fromLTRB(0, 0, 1, 1)));
+}

mobile/lib/utils/hooks/interval_hook.dart

@@ -0,0 +1,15 @@
+import 'dart:async';
+import 'dart:ui';
+
+import 'package:flutter_hooks/flutter_hooks.dart';
+
+// https://github.com/rrousselGit/flutter_hooks/issues/233#issuecomment-840416638
+void useInterval(Duration delay, VoidCallback callback) {
+  final savedCallback = useRef(callback);
+  savedCallback.value = callback;
+
+  useEffect(() {
+    final timer = Timer.periodic(delay, (_) => savedCallback.value());
+    return timer.cancel;
+  }, [delay]);
+}

mobile/lib/utils/hooks/timer_hook.dart

@@ -0,0 +1,36 @@
+import 'package:async/async.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_hooks/flutter_hooks.dart';
+
+RestartableTimer useTimer(Duration duration, void Function() callback) {
+  return use(_TimerHook(duration: duration, callback: callback));
+}
+
+class _TimerHook extends Hook<RestartableTimer> {
+  final Duration duration;
+  final void Function() callback;
+
+  const _TimerHook({required this.duration, required this.callback});
+  @override
+  HookState<RestartableTimer, Hook<RestartableTimer>> createState() => _TimerHookState();
+}
+
+class _TimerHookState extends HookState<RestartableTimer, _TimerHook> {
+  late RestartableTimer timer;
+  @override
+  void initHook() {
+    super.initHook();
+    timer = RestartableTimer(hook.duration, hook.callback);
+  }
+
+  @override
+  RestartableTimer build(BuildContext context) {
+    return timer;
+  }
+
+  @override
+  void dispose() {
+    timer.cancel();
+    super.dispose();
+  }
+}