added image cache managing

lib/features/home/services/image_cache_manager_service.dart

@@ -0,0 +1,37 @@
+import 'dart:ui';
+
+import 'package:flutter_cache_manager/flutter_cache_manager.dart';
+import 'package:mc_gallery/features/core/services/app_lifecycle_service.dart';
+import 'package:mc_gallery/features/core/services/logging_service.dart';
+import 'package:mc_gallery/locator.dart';
+
+class ImageCacheManagerService with LoggingService {
+  ImageCacheManagerService({
+    required AppLifecycleService appLifecycleService,
+  }) : _appLifecycleService = appLifecycleService {
+    _init();
+  }
+
+  final AppLifecycleService _appLifecycleService;
+
+  Future<void> emptyCache() async => await DefaultCacheManager().emptyCache();
+
+  Future<void> _init() async {
+    _appLifecycleService.addListener(
+      tag: runtimeType.toString(),
+      listener: (final appLifecycleState) async {
+        switch (appLifecycleState) {
+          case AppLifecycleState.resumed:
+            break;
+          case AppLifecycleState.inactive:
+          case AppLifecycleState.paused:
+          case AppLifecycleState.detached:
+            info('Discarding cached images');
+            await DefaultCacheManager().emptyCache();
+        }
+      },
+    );
+  }
+
+  static ImageCacheManagerService get locate => Locator.locate();
+}