feat(ui): Cache tracked cover images for offline use

lib/src/ui/pages/anime_list.dart

@@ -101,7 +101,7 @@ class AnimeListPage extends StatelessWidget {
           body: PageView(
             // Prevent swiping between pages
             // (https://github.com/flutter/flutter/issues/37510#issuecomment-612663656)
-            physics: NeverScrollableScrollPhysics(),
+            physics: const NeverScrollableScrollPhysics(),
             controller: _controller,
             children: [
               ListView.builder(

lib/src/ui/pages/anime_search.dart

@@ -72,6 +72,7 @@ class AnimeSearchPage extends StatelessWidget {
                         child: ListItem(
                           title: item.title,
                           thumbnailUrl: item.thumbnailUrl,
+                          cached: false,
                           extra: [
                             Align(
                               alignment: Alignment.centerLeft,

lib/src/ui/widgets/image.dart

@@ -1,14 +1,19 @@
+import 'package:cached_network_image/cached_network_image.dart';
 import 'package:flutter/material.dart';
 
 class AnimeCoverImage extends StatelessWidget {
   const AnimeCoverImage({
     required this.url,
+    this.cached = true,
     super.key,
   });
 
   /// The URL to the cover image.
   final String url;
 
+  /// Flag indicating if the image should be cached
+  final bool cached;
+  
   @override
   Widget build(BuildContext context) {
     return ClipRRect(
@@ -19,7 +24,9 @@ class AnimeCoverImage extends StatelessWidget {
         child: DecoratedBox(
           decoration: BoxDecoration(
             image: DecorationImage(
-              image: NetworkImage(url),
+              image: cached ?
+                CachedNetworkImageProvider(url) as ImageProvider :
+                NetworkImage(url),
               fit: BoxFit.cover,
             ),
           ),

lib/src/ui/widgets/list_item.dart

@@ -10,6 +10,7 @@ class ListItem extends StatelessWidget {
     required this.title,
     this.onLeftSwipe,
     this.onRightSwipe,
+    this.cached = true,
     this.extra = const [],
     super.key,
   });
@@ -27,6 +28,9 @@ class ListItem extends StatelessWidget {
   final void Function()? onLeftSwipe;
   final void Function()? onRightSwipe;
 
+  /// Flag indicating whether the thumbnail image should be cached
+  final bool cached;
+  
   @override
   Widget build(BuildContext context) {
     return SwipeableTile.swipeToTrigger(
@@ -68,6 +72,7 @@ class ListItem extends StatelessWidget {
           crossAxisAlignment: CrossAxisAlignment.start,
           children: [
             AnimeCoverImage(
+              cached: cached,
               url: thumbnailUrl,
             ),
 

pubspec.lock

@@ -113,6 +113,27 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "8.4.3"
+  cached_network_image:
+    dependency: "direct main"
+    description:
+      name: cached_network_image
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.2.3"
+  cached_network_image_platform_interface:
+    dependency: transitive
+    description:
+      name: cached_network_image_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.0"
+  cached_network_image_web:
+    dependency: transitive
+    description:
+      name: cached_network_image_web
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.2"
   characters:
     dependency: transitive
     description:
@@ -190,6 +211,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.3.1"
+  ffi:
+    dependency: transitive
+    description:
+      name: ffi
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.1"
   file:
     dependency: transitive
     description:
@@ -216,6 +244,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "8.1.1"
+  flutter_blurhash:
+    dependency: transitive
+    description:
+      name: flutter_blurhash
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.7.0"
+  flutter_cache_manager:
+    dependency: transitive
+    description:
+      name: flutter_cache_manager
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.3.0"
   flutter_launcher_icons:
     dependency: "direct dev"
     description:
@@ -389,6 +431,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.0.0"
+  octo_image:
+    dependency: transitive
+    description:
+      name: octo_image
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.2"
   package_config:
     dependency: transitive
     description:
@@ -403,6 +452,55 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.8.2"
+  path_provider:
+    dependency: transitive
+    description:
+      name: path_provider
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.12"
+  path_provider_android:
+    dependency: transitive
+    description:
+      name: path_provider_android
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.22"
+  path_provider_foundation:
+    dependency: transitive
+    description:
+      name: path_provider_foundation
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.1"
+  path_provider_linux:
+    dependency: transitive
+    description:
+      name: path_provider_linux
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.7"
+  path_provider_platform_interface:
+    dependency: transitive
+    description:
+      name: path_provider_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.5"
+  path_provider_windows:
+    dependency: transitive
+    description:
+      name: path_provider_windows
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.3"
+  pedantic:
+    dependency: transitive
+    description:
+      name: pedantic
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.11.1"
   petitparser:
     dependency: transitive
     description:
@@ -410,6 +508,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "5.1.0"
+  platform:
+    dependency: transitive
+    description:
+      name: platform
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.1.0"
+  plugin_platform_interface:
+    dependency: transitive
+    description:
+      name: plugin_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.3"
   pointycastle:
     dependency: transitive
     description:
@@ -424,6 +536,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.5.1"
+  process:
+    dependency: transitive
+    description:
+      name: process
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "4.2.4"
   provider:
     dependency: transitive
     description:
@@ -445,6 +564,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.2.1"
+  rxdart:
+    dependency: transitive
+    description:
+      name: rxdart
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.27.7"
   shelf:
     dependency: transitive
     description:
@@ -569,6 +695,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.3.1"
+  uuid:
+    dependency: transitive
+    description:
+      name: uuid
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.7"
   vector_math:
     dependency: transitive
     description:
@@ -597,6 +730,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.3.0"
+  win32:
+    dependency: transitive
+    description:
+      name: win32
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.1.3"
+  xdg_directories:
+    dependency: transitive
+    description:
+      name: xdg_directories
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.2.0+3"
   xml:
     dependency: transitive
     description:

pubspec.yaml

@@ -10,6 +10,7 @@ environment:
 dependencies:
   bloc: ^8.1.0
   bottom_bar: ^2.0.3
+  cached_network_image: ^3.2.3
   cupertino_icons: ^1.0.2
   flutter:
     sdk: flutter