feat(flutter): 重构播放页并增加语言切换

lib/pages/mine/widgets/mine_menu.dart

@@ -265,9 +265,16 @@ class MineVipCard extends StatelessWidget {
 
 /// 我的页功能菜单。
 class MineMenuList extends StatelessWidget {
-  const MineMenuList({super.key, required this.onOpen});
+  const MineMenuList({
+    super.key,
+    required this.onOpen,
+    required this.onLanguage,
+    required this.languageLabel,
+  });
 
   final ValueChanged<MineDestination> onOpen;
+  final VoidCallback onLanguage;
+  final String languageLabel;
 
   @override
   Widget build(BuildContext context) {
@@ -313,6 +320,8 @@ class MineMenuList extends StatelessWidget {
               destination: MineDestination.settings,
             ),
             _divider(),
+            _languageRow(context),
+            _divider(),
             _row(
               key: const Key('mine-help'),
               icon: Icons.help_outline_rounded,
@@ -325,6 +334,43 @@ class MineMenuList extends StatelessWidget {
     );
   }
 
+  Widget _languageRow(BuildContext context) {
+    final l10n = AppLocalizations.of(context)!;
+    return ListTile(
+      key: const Key('mine-language'),
+      minTileHeight: 48,
+      contentPadding: const EdgeInsets.symmetric(horizontal: 14),
+      leading: const Icon(
+        Icons.language_rounded,
+        color: AppColors.blue,
+        size: 20,
+      ),
+      title: Text(
+        l10n.language,
+        style: const TextStyle(
+          color: AppColors.onSurface,
+          fontSize: AppDimens.body,
+        ),
+      ),
+      trailing: Row(
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          Text(
+            languageLabel,
+            style: const TextStyle(color: AppColors.muted, fontSize: 11),
+          ),
+          const SizedBox(width: 4),
+          const Icon(
+            Icons.chevron_right_rounded,
+            color: AppColors.subtle,
+            size: 18,
+          ),
+        ],
+      ),
+      onTap: onLanguage,
+    );
+  }
+
   Widget _row({
     required Key key,
     required IconData icon,