feat(flutter): 首页顶栏改为通知铃铛入口

lib/pages/home/widgets/home_browse_header.dart

@@ -5,10 +5,11 @@ import 'package:flutter/material.dart';
 import '../../../core/theme/app_colors.dart';
 import '../../../core/theme/app_dimens.dart';
 import '../../../l10n/app_localizations.dart';
+import '../../notices/notices_page.dart';
 
 const double _searchHeight = 36;
 
-/// 首页固定顶栏：搜索、星期与头像入口。
+/// 首页固定顶栏：搜索、通知与头像入口。
 class HomeBrowseHeader extends StatelessWidget {
   const HomeBrowseHeader({
     super.key,
@@ -22,7 +23,6 @@ class HomeBrowseHeader extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     final l10n = AppLocalizations.of(context)!;
-    final weekday = _weekday(l10n);
     return SizedBox(
       height: AppDimens.contentHeaderHeight,
       child: Padding(
@@ -33,7 +33,7 @@ class HomeBrowseHeader extends StatelessWidget {
           children: [
             Expanded(child: _search(l10n, onSearch)),
             const SizedBox(width: AppDimens.spaceSm),
-            _weekdayText(weekday),
+            _notifications(context, l10n),
             const SizedBox(width: AppDimens.spaceSm),
             _profile(l10n),
           ],
@@ -42,18 +42,6 @@ class HomeBrowseHeader extends StatelessWidget {
     );
   }
 
-  String _weekday(AppLocalizations l10n) {
-    return switch (DateTime.now().weekday) {
-      DateTime.monday => l10n.weekdayMon,
-      DateTime.tuesday => l10n.weekdayTue,
-      DateTime.wednesday => l10n.weekdayWed,
-      DateTime.thursday => l10n.weekdayThu,
-      DateTime.friday => l10n.weekdayFri,
-      DateTime.saturday => l10n.weekdaySat,
-      _ => l10n.weekdaySun,
-    };
-  }
-
   Widget _search(AppLocalizations l10n, VoidCallback onTap) {
     return Semantics(
       button: true,
@@ -95,14 +83,29 @@ class HomeBrowseHeader extends StatelessWidget {
     );
   }
 
-  Widget _weekdayText(String value) {
-    return Text(
-      value,
-      key: const Key('home-weekday'),
-      style: const TextStyle(
-        color: AppColors.muted,
-        fontSize: AppDimens.caption,
-        fontWeight: FontWeight.w600,
+  Widget _notifications(BuildContext context, AppLocalizations l10n) {
+    return Semantics(
+      button: true,
+      label: l10n.notices,
+      child: InkWell(
+        key: const Key('home-notifications'),
+        customBorder: const CircleBorder(),
+        onTap: () => Navigator.of(
+          context,
+        ).push(MaterialPageRoute<void>(builder: (_) => const NoticesPage())),
+        child: Container(
+          width: AppDimens.tapTarget,
+          height: AppDimens.tapTarget,
+          decoration: const BoxDecoration(
+            color: AppColors.card,
+            shape: BoxShape.circle,
+          ),
+          child: const Icon(
+            Icons.notifications_none_rounded,
+            color: AppColors.onSurface,
+            size: AppDimens.accountIcon,
+          ),
+        ),
       ),
     );
   }

test/home/home_preview_layout_test.dart

@@ -63,7 +63,7 @@ void main() {
 
     expect(find.byKey(const Key('home-search')), findsOneWidget);
     expect(find.byKey(const Key('home-profile')), findsOneWidget);
-    expect(find.byKey(const Key('home-weekday')), findsOneWidget);
+    expect(find.byKey(const Key('home-notifications')), findsOneWidget);
     for (final channel in ['hot', 'free', 'newReleases', 'ranking']) {
       expect(find.byKey(Key('home-channel-$channel')), findsOneWidget);
     }
@@ -76,6 +76,35 @@ void main() {
     expect(tester.takeException(), isNull);
   });
 
+  testWidgets('should_open_notices_when_bell_is_tapped', (tester) async {
+    SharedPreferencesAsyncPlatform.instance =
+        InMemorySharedPreferencesAsync.empty();
+    tester.view.physicalSize = const Size(390, 844);
+    tester.view.devicePixelRatio = 1;
+    addTearDown(tester.view.resetPhysicalSize);
+    addTearDown(tester.view.resetDevicePixelRatio);
+    final catalog = FakeCatalogRepository();
+    await tester.pumpWidget(
+      LumaDramaApp(
+        playerFactory: createWidgetPlayer,
+        catalogRepository: catalog,
+        categoryRepository: FakeCategoryRepository(catalog: catalog),
+        watchHistoryRepository: InMemoryWatchHistoryRepository(),
+        favoriteRepository: InMemoryFavoriteRepository(cards: catalog.dramas),
+        playbackRepository: FakePlaybackRepository(),
+        commentRepository: FakeCommentRepository(),
+        interactionRepository: FakeInteractionRepository(),
+        noticeRepository: FakeNoticeRepository(),
+        haptics: FakeHaptics(),
+      ),
+    );
+    await tester.pumpAndSettle();
+
+    await tester.tap(find.byKey(const Key('home-notifications')));
+    await tester.pumpAndSettle();
+    expect(find.byKey(const Key('notices-page')), findsOneWidget);
+  });
+
   testWidgets('should_use_episode_title_then_drama_title_as_fallback', (
     tester,
   ) async {