style(nav): 对齐四 Tab 底栏布局规格

lib/pages/discover/discover_view.dart

@@ -17,7 +17,6 @@ import '../../core/formatting/error_text.dart';
 import '../../core/theme/app_colors.dart';
 import '../../core/theme/app_dimens.dart';
 import '../../core/theme/app_theme.dart';
-import '../../core/widgets/app_bottom_nav.dart';
 import '../../core/widgets/app_pull_to_refresh.dart';
 import '../../core/widgets/app_root_tab.dart';
 import '../../core/widgets/catalog_debug_info.dart';
@@ -160,7 +159,7 @@ class _DiscoverPageState extends State<DiscoverPage> {
               loading: logic.searchLoading,
             ),
             Expanded(child: _feed(l10n, categories)),
-            if (!embedded) _bottomNav(l10n),
+            if (!embedded) _bottomNav(),
           ],
         ),
       ),
@@ -612,20 +611,9 @@ class _DiscoverPageState extends State<DiscoverPage> {
     unawaited(playDramaFromCatalog(context, drama));
   }
 
-  Widget _bottomNav(AppLocalizations l10n) => AppBottomNav(
-    items: [
-      for (final tab in AppRootTab.values)
-        AppBottomNavItem(
-          tabKey: tab.tabKey,
-          icon: tab.icon,
-          selectedIcon: tab.selectedIcon,
-          label: tab.label(l10n),
-          selected: tab == AppRootTab.recommend,
-          onTap: tab == AppRootTab.recommend
-              ? () {}
-              : () => _act(_actionOf(tab)),
-        ),
-    ],
+  Widget _bottomNav() => AppRootBottomNav(
+    selected: AppRootTab.recommend,
+    onSelected: (tab) => _act(_actionOf(tab)),
   );
 
   DiscoverPageAction _actionOf(AppRootTab tab) => switch (tab) {

lib/pages/home/home_view.dart

@@ -16,7 +16,6 @@ import '../../core/data/services/category_controller.dart';
 import '../../core/platform/haptics.dart';
 import '../../core/theme/app_colors.dart';
 import '../../core/theme/app_theme.dart';
-import '../../core/widgets/app_bottom_nav.dart';
 import '../../core/widgets/app_root_tab.dart';
 import '../../core/widgets/catalog_debug_info.dart';
 import '../../core/widgets/catalog_endpoint_editor.dart';
@@ -262,7 +261,6 @@ class _HomeTabsState extends State<_HomeTabs> {
   }
 
   Widget _scaffold(BuildContext context) {
-    final l10n = AppLocalizations.of(context)!;
     final feed = logic.tab == 0;
     final content = PopScope(
       canPop: false,
@@ -275,7 +273,7 @@ class _HomeTabsState extends State<_HomeTabs> {
         backgroundColor: AppColors.transparent,
         resizeToAvoidBottomInset: false,
         body: _body(context),
-        bottomNavigationBar: logic.videoImmersive ? null : _nav(context, l10n),
+        bottomNavigationBar: logic.videoImmersive ? null : _nav(context),
       ),
     );
     return AnnotatedRegion<SystemUiOverlayStyle>(
@@ -451,31 +449,11 @@ class _HomeTabsState extends State<_HomeTabs> {
     );
   }
 
-  Widget _nav(BuildContext context, AppLocalizations l10n) {
-    return AppBottomNav(
+  Widget _nav(BuildContext context) {
+    return AppRootBottomNav(
       barKey: const Key('home-tabs-bar'),
-      dark: logic.tab == 0,
-      items: [
-        _navItem(context, l10n, AppRootTab.home),
-        _navItem(context, l10n, AppRootTab.recommend),
-        _navItem(context, l10n, AppRootTab.following),
-        _navItem(context, l10n, AppRootTab.mine),
-      ],
-    );
-  }
-
-  AppBottomNavItem _navItem(
-    BuildContext context,
-    AppLocalizations l10n,
-    AppRootTab tab,
-  ) {
-    return AppBottomNavItem(
-      tabKey: tab.tabKey,
-      icon: tab.icon,
-      selectedIcon: tab.selectedIcon,
-      label: tab.label(l10n),
-      selected: logic.tab == tab.index,
-      onTap: () => _selectTab(context, tab.index),
+      selected: AppRootTab.values[logic.tab],
+      onSelected: (tab) => _selectTab(context, tab.index),
     );
   }
 

lib/pages/mine/mine_view.dart

@@ -12,7 +12,6 @@ import '../../core/data/services/wallet_controller.dart';
 import '../../core/theme/app_colors.dart';
 import '../../core/theme/app_dimens.dart';
 import '../../core/theme/app_theme.dart';
-import '../../core/widgets/app_bottom_nav.dart';
 import '../../core/widgets/app_root_tab.dart';
 import '../../core/widgets/auth_gate.dart';
 import '../../core/widgets/plain_page_scaffold.dart';
@@ -87,7 +86,7 @@ class _MyPageState extends State<MyPage> {
         children: [
           _topBar(l10n),
           Expanded(child: _body(context, l10n)),
-          if (!embedded) _bottomNav(l10n),
+          if (!embedded) _bottomNav(),
         ],
       ),
     );
@@ -238,19 +237,10 @@ class _MyPageState extends State<MyPage> {
     _openProtected(RechargePage(onPurchased: () => unawaited(wallet.load())));
   }
 
-  Widget _bottomNav(AppLocalizations l10n) {
-    return AppBottomNav(
-      items: [
-        for (final tab in AppRootTab.values)
-          AppBottomNavItem(
-            tabKey: tab.tabKey,
-            icon: tab.icon,
-            selectedIcon: tab.selectedIcon,
-            label: tab.label(l10n),
-            selected: tab == AppRootTab.mine,
-            onTap: tab == AppRootTab.mine ? () {} : () => _act(_actionOf(tab)),
-          ),
-      ],
+  Widget _bottomNav() {
+    return AppRootBottomNav(
+      selected: AppRootTab.mine,
+      onSelected: (tab) => _act(_actionOf(tab)),
     );
   }