fix(flutter): 回退底部导航为四槽

test/home/app_bottom_nav_test.dart

@@ -7,8 +7,10 @@ import 'package:fruitshorts/core/theme/app_dimens.dart';
 import 'package:fruitshorts/core/widgets/app_bottom_nav.dart';
 
 void main() {
-  testWidgets('should_render_five_slots_with_center_action', (tester) async {
-    var centerTaps = 0;
+  testWidgets('should_render_four_slots_with_orange_selected_state', (
+    tester,
+  ) async {
+    var theaterTaps = 0;
     await tester.pumpWidget(
       MaterialApp(
         home: Scaffold(
@@ -27,7 +29,7 @@ void main() {
                 icon: Icons.explore_outlined,
                 selectedIcon: Icons.explore_rounded,
                 label: 'Theater',
-                onTap: () {},
+                onTap: () => theaterTaps++,
               ),
               AppBottomNavItem(
                 tabKey: const Key('tab-create'),
@@ -44,10 +46,6 @@ void main() {
                 onTap: () {},
               ),
             ],
-            centerAction: AppBottomNavCenterAction(
-              label: 'Create',
-              onTap: () => centerTaps++,
-            ),
           ),
         ),
       ),
@@ -55,14 +53,13 @@ void main() {
 
     expect(find.byKey(const Key('tab-home')), findsOneWidget);
     expect(find.byKey(const Key('tab-theater')), findsOneWidget);
-    expect(find.byKey(const Key('nav-center-action')), findsOneWidget);
     expect(find.byKey(const Key('tab-create')), findsOneWidget);
     expect(find.byKey(const Key('tab-mine')), findsOneWidget);
+    expect(find.byKey(const Key('nav-center-action')), findsNothing);
     expect(find.text('Home'), findsOneWidget);
     final centers = [
       Key('tab-home'),
       Key('tab-theater'),
-      Key('nav-center-action'),
       Key('tab-create'),
       Key('tab-mine'),
     ].map((key) => tester.getCenter(find.byKey(key)).dx).toList();
@@ -72,25 +69,17 @@ void main() {
       AppDimens.navHeight,
     );
     expect(
-      tester.getSize(find.byKey(const Key('nav-center-action'))),
-      const Size.square(AppDimens.navCenter),
-    );
-    final ink = tester.widget<Ink>(
-      find
-          .ancestor(
-            of: find.byKey(const Key('nav-center-action')),
-            matching: find.byType(Ink),
+      tester
+          .widget<Icon>(
+            find.descendant(
+              of: find.byKey(const Key('tab-home')),
+              matching: find.byIcon(Icons.movie_rounded),
+            ),
           )
-          .first,
+          .color,
+      AppColors.blue,
     );
-    final decoration = ink.decoration! as BoxDecoration;
-    expect(decoration.shape, BoxShape.circle);
-    expect((decoration.gradient! as LinearGradient).colors, const [
-      AppColors.navCenterStart,
-      AppColors.navCenterEnd,
-    ]);
-
-    await tester.tap(find.byKey(const Key('nav-center-action')));
-    expect(centerTaps, 1);
+    await tester.tap(find.byKey(const Key('tab-theater')));
+    expect(theaterTaps, 1);
   });
 }

test/home/home_nav_ui_test.dart

@@ -20,7 +20,6 @@ const _keys = [
   Key('home-tabs-bar'),
   Key('tab-home'),
   Key('tab-theater'),
-  Key('nav-center-action'),
   Key('tab-create'),
   Key('tab-mine'),
 ];
@@ -139,7 +138,6 @@ void main() {
 
     expect(find.byKey(const Key('tab-home')), findsOneWidget);
     expect(find.byKey(const Key('tab-theater')), findsOneWidget);
-    expect(find.byKey(const Key('nav-center-action')), findsOneWidget);
     expect(find.byKey(const Key('tab-create')), findsOneWidget);
     expect(find.byKey(const Key('tab-mine')), findsOneWidget);
     expect(find.byKey(const Key('home-browse-page')), findsOneWidget);
@@ -148,12 +146,6 @@ void main() {
     await tester.pumpAndSettle();
     expect(find.byKey(const Key('home-all-dramas-grid')), findsOneWidget);
 
-    await tester.tap(find.byKey(const Key('nav-center-action')));
-    await tester.pumpAndSettle();
-    expect(find.byKey(const Key('create-page')), findsOneWidget);
-
-    await tester.tap(find.byKey(const Key('tab-home')));
-    await tester.pumpAndSettle();
     await tester.tap(find.byKey(const Key('tab-create')));
     await tester.pumpAndSettle();
     expect(find.byKey(const Key('create-page')), findsOneWidget);

test/home/k28_a_navigation_test.dart

@@ -33,9 +33,8 @@ void main() {
     for (final key in _tabKeys) {
       expect(find.byKey(key), findsOneWidget);
     }
-    expect(find.byKey(const Key('nav-center-action')), findsOneWidget);
 
-    await tester.tap(find.byKey(const Key('nav-center-action')));
+    await tester.tap(find.byKey(const Key('tab-create')));
     await tester.pumpAndSettle();
 
     expect(find.byKey(const Key('create-page')), findsOneWidget);

test/theme/app_dimens_test.dart

@@ -21,7 +21,6 @@ void main() {
     expect(AppDimens.primaryButtonHeight, 52);
     expect(AppDimens.tapTarget, 44);
     expect(AppDimens.navHeight, 64);
-    expect(AppDimens.navCenter, 56);
     expect(AppDimens.progressHeight, 3);
   });
 }