fix(flutter): 修复详情与播放器底部闪白

test/drama_detail/drama_detail_view_test.dart

@@ -1,6 +1,7 @@
 // Author: fruit.com.cn
 
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:provider/provider.dart';
 import 'package:shared_preferences/shared_preferences.dart';
@@ -53,6 +54,11 @@ void main() {
   ) async {
     await _pumpDetail(tester);
 
+    final overlay = tester.widget<AnnotatedRegion<SystemUiOverlayStyle>>(
+      find.byKey(const Key('detail-system-overlay')),
+    );
+    expect(overlay.value.systemNavigationBarColor, AppColors.ink);
+    expect(overlay.value.systemNavigationBarContrastEnforced, isFalse);
     expect(find.byKey(const Key('detail-hero')), findsOneWidget);
     expect(
       tester.getSize(find.byKey(const Key('detail-poster'))),
@@ -92,6 +98,10 @@ void main() {
     expect(find.byKey(const Key('detail-tags')), findsOneWidget);
     expect(find.byKey(const Key('detail-episodes-section')), findsOneWidget);
     expect(tester.getSize(find.byKey(const Key('detail-cta'))).height, 46);
+    final bottomBar = tester.widget<Container>(
+      find.byKey(const Key('detail-bottom-bar')),
+    );
+    expect((bottomBar.decoration! as BoxDecoration).color, AppColors.ink);
     expect(find.byKey(const Key('detail-share')), findsOneWidget);
     expect(find.byKey(const Key('detail-more')), findsOneWidget);
     for (final key in const [Key('detail-share'), Key('detail-more')]) {

test/player/player_fullscreen_test.dart

@@ -1,6 +1,7 @@
 // Author: fruit.com.cn
 
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:shared_preferences_platform_interface/in_memory_shared_preferences_async.dart';
 import 'package:shared_preferences_platform_interface/shared_preferences_async_platform_interface.dart';
@@ -50,6 +51,16 @@ void main() {
     expect(tester.takeException(), isNull);
   });
 
+  testWidgets('should_use_black_system_navigation_bar_on_feed_and_player', (
+    tester,
+  ) async {
+    await _pumpApp(tester);
+    _expectPlayerNavigationBar(tester);
+
+    await _openSeriesPlayer(tester);
+    _expectPlayerNavigationBar(tester);
+  });
+
   testWidgets('should_fall_back_to_black_when_poster_is_empty', (tester) async {
     await _pumpApp(
       tester,
@@ -716,6 +727,20 @@ void main() {
     final delegate =
         grid.gridDelegate as SliverGridDelegateWithFixedCrossAxisCount;
     expect(delegate.crossAxisCount, 6);
+    final overlay = tester.widget<AnnotatedRegion<SystemUiOverlayStyle>>(
+      find.byKey(const Key('player-episodes-system-overlay')),
+    );
+    expect(overlay.value.systemNavigationBarColor, AppColors.card);
+    expect(overlay.value.systemNavigationBarContrastEnforced, isFalse);
+    final safeArea = tester.widget<SafeArea>(
+      find
+          .descendant(
+            of: find.byKey(const Key('player-episodes-sheet')),
+            matching: find.byType(SafeArea),
+          )
+          .first,
+    );
+    expect(safeArea.bottom, isTrue);
     expect(tester.takeException(), isNull);
   });
 
@@ -969,6 +994,16 @@ void main() {
   });
 }
 
+void _expectPlayerNavigationBar(WidgetTester tester) {
+  final overlay = tester.widget<AnnotatedRegion<SystemUiOverlayStyle>>(
+    find.byKey(const Key('player-system-overlay')).last,
+  );
+  expect(overlay.value.systemNavigationBarColor, Colors.black);
+  expect(overlay.value.systemNavigationBarDividerColor, Colors.transparent);
+  expect(overlay.value.systemNavigationBarContrastEnforced, isFalse);
+  expect(overlay.value.systemNavigationBarIconBrightness, Brightness.light);
+}
+
 void _expectFullscreenOverlay(WidgetTester tester) {
   expect(find.byKey(const Key('player-back')), findsOneWidget);
   expect(find.byKey(const Key('player-episode-heading')), findsOneWidget);

test/theme/app_theme_test.dart

@@ -2,8 +2,10 @@
 
 import 'dart:math';
 
+import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:fruitshorts/app.dart';
 import 'package:fruitshorts/core/theme/app_colors.dart';
 import 'package:fruitshorts/core/theme/app_theme.dart';
 
@@ -50,6 +52,25 @@ void main() {
     expect(theme.appBarTheme.systemOverlayStyle, SystemUiOverlayStyle.dark);
   });
 
+  test('should_use_ink_navigation_bar_without_contrast_scrim', () {
+    expect(appSystemOverlayStyle.statusBarColor, Colors.transparent);
+    expect(appSystemOverlayStyle.systemNavigationBarColor, AppColors.ink);
+    expect(
+      appSystemOverlayStyle.systemNavigationBarDividerColor,
+      Colors.transparent,
+    );
+    expect(
+      appSystemOverlayStyle.systemNavigationBarIconBrightness,
+      Brightness.dark,
+    );
+    expect(appSystemOverlayStyle.systemNavigationBarContrastEnforced, isFalse);
+
+    final sheetTheme = AppTheme.light().bottomSheetTheme;
+    expect(sheetTheme.backgroundColor, Colors.transparent);
+    expect(sheetTheme.modalBackgroundColor, Colors.transparent);
+    expect(sheetTheme.surfaceTintColor, Colors.transparent);
+  });
+
   test('should_expose_page_gradient_and_soft_card_shadow', () {
     expect(AppTheme.pageGradient.colors, [AppColors.surfaceTop, AppColors.ink]);
     expect(AppTheme.cardShadow.color, AppColors.cardShadow);