定住这个commit，切换至test分支进行部分破坏性变更：涉及到app内多实例异常问题修复

android/app/src/main/AndroidManifest.xml

@@ -7,6 +7,7 @@
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE_MEDIA_PLAYBACK" />
     <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
+    <uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS" />
 
     <application
         android:name="${applicationName}"

android/app/src/main/kotlin/com/example/qingting_player/MainActivity.kt

@@ -8,6 +8,8 @@ import io.flutter.embedding.android.FlutterActivity
 import io.flutter.embedding.engine.FlutterEngine
 import io.flutter.plugin.common.MethodChannel
 import java.io.File
+import android.content.Context
+import android.media.AudioManager
 
 class MainActivity : FlutterActivity() {
 
@@ -32,9 +34,32 @@ class MainActivity : FlutterActivity() {
 
         super.onCreate(savedInstanceState)
 
+        requestAudioFocus()
+
         setHighRefreshRate()
     }
 
+    private fun requestAudioFocus() {
+        val audioManager = getSystemService(Context.AUDIO_SERVICE) as AudioManager
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+            audioManager.requestAudioFocus(
+                AudioManager.OnAudioFocusChangeListener { focusChange ->
+                    Log.d("MainActivity", "音频焦点变化: $focusChange")
+                },
+                AudioManager.STREAM_MUSIC,
+                AudioManager.AUDIOFOCUS_GAIN
+            )
+        } else {
+            @Suppress("DEPRECATION")
+            audioManager.requestAudioFocus(
+                null,
+                AudioManager.STREAM_MUSIC,
+                AudioManager.AUDIOFOCUS_GAIN
+            )
+        }
+        Log.d("MainActivity", "✅ 已请求音频焦点")
+    }
+
     override fun configureFlutterEngine(flutterEngine: FlutterEngine) {
         super.configureFlutterEngine(flutterEngine)
 

android/settings.gradle.kts

@@ -20,7 +20,7 @@ pluginManagement {
 plugins {
     id("dev.flutter.flutter-plugin-loader") version "1.0.0"
     id("com.android.application") version "9.0.1" apply false
-    id("org.jetbrains.kotlin.android") version "2.2.20" apply false
+    id("org.jetbrains.kotlin.android") version "2.3.20" apply false
 }
 
 include(":app")

lib/main.dart

@@ -5,6 +5,7 @@ import 'package:media_kit/media_kit.dart';
 import 'package:audio_service/audio_service.dart' as audio_service;
 import 'package:permission_handler/permission_handler.dart';
 
+import 'package:flutter/services.dart';
 import 'services/audio_service.dart';
 import 'services/playback_service.dart';
 import 'services/app_lifecycle_service.dart';
@@ -15,8 +16,8 @@ import 'pages/home_page.dart';
 import 'pages/player_page.dart';
 import 'pages/playlist_page.dart';
 import 'widgets/global_mini_player.dart';
+import 'utils/navigation.dart';
 
-final GlobalKey<NavigatorState> navigatorKey = GlobalKey<NavigatorState>();
 final stopwatch = Stopwatch();
 
 bool _appInitialized = false;
@@ -363,65 +364,74 @@ class _QTPlayerAppState extends State<QTPlayerApp> {
     debugPrint(
         '🎨 [QTPlayerApp] build #$_buildCount ${stopwatch.elapsedMilliseconds}ms');
 
-    return MaterialApp(
-      title: '清听',
-      theme: ThemeData(
-        brightness: Brightness.dark,
-        primaryColor: const Color(0xFF7C9A9E),
-        colorScheme: const ColorScheme.dark(
-          primary: Color(0xFF7C9A9E),
-          secondary: Color(0xFFB8D4D0),
-          surface: Color(0xFF1A1F1E),
-          onSurface: Colors.white,
-        ),
-        useMaterial3: true,
+    // ⭐ 使用 AnnotatedRegion 包裹 MaterialApp，统一控制系统栏样式
+    return AnnotatedRegion<SystemUiOverlayStyle>(
+      value: SystemUiOverlayStyle(
+        statusBarColor: Colors.transparent,
+        statusBarIconBrightness: Brightness.light,
+        systemNavigationBarColor: const Color(0xFF1A1F1E),
+        systemNavigationBarIconBrightness: Brightness.light,
       ),
-      navigatorKey: navigatorKey,
-      navigatorObservers: [MiniPlayerNavigatorObserver()],
-      onGenerateRoute: _onGenerateRoute,
-      builder: (context, child) {
-        return Stack(
-          fit: StackFit.expand,
-          children: [
-            if (child != null) child,
-            AnimatedBuilder(
-              animation: RouteManager(),
-              builder: (context, _) {
-                final routeManager = RouteManager();
-                final shouldShow = routeManager.currentRoute != '/player' &&
-                    routeManager.currentRoute != '/playlist';
+      child: MaterialApp(
+        title: '清听',
+        theme: ThemeData(
+          brightness: Brightness.dark,
+          primaryColor: const Color(0xFF7C9A9E),
+          colorScheme: const ColorScheme.dark(
+            primary: Color(0xFF7C9A9E),
+            secondary: Color(0xFFB8D4D0),
+            surface: Color(0xFF1A1F1E),
+            onSurface: Colors.white,
+          ),
+          useMaterial3: true,
+        ),
+        navigatorKey: navigatorKey,
+        navigatorObservers: [MiniPlayerNavigatorObserver()],
+        onGenerateRoute: _onGenerateRoute,
+        builder: (context, child) {
+          return Stack(
+            fit: StackFit.expand,
+            children: [
+              if (child != null) child,
+              AnimatedBuilder(
+                animation: RouteManager(),
+                builder: (context, _) {
+                  final routeManager = RouteManager();
+                  final shouldShow = routeManager.currentRoute != '/player' &&
+                      routeManager.currentRoute != '/playlist';
 
-                return AnimatedSwitcher(
-                  duration: const Duration(milliseconds: 300),
-                  switchInCurve: Curves.easeOut,
-                  switchOutCurve: Curves.easeIn,
-                  transitionBuilder: (child, animation) {
-                    return FadeTransition(
-                      opacity: animation,
-                      child: SlideTransition(
-                        position: Tween<Offset>(
-                          begin: const Offset(0, 0.1),
-                          end: Offset.zero,
-                        ).animate(animation),
-                        child: child,
-                      ),
-                    );
-                  },
-                  child: shouldShow
-                      ? const Align(
-                          key: ValueKey('mini_player_visible'),
-                          alignment: Alignment.bottomCenter,
-                          child: GlobalMiniPlayer(),
-                        )
-                      : const SizedBox.shrink(
-                          key: ValueKey('mini_player_hidden'),
+                  return AnimatedSwitcher(
+                    duration: const Duration(milliseconds: 300),
+                    switchInCurve: Curves.easeOut,
+                    switchOutCurve: Curves.easeIn,
+                    transitionBuilder: (child, animation) {
+                      return FadeTransition(
+                        opacity: animation,
+                        child: SlideTransition(
+                          position: Tween<Offset>(
+                            begin: const Offset(0, 0.1),
+                            end: Offset.zero,
+                          ).animate(animation),
+                          child: child,
                         ),
-                );
-              },
-            ),
-          ],
-        );
-      },
+                      );
+                    },
+                    child: shouldShow
+                        ? const Align(
+                            key: ValueKey('mini_player_visible'),
+                            alignment: Alignment.bottomCenter,
+                            child: GlobalMiniPlayer(),
+                          )
+                        : const SizedBox.shrink(
+                            key: ValueKey('mini_player_hidden'),
+                          ),
+                  );
+                },
+              ),
+            ],
+          );
+        },
+      ),
     );
   }
 }

lib/utils/navigation.dart

@@ -0,0 +1,3 @@
+import 'package:flutter/material.dart';
+
+final GlobalKey<NavigatorState> navigatorKey = GlobalKey<NavigatorState>();

lib/widgets/global_mini_player.dart

@@ -2,6 +2,7 @@
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 import '../services/audio_service.dart';
+import '../utils/navigation.dart'; // ⭐ 导入 navigatorKey
 
 class GlobalMiniPlayer extends StatelessWidget {
   const GlobalMiniPlayer({super.key});
@@ -45,11 +46,9 @@ class GlobalMiniPlayer extends StatelessWidget {
                   color: Colors.transparent,
                   child: InkWell(
                     onTap: () {
-                      // ⭐ 使用 Navigator.of(context) 替代 navigatorKey
-                      Navigator.of(context, rootNavigator: true)
-                          .pushNamed('/player');
+                      // ⭐ 使用 navigatorKey 直接跳转
+                      navigatorKey.currentState?.pushNamed('/player');
                     },
-                    // ⭐ 替换弃用的 withOpacity 为 withValues
                     highlightColor: Colors.white.withValues(alpha: 0.05),
                     splashColor: Colors.white.withValues(alpha: 0.1),
                     borderRadius: BorderRadius.circular(12),
@@ -124,8 +123,8 @@ class GlobalMiniPlayer extends StatelessWidget {
                             size: 24,
                           ),
                           onPressed: () {
-                            // ⭐ 使用 Navigator.of(context)
-                            Navigator.of(context).pushNamed('/playlist');
+                            // ⭐ 使用 navigatorKey 直接跳转
+                            navigatorKey.currentState?.pushNamed('/playlist');
                           },
                         ),
                         const SizedBox(width: 4),

pubspec.yaml

@@ -32,7 +32,6 @@ dependencies:
     sdk: flutter
   media_kit: 1.2.6
   media_kit_libs_audio: ^1.0.7
-  #media_kit_libs_android_audio: 1.3.8
   shared_preferences: 2.2.2
   provider: ^6.1.2
   dio: ^5.4.0         # HTTP 客户端