权限配置暂时到此，后台播放问题并入生命周期管理同步开发

android/app/src/main/AndroidManifest.xml

@@ -3,19 +3,18 @@
     <uses-permission android:name="android.permission.INTERNET"/>
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
     
-    <!-- ⭐ 后台播放（必需） -->
+    <!-- ⭐ 后台播放 -->
     <uses-permission android:name="android.permission.WAKE_LOCK" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
-    <!-- Android 12+ 后台启动限制 -->
-    <uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW" />
-    
-    <!-- ⭐ 通知（Android 13+ 必需） -->
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE_MEDIA_PLAYBACK" />
     <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
+    
     <application
         android:label="qt_player"
         android:name="${applicationName}"
-        android:icon="@mipmap/ic_launcher">
+        android:icon="@mipmap/ic_launcher"
         android:usesCleartextTraffic="true"
+        android:foregroundServiceType="mediaPlayback">
         <activity
             android:name=".MainActivity"
             android:exported="true"
@@ -40,6 +39,10 @@
         </activity>
         <!-- Don't delete the meta-data below.
              This is used by the Flutter tool to generate GeneratedPluginRegistrant.java -->
+        <service
+            android:name="com.ryanheise.audioservice.AudioService"
+            android:foregroundServiceType="mediaPlayback"
+            android:exported="false" />
         <meta-data
             android:name="flutterEmbedding"
             android:value="2" />

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

@@ -3,46 +3,20 @@ package com.example.qt_player
 import android.os.Build
 import android.os.Bundle
 import android.util.Log
-import android.view.WindowManager
-import io.flutter.embedding.android.FlutterActivity
-import io.flutter.embedding.engine.FlutterEngine
-import io.flutter.plugin.common.MethodChannel
+import com.ryanheise.audioservice.AudioServiceActivity  // ⭐ 改用这个
 
-class MainActivity : FlutterActivity() {
-
-    private val CHANNEL = "com.qt_player/frame_rate"
+class MainActivity : AudioServiceActivity() {  // ⭐ 继承 AudioServiceActivity
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-        // 在创建时尝试设置（但可能窗口还未就绪，所以下面在 onResume 再次设置）
         setHighRefreshRate()
     }
 
     override fun onResume() {
         super.onResume()
-        // 每次回到前台时确保高刷生效
         setHighRefreshRate()
     }
 
-    override fun configureFlutterEngine(flutterEngine: FlutterEngine) {
-        super.configureFlutterEngine(flutterEngine)
-
-        MethodChannel(flutterEngine.dartExecutor.binaryMessenger, CHANNEL)
-            .setMethodCallHandler { call, result ->
-                when (call.method) {
-                    "setHighRefreshRate" -> {
-                        setHighRefreshRate()
-                        result.success(true)
-                    }
-                    "clearRefreshRate" -> {
-                        clearRefreshRate()
-                        result.success(true)
-                    }
-                    else -> result.notImplemented()
-                }
-            }
-    }
-
     private fun setHighRefreshRate() {
         try {
             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
@@ -60,7 +34,7 @@ class MainActivity : FlutterActivity() {
         try {
             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
                 val params = window.attributes
-                params.preferredRefreshRate = 0f  // 0 表示系统自动
+                params.preferredRefreshRate = 0f
                 window.attributes = params
                 Log.d("QTPlayer", "恢复默认刷新率")
             }