<!-- 允许应用使用前台服务 -->
<uses-permission android:name="android.permission.FOREGROUND_SERVICE" />

<!-- 如果应用需要在前台服务中使用摄像头 -->
<uses-permission android:name="android.permission.FOREGROUND_SERVICE_CAMERA" />

<!-- 如果应用需要在前台服务中使用麦克风 -->
<uses-permission android:name="android.permission.FOREGROUND_SERVICE_MICROPHONE" />

<!-- 允许前台服务发送通知 -->
<uses-permission android:name="android.permission.POST_NOTIFICATIONS"/>

public class MyForegroundService extends Service {
    @Nullable
    @Override
    public IBinder onBind(Intent intent) {
        return null;
    }

    @Override
    public void onCreate() {
        super.onCreate();
        // 创建通知渠道
        Notification notification = createNotification();
        // 处理服务启动逻辑
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
            startForeground(1024, notification, ServiceInfo.FOREGROUND_SERVICE_TYPE_MICROPHONE);
        } else {
            startForeground(1024, notification);
        }
    }

    private Notification createNotification() {
        String CHANNEL_ONE_ID = "CHANNEL_ONE_ID";
        String CHANNEL_ONE_NAME = "CHANNEL_ONE_ID";
        NotificationChannel notificationChannel;
        //进行8.0的判断
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
            notificationChannel = new NotificationChannel(CHANNEL_ONE_ID,
                    CHANNEL_ONE_NAME, NotificationManager.IMPORTANCE_HIGH);
            notificationChannel.enableLights(true);
            notificationChannel.setLightColor(Color.RED);
            notificationChannel.setShowBadge(true);
            notificationChannel.setLockscreenVisibility(Notification.VISIBILITY_PUBLIC);
            NotificationManager manager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
            if (manager != null) {
                manager.createNotificationChannel(notificationChannel);
            }
        }
        // 设置点击通知栏回到应用，可选
        Intent intent = new Intent(this, MainActivity.class);
        ActivityOptions options = null;
        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.M) {
            options = ActivityOptions.makeBasic();
        }
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.UPSIDE_DOWN_CAKE) {
            options.setPendingIntentBackgroundActivityStartMode(ActivityOptions.MODE_BACKGROUND_ACTIVITY_START_ALLOWED);
        }
        PendingIntent pendingIntent;
        if (options != null) {
            pendingIntent = PendingIntent.getActivity(this, 0, intent, PendingIntent.FLAG_IMMUTABLE, options.toBundle());
        } else {
            pendingIntent = PendingIntent.getActivity(this, 0, intent, PendingIntent.FLAG_IMMUTABLE);
        }

        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
            Notification notification = new Notification.Builder(this, CHANNEL_ONE_ID).setChannelId(CHANNEL_ONE_ID)
                    .setSmallIcon(R.mipmap.videocall_float_logo)
                    .setContentTitle("这是一个测试标题")
                    .setContentIntent(pendingIntent)
                    .setContentText("这是一个测试内容")
                    .build();
            notification.flags |= Notification.FLAG_NO_CLEAR;
            return notification;
        }else {
            NotificationCompat.Builder builder = new NotificationCompat.Builder(this, CHANNEL_ONE_ID)
                    .setSmallIcon(R.mipmap.videocall_float_logo)
                    .setContentTitle("这是一个测试标题")
                    .setContentText("这是一个测试内容")
                    .setContentIntent(pendingIntent)
                    .setPriority(NotificationCompat.PRIORITY_DEFAULT);
            return builder.build();
        }
    }

    @Override
    public void onDestroy() {
        super.onDestroy();
        // 停止前台服务
        stopForeground(true);
    }
}

<service
    android:name=".MyForegroundService"
    android:enabled="true"
    android:exported="false"
    android:foregroundServiceType="mediaPlayback|mediaProjection|microphone|camera" />

NotificationManagerCompat notificationManager = NotificationManagerCompat.from(this);
boolean areNotificationsEnabled = notificationManager.areNotificationsEnabled();
if (!areNotificationsEnabled) {
    // 提示用户启用通知权限
    Toast.makeText(this, "请启用通知权限以确保服务正常运行", Toast.LENGTH_LONG).show();
    // 引导用户到设置页面
    Intent intent = new Intent(Settings.ACTION_APP_NOTIFICATION_SETTINGS)
            .putExtra(Settings.EXTRA_APP_PACKAGE, getPackageName());
    startActivity(intent);
} else {
    // 启动前台服务
    Intent serviceIntent = new Intent(this, MyForegroundService.class);
    ContextCompat.startForegroundService(this, serviceIntent);
}

// 创建服务的Intent
Intent serviceIntent = new Intent(this, MyForegroundService.class);

// 停止服务
stopService(serviceIntent);

<service
    android:name=".MyForegroundService"
    android:enabled="true"
    android:exported="false"
    android:stopWithTask="true"
    android:foregroundServiceType="mediaPlayback|microphone" />

@Override
public void onTaskRemoved(Intent rootIntent) {
    super.onTaskRemoved(rootIntent);
    // 例如在这里执行 RTC Engine 退房，避免继续进行音频采集和播放
    TRTCCloud mTRTCCloud = TRTCCloud.sharedInstance(this);
    mTRTCCloud.exitRoom();
}