在Android Q中，foregroundServiceType属性用于指定前台服务的类型，可以通过以下代码示例进行设置：

1. 在AndroidManifest.xml文件中添加以下权限：

2. 创建一个用于启动前台服务的Service类：

public class MyForegroundService extends Service {

    private static final int NOTIFICATION_ID = 1;
    private static final String CHANNEL_ID = "ForegroundServiceChannel";

    @Override
    public int onStartCommand(Intent intent, int flags, int startId) {
        createNotificationChannel();

        // 创建一个通知并将其设置为前台服务
        Notification notification = new NotificationCompat.Builder(this, CHANNEL_ID)
                .setContentTitle("Foreground Service")
                .setContentText("This is a foreground service.")
                .setSmallIcon(R.drawable.ic_notification)
                .build();

        startForeground(NOTIFICATION_ID, notification);

        // 执行前台服务的任务

        return START_STICKY;
    }

    @Override
    public IBinder onBind(Intent intent) {
        return null;
    }

    private void createNotificationChannel() {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
            NotificationChannel channel = new NotificationChannel(CHANNEL_ID,
                    "Foreground Service Channel",
                    NotificationManager.IMPORTANCE_DEFAULT);

            NotificationManager manager = getSystemService(NotificationManager.class);
            manager.createNotificationChannel(channel);
        }
    }
}

3. 在需要启动前台服务的地方，调用以下代码：

Intent serviceIntent = new Intent(context, MyForegroundService.class);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
    context.startForegroundService(serviceIntent);
} else {
    context.startService(serviceIntent);
}

通过以上代码示例，可以设置foregroundServiceType属性为FOREGROUND_SERVICE类型，并在Android Q上启动前台服务。