Question

我遇到了一个非常奇怪的问题，广播广播接收器无法在我自己的设备上运行，但在android模拟器上运行。每当调用onDestroy方法时，我的应用程序通过调用广播接收方来重新启动服务是什么。我什至尝试查看设备上的开发人员选项，以查看是否激活了一些限制（例如“不保留活动”），但未选中该限制。

Xml文件

<service
    android:name="oak.shef.ac.uk.testrunningservicesbackgroundrelaunched.SensorService"
    android:enabled="true">
</service>

<receiver
    android:name="oak.shef.ac.uk.testrunningservicesbackgroundrelaunched.SensorRestarterBroadcastReceiver"
    android:enabled="true"
    android:exported="true"
    android:label="RestartServiceWhenStopped"
    android:permission="android.permission.RECEIVE_BOOT_COMPLETED">
    <intent-filter>
        <action android:name="SensorRestarterBroadcastReceiver" />
    </intent-filter>
</receiver>

服务

public class SensorService extends Service {

    private Timer timer;
    MyThread myThread;
    private TimerTask timerTask;

    public int counter=0;
    public SensorService(Context applicationContext) {
        super();
        Log.i("HERE", "here I am!");
    }

    public SensorService() {
    }

    @Override
    public int onStartCommand(Intent intent, int flags, int startId) {
        super.onStartCommand(intent, flags, startId);
        myThread = new MyThread();
        myThread.start();
        return START_STICKY;
    }

    @Override
    public void onDestroy() {
        super.onDestroy();
        Log.i("EXIT", "ondestroy!");
        Intent restartService = new Intent("SensorRestarterBroadcastReceiver");
        sendBroadcast(restartService);
        timer.cancel();
        myThread.interrupt();
    }

    public class MyThread extends Thread{

        @Override
        public void run() {
            // TODO Auto-generated method stub

            try {
                int delay = 10000; // delay for 10 sec.
                int period = 10000; // repeat every 10 sec.
                timer = new Timer();
                timer.scheduleAtFixedRate(new TimerTask() {
                    public void run() {
                        Log.i("in timer", "in timer ++++  "+ (counter++));
                    }
                }, delay, period);
            } catch (Exception ex) {
                ex.printStackTrace();
            }
        }

    }

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

广播接收器

public class SensorRestarterBroadcastReceiver extends BroadcastReceiver {

    @Override
    public void onReceive(Context context, Intent intent) {
        Log.i(SensorRestarterBroadcastReceiver.class.getSimpleName(),
"Restarting Service");

        context.startService(new Intent(context, SensorService.class));;
    }

}

BrodcastReceiver在模拟器上运行，但在我的设备上不运行

0 个答案: