在我的应用程序中,我有一个 BroadcastReceiver
,它由 AlarmManager
调用。 BroadcastReceiver
调用 CommonsWare 的 WakefulIntentservice
。
我在手机上对此进行了测试,有时我的 BroadcastReceiver
似乎根本没有被调用。我真的很困惑它可能是什么。我的 BroadcastReceiver 和 WakefulIntentservice 已在 list 中注册。
这是我的代码: 在 AlarmActivity 中:
Calendar cal = Calendar.getInstance();
cal.add(Calendar.SECOND, 2);
Intent intent = new Intent(this, AlarmReceiver.class);
PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, 0);
AlarmManager alarmManager = (AlarmManager) getSystemService(ALARM_SERVICE);
alarmManager.setRepeating(AlarmManager.RTC_WAKEUP, cal.getTimeInMillis(), savedIntervalAutomaticMilisInt, pendingIntent);
Toast.makeText(this, "Saved", Toast.LENGTH_LONG).show();
finish();
报警接收器:
package com.something.app;
import com.commonsware.cwac.wakeful.WakefulIntentService;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
public class AlarmReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
Intent i = new Intent(context, AlarmService.class);
WakefulIntentService.sendWakefulWork(context, i);
}
}
和报警服务:
package com.something.app;
import android.app.PendingIntent;
import android.content.Intent;
import com.commonsware.cwac.wakeful.WakefulIntentService;
public class AlarmService extends WakefulIntentService {
public AlarmService() {
super("AlarmService");
}
@Override
protected void doWakefulWork(Intent arg0) {
//A looooooooot of stuff
}
有人知道为什么有时不调用 BroadcastReceiver
吗?
编辑:我听说要设置一个接收 onBootCompleted
的 BroadcastReceiver
。这是必需的吗?
最佳答案
所以,这就是问题所在:如果设备重新启动,它有时会清除警报,因此您必须在接收 onBootCompleted
BroadcastReceiver
中重置它们
关于java - Android:AlarmManager 有时不调用 BroadcastReceiver,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/13199115/