在程序中我获得一个 BroadcastReceiver,被一个 AlarmManager 调用。BroadcastReceiver调用 CommonsWare 的 WakefulIntentservice.
我在电话上测试,看起来有时候 BroadcastReceiver 根本不能被调用。我不知道什么原因。 我在 manifest中申明了 BroadcastReceiver 和 WakefulIntentservice。
我查资料说设置一个BroadcastReceiver会返回 onBootCompleted。
AlarmActivity 代码:
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();
AlarmReceiver:
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);
}
}
AlarmService:
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
}
为什么 BroadcastReceiver 有时候不能被调用?