android实现开机自启动可能是移动操作系统中最简单的了，我们只需要监听一个开机启动的Broadcast(广播)即可。首先写一个Receiver(即广播监听器)，继承BroadcastReceiver，如下所示：
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private PendingIntent mAlarmSender;
@Override
public void onReceive(Context context, Intent intent) {
// 在这里干你想干的事(启动一个Service，Activity等)，本例是启动一个定时调度程序，每30分钟启动一个Service去更新数据
mAlarmSender = PendingIntent.getService(context, 0, new Intent(context,
RefreshDataService.class), 0);
long firstTime = SystemClock.elapsedRealtime();
AlarmManager am = (AlarmManager) context
getSystemService(Activity.ALARM_SERVICE);
am.cancel(mAlarmSender);
am.setRepeating(AlarmManager.ELAPSED_REALTIME_WAKEUP, firstTime,
30 * 60 * 1000, mAlarmSender);
}
}
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< intent-filter>
< !-- 系统启动完成后会调用-->
< action android:name="Android.intent.action.BOOT_COMPLETED">
< /action>
< /intent-filter>
< /receiver>
