我想做一个服务，当我的应用程序只运行时，它每5分钟触发一次警报管理器..那么怎么做呢？Intentintent=newIntent(this,OnetimeAlarmReceiver.class);PendingIntentpendingIntent=PendingIntent.getBroadcast(context,REQUEST_CODE,intent,0);AlarmManageralarmManager=(AlarmManager)getSystemService(ALARM_SERVICE);alarmManager.set(AlarmManager.RTC_WAKEUP,