Buz*_*uze 9 android alarmmanager android-notifications android-date
我必须创建一个应用程序,我必须在其中设置日期,在特定日期9点钟,我必须发出通知.这样做最简单的方法是什么?即使应用程序被杀,我希望应用程序能够正常运行.AlarmManager是一个解决方案吗?
小智 15
要安排操作,您可以使用AlarmManager
试试这个代码它对我有用:
1 /声明BroadcastReceiver CLASS启动Action,这个类可以在你的活动里面或在其他java文件外面
public class Receiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
// TODO Auto-generated method stub
Toast.makeText(context, intent.getStringExtra("param"),Toast.LENGTH_SHORT).show();
}
}
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2 /在你的Oncreate方法里面放了这个代码
AlarmManager alarms = (AlarmManager)this.getSystemService(Context.ALARM_SERVICE);
Receiver receiver = new Receiver();
IntentFilter filter = new IntentFilter("ALARM_ACTION");
registerReceiver(receiver, filter);
Intent intent = new Intent("ALARM_ACTION");
intent.putExtra("param", "My scheduled action");
PendingIntent operation = PendingIntent.getBroadcast(this, 0, intent, 0);
// I choose 3s after the launch of my application
alarms.set(AlarmManager.RTC_WAKEUP, System.currentTimeMillis()+3000, operation) ;
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启动你的应用程序将在3秒后出现Toast,因此您可以在唤醒时更改"System.currentTimeMillis()+ 3000".