我想在特定时间取消 2 个重复闹钟,但应用程序目前决定在您创建闹钟后立即调用取消。例如,如果您将结束重复的时间设置为 13:18,则重复闹钟会一直重复到该时间为止。
这是我一直在玩弄的一些代码:
Toast.makeText(this, "Alarm Scheduled for " + midnight, Toast.LENGTH_LONG).show();
AlarmManager Databackon = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
Databackon.set(AlarmManager.RTC_WAKEUP,midnight, stoprepeat(V));
// Databackon.set(AlarmManager.RTC_WAKEUP,midnight, PendingIntent.getBroadcast(this,4, intent, PendingIntent.FLAG_UPDATE_CURRENT));
Toast.makeText(this, "THIS " + midnight, Toast.LENGTH_LONG).show();
/*
Button button1=(Button)findViewById(R.id.startupdates);
button1.setVisibility(View.INVISIBLE);
Button button2=(Button)findViewById(R.id.stopbutton);
button2.setVisibility(View.VISIBLE);
*/
}
public PendingIntent stoprepeat(View V)
{
Intent intent = new Intent(UpdatesActivity.this,AlarmReciever.class);
PendingIntent pendingIntent =
PendingIntent.getBroadcast(this,1, intent, PendingIntent.FLAG_UPDATE_CURRENT);
AlarmManager am = (AlarmManager) getSystemService(ALARM_SERVICE);
am.cancel(pendingIntent);
Intent intent2 = new Intent(UpdatesActivity.this,DataOff.class);
PendingIntent pendingIntent2 =
PendingIntent.getBroadcast(this,2, intent2,PendingIntent.FLAG_UPDATE_CURRENT);
AlarmManager am2 = (AlarmManager) getSystemService(ALARM_SERVICE);
am2.cancel(pendingIntent2);
Toast.makeText(this, "Repeating Alarm stopped", Toast.LENGTH_LONG).show();
Button button1=(Button)findViewById(R.id.startupdates);
button1.setVisibility(View.VISIBLE);
Button button2=(Button)findViewById(R.id.stopbutton);
button2.setVisibility(View.INVISIBLE);
return pendingIntent;
}
最佳答案
您的代码毫无意义。您必须牢记三个基本事项:
- 所有警报都链接到特定应用程序。
- 警报功能基于待处理的 Intent 。
- 可以通过匹配特定的
Intent
来取消。
考虑到这一点,您可以实现以下解决方案。
照常创建基本警报:
Intent myIntent = new Intent(this, Target.class);
PendingIntent pendingIntent = PendingIntent.getService(this, 0, myIntent, PendingIntent.FLAG_UPDATE_CURRENT);
AlarmManager am = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
am.set(AlarmManager.RTC_WAKEUP, time, pendingIntent);
创建另一个警报,它将负责取消并将第一个警报的 pendingIntent
放入它:
Intent cancellationIntent = new Intent(this, CancelAlarmBroadcastReceiver.class);
cancellationIntent.putExtra("key", pendingIntent);
PendingIntent cancellationPendingIntent = PendingIntent.getBroadcast(this, 0, cancellationIntent, PendingIntent.FLAG_UPDATE_CURRENT);
am.set(AlarmManager.RTC_WAKEUP, time, cancellationPendingIntent, PendingIntent.FLAG_UPDATE_CURRENT);
其中 CancelAlarmBroadcastReceiver
如下:
public class CancelAlarmBroadcastReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
PendingIntent pendingIntent = intent.getParcelableExtra("key");
AlarmManager am = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
am.cancel(pendingIntent);
}
}
我没有检查它,但我认为它应该可以工作。
关于android - 在特定时间取消重复闹钟,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/23829176/