避免警报重复在android中

Question

嗨，我是新手Android开发我正在开发一个与notification报警相关的应用程序，而我在特定时间设置报警，所有工作都完美正常并且报警正确，但报警notification重复有些时候，我不重复它，我怎么能避免这个问题。

这是我的代码：

Intent intent = new Intent(this, AlarmReceiver.class);
intent.putExtra("ti", name);
intent.putExtra("id", id);
PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT);
AlarmManager alarmManager = (AlarmManager)getSystemService(Context.ALARM_SERVICE);      
final Calendar cal = Calendar.getInstance();        
switch(Cun.valueOf(repeat)) {
case No:        
 alarmManager.set(AlarmManager.RTC_WAKEUP, targetCal.getTimeInMillis(), pendingIntent);
 break;
}

Answer 1

警报首次通知后，使用以下方法取消：

Intent intent = new Intent(this, AlarmReceiver.class);
intent.putExtra("ti", name);
intent.putExtra("id", id);
PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT);
AlarmManager alarmManager = (AlarmManager)getSystemService(Context.ALARM_SERVICE); 
alarmManager.cancel ( pendingIntent );