android - 避免在android中重复警报

Question

嗨，我是android开发的新手，我正在开发一个与警报相关的应用程序，notification而我在特定时间设置警报时一切正常，警报通知正确，但警报notification有时会重复，而我不重复它我怎样才能避免这个问题.

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

警报第一次通知后，使用取消它：

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 );