我遇到过这样的问题.
Delete alarm from AlarmManager using cancel() – Android
“
我正在尝试使用两种不同的方法创建和删除警报,这两种方法都在应用程序的不同时刻调用.逻辑.
但是,当我调用AlarmManager的cancel()方法时,警报不会被删除.“
为了设置:
Intent myIntent = new Intent(getApplicationContext(),
SessionReceiver.class);
PendingIntent pendingIntent = PendingIntent.getbroadcast(
getApplicationContext(), 1, myIntent, 0);
AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
alarmManager.set(AlarmManager.RTC, Now.getTimeInMillis(),
pendingIntent);
要删除:
AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
Intent myIntent = new Intent(getApplicationContext(),
SessionReceiver.class);
PendingIntent pendingIntent = PendingIntent.getbroadcast(
getApplicationContext(), 0, myIntent, PendingIntent.FLAG_UPDATE_CURRENT);
alarmManager.cancel(pendingIntent);
解决方法:
需要创建PendingIntent,就像启动AlarmManager时一样,看起来主要的问题是你使用的是另一个requestCode(零而不是一个).
AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
Intent myIntent = new Intent(getApplicationContext(), SessionReceiver.class);
PendingIntent pendingIntent = PendingIntent.getbroadcast(
getApplicationContext(), 1, myIntent, 0);
alarmManager.cancel(pendingIntent);
要使用PendingIntent.FLAG_UPDATE_CURRENT标志,请参阅以下内容:
设置:
Intent myIntent = new Intent(getApplicationContext(), SessionReceiver.class);
PendingIntent pendingIntent = PendingIntent.getbroadcast(
getApplicationContext(), 1, myIntent,
PendingIntent.FLAG_UPDATE_CURRENT);
AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
alarmManager.set(AlarmManager.RTC, Now.getTimeInMillis(), pendingIntent);
取消:
AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
Intent myIntent = new Intent(getApplicationContext(), SessionReceiver.class);
PendingIntent pendingIntent = PendingIntent.getbroadcast(
getApplicationContext(), 1, myIntent,
PendingIntent.FLAG_UPDATE_CURRENT);
alarmManager.cancel(pendingIntent);