取消PendingIntent

Question

我有一个PendingIntent用于AlarmManager PendingIntent我有独特的ID，我会跟踪它。因此，我可以通过在尝试取消它时传递唯一ID来取消PendingIntent。我试图在与我创建的Fragment不同的PendingIntent中取消它，如果这有任何区别的话。

但是，即使看过很多过去的问题，我也无法取消它。

我看过例如：https://stackoverflow.com/a/4350149/2442638，https://stackoverflow.com/a/12257277/2442638，https://stackoverflow.com/a/11682008/2442638

这是我创建AlarmManager的方式，并使用// remCounter is unique for each PendingIntent Intent remIntent = new Intent(); remIntent.setAction("com.example.test.remBroadcast"); Bundle extras = new Bundle(); extras.putString("content_title", (String) s_content_title); extras.putString("content_text", (String) s_content_text); extras.putBoolean("bOngoing", boolean_ongoing); extras.putInt("remCounter", remCounter); // This is how I keep track of the unique id. I have proved this to work. remIntent.putExtras(extras); PendingIntent remPendingIntent = PendingIntent.getBroadcast( getActivity(), remCounter, remIntent, PendingIntent.FLAG_ONE_SHOT); getActivity(); // (Do I need this?) AlarmManager remAlarmManager = (AlarmManager) getActivity() .getSystemService(Context.ALARM_SERVICE); remAlarmManager.set(AlarmManager.RTC_WAKEUP, setForCal, remPendingIntent); ：

进行设置

// cancelCounter is the value of the unique id of the PendingIntent I want to cancel

    Intent intent = new Intent();
        PendingIntent pi = PendingIntent.getBroadcast(getActivity(),
                cancelCounter, intent, PendingIntent.FLAG_UPDATE_CURRENT);
        pi.cancel();
        AlarmManager am = (AlarmManager) getActivity()
                .getSystemService(Context.ALARM_SERVICE);

        am.cancel(pi);

这就是我试图取消PendingIntent的方式：

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