相关疑难解决方法(0)

我遇到过这样的问题. 使用cancel() - Android从AlarmManager删除警报

"我试图用两种不同的方法创建和删除一个警报,这两种方法都在应用程序的不同时刻被调用.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);

但是这并没有删除已注册的警报.提前致谢.

编辑:已解决!曾经想要从某个特定日期开始设置通知(当某个活动开始时或按下按钮时？)阅读更多信息以了解如何:

 //Set a notification in 7 days
                Calendar sevendayalarm = Calendar.getInstance();

                sevendayalarm.add(Calendar.DATE, 7);

                Intent intent = new Intent(this, Receiver.class);
                PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 001, intent, 0);

                AlarmManager am = (AlarmManager)getSystemService(ALARM_SERVICE);
                am.set(AlarmManager.RTC_WAKEUP, sevendayalarm.getTimeInMillis(), pendingIntent);

这是Receiver类的代码

public class Receiver extends Service {

    @Override
    public IBinder onBind(Intent intent) {
        return null;
    }

    @Override
    public void onCreate() {
        Intent intent = new Intent(this, Test.class);
        long[] pattern = {0, 300, 0};
        PendingIntent pi = PendingIntent.getActivity(this, 01234, intent, 0);
        NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(this)
            .setSmallIcon(R.drawable.depressiontest)
            .setContentTitle("Take …