Here you can find the source of cancelAlarm(Context context, Class> clazz, int flags)
public static void cancelAlarm(Context context, Class<?> clazz, int flags)
//package com.java2s; /*//www . j a va2 s.com Copyright (C) 2013 Prasanna Thirumalai This file is part of StackX. StackX is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. StackX is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with StackX. If not, see <http://www.gnu.org/licenses/>. */ import android.app.AlarmManager; import android.app.PendingIntent; import android.content.Context; import android.content.Intent; public class Main { public static void cancelAlarm(Context context, Class<?> clazz, int flags) { AlarmManager alarmManager = (AlarmManager) context .getSystemService(Context.ALARM_SERVICE); Intent intent = new Intent(context, clazz); PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, intent, flags); alarmManager.cancel(pendingIntent); pendingIntent.cancel(); } }