Java tutorial
//package com.java2s; 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, int id) { AlarmManager am = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE); Intent intent = new Intent("myAlarmClock"); PendingIntent pdi = PendingIntent.getBroadcast(context, id, intent, PendingIntent.FLAG_CANCEL_CURRENT); am.cancel(pdi); } }