Here you can find the source of getNextAlarmTimeAbsolute(int hourOfDay, int minute)
public static Calendar getNextAlarmTimeAbsolute(int hourOfDay, int minute)
//package com.java2s; /*// w w w . j ava 2s. co m * Copyright (C) 2014 Peter M?senthin <peter.moesenthin@gmail.com> * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import java.util.Calendar; public class Main { public static Calendar getNextAlarmTimeAbsolute(int hourOfDay, int minute) { Calendar cal = Calendar.getInstance(); Calendar calNow = (Calendar) cal.clone(); cal.set(Calendar.HOUR_OF_DAY, hourOfDay); cal.set(Calendar.MINUTE, minute); cal.set(Calendar.SECOND, 0); cal.set(Calendar.MILLISECOND, 0); if (cal.compareTo(calNow) <= 0) { //Today's time passed, count to tomorrow cal.add(Calendar.DATE, 1); } return cal; } }