Java tutorial
//package com.java2s; /* * Alarming, an alarm app for the Android platform * * Copyright (C) 2014-2015 Peter Msenthin <peter.moesenthin@gmail.com> * * Alarming 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. * * This program 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 this program. If not, see <http://www.gnu.org/licenses/>. */ import java.util.Calendar; public class Main { /** * Creates a calendar object with the next absolute time determined by hour and minute * @param hourOfDay * @param minute * @return */ 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; } }