Given a time in milliseconds, returns the time in milliseconds of the start of the current hour - Android java.util

Android examples for java.util:Second

  1. HOME
  2. Android
  3. java.util
  4. Second

Description

Given a time in milliseconds, returns the time in milliseconds of the start of the current hour

Demo Code

/*//from ww  w.j a v a  2 s . co m
 * Copyright 2014 Kevin Quan (kevin.quan@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.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.TimeZone;
import android.annotation.SuppressLint;

public class Main{
    public static final long ONE_HOUR = 60 * ONE_MINUTE;
    /**
     * Given a time in milliseconds, returns the time in milliseconds of the start of the current hour
     * @param timeInMillis The time in milliseconds
     * @return The start of the hour in milliseconds
     */
    public static long getStartOfHour(long timeInMillis) {
        return ONE_HOUR * (int) (timeInMillis / ONE_HOUR);
    }
}

Related Tutorials