get First Time Of Day - Android java.util

Android examples for java.util:Day

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Description

get First Time Of Day

Demo Code


//package com.java2s;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;

public class Main {

    public static final String dateFormatYMDHMS = "yyyy-MM-dd HH:mm:ss";

    public static final String dateFormatYMD = "yyyy-MM-dd";

    public static long getFirstTimeOfDay() {
        Date date = null;//from ww w.  j ava 2 s. c  o  m
        try {
            String currentDate = getCurrentDate(dateFormatYMD);
            date = getDateByFormat(currentDate + " 00:00:00",
                    dateFormatYMDHMS);
            return date.getTime();
        } catch (Exception e) {
        }
        return -1;
    }

    public static String getCurrentDate(String format) {
        String curDateTime = null;
        try {
            SimpleDateFormat mSimpleDateFormat = new SimpleDateFormat(
                    format);
            Calendar c = new GregorianCalendar();
            curDateTime = mSimpleDateFormat.format(c.getTime());
        } catch (Exception e) {
            e.printStackTrace();
        }
        return curDateTime;

    }

    public static Date getDateByFormat(String strDate, String format) {
        SimpleDateFormat mSimpleDateFormat = new SimpleDateFormat(format);
        Date date = null;
        try {
            date = mSimpleDateFormat.parse(strDate);
        } catch (ParseException e) {
            e.printStackTrace();
        }
        return date;
    }
}

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