get Last Day Of Week - Android java.util

Android examples for java.util:Day

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Description

get Last Day Of Week

Demo Code


//package com.java2s;

import java.text.SimpleDateFormat;
import java.util.Calendar;

import java.util.GregorianCalendar;

public class Main {

    public static String getLastDayOfWeek(String format) {
        return getDayOfWeek(format, Calendar.SUNDAY);
    }//from   w w w .  j a v a2s  . c  om

    private static String getDayOfWeek(String format, int calendarField) {
        String strDate = null;
        try {
            Calendar c = new GregorianCalendar();
            SimpleDateFormat mSimpleDateFormat = new SimpleDateFormat(
                    format);
            int week = c.get(Calendar.DAY_OF_WEEK);
            if (week == calendarField) {
                strDate = mSimpleDateFormat.format(c.getTime());
            } else {
                int offectDay = calendarField - week;
                if (calendarField == Calendar.SUNDAY) {
                    offectDay = 7 - Math.abs(offectDay);
                }
                c.add(Calendar.DATE, offectDay);
                strDate = mSimpleDateFormat.format(c.getTime());
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return strDate;
    }
}

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