Design a small Android app to convert from Hijri to Gregoria

Design a small Android app to convert from Hijri to Gregorian and vice versa

Solution

import org.joda.time.Chronology;

import org.joda.time.LocalDate;

import org.joda.time.chrono.IslamicChronology;

import org.joda.time.chrono.ISOChronology;

public class Test {

    public static void main(String[] args) throws Exception {

        Chronology iso = ISOChronology.getInstanceUTC();

        Chronology hijri = IslamicChronology.getInstanceUTC();

        LocalDate todayIso = new LocalDate(2013, 3, 31, iso);

        LocalDate todayHijri = new LocalDate(todayIso.toDateTimeAtStartOfDay(),

                                             hijri);

        System.out.println(todayHijri); // 1434-05-19

    }

}