TimeUtils.java

package com.quickblox.sample.chat.utils;

import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;

public class TimeUtils {

    private TimeUtils() {
    }

    public static String getTime(long milliseconds) {
        SimpleDateFormat dateFormat = new SimpleDateFormat("HH:mm", Locale.getDefault());
        return dateFormat.format(new Date(milliseconds));
    }

    public static String getDate(long milliseconds) {
        SimpleDateFormat dateFormat = new SimpleDateFormat("MMMM dd", Locale.getDefault());
        return dateFormat.format(new Date(milliseconds));
    }

    public static long getDateAsHeaderId(long milliseconds) {
        SimpleDateFormat dateFormat = new SimpleDateFormat("ddMMyyyy", Locale.getDefault());
        return Long.parseLong(dateFormat.format(new Date(milliseconds)));
    }
}