DateUtils.java

package com.betomaluje.miband;

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

/**
 * Created by betomaluje on 7/16/15.
 */
public class DateUtils {

    private static SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.getDefault());

    public static String convertString(Calendar cal) {
        return sdf.format(cal.getTime());
    }

    public static String convertString(long timeInMillis) {
        Calendar date = Calendar.getInstance();
        date.setTimeInMillis(timeInMillis);
        return convertString(date);
    }

}