Java tutorial
//package com.java2s; import java.text.DateFormat; import java.text.SimpleDateFormat; import java.util.Date; import android.annotation.SuppressLint; public class Main { @SuppressLint("SimpleDateFormat") public static String getLongToDate(String time) { long foo = Long.parseLong(time); Date date = new Date(foo); DateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS"); return (formatter.format(date)); } }