Java tutorial
//package com.java2s; import android.annotation.SuppressLint; import java.text.SimpleDateFormat; import java.util.Date; public class Main { @SuppressLint("SimpleDateFormat") public static String time_string(long time_seconds) { SimpleDateFormat sdf = new SimpleDateFormat(); sdf.applyPattern("HH:mm"); return sdf.format(new Date(time_seconds * 1000)); } }