Java tutorial
//package com.java2s; import android.os.Handler; import android.os.Message; public class Main { public static void sendMessage(Handler handler, int what) { Message msg = new Message(); msg.what = what; handler.sendMessage(msg); } public static void sendMessage(Handler handler, int what, Object obj) { Message msg = new Message(); msg.what = what; msg.obj = obj; handler.sendMessage(msg); } }