myhandler handler =new myhandler();                 // Create Inner Thread Class class background extends Thread {  public void run() {                   Message msgObj = handler.obtainMessage(); Bundle b = new Bundle(); b.putString("message", msg); msgObj.setData(b); handler.sendMessage(msgObj);    } }     // Define the Handler that receives messages from the thread and update the progress class myhandler extends Handler {  public void handleMessage(Message msg) {                             if ((null != msg))                                String aResponse = msg.getData().getString("message");                           }                     }