protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        textView = (TextView) findViewById(R.id.text);

        handler = new Handler();

//        new myHandlerThread(handler).start();

        new myHandlerThread2(handler).start();

    }

    class myHandlerThread2 extends Thread {

        private Handler handler;

        public myHandlerThread2(Handler handler) {

            // TODO Auto-generated constructor stub

            this.handler = handler;

        }

        @Override

        public void run() {

            // TODO Auto-generated method stub

            super.run();

            handler.post(new Runnable() {

                @Override

                public void run() {

                    // TODO Auto-generated method stub

                    textView.setText("myHandlerThread2");

                }

            });

        }

    }

class LooperThread extends Thread {

public Handler mHandler;

public void run() {

Looper.prepare();

mHandler = new Handler() {

public void handleMessage(Message msg) {

// process incoming messages here

}

};

Looper.loop();

}

}