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8.TimerTask+Handler:

public class TestTimer extends Activity(){

    Timer timer=new Timer();

    Handler handler=new Handler(){

      public void handleMessage(Message msg){

        switch(msg.what){

        case 1: setTitle(“123”);

            break;

            }

          super.handleMessage(msg);

                }

    };

    TimerTask task=new TimerTask(){

    public void run(){

        Message msg=new Message();

        msg.what=1;

        handler.senMessage(msg);  

          }

    };

    public void onCreate(Bundle savedInstanceState){

      super.onCreate(savedInsanceState);

      setContenView(R.layout.main);

       timer.schedule(task,10000);

    }

}

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