Android笔记——Handler更新UI示例

public class MainActivity extends ActionBarActivity {

	private TextView textView;

	private int i=0;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        textView=(TextView) findViewById(R.id.textView1);

        final Handler handler=new Handler(){

        	public void handleMessage(android.os.Message msg) {

        		Bundle bundle=msg.getData();

        		String string=bundle.getString("name");

        		textView.setText(string);

        	};

        };

        Timer timer=new Timer();

        timer.schedule(new TimerTask() {

			@Override

			public void run() {

				// TODO Auto-generated method stub

				Message message=new Message();

				Bundle bundle =new Bundle();

				bundle.putString("name", "Hello"+i);

				i++;

				message.setData(bundle);

				handler.sendMessage(message);

			}

		}, 1000,1000);

    }

}

巴特西

Android笔记——Handler更新UI示例

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