Android高手进阶教程 Android Handler的使用

核心提示：private Handler mHandler = new Handler(){public void handleMessage(Message msg) {switch (msg.what) {case 1:updateTitle();break;}};};public void onCreate(Bundle

private Handler mHandler = new Handler(){

public void handleMessage(Message msg) {

switch (msg.what) {

case 1:

updateTitle();

break;

}

};

};

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

Timer timer = new Timer();

timer.scheduleAtFixedRate(new MyTask(), 1, 5000);

}

private class MyTask extends TimerTask{

@Override

public void run() {

Message message = new Message();

message.what = 1;

mHandler.sendMessage(message);

}

}

public void updateTitle(){

setTitle("Welcome to Mr Wei's blog " + title);

title ++;

}

}

下面我们看一下效果图: