android Handler
mHandler = new Handler();
mHandler.post(new Runnable() {
@Override
public void run() {
text.setText(""+i);
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
e.printStackTrace();
}
// TODO Auto-generated method stub
while(i<5){
i ++;
text.setText(""+i);
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
});
大家看看上面的代码,有什么问题?问什么5秒后,textview才会显示 5 而不是实时刷新?