问题描述
final TextView textbox = (TextView) findViewById(R.id.display_number); for(int i = 0; i <li.size();i++) { int k = li.get(i); String strI = Integer.toString(k); textbox.setText(strI); try { Thread.sleep(1000); } catch (InterruptedException e) { // TODO Auto-generated catch block e.printStackTrace(); } }
想从数组里 取值 每取一个值停顿下(所以就设置了sleep) 就跟新一次。
解决方案1
写个handler
private Handler mHandler = new Handler(){ @Override public void handleMessage(Message msg) { switch(msg.what) { case UPDATE_TEXTVIEW: textbox.setText(strI); break; } super.handleMessage(msg); } };
然后发送更新的消息就好了
Message msg = new Message(); msg.what = UPDATE_TEXTVIEW; mHandler.sendMessageDelayed(msg, 1000);
时间: 2024-08-18 19:21:45