常用的小方法，避免忘记，在此记录一下
1. 将Activity设置为对话框模式
例如:

2. 设置Activity的进度条


5. HttpURLConnection连接超时设置
URL url = null;HttpURLConnection urlConn = null;url = new URL(AppConstant.URL.Url_AgtTotalInfo);urlConn = (HttpURLConnection) url.openConnection();urlConn.setConnectTimeout(10 * 1000);System.out.println("time out is 10 seconds");try{if (urlConn.getResponseCode() != 200){throw new SocketTimeoutException("request url failed!");}}catch(SocketTimeoutException e){System.out.println(e);//System.out.println("not connected");urlConn.disconnect();}