如何在为Android开发时如何在Android

Deprecated AsyncTask Method

The following code snippet demonstrates how to send POST data using the AsyncTask class:

public class CallAPI extends AsyncTask { public callapi（）{ //设置上下文变量（如果需要） } @Override 受保护的void onpreexecute（）{ super.onpreexecute（）; } @Override 受保护的字符串doinbackground（字符串... params）{ 字符串urlstring = params [0]; // url呼叫 字符串数据= params [1]; //发布数据 outputStream out = null; 尝试 { URL URL =新URL（urlstring）; httpurlconnection urlConnection =（httpurlConnection）url.openconnection（）; out = new BufferedOutputStream（urlConnection.getOutputStream（））; BufferedWriter Writer = new BufferedWriter（new UppoteStreamWriter（OUT，“ UTF-8”））; writer.write（数据）; writer.flush（）; writer.close（）; out.close（）; urlConnection.connect（）; } catch（异常E）{ system.out.println（e.getMessage（））; } } } [2 httpclient httpclient = new defaulthtpclient（）; httppost httppost = new httppost（“ http://www.yoursite.com/script.php”）; 尝试 { 列表 nameValuepairs = new ArrayList （2）; nameValuepairs.Add（new BasicNameValuePair（“ ID”，“ 12345”））; nameValuepairs.Add（new BasicNameValuePair（“ StringData”，“ Hi”））; httppost.setentity（新的urlencodedformentity（nameValuepairs））; httpresponse响应= httpclient.execute（httppost）; } catch（client prototocolexception e）{ // TODO自动生成的捕获块 } catch（ioexception e）{ // TODO自动生成的捕获块 } }