单击按钮的Android HTTP发布请求

使用AsyncTask在按钮单击时执行网络操作为：

public class onbuttonclickHttpPost extends AsyncTask<String, Void, Void> {    @Override    protected String doInBackground(String... params) {        byte[] result = null;        String str = "";       // Create a new HttpClient and Post Header        HttpClient httpclient = new DefaultHttpClient();        HttpPost httppost = new HttpPost("http://www.yoursite.com/script.php");        try {     // Add your data     List<NamevaluePair> namevaluePairs = new ArrayList<NamevaluePair>(2);     namevaluePairs.add(new BasicNamevaluePair("id", "12345"));     namevaluePairs.add(new BasicNamevaluePair("stringdata", "AndDev is Cool!"));     httppost.setEntity(new UrlEnpredFormEntity(namevaluePairs));     // Execute HTTP Post Request     HttpResponse response = httpclient.execute(httppost);     StatusLine statusLine = response.getStatusLine();     if(statusLine.getStatusCode() == HttpURLConnection.HTTP_OK){     result = EntityUtils.toByteArray(response.getEntity());     str = new String(result, "UTF-8"); }          } catch (ClientProtocolException e) { // TODO Auto-generated catch block        } catch (IOException e) { // TODO Auto-generated catch block        }          return str;    }        @Override    protected void onPostExecute(String result) {        // something with data retrieved from server in doInBackground    }}

然后在Button上单击Start AsyncTask onbuttonclickHttpPost作为：

buttonclick.setonClickListener(new View.onClickListener()        {         public void onClick(View v) {         new onbuttonclickHttpPost.execute(null);     }      });