public void postData() {

    // 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 UrlEncodedFormEntity(nameValuePairs));

 

        // Execute HTTP Post Request

        HttpResponse response = httpclient.execute(httppost);

       

    } catch (ClientProtocolException e) {

        // TODO Auto-generated catch block

    } catch (IOException e) {

        // TODO Auto-generated catch block

    }

}