Simple Webservice code for android

public class WebServices {
   static String str;
  static String postURL = "http://173.201.63.20/kerala_mobileapps/keralaapp.php";

   static String response;
public static String dataFetech(String idPassed) {
try {
HttpClient client = new DefaultHttpClient();
            HttpPost post = new HttpPost(postURL);
            List<NameValuePair> params = new ArrayList<NameValuePair>();
       params.add(new BasicNameValuePair("mode",idPassed));
       UrlEncodedFormEntity ent = new UrlEncodedFormEntity(params,HTTP.UTF_8);
       post.setEntity(ent);
            HttpResponse responsePOST = client.execute(post);
            HttpEntity resEntity = responsePOST.getEntity();
            response=EntityUtils.toString(resEntity);
            response=response.trim();
            System.out.println("response="+response);
}catch (IOException e) {

e.printStackTrace();
}
return response;
}


public static String searchResult(String companyname,String locationid,String cityid,String catid,String subcatid) {
try {

HttpClient client = new DefaultHttpClient();

            HttpPost post = new HttpPost(postURL);
            List<NameValuePair> params = new ArrayList<NameValuePair>();
            params.add(new BasicNameValuePair("name",companyname));
            params.add(new BasicNameValuePair("category_id",catid));
            params.add(new BasicNameValuePair("subcategory_name",subcatid));
            params.add(new BasicNameValuePair("state_id",locationid));
            params.add(new BasicNameValuePair("city_id",cityid));
            params.add(new BasicNameValuePair("method","searchresult"));
           
       UrlEncodedFormEntity ent = new UrlEncodedFormEntity(params,HTTP.UTF_8);
       post.setEntity(ent);
            HttpResponse responsePOST = client.execute(post);
            HttpEntity resEntity = responsePOST.getEntity();
            response=EntityUtils.toString(resEntity);
            response=response.trim();
     
            System.out.println("response from search results="+response);
}catch (IOException e) {

e.printStackTrace();
}
return response;
}




}