Anroid, get Server Data, Connection, HttpClient depracated

HttpURLConnection conn = (HttpURLConnection) url.openConnection();
   conn.setReadTimeout(15000);
   conn.setConnectTimeout(15000);
   conn.setRequestMethod("POST");

   conn.setDoInput(true);
   conn.setDoOutput(true);

   OutputStream os = conn.getOutputStream();
   BufferedWriter writer = new BufferedWriter(
         new OutputStreamWriter(os, "UTF-8"));

   String paramStr = null;
   {// need BasicNameValuePair -> ContentsValue

      for(BasicNameValuePair record : params){

         if(paramStr == null){
            paramStr = "";
         }else{
            paramStr = paramStr + "&";
         }
         paramStr = paramStr + record.getName()+"="+record.getValue();
      }
   }

   writer.write(paramStr);

   writer.flush();
   writer.close();
   os.close();
   int responseCode=conn.getResponseCode();

   if (responseCode == HttpsURLConnection.HTTP_OK) {
      String line;
      BufferedReader br=new BufferedReader(new InputStreamReader(conn.getInputStream()));
      while ((line=br.readLine()) != null) {
         response+=line;
      }
   }
   else {
      response="";

      throw new HttpException(responseCode+"");
   }
} catch (Exception e) {
   e.printStackTrace();
}

ref : http://stackoverflow.com/questions/9767952/how-to-add-parameters-to-httpurlconnection-using-post