In Android we can communicate with server using HTTP request methods for getting some details from the server.We use RESTful service.Mainly we use two types of HTTP request HTTP GET(),HTTP POST() methods. In some case we have to give some values to the server for fetching some informations, then we use commonly HTTP POST() and if we simply want to request for some datas we use HTTP GET(). Lets see HTTP POST() method. public void getResponse(String a, String b) { HttpClient httpclient = new DefaultHttpClient(); HttpPost httppost = new HttpPost("URL"); //here write the url List < NameValuePair > nameValueList = new ArrayList < NameValuePair > (2); nameValueList.add(new BasicNameValuePair("keyword", a)); nameValueList.add(new BasicNameValuePair("keyword", b)); try { httppost.setEntity(new UrlEncodedFormEntity(nameValueList)); HttpResponse response = httpclient.execute(httppost); Log.i(...