Getting AccessToken Using App id, App Secret Key of facebook app

Getting AccessToken  Using App id, App Secret Key of facebook app

use the url 

 https://graph.facebook.com/oauth/access_token? type=client_cred&client_id="+appId+"&client_secret="+appSecret

Sample Code:

 public static String getAccessToken() {


  InputStream is = null;

  String result = "";
  String url;
  String urlParameters = null;
  
  try {
   url = "https://graph.facebook.com/oauth/access_token?type=client_cred&client_id="+appId+"&client_secret="+appSecret;
   
   System.out.println("url is "+url);

   HttpClient httpclient = new DefaultHttpClient();
   HttpPost httppost = new HttpPost(url);
   HttpResponse response = httpclient.execute(httppost);
   HttpEntity entity = response.getEntity();
   is = entity.getContent();
  } catch (Exception e) {
   Log.e("log_tag", "Error in http connection " + e.toString());
  }
  // convert response to string
  try {

   BufferedReader reader = new BufferedReader(new InputStreamReader(
     is, "iso-8859-1"), 8);
   StringBuilder sb = new StringBuilder();
   String line = null;
   while ((line = reader.readLine()) != null) {
    sb.append(line + "\n");
   }
   is.close();

   result = sb.toString();

  } catch (Exception e) {
   Log.e("log_tag", "Error converting result " + e.toString());

  }

  return result;

 }