title: Facebook feed not posted when i remove the application from facebook account
body: <p>I have developed one application and integrate the face book application to my app.
  In my application I am posting some <code>feed</code> to face book without open the facebook feed dialog, which is working fine for me. </p>
  
  <p>My problem is when I remove the application in my facebook account settings and then post the feed to facebook account the feed will not posted and also don't show any error to me. I want to get any error response message from facebook account or show any toast message </p>
  
  <blockquote>
    <p>"Logout and then login again". </p>
  </blockquote>
  
  <p>Because my session is not closed. how to solve this problem?</p>
  
  <pre><code> if (facebook.isSessionValid()) {
              AsynchrnousFacebook objAsynchtask = new AsynchrnousFacebook();
              objAsynchtask.execute();
          } else {
              loginToFacebook();
          }
  
   class AsynchrnousFacebook extends AsyncTask&lt;Void, Void, Void&gt; {
  
          @Override
          protected Void doInBackground(Void... params) {
              Bundle parameters = new Bundle();
              parameters.putString("message", "Testing task App");
              try {
                  String response = facebook.request("feed", parameters, "POST");
                  Log.i(TAG, "ResponseString:" + response);
              } catch (FileNotFoundException e) {
                  // TODO Auto-generated catch block
                  e.printStackTrace();
              } catch (MalformedURLException e) {
                  // TODO Auto-generated catch block
                  e.printStackTrace();
              } catch (IOException e) {
                  // TODO Auto-generated catch block
                  e.printStackTrace();
              }
  
              return null;
          }
  </code></pre>