title: Facebook SDK for IOS can't go back to current view after login to Facebook but jump to app first view
body: <p>My app has two views :</p>
  
  <ol>
  <li>The main or first view that is shown when lunching app. While clicking on a vlidate button of this view, we go to second view.</li>
  <li>The second view on witch there is a button "login to Facebook". While clicking on this button we can log in to facebook.</li>
  </ol>
  
  <p>But after logged in to facebook, intead of returning back to current view (second view) it return to first view (main view)</p>
  
  <p>Thank you!</p>