title: Facebook Login Dialog appears only once
body: <p>I am using new Facebook SDK in my application and I am directly using the Login button provided by the apk as -</p>
  
  <pre><code> &lt;com.facebook.widget.LoginButton
              android:id="@+id/login_button"
              android:layout_width="wrap_content"
              android:layout_height="wrap_content"
              android:layout_gravity="center_horizontal"
              android:layout_marginBottom="30dp" /&gt;
  </code></pre>
  
  <p>When I press the  login button, the login dialog appears and when I cancel the dialog it disappears.. this is fine... But when I again press the login button, then It doesnot works .. No error at all is shown in the Log cat.. Please help me to find out the matter..</p>
  
  <p>Thanks</p>