title: StickersManager class not found for Quickblox
body: <p>I am trying to use Quickblox's sample chat application.</p>
  
  <p><a href="http://quickblox.com/developers/Android_XMPP_Chat_Sample" rel="nofollow">http://quickblox.com/developers/Android_XMPP_Chat_Sample</a></p>
  
  <p>But I am getting this error "The import vc908 cannot be resolved"
  At this line : </p>
  
  <pre><code>import vc908.stickerfactory.StickersManager;
  </code></pre>
  
  <p>I have used these libs : 
   - quickblox-android-sdk-chat-2.2.6.jar
   - quickblox-android-sdk-core-2.2.6.jar</p>
  
  <p>Also Added these :
  - android-support-v7-appcompat
  - google-play-services_lib
  - pull-to-refresh</p>