title: android studio sdk version 22 exception during rendering: action_bar
body: <p>When I create a new project on android studio it is not giving any problem. However, looking at the <code>activity_main.xml</code> design it is shows me this: </p>
  
  <blockquote>
    <p>Rendering Problems Exception raised during rendering: action_bar. </p>
  </blockquote>
  
  <p>when I change sdk level 22 to 21 from the design page android studio shows nothing</p>
  
  <p>How can I solve this problem? This is not important problem but I wondered how can I fix this.</p>