title: Multiple dex files define
body: <p>I am getting this error while i am compiling my project.</p>
  
  <p>I am using drive-api services in the app.
  can anybody tell me that why it is happning.</p>
  
  <p>Multiple dex files define Lcom/google/api/client/auth/jsontoken/JsonWebToken$Header;
  [2013-06-28 15:17:23 - NotesList] Conversion to Dalvik format failed: Unable to execute dex: Multiple dex files define Lcom/google/api/client/auth/jsontoken/JsonWebToken$Header;</p>