title: Android Studio (0.3.2) and ZXing
body: <p>I cannot get ZXing to work in Android Studio. I have generated the core.jar file using Ant, and the same jar worked fine using Eclipse. Now I must get it working in Android Studio (0.3.2).</p>
  
  <p>Here is what I have tried but to no avail so far:</p>
  
  <ul>
  <li>Copy the core.jar file into the PROJECTNAMEProject/PROJECTNAME/libs/</li>
  <li>Right click > Add as library </li>
  <li>Choose Project Library as the 'Level' in
  the Create Library dialog, with 'Add to module' set to the
  PROJECTNAME folder. I have tried the Global and Module library types
  as well as Project library. </li>
  <li>Add <code>compile files('libs/core.jar')</code> to
  the dependencies section of the
  PROJECTNAMEProject/PROJECTNAME/build.gradle</li>
  </ul>
  
  <p>The error I'm getting seems to be telling me I'm including the jar twice:</p>
  
  <p>Gradle: UNEXPECTED TOP-LEVEL EXCEPTION:
  Gradle: java.lang.IllegalArgumentException: already added: Lcom/google/zxing/BarcodeFormat;</p>