title: Multiple dex files define Lcom/google/zxing/client/android/BeepManager Error
body: <p>I am trying to make a qrcode reader application.
  I followed the instruction given on: 
  <a href="http://www.androidaz.com/development/zxing-qr-reader-direct-integration" rel="nofollow">http://www.androidaz.com/development/zxing-qr-reader-direct-integration</a></p>
  
  <p>However I am facing error as :</p>
  
  <pre><code> Dex Loader] Unable to execute dex: Multiple dex files define Lcom/google/zxing/client/android/BeepManager$1;
   Conversion to Dalvik format failed: Unable to execute dex: Multiple dex files define Lcom/google/zxing/client/android/BeepManager$1;
  </code></pre>