title: Why getting this error transformClassesWithDexForDebug while building apk?
body: <p>While building apk I am getting this error:
  <a href="https://i.stack.imgur.com/2p5Py.png" rel="nofollow noreferrer">Error Image</a></p>
  
  <p>This is my gradle Image: <a href="https://i.stack.imgur.com/PO3Q7.png" rel="nofollow noreferrer">gradle image</a></p>
  
  <p><strong>Note:- I started getting this error after including android-support-v4.jar to project</strong></p>
  
  <p>If anyone know this so please tell me why I am getting this error and how to solve It.</p>