title: Cannot read property 'panHandlers' of undefined
body: <p><a href="http://i.stack.imgur.com/ElP9d.jpg" rel="nofollow">I am practicing panResponder, but the error "can not read property  panResponder" of undefined always occurs. Can anyone help me?</a></p>
  
  <p><a href="http://i.stack.imgur.com/RvBrc.jpg" rel="nofollow">enter image description here</a></p>