title: iPhone App: implementation of Drag and drop images in UIView
body: <p>In my iPhone App I want to implemented functionality as shown  below </p>
  
  <p><img src="https://i.stack.imgur.com/EMiQF.png" alt="enter image description here"></p>
  
  <p>user can pick a shape(an image) from one view and put in other view </p>
  
  <p>How can I achieve this?</p>