title: UIScrollview bounce and zoom with fixed top
body: <p>Trying to make UIImageView scale when the scrollview is bouncing down.</p>
  
  <p>The idea was stolen from this dribbble: <a href="https://dribbble.com/shots/3341878-Product-Page" rel="nofollow noreferrer">https://dribbble.com/shots/3341878-Product-Page</a></p>
  
  <p>As you can see, image is like'a scaling when the scrollview is bouncing down.</p>
  
  <p>In my app I have the UIImageView inside the UIScrollview, I can't understand how to fix the top of the UIImageView while the UIScrolvview is bouncing down.</p>
  
  <p>Here is what I want to do:</p>
  
  <p><a href="https://i.stack.imgur.com/iY459.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/iY459.png" alt="enter image description here"></a></p>