title: How do I create a transparent UITextField?
body: <p>On my 1) <code>UIView</code> one (2) <code>UIImageView</code> will be on this (3) <code>UITextView</code>.</p>
  
  <p>This <code>UITextView</code> must be Transparent and we have to view the <code>imageView</code>.</p>
  
  <p>How can I do this?</p>