title: How do I load pictures to UIImageView keeping its original ratio?
body: <p>I want to load multiple pictures to <code>UIImageView</code> from the Library.</p>
  
  <p>However, the size and ratio of the pictures changes to <code>UIImageView</code> size when its loaded and</p>
  
  <p>distort the original pictures.</p>
  
  <p>How do I load the picture to <code>UIImageView</code> while keeping its original size?</p>