title: zooming in and out of a UIView
body: <p>what is the best way to zoom in and out of a UIView with a simple method buttons. (e.i </p>
  
  <pre><code>(IBAction)zoomin:(int)distance
  {
  method here
  }
  (IBAction)zoomout:(int)distance
  {
  and here
  }
  </code></pre>