title: Simple Animation with NSTimer and opacity for the iPhone
body: <p>I just want to realize a simple animation, where a picture is faded in a few seconds after the beginning of the application and then it should be faded out and totally disappear. I've never done any animations on the iPhone so I'm stuck. When using something like <code>image.opacity = 1.0;</code> like in the Developer Documentation I get error: </p>
  
  <blockquote>
    <p>request for member 'opacity' in something not a structure or union.</p>
  </blockquote>