title: Could not instantiate class named ADBannerView
body: <p>i am trying to inset an iad banner at the bottom of my app but keep getting errors after following tutorials.
  code as follows.</p>
  
  <pre><code>@interface DMKHomeViewController (UIViewcontroller ) &lt;ADBannerViewDelegate&gt;{
  
  }
  @end
  
  @implementation DMKHomeViewController
  
  - (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
  {
  self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
  if (self) {
      // Custom initialization
  }
  return self;
  }
  
  -(void)bannerViewDidLoadAd:(ADBannerView *)banner {
  
  [UIView beginAnimations:nil context:NULL];
  
  [UIView setAnimationDuration:1];
  
  [banner setAlpha:1];
  
  [UIView commitAnimations];
  
  }
  
  
  
  - (void)bannerView:(ADBannerView *)
  
  banner didFailToReceiveAdWithError:(NSError *)error
  
  {
  
  [UIView beginAnimations:nil context:NULL];
  
  [UIView setAnimationDuration:1];
  
  [banner setAlpha:0];
  
  [UIView commitAnimations];
  
  }
  </code></pre>
  
  <p>i keep getting the following error
  <strong>* Terminating app due to uncaught exception 'NSInvalidUnarchiveOperationException', reason: 'Could not instantiate class named ADBannerView'
  *</strong> First throw call stack:</p>