title: How we can show UIViewController and UIView by using Cocos2d?
body: <p>I am trying to build an iPhone app by using Cocos2d.But i have used four types of classes
  like bellow-</p>
  
  <pre><code>@interface MenuScene : Scene {}
  
  @end
  @interface FlipView : UIImageView
  {
      CGPoint startTouchPosition;
      NSString *dirString;
      UIImageView *firstPieceView;   
      UIImageView *secondPieceView;
  
  }
  @end
  
  @interface HelloController : UIViewController
  @end
  
  
  @interface MenuLayer: Layer{
          Todo *todo;
          Menu * menu;
          sqlite3 *database;
          NSMutableArray *todos;
      NSString *dirString;
      CGPoint startTouchPosition;
  }
  @property (nonatomic, retain) NSMutableArray *todos;
  -(void) button1: (id)sender;
  -(void) button2: (id)sender;
  -(void) black_jack: (id)sender;
  @end
  </code></pre>
  
  <p>but how can i show FlipView and HelloController class through MenuLayer class.</p>