Cocos2d with UIKit

SliderViewController

- (void)revealToggle:(id)sender
{	
    self.sliderShown ? [self concealAnimation]  : [self revealAnimationWithCallback:^(void){}];
}

- (void)revealAnimationWithCallback:(void (^) (void) )callback
{	    
    [self.backgroundView addSubview:self.overlayView];
    NSTimeInterval duration = self.toggleAnimationDuration;
	[UIView animateWithDuration:duration delay:0.0f options:UIViewAnimationOptionBeginFromCurrentState|UIViewAnimationOptionAllowUserInteraction animations:^
     {
         CGRect oldFrame = self.slideInView.frame;
         self.slideInView.frame = CGRectMake(STAGE_X, STAGE_Y, oldFrame.size.width, oldFrame.size.height);
     }
                     completion:^(BOOL finished)
     {
         [[CCDirector sharedDirector] setAnimationInterval:1.0/60];
         self.sliderShown = YES;
         callback();
     }];
}

- (void) concealAnimation
{
    NSTimeInterval duration = self.toggleAnimationDuration;
    [UIView animateWithDuration:duration delay:0.0f options:UIViewAnimationOptionBeginFromCurrentState|UIViewAnimationOptionAllowUserInteraction animations:^
     {
         CGRect oldFrame = self.slideInView.frame;
         self.slideInView.frame = CGRectMake(IPAD_WIDTH + self.shadowRadius - STAGE_OVERLAP, STAGE_Y,	 oldFrame.size.width, oldFrame.size.height);

     }
        completion:^(BOOL finished)
     {
         [[CCDirector sharedDirector] setAnimationInterval:10.0];
         self.sliderShown = NO;
     }];

}

ViewController.m

-(void) viewDidLoad
{
   [[CCDirector sharedDirector] setAnimationInterval:10.0];
   [[CCDirector sharedDirector] setView:stageView];
   CCScene *scene = [StageLayer scene];
}