Animation transitions...

gistfile1.txt

- (void) flipInWithCompletion:(MBTransitionCompletion)completion
{
    BOOL displayingPrimary = [self isDisplayingPrimaryView];
    
    UIView *frontView = [self frontView];
    UIView *backView = [self backView];
    UIView *wrapperView = [self wrapperView];
    
    [wrapperView addSubview:frontView];
    
    [UIView transitionWithView:wrapperView
                      duration:0.8
                       options:UIViewAnimationOptionTransitionFlipFromRight
                    animations:^{
                        [wrapperView addSubview:backView];
                        [frontView removeFromSuperview];
                    }
                    completion:^(BOOL finished) {
                        [self setIsDisplayingPrimaryView:!displayingPrimary];
                        if (completion) {
                            completion();
                        }
                    }
     ];
}

- (void) flipOutWithCompletion:(MBTransitionCompletion)completion
{
    BOOL displayingPrimary = [self isDisplayingPrimaryView];
    
    UIView *primaryView = [self frontView];
    UIView *secondaryView = [self backView];
    UIView *wrapperView = [self wrapperView];
    
    [UIView transitionWithView:wrapperView
                      duration:0.8
                       options:UIViewAnimationOptionTransitionFlipFromLeft
                    animations:^{
                        [self addSubview:primaryView]; [secondaryView removeFromSuperview];
                    }
                    completion:^(BOOL finished) {
                        [self setIsDisplayingPrimaryView:!displayingPrimary];
                        if (completion) {
                            completion();
                        }
                    }
     ];
}