是否可以将动画插入到交换视图时显示的UITabBarController中?

I have a custom UITabBarController and I want it to slide out the old view and slide in the new view whenever a TabBarItem gets pressed. I looked at UITabBarControllerDelegate but it just offers me to decide if the view gets displayed not how (via shouldSelectViewController). Is there a way to do that?I have a custom UITabBarController and I want i