gistfile1.m

Segue

- (void)perform {
	self.contentController.modalPresentationStyle = UIModalPresentationCustom;
	self.contentController.transitioningDelegate = self.tabBarController;

//	Orientation works properly.
//	[self.tabBarController addChildViewController:self.contentController];
//	self.contentController.view.frame = self.tabBarController.tabContentView.bounds;
//	[self.tabBarController.tabContentView addSubview:self.contentController.view];
	
//	Boo no orientation
	[self.tabBarController presentViewController:self.contentController animated:self.animated completion:nil];
}







Animator

- (void)animateTransition:(id <UIViewControllerContextTransitioning>)transitionContext {
	// Grab the from and to view controllers from the context
	VerticalTabBarViewController* tabBarController = (VerticalTabBarViewController*)[transitionContext viewControllerForKey:UITransitionContextFromViewControllerKey];
	UIViewController *contentController = [transitionContext viewControllerForKey:UITransitionContextToViewControllerKey];
//	[transitionContext.containerView addSubview:contentController.view];
		
	if (self.presenting) {
		contentController.view.frame = tabBarController.tabContentView.bounds;
		[tabBarController addChildViewController:contentController];
		[tabBarController.tabContentView addSubview:contentController.view];
	}
	else {
		[contentController.view removeFromSuperview];
	}
	
	[transitionContext completeTransition:YES];
}