I have a basic Mac app with a view animation done through Auto Layout: I add a new view to the right of the current view I update the constraints so that the new view ends up filling the window ...

I want to implement a feature that when an user hovers over the specific area, the new view appears with drawer-like animation. And also, when the user leaves the specific area, the drawer should g...

I created 2 NSAnimation objects of flipping the view with another view. I'd like to run 2 these animations simultaneously. I cannot use NSViewAnimation, since it's now about animating any of view p...