iOS Splash (2016)
I've created a SplashScreen that transform itself in Navigation Header. I've achieved that by using the LaunchScreen with the same configuration of the MainView. Then i disabled MainView's Bottom constraint and enabled it's Height constraint to animate from fullscreen to header's format.
Understanding Auto Layout - https://developer.apple.com/library/content/documentation/UserExperience/Conceptual/AutolayoutPG/index.html#//apple_ref/doc/uid/TP40010853-CH7-SW1