.centerpresentation style with a physics-based dismissal gesture.
.custom(animator:)presentation style, where you provide an instance of the
CenterAnimationanimations both implement
Animatorand may be subclassed (configuration options will be added in a future release). You may use the
PhysicsPanHandlerclass to incorporate a physics-based dismissal gesture into any custom animator.
.centeredmessage view layout with elements centered and arranged vertically.
configureBackgroundView(sideMargin:)convenience methods to