Class ZoomIn:
key: optional widget key reference
child: mandatory, widget to animate
duration: how much time the animation should take
delay: delay before the animation starts
controller: optional/mandatory, exposes the animation controller created by Animate_do
the controller can be use to repeat, reverse and anything you want, its just an animation controller
Class ZoomOut:
key: optional widget key reference
child: mandatory, widget to animate
duration: how much time the animation should take
delay: delay before the animation starts
controller: optional/mandatory, exposes the animation controller created by Animate_do
the controller can be use to repeat, reverse and anything you want, its just an animation controller