Add AnimatorKey. It is similar to Flutter global key. It allows to control the animation from outside the Animator widget it is associated with. #24.
Add the AnimatorRebuilder widget. It can subscribe to an “AnimatorKey”. It will be animated in synchronization with the Animator widget with which animatorKey is associated.
BuilderMap.builderparameter.AnimatorwidgetAnimatorKey. It is similar to Flutter global key. It allows to control the animation from outside the Animator widget it is associated with. #24.AnimatorRebuilderwidget. It can subscribe to an “AnimatorKey”. It will be animated in synchronization with the Animator widget with whichanimatorKeyis associated.