Is it possible to implement a Hero Animation in flutter but instead of being controlled by Navigator, be controlled by a custom AnimationController.
This is for a use case needs to go inside another element rather than a new screen as is the case with Navigator.
Alternatively, is it possible to directly inject a widget into an overlay that is fixed permanently elsewhere on the screen preserving the state, logic and controllers of where it was initially declared.
Imagine I have content that changes on a page based on a certain user interaction but still should animate a transition of a sliver app bar as if a new screen has entered when it had not.
In laymen's terms, I want to declare a widget wherever I happen to declare it but not actually render there. IT should render instead in a targeted location but still maintain any state or controllers it obtained or inherited from the position in which it was actually declare.