enableDeveloperMode method
Connects given controller
to the closest AnimationDeveloperTools
widget to enable developer mode.
Implementation
void enableDeveloperMode(AnimationController controller) {
var transfer =
context.findAncestorWidgetOfExactType<AnimationControllerTransfer>();
assert(transfer != null,
'Please place an AnimationDeveloperTools widget inside the widget tree');
transfer?.controllerProvider(controller);
}