Calls the listener every time the value of the animation changes.
Listeners can be removed with removeListener.
Source
void addListener(VoidCallback listener) {
didRegisterListener();
_listeners.add(listener);
}
Calls the listener every time the value of the animation changes.
Listeners can be removed with removeListener.
void addListener(VoidCallback listener) {
didRegisterListener();
_listeners.add(listener);
}