addListener method
Calls the listener every time the value of the animation changes.
Listeners can be removed with removeListener.
Implementation
@override
void addListener(listener) {
super.addListener(listener);
_listeners.add(listener);
}
Calls the listener every time the value of the animation changes.
Listeners can be removed with removeListener.
@override
void addListener(listener) {
super.addListener(listener);
_listeners.add(listener);
}