You need a broadcasting mechanism.
Many architecture framework offers this facility, but as a quick hack you can try something like
public class Broadcaster extends EventDispatcher ( singleton anti pattern )
then just do Broadcaster.instance.addEventListener or removeEventListener. it's a crappy singleton, but at least it does not hold any global state.
I've also seen people use Application.application to dispatch/listen globally but really don't like it.
Note : Use weak references or your views will never be eligible for garbage collections.