copy-paste error?

[sunnyawake]

in SPDisplayObject.removeEventListenerForType:

if ([eventType isEqualToString:SPEventTypeEnterFrame] &&
   ![self hasEventListenerForType:SPEventTypeEnterFrame])

[PrimaryFeather]

What exactly is the problem? I still can't spot it g.

What this code does is executing the if-clause only the first time you're adding an enter-frame listener. That's for an optimization: a list of objects that the "enterFrame" event is sent to (instead of having to iterate over the complete display tree).

[sunnyawake]

it's in the removeEventListener() method, but has a "!" ?

[PrimaryFeather]

Yeah, but that's fine! Note that in the line above that one, "super removeEventListeners..." is called. So the listener was already removed. The "if" now checks if there is another enter frame listener remaining; if not, that object can be removed from the list.

See what I mean?