removeListener method
Remove a previously registered closure from the list of closures that are notified when the object changes.
If the given listener is not registered, the call is ignored. This method is allowed to be called on disposed instances for usability reasons.
Implementation
@override
void removeListener(VoidCallback listener) {
if (!_isDisposed) {
super.removeListener(listener);
} else {
Log.alert('Tried to remove a listener from a disposed Pod!', {#df_pod});
}
}