removeGroupChangeListener method Null safety
- EMGroupEventListener listener
Removes a group event listener.
This method removes a group event listener registered with {@link #addGroupChangeListener(EMGroupEventListener)}.
Param listener
The group event listener to be removed.
Implementation
void removeGroupChangeListener(EMGroupEventListener listener) {
if (_groupChangeListeners.contains(listener)) {
_groupChangeListeners.remove(listener);
}
}