removeListener method
移除监听
Implementation
void removeListener(String key) {
if (_events[key]?.isNotEmpty == true) {
List<EventCallback> list = _events[key]!;
list.removeLast();
_events[key] = [...list];
}
}
移除监听
void removeListener(String key) {
if (_events[key]?.isNotEmpty == true) {
List<EventCallback> list = _events[key]!;
list.removeLast();
_events[key] = [...list];
}
}