off method

void off(
  1. String event,
  2. void handler(
    1. dynamic data
    )
)

Remove specific event listener

Implementation

void off(String event, void Function(dynamic data) handler) {
  final listeners = _eventListeners[event];
  if (listeners != null) {
    listeners.remove(handler);
    if (listeners.isEmpty) {
      _eventListeners.remove(event);
    }
  }
}