removeListener method

void removeListener(
  1. PictureListener listener
)

Stop listening for new concrete PictureInfo objects.

Implementation

void removeListener(PictureListener listener) {
  if (_completer != null) {
    return _completer!.removeListener(listener);
  }
  assert(_listeners != null);
  _listeners!.removeWhere(
    (_PictureListenerPair pair) => pair.listener == listener,
  );
}