detach method

@override Future<void> detach()

Detaches any active portal.

Returns a future that completes when the existing portal is detached.

Implementation

@override
Future<void> detach() {
  _attachedPortal!.setAttachedHost(null);
  _attachedPortal = null;
  if (_detachPortal != null) {
    _detachPortal!();
    _detachPortal = null;
  }
  return Future.value();
}