willAttachRenderer method
The renderObject will be / has been insert into parent. You can apply properties to renderObject.
This method should not do anything to update the children of the render object.
Implementation
@override
RenderObject willAttachRenderer(
[flutter.RenderObjectElement? flutterWidgetElement]) {
if (renderStyle.display == CSSDisplay.none) {
return RenderConstrainedBox(
additionalConstraints: BoxConstraints.tight(Size.zero));
}
// Init render box model.
return createRenderer(flutterWidgetElement);
}