setupParentData method
Implementation
@override
void setupParentData(RenderObject child) {
if (child.parentData is! FlexParentData) {
child.parentData = FlexParentData();
}
}
@override
void setupParentData(RenderObject child) {
if (child.parentData is! FlexParentData) {
child.parentData = FlexParentData();
}
}