sliverDelegateBuilder method
Implementation
Widget sliverDelegateBuilder(BuildContext _, int index) {
final itemIndex = index ~/ 2;
final Widget? widget;
if (index.isEven) {
// ignore: avoid-returning-widgets
widget = buildListItem(itemIndex);
} else {
// ignore: avoid-returning-widgets
widget = buildSeparator(itemIndex);
}
return widget;
}