buildCompleteItem method
Implementation
Widget buildCompleteItem(
BuildContext context, int idx, Animation<double> animation) {
final item = Lists.getOrNull(trackedList, idx);
if (item == null) return onNotFound(context, idx, animation);
return animated(
widget.animationType,
name: "build-item-${widget.id}-$idx",
animation: animation,
child: buildItem(context, idx, item, animation),
);
}