ExtendedListView.builder constructor

ExtendedListView.builder({
  1. Key? key,
  2. Axis scrollDirection = Axis.vertical,
  3. bool reverse = false,
  4. ScrollController? controller,
  5. bool? primary,
  6. ScrollPhysics? physics,
  7. bool shrinkWrap = false,
  8. EdgeInsetsGeometry? padding,
  9. double? itemExtent,
  10. required IndexedWidgetBuilder itemBuilder,
  11. int? itemCount,
  12. bool addAutomaticKeepAlives = true,
  13. bool addRepaintBoundaries = true,
  14. bool addSemanticIndexes = true,
  15. double? cacheExtent,
  16. int? semanticChildCount,
  17. DragStartBehavior dragStartBehavior = DragStartBehavior.start,
  18. required ExtendedListDelegate extendedListDelegate,
  19. ScrollViewKeyboardDismissBehavior keyboardDismissBehavior = ScrollViewKeyboardDismissBehavior.manual,
  20. String? restorationId,
  21. Clip clipBehavior = Clip.hardEdge,
})

Implementation

ExtendedListView.builder({
  Key? key,
  Axis scrollDirection = Axis.vertical,
  bool reverse = false,
  ScrollController? controller,
  bool? primary,
  ScrollPhysics? physics,
  bool shrinkWrap = false,
  EdgeInsetsGeometry? padding,
  this.itemExtent,
  required IndexedWidgetBuilder itemBuilder,
  int? itemCount,
  bool addAutomaticKeepAlives = true,
  bool addRepaintBoundaries = true,
  bool addSemanticIndexes = true,
  double? cacheExtent,
  int? semanticChildCount,
  DragStartBehavior dragStartBehavior = DragStartBehavior.start,
  required this.extendedListDelegate,
  ScrollViewKeyboardDismissBehavior keyboardDismissBehavior =
      ScrollViewKeyboardDismissBehavior.manual,
  String? restorationId,
  Clip clipBehavior = Clip.hardEdge,
})  : assert(itemCount == null || itemCount >= 0),
      assert(semanticChildCount == null || semanticChildCount <= itemCount!),
      childrenDelegate = SliverChildBuilderDelegate(
        itemBuilder,
        childCount: itemCount,
        addAutomaticKeepAlives: addAutomaticKeepAlives,
        addRepaintBoundaries: addRepaintBoundaries,
        addSemanticIndexes: addSemanticIndexes,
      ),
      super(
        key: key,
        scrollDirection: scrollDirection,
        reverse: reverse,
        controller: controller,
        primary: primary,
        physics: physics,
        shrinkWrap: shrinkWrap,
        padding: padding,
        cacheExtent: cacheExtent,
        semanticChildCount: semanticChildCount ?? itemCount,
        dragStartBehavior: dragStartBehavior,
        keyboardDismissBehavior: keyboardDismissBehavior,
        restorationId: restorationId,
        clipBehavior: clipBehavior,
      );