[bugfix] fix RangeError when _sortedElements is empty (#164)

Dimibe · Apr 9, 2023 · 846d83b · 846d83b
1 parent 94a0467
commit 846d83b
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/lib/grouped_list.dart b/lib/grouped_list.dart
@@ -377,6 +377,10 @@ class _GroupedListViewState<T, E> extends State<GroupedListView<T, E>> {
   /// is not required since the group headers are displayed inside the lists and
   /// do not need to be always in the visible frame.
   void _scrollListener() {
+    if (_sortedElements.isEmpty) {
+      return;
+    }
+
     _listBox ??= _key.currentContext?.findRenderObject() as RenderBox?;
     var listPos = _listBox?.localToGlobal(Offset.zero).dy ?? 0;
     _headerBox ??=