From ddb282579d44fcce3f004531bb37dba520d3260f Mon Sep 17 00:00:00 2001
From: Thibault Deckers <thibault.deckers@gmail.com>
Date: Sun, 12 Apr 2020 11:01:39 +0900
Subject: [PATCH] fixed section layout when scrolled offset gets beyond last
 section

---
 lib/labs/sliver_known_extent_list.dart | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/labs/sliver_known_extent_list.dart b/lib/labs/sliver_known_extent_list.dart
index aa7723ff3..769ade9b2 100644
--- a/lib/labs/sliver_known_extent_list.dart
+++ b/lib/labs/sliver_known_extent_list.dart
@@ -53,7 +53,7 @@ class RenderSliverKnownExtentBoxAdaptor extends RenderSliverMultiBoxAdaptor {
   }
 
   int getMinChildIndexForScrollOffset(double scrollOffset) {
-    return sectionAtOffset(scrollOffset).getMinChildIndexForScrollOffset(scrollOffset);
+    return sectionAtOffset(scrollOffset)?.getMinChildIndexForScrollOffset(scrollOffset) ?? 0;
   }
 
   int getMaxChildIndexForScrollOffset(double scrollOffset) {