From cb7de47aed42067163e68c7f15c754ade1072db4 Mon Sep 17 00:00:00 2001
From: edde746 <86283021+edde746@users.noreply.github.com>
Date: Tue, 3 Mar 2026 20:45:38 +0100
Subject: [PATCH] fix: guard ScrollController.position access in
 HorizontalScrollWithArrows

Prevents "Too many elements" StateError on Android TV when the controller
temporarily has multiple positions during widget rebuilds.
---
 lib/widgets/horizontal_scroll_with_arrows.dart | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/lib/widgets/horizontal_scroll_with_arrows.dart b/lib/widgets/horizontal_scroll_with_arrows.dart
index af79368c..9da1365f 100644
--- a/lib/widgets/horizontal_scroll_with_arrows.dart
+++ b/lib/widgets/horizontal_scroll_with_arrows.dart
@@ -52,7 +52,15 @@ class _HorizontalScrollWithArrowsState extends State<HorizontalScrollWithArrows>
   }
 
   void _updateScrollState() {
-    if (!mounted) return;
+    if (!mounted || _scrollController.positions.length != 1) {
+      if (mounted && (_canScrollLeft || _canScrollRight)) {
+        setState(() {
+          _canScrollLeft = false;
+          _canScrollRight = false;
+        });
+      }
+      return;
+    }
 
     final position = _scrollController.position;
     setState(() {
@@ -62,6 +70,7 @@ class _HorizontalScrollWithArrowsState extends State<HorizontalScrollWithArrows>
   }
 
   void _animateScroll(double direction) {
+    if (_scrollController.positions.length != 1) return;
     final position = _scrollController.position;
     final delta = direction * position.viewportDimension * widget.scrollAmount;
     final targetScroll = (position.pixels + delta).clamp(0.0, position.maxScrollExtent);