From c0e8e2e1d3f3ddcb8aa17c86a53b292a2d52781b Mon Sep 17 00:00:00 2001
From: Toma Velev <tomavelev@gmail.com>
Date: Thu, 5 Jun 2025 16:00:47 +0300
Subject: [PATCH] fix animation error after dispose

---
 packages/syncfusion_flutter_sliders/lib/src/slider.dart | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/packages/syncfusion_flutter_sliders/lib/src/slider.dart b/packages/syncfusion_flutter_sliders/lib/src/slider.dart
index 17a5dcd4..9ea8917a 100644
--- a/packages/syncfusion_flutter_sliders/lib/src/slider.dart
+++ b/packages/syncfusion_flutter_sliders/lib/src/slider.dart
@@ -2035,7 +2035,9 @@ class _RenderSlider extends RenderBaseSlider implements MouseTrackerAnnotation {
             _state.tooltipAnimationController.status ==
                 AnimationStatus.completed &&
             !shouldAlwaysShowTooltip) {
-          _state.tooltipAnimationController.reverse();
+              if (_state.mounted) {
+              _state.tooltipAnimationController.reverse();
+              }
         }
       });
     }