From b529247422ed34801c56d1c52fa5497736357e89 Mon Sep 17 00:00:00 2001
From: Efra Espada <efraespada@gmail.com>
Date: Mon, 4 Apr 2022 15:46:22 +0200
Subject: [PATCH] feature: fixed unmounted exception

Prevents:

======== Exception caught by scheduler library =====================================================

This widget has been unmounted, so the State no longer has a context (and should be considered defunct).
---
 lib/flutter_xlider.dart | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/flutter_xlider.dart b/lib/flutter_xlider.dart
index 29244f7..c010a3f 100644
--- a/lib/flutter_xlider.dart
+++ b/lib/flutter_xlider.dart
@@ -440,6 +440,8 @@ class _FlutterSliderState extends State<FlutterSlider>
                 curve: Curves.fastOutSlowIn));
 
     WidgetsBinding.instance!.addPostFrameCallback((_) {
+      if (!mounted) return;
+
       _renderBoxInitialization();
 
       _arrangeHandlersPosition();