From dff3e4ae3b1be540a77186701b7f84d2e6dd0dfd Mon Sep 17 00:00:00 2001
From: Ahmed Elsayed <ahmedelsaayid@gmail.com>
Date: Sat, 28 Oct 2023 19:08:38 +0200
Subject: [PATCH] Ensure disposing ValueNotifiers

---
 packages/dropdown_button2/lib/src/dropdown_button2.dart | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/packages/dropdown_button2/lib/src/dropdown_button2.dart b/packages/dropdown_button2/lib/src/dropdown_button2.dart
index e1bc82f..8462b7e 100644
--- a/packages/dropdown_button2/lib/src/dropdown_button2.dart
+++ b/packages/dropdown_button2/lib/src/dropdown_button2.dart
@@ -420,6 +420,8 @@ class DropdownButton2State<T> extends State<DropdownButton2<T>>
     WidgetsBinding.instance.removeObserver(this);
     _removeDropdownRoute();
     _internalNode?.dispose();
+    _isMenuOpen.dispose();
+    _rect.dispose();
     super.dispose();
   }