From df669531d8138a5e545e8c4fd1807de502ddd966 Mon Sep 17 00:00:00 2001
From: Ahmed Elsayed <ahmedelsaayid@gmail.com>
Date: Sat, 9 Mar 2024 23:26:20 +0200
Subject: [PATCH] Avoid null assertion on barrierColor

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

diff --git a/packages/dropdown_button2/lib/src/dropdown_route.dart b/packages/dropdown_button2/lib/src/dropdown_route.dart
index f8d1d9a..8499427 100644
--- a/packages/dropdown_button2/lib/src/dropdown_route.dart
+++ b/packages/dropdown_button2/lib/src/dropdown_route.dart
@@ -462,7 +462,7 @@ class _CustomModalBarrierState extends State<_CustomModalBarrier> {
     super.initState();
     color = widget.animation!.drive(
       ColorTween(
-        begin: widget.barrierColor!.withOpacity(0.0),
+        begin: widget.barrierColor?.withOpacity(0.0),
         end: widget.barrierColor,
       ).chain(CurveTween(curve: widget.barrierCurve)),
     );