From 260002270fcdeaa5e3e11e3da73c9b8ea822c71b Mon Sep 17 00:00:00 2001
From: Pierre HUBERT <pierre.git@communiquons.org>
Date: Sun, 10 May 2020 18:32:14 +0200
Subject: [PATCH] Fix issue

---
 lib/utils/ui_utils.dart | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/utils/ui_utils.dart b/lib/utils/ui_utils.dart
index 3e855cd..d559f28 100644
--- a/lib/utils/ui_utils.dart
+++ b/lib/utils/ui_utils.dart
@@ -150,8 +150,8 @@ Future<bool> showConfirmDialog({
   if (title == null) title = tr("Confirm operation");
 
   // Avoid potential theme issues
-  var ctx = Scaffold.of(context).context;
-  ctx = ctx != null ? ctx : context;
+  final scaffold = Scaffold.of(context, nullOk: true);
+  final ctx = scaffold != null ? scaffold.context : context;
 
   final result = await showDialog<bool>(
       context: ctx,