From c119760bf45b53cd722a1ced8a98b2a95edea6f0 Mon Sep 17 00:00:00 2001
From: Thibault Deckers <thibault.deckers@gmail.com>
Date: Wed, 25 May 2022 09:30:34 +0900
Subject: [PATCH] nav bar: prevent single frame flash during hero

---
 lib/widgets/common/identity/aves_app_bar.dart | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/lib/widgets/common/identity/aves_app_bar.dart b/lib/widgets/common/identity/aves_app_bar.dart
index 0af883226..8dcadd5f0 100644
--- a/lib/widgets/common/identity/aves_app_bar.dart
+++ b/lib/widgets/common/identity/aves_app_bar.dart
@@ -184,10 +184,20 @@ class _AvesFloatingBarState extends State<AvesFloatingBar> with RouteAware {
   }
 
   @override
-  void didPopNext() => _isBlurAllowedNotifier.value = true;
+  void didPopNext() {
+    // post to prevent single frame flash during hero
+    WidgetsBinding.instance.addPostFrameCallback((_) {
+      _isBlurAllowedNotifier.value = true;
+    });
+  }
 
   @override
-  void didPushNext() => _isBlurAllowedNotifier.value = false;
+  void didPushNext() {
+    // post to prevent single frame flash during hero
+    WidgetsBinding.instance.addPostFrameCallback((_) {
+      _isBlurAllowedNotifier.value = false;
+    });
+  }
 
   @override
   Widget build(BuildContext context) {