From 4d05a50135ab30dd1abea54c990fbc488e284408 Mon Sep 17 00:00:00 2001
From: HUI <luxuhui@agora.io>
Date: Mon, 17 May 2021 18:06:36 +0800
Subject: [PATCH] fix: build error

---
 example/lib/examples/advanced/live_streaming.dart | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/example/lib/examples/advanced/live_streaming.dart b/example/lib/examples/advanced/live_streaming.dart
index e03d2524d..cba6a5b62 100644
--- a/example/lib/examples/advanced/live_streaming.dart
+++ b/example/lib/examples/advanced/live_streaming.dart
@@ -26,7 +26,7 @@ class _State extends State<LiveStreaming> {
   @override
   void initState() {
     super.initState();
-    SchedulerBinding?.instance?.addPostFrameCallback((timeStamp) {
+    SchedulerBinding.instance?.addPostFrameCallback((timeStamp) {
       _showMyDialog();
     });
   }