From a702c8ffbb3a1956b6ace496c1e693e8c29e3417 Mon Sep 17 00:00:00 2001
From: Danmei Chen <danmei.chen@belledonne-communications.com>
Date: Mon, 20 Apr 2020 11:33:38 +0200
Subject: [PATCH] fix crash of rotation in background

---
 Classes/ChatConversationView.m | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Classes/ChatConversationView.m b/Classes/ChatConversationView.m
index 34c8db8cb..34b16dcd6 100644
--- a/Classes/ChatConversationView.m
+++ b/Classes/ChatConversationView.m
@@ -226,6 +226,9 @@ static UICompositeViewDescription *compositeDescription = nil;
 
 - (void)didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation {
 	[super didRotateFromInterfaceOrientation:fromInterfaceOrientation];
+	if ([[UIApplication sharedApplication] applicationState] == UIApplicationStateBackground) {
+		return;
+	}
 	composingVisible = !composingVisible;
 	[self setComposingVisible:!composingVisible withDelay:0];