From a4ea737ae1773e7fd49969ae20b962bdd7481b37 Mon Sep 17 00:00:00 2001
From: zhongwuzw <zhongwuzw@qq.com>
Date: Mon, 11 Sep 2023 05:17:15 -0700
Subject: [PATCH] =?UTF-8?q?=E3=80=90iOS=E3=80=91Fix=20timer=20background?=
 =?UTF-8?q?=20state=20when=20App=20is=20launched=20from=20background=20(#3?=
 =?UTF-8?q?9347)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Summary:
Fixes https://github.com/facebook/react-native/issues/38711

## Changelog:

[IOS] [FIXED] - Fix timer background state when App is launched from background

Pull Request resolved: https://github.com/facebook/react-native/pull/39347

Test Plan: Please see https://github.com/facebook/react-native/issues/38711

Reviewed By: cipolleschi

Differential Revision: D49101979

Pulled By: dmytrorykun

fbshipit-source-id: e25b182539f39e4465fa40e51288d88c68967b31
---
 packages/react-native/React/CoreModules/RCTTiming.mm | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/packages/react-native/React/CoreModules/RCTTiming.mm b/packages/react-native/React/CoreModules/RCTTiming.mm
index 6065006b8eb281..5158741724194b 100644
--- a/packages/react-native/React/CoreModules/RCTTiming.mm
+++ b/packages/react-native/React/CoreModules/RCTTiming.mm
@@ -128,6 +128,11 @@ - (void)setup
   _paused = YES;
   _timers = [NSMutableDictionary new];
   _inBackground = NO;
+  RCTExecuteOnMainQueue(^{
+    if (!self->_inBackground && [RCTSharedApplication() applicationState] == UIApplicationStateBackground) {
+      [self appDidMoveToBackground];
+    }
+  });
 
   for (NSString *name in @[
          UIApplicationWillResignActiveNotification,