From f34134c20ede1aeb79ca1fb2245aa442a36aafde Mon Sep 17 00:00:00 2001
From: zhongwuzw <zhongwuzw@qq.com>
Date: Fri, 14 Feb 2025 22:02:41 +0800
Subject: [PATCH] [iOS] Fabric: Fix over reporting trait changes

---
 .../Base/Surface/SurfaceHostingView/RCTSurfaceHostingView.mm | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/packages/react-native/React/Base/Surface/SurfaceHostingView/RCTSurfaceHostingView.mm b/packages/react-native/React/Base/Surface/SurfaceHostingView/RCTSurfaceHostingView.mm
index cb4ebeba3f97f4..511e398a8bb78f 100644
--- a/packages/react-native/React/Base/Surface/SurfaceHostingView/RCTSurfaceHostingView.mm
+++ b/packages/react-native/React/Base/Surface/SurfaceHostingView/RCTSurfaceHostingView.mm
@@ -200,6 +200,11 @@ - (void)setActivityIndicatorViewFactory:(RCTSurfaceHostingViewActivityIndicatorV
 - (void)traitCollectionDidChange:(UITraitCollection *)previousTraitCollection
 {
   [super traitCollectionDidChange:previousTraitCollection];
+
+  if (RCTSharedApplication().applicationState == UIApplicationStateBackground) {
+    return;
+  }
+
   [[NSNotificationCenter defaultCenter]
       postNotificationName:RCTUserInterfaceStyleDidChangeNotification
                     object:self