diff --git a/node_modules/react-native/React/CoreModules/RCTTiming.mm b/node_modules/react-native/React/CoreModules/RCTTiming.mm
index e4f7e15..6f05fb3 100644
--- a/node_modules/react-native/React/CoreModules/RCTTiming.mm
+++ b/node_modules/react-native/React/CoreModules/RCTTiming.mm
@@ -127,13 +127,16 @@ RCT_EXPORT_MODULE()
 {
   _paused = YES;
   _timers = [NSMutableDictionary new];
-  _inBackground = NO;
-  RCTExecuteOnMainQueue(^{
-    if (!self->_inBackground && [RCTSharedApplication() applicationState] == UIApplicationStateBackground) {
-      [self appDidMoveToBackground];
-    }
+
+  __block BOOL initialInBackground;
+  dispatch_sync(dispatch_get_main_queue(), ^{
+      initialInBackground
+        = [UIApplication sharedApplication].applicationState == UIApplicationStateBackground
+          || [UIDevice currentDevice].proximityState;
   });
 
+  _inBackground = initialInBackground;
+
   for (NSString *name in @[
          UIApplicationWillResignActiveNotification,
          UIApplicationDidEnterBackgroundNotification,
@@ -151,6 +154,11 @@ RCT_EXPORT_MODULE()
                                                  name:name
                                                object:nil];
   }
+
+  [[NSNotificationCenter defaultCenter] addObserver:self
+                                           selector:@selector(proximityChanged)
+                                               name:UIDeviceProximityStateDidChangeNotification
+                                             object:nil];
 }
 
 - (void)dealloc
@@ -187,6 +195,16 @@ RCT_EXPORT_MODULE()
   [self startTimers];
 }
 
+- (void)proximityChanged
+{
+  BOOL isClose = [UIDevice currentDevice].proximityState;
+  if (isClose) {
+    [self appDidMoveToBackground];
+  } else {
+    [self appDidMoveToForeground];
+  }
+}
+
 - (void)stopTimers
 {
   if (_inBackground) {