diff --git a/node_modules/react-native/React/CoreModules/RCTTiming.mm b/node_modules/react-native/React/CoreModules/RCTTiming.mm
index 70f0543..d003662 100644
--- a/node_modules/react-native/React/CoreModules/RCTTiming.mm
+++ b/node_modules/react-native/React/CoreModules/RCTTiming.mm
@@ -127,7 +127,15 @@ - (void)setup
 {
   _paused = YES;
   _timers = [NSMutableDictionary new];
-  _inBackground = NO;
+    
+  __block BOOL initialInBackground;
+  dispatch_sync(dispatch_get_main_queue(), ^{
+      initialInBackground
+        = [UIApplication sharedApplication].applicationState == UIApplicationStateBackground
+          || [UIDevice currentDevice].proximityState;
+  });
+
+  _inBackground = initialInBackground;
 
   for (NSString *name in @[
          UIApplicationWillResignActiveNotification,
@@ -146,6 +154,11 @@ - (void)setup
                                                  name:name
                                                object:nil];
   }
+
+  [[NSNotificationCenter defaultCenter] addObserver:self
+                                           selector:@selector(proximityChanged)
+                                               name:UIDeviceProximityStateDidChangeNotification
+                                             object:nil];
 }
 
 - (void)dealloc
@@ -182,6 +195,16 @@ - (void)appDidMoveToForeground
   [self startTimers];
 }
 
+- (void)proximityChanged
+{
+  BOOL isClose = [UIDevice currentDevice].proximityState;
+  if (isClose) {
+    [self appDidMoveToBackground];
+  } else {
+    [self appDidMoveToForeground];
+  }
+}
+
 - (void)stopTimers
 {
   if (_inBackground) {