prevent from publishing dimensions change event when app changes state

React/Base/RCTUtils.h

@@ -186,4 +186,6 @@ RCT_EXTERN BOOL RCTValidateTypeOfViewCommandArgument(
  NSString const *commandName,
  NSString const *argPos);
 
+RCT_EXTERN BOOL RCTIsAppActive(void);
+
 NS_ASSUME_NONNULL_END

React/Base/RCTUtils.m

@@ -1067,3 +1067,8 @@ RCT_EXTERN BOOL RCTValidateTypeOfViewCommandArgument(
 
  return true;
 }
+
+BOOL RCTIsAppActive(void)
+{
+ return [RCTSharedApplication() applicationState] == UIApplicationStateActive;
+}

React/CoreModules/RCTDeviceInfo.mm

@@ -174,12 +174,15 @@ - (void)interfaceOrientationDidChange
 
 - (void)_interfaceOrientationDidChange
 {
- UIInterfaceOrientation nextOrientation = [RCTSharedApplication() statusBarOrientation];
- UIApplicationState appState = [RCTSharedApplication() applicationState];
- BOOL isRunningInFullScreen = CGRectEqualToRect([UIApplication sharedApplication].delegate.window.frame, [UIApplication sharedApplication].delegate.window.screen.bounds);
-
+ UIApplication *application = RCTSharedApplication();
+ if(!application) {
+ return;
+ }
+ UIInterfaceOrientation nextOrientation = [application statusBarOrientation];
 
- BOOL isActive = appState == UIApplicationStateActive;
+ BOOL isRunningInFullScreen = CGRectEqualToRect(application.delegate.window.frame, application.delegate.window.screen.bounds);
+
+ BOOL isActive = RCTIsAppActive();
  // We are catching here two situations for multitasking view:
  // a) The app is in Split View and the container gets resized -> !isRunningInFullScreen
  // b) The app changes to/from fullscreen example: App runs in slide over mode and goes into fullscreen-> isRunningInFullScreen != _isFullscreen
@@ -192,15 +195,15 @@ - (void)_interfaceOrientationDidChange
  // Update when we go from portrait to landscape, or landscape to portrait
  // Also update when the fullscreen state changes (multitasking) and only when the app is in active state.
  if ((isOrientationChanging || isResizingOrChangingToFullscreen) && isActive) {
- #pragma clang diagnostic push
- #pragma clang diagnostic ignored "-Wdeprecated-declarations"
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wdeprecated-declarations"
  [[_moduleRegistry moduleForName:"EventDispatcher"] sendDeviceEventWithName:@"didUpdateDimensions"
  body:RCTExportedDimensions(_moduleRegistry, _bridge)];
- // We only want to track the current _currentInterfaceOrientation and _isFullscreen only 
+ // We only want to track the current _currentInterfaceOrientation and _isFullscreen only
  // when it happens and only when it is published.
  _currentInterfaceOrientation = nextOrientation;
  _isFullscreen = isRunningInFullScreen;
- #pragma clang diagnostic pop
+#pragma clang diagnostic pop
  }
 
 
@@ -216,20 +219,23 @@ - (void)interfaceFrameDidChange
 
 - (void)_interfaceFrameDidChange
 {
+ UIApplication *application = RCTSharedApplication();
+ if(!application){
+ return;
+ }
  NSDictionary *nextInterfaceDimensions = RCTExportedDimensions(_moduleRegistry, _bridge);
- UIApplicationState appState = [RCTSharedApplication() applicationState];
 
- BOOL isActive = appState == UIApplicationStateActive;
+ BOOL isActive = RCTIsAppActive();
  // update and publish the even only when the app is in active state
  if (!([nextInterfaceDimensions isEqual:_currentInterfaceDimensions]) && isActive) {
- #pragma clang diagnostic push
- #pragma clang diagnostic ignored "-Wdeprecated-declarations"
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wdeprecated-declarations"
  [[_moduleRegistry moduleForName:"EventDispatcher"] sendDeviceEventWithName:@"didUpdateDimensions"
  body:nextInterfaceDimensions];
- // We only want to track the current _currentInterfaceOrientation only 
+ // We only want to track the current _currentInterfaceOrientation only
  // when it happens and only when it is published.
  _currentInterfaceDimensions = nextInterfaceDimensions;
- #pragma clang diagnostic pop
+#pragma clang diagnostic pop
  }
 }