add correct window dimensions for iOS

React/Modules/RCTDeviceInfo.m

@@ -77,16 +77,23 @@ static BOOL RCTIsIPhoneX() {
   RCTAssertMainQueue();
 
   RCTDimensions dimensions = RCTGetDimensions(bridge.accessibilityManager.multiplier);
-  typeof (dimensions.window) window = dimensions.window; // Window and Screen are considered equal for iOS.
-  NSDictionary<NSString *, NSNumber *> *dims = @{
+  typeof (dimensions.window) window = dimensions.window;
+  NSDictionary<NSString *, NSNumber *> *dimsWindow = @{
       @"width": @(window.width),
       @"height": @(window.height),
       @"scale": @(window.scale),
       @"fontScale": @(window.fontScale)
   };
+  typeof (dimensions.screen) screen = dimensions.screen;
+  NSDictionary<NSString *, NSNumber *> *dimsScreen = @{
+      @"width": @(screen.width),
+      @"height": @(screen.height),
+      @"scale": @(screen.scale),
+      @"fontScale": @(screen.fontScale)
+  };
   return @{
-      @"window": dims,
-      @"screen": dims
+      @"window": dimsWindow,
+      @"screen": dimsScreen
   };
 }
 

React/UIUtils/RCTUIUtils.m

@@ -7,19 +7,32 @@
 
 #import "RCTUIUtils.h"
 
+#import "RCTUtils.h"
+
 RCTDimensions RCTGetDimensions(CGFloat fontScale)
 {
   UIScreen *mainScreen = UIScreen.mainScreen;
   CGSize screenSize = mainScreen.bounds.size;
+
+  UIView *mainWindow;
+  mainWindow = RCTKeyWindow();
+  CGSize windowSize = mainWindow.bounds.size;
+
   RCTDimensions result;
-  typeof (result.window) dims = {
+  typeof (result.screen) dimsScreen = {
     .width = screenSize.width,
     .height = screenSize.height,
     .scale = mainScreen.scale,
     .fontScale = fontScale
   };
-  result.window = dims;
-  result.screen = dims;
+  typeof (result.window) dimsWindow = {
+    .width = windowSize.width,
+    .height = windowSize.height,
+    .scale = mainScreen.scale,
+    .fontScale = fontScale
+  };
+  result.screen = dimsScreen;
+  result.window = dimsWindow;
 
   return result;
 }