From 6525af140c34cf0620bbb1d957fc68caef24260e Mon Sep 17 00:00:00 2001
From: Eli Perkins <eli@clubhouse.io>
Date: Fri, 3 Nov 2017 17:43:03 -0400
Subject: [PATCH 1/2] Add support for setting larget title text attributes

---
 ios/RCCViewController.m | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/ios/RCCViewController.m b/ios/RCCViewController.m
index 145be550f6e..745b99f5c17 100755
--- a/ios/RCCViewController.m
+++ b/ios/RCCViewController.m
@@ -378,9 +378,20 @@ -(void)setStyleOnAppearForViewController:(UIViewController*)viewController appea
     viewController.navigationController.navigationBar.barTintColor = nil;
   }
   
-  NSMutableDictionary *titleTextAttributes = [RCTHelpers textAttributesFromDictionary:self.navigatorStyle withPrefix:@"navBarText" baseFont:[UIFont boldSystemFontOfSize:17]];
+  NSMutableDictionary *titleTextAttributes = [RCTHelpers textAttributesFromDictionary:self.navigatorStyle
+                                                                           withPrefix:@"navBarText"
+                                                                             baseFont:[UIFont boldSystemFontOfSize:17]];
   [self.navigationController.navigationBar setTitleTextAttributes:titleTextAttributes];
-  
+
+  if ([self.navigationController.navigationBar respondsToSelector:@selector(setLargeTitleTextAttributes:)]) {
+    // As defined in Apple's UI Design Resources: https://developer.apple.com/design/resources/
+    UIFont *largeBaseFont = [UIFont boldSystemFontOfSize:34];
+    NSMutableDictionary *largeTitleTextAttributes = [RCTHelpers textAttributesFromDictionary:self.navigatorStyle
+                                                                                  withPrefix:@"navBarLargeText"
+                                                                                    baseFont:largeBaseFont];
+    [self.navigationController.navigationBar setLargeTitleTextAttributes:largeTitleTextAttributes];
+  }
+
   if (self.navigationItem.titleView && [self.navigationItem.titleView isKindOfClass:[RCCTitleView class]]) {
     
     RCCTitleView *titleView = (RCCTitleView *)self.navigationItem.titleView;

From b313392a287deaab9cf698e84d53948caaf6c3c2 Mon Sep 17 00:00:00 2001
From: Eli Perkins <eli@clubhouse.io>
Date: Fri, 3 Nov 2017 17:47:37 -0400
Subject: [PATCH 2/2] Add documentation for setting large text attributes

See https://developer.apple.com/documentation/uikit/uinavigationbar/2919946-largetitletextattributes
---
 docs/styling-the-navigator.md | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/docs/styling-the-navigator.md b/docs/styling-the-navigator.md
index b4fa56645f4..9e6c769af4e 100644
--- a/docs/styling-the-navigator.md
+++ b/docs/styling-the-navigator.md
@@ -94,7 +94,11 @@ this.props.navigator.setStyle({
   navBarRightButtonFontSize: 17, // Change font size of right nav bar button
   navBarRightButtonColor: 'blue', // Change color of right nav bar button
   navBarRightButtonFontWeight: '600', // Change font weight of right nav bar button
-  
+
+  navBarLargeTextColor: '#000000', // change the text color of large titles
+  navBarLargeTextFontSize: 34, // change the font size of large titles
+  navBarLargeTextFontFamily: 'font-name', // Changes the large title font
+
   // Android only
   navigationBarColor: '#000000', // change the background color of the bottom native navigation bar.
   navBarTitleTextCentered: true, // default: false. centers the title.