From 2a343684650d54d5b4901b8399172957868cba1d Mon Sep 17 00:00:00 2001
From: Vasil Chimev <vasil.chimev@gmail.com>
Date: Wed, 6 Nov 2019 12:07:34 +0000
Subject: [PATCH] feat(application): add system appearance changed event to
 typings (#8034)

---
 nativescript-core/application/application.d.ts |  5 +++++
 nativescript-core/ui/enums/enums.d.ts          | 18 +++++++++++++++++-
 2 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/nativescript-core/application/application.d.ts b/nativescript-core/application/application.d.ts
index 0a1bd4e54..ddab72616 100644
--- a/nativescript-core/application/application.d.ts
+++ b/nativescript-core/application/application.d.ts
@@ -52,6 +52,11 @@ export const lowMemoryEvent: string;
  */
 export const orientationChangedEvent: string;
 
+/**
+ * String value used when hooking to systemAppearanceChanged event.
+ */
+export const systemAppearanceChangedEvent: string;
+
 /**
  * Event data containing information for the application events.
  */
diff --git a/nativescript-core/ui/enums/enums.d.ts b/nativescript-core/ui/enums/enums.d.ts
index c9006da08..7181606b3 100644
--- a/nativescript-core/ui/enums/enums.d.ts
+++ b/nativescript-core/ui/enums/enums.d.ts
@@ -641,7 +641,7 @@ export module AnimationCurve {
 }
 
 /**
- * @deprecated use `UserInterfaceStyle` instead.
+ * @deprecated use `SystemAppearance` instead.
  *
  * Specifies the types of the status bar style.
  */
@@ -657,8 +657,24 @@ export module StatusBarStyle {
     export const dark: string;
 }
 
+/**
+ * Specifies the types of the system appearance.
+ */
+export module SystemAppearance {
+    /**
+     * The light system appearance.
+     */
+    export const light: string;
+
+    /**
+     * The dark system appearance.
+     */
+    export const dark: string;
+}
 
 /**
+ * @deprecated use `SystemAppearance` instead.
+ *
  * Specifies the types of the user interface style.
  */
 export module UserInterfaceStyle {