From bd004225b64c6e4a0bca45103ca0c1ebdbd80ad3 Mon Sep 17 00:00:00 2001
From: Minh Loi <jimmyloi92@yahoo.com>
Date: Thu, 22 Nov 2018 02:34:47 -0600
Subject: [PATCH] [Fix typescript] Add title alignment to OptionsTopBarTitle
 (#4341)

Add title alignment to options
---
 docs/docs/styling.md          | 3 ++-
 lib/src/interfaces/Options.ts | 5 +++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/docs/docs/styling.md b/docs/docs/styling.md
index 78329a60789..10bb0d542c7 100644
--- a/docs/docs/styling.md
+++ b/docs/docs/styling.md
@@ -235,7 +235,8 @@ Navigation.mergeOptions(this.props.componentId, {
     elevation: 1.5, // TopBar elevation in dp
     topMargin: 24, // top margin in dp
     title: {
-      height: 70 // TitleBar height in dp
+      height: 70, // TitleBar height in dp
+      alignment: 'center', // Center title
     }
   },
   bottomTabs: {
diff --git a/lib/src/interfaces/Options.ts b/lib/src/interfaces/Options.ts
index 5e65bbc7bee..2bbfad8f81f 100644
--- a/lib/src/interfaces/Options.ts
+++ b/lib/src/interfaces/Options.ts
@@ -141,6 +141,11 @@ export interface OptionsTopBarTitle {
    * #### (Android specific)
    */
   height?: number;
+  /**
+   * Title alignment
+   * #### (Android specific)
+   */
+  alignment?: 'center' | 'fill';
 }
 
 export interface OptionsTopBarSubtitle {