From 7812b82b188b7d8e5af10dc5b9a0f6efaaae97d7 Mon Sep 17 00:00:00 2001
From: Dan Scanlon <dscanlonpa@gmail.com>
Date: Thu, 2 Feb 2017 04:50:52 -0800
Subject: [PATCH] Add `style` and `imageStyle` props to
 Navigation.Header.BackButton

Summary:
This PR adds`style` and `imageStyle` props to `Navigation.Header.BackButton` which allows for usage like:

```javascript
<NavigationExperimental.Header.BackButton
  imageStyle={{ tintColor: 'white' }}
  onPress={props.onNavigateBack}
/>
```
Closes https://github.com/facebook/react-native/pull/11554

Differential Revision: D4494460

Pulled By: mkonicek

fbshipit-source-id: 387a69d0b76bb8e7ef47caf1f6141f97fad0ea4b
---
 .../NavigationExperimental/NavigationHeaderBackButton.js    | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Libraries/CustomComponents/NavigationExperimental/NavigationHeaderBackButton.js b/Libraries/CustomComponents/NavigationExperimental/NavigationHeaderBackButton.js
index e4d772a5bb..f3e901f3fd 100644
--- a/Libraries/CustomComponents/NavigationExperimental/NavigationHeaderBackButton.js
+++ b/Libraries/CustomComponents/NavigationExperimental/NavigationHeaderBackButton.js
@@ -35,12 +35,14 @@ const {
 } = ReactNative;
 
 type Props = {
+  imageStyle?: any,
   onPress: Function,
+  style?: any,
 };
 
 const NavigationHeaderBackButton = (props: Props) => (
-  <TouchableOpacity style={styles.buttonContainer} onPress={props.onPress}>
-    <Image style={styles.button} source={require('./assets/back-icon.png')} />
+  <TouchableOpacity style={[styles.buttonContainer, props.style]} onPress={props.onPress}>
+    <Image style={[styles.button, props.imageStyle]} source={require('./assets/back-icon.png')} />
   </TouchableOpacity>
 );