From b51a350c1ea679c9edb8d102eca299a2cb04db14 Mon Sep 17 00:00:00 2001
From: Sharon Zheng <szn@meta.com>
Date: Tue, 18 Oct 2022 14:38:11 -0700
Subject: [PATCH] check for null background in TextInput setUnderlineColor

Summary:
checking for background == null to fix this error:

```java.lang.NullPointerException: Attempt to invoke virtual method 'android.graphics.drawable.Drawable$ConstantState android.graphics.drawable.Drawable.getConstantState()' on a null object reference
	at com.facebook.react.views.textinput.ReactTextInputManager.setUnderlineColor(:4)
```

Changelog:
[Internal][Fixed] - check for null background in Android TextInput setUnderlineColor

Reviewed By: beatthat

Differential Revision: D40451369

fbshipit-source-id: 8618d5ff73f517f714c26a0b17af078493822244
---
 .../react/views/textinput/ReactTextInputManager.java         | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/ReactAndroid/src/main/java/com/facebook/react/views/textinput/ReactTextInputManager.java b/ReactAndroid/src/main/java/com/facebook/react/views/textinput/ReactTextInputManager.java
index 1b5371626fa..85fb317a2a9 100644
--- a/ReactAndroid/src/main/java/com/facebook/react/views/textinput/ReactTextInputManager.java
+++ b/ReactAndroid/src/main/java/com/facebook/react/views/textinput/ReactTextInputManager.java
@@ -633,6 +633,11 @@ public class ReactTextInputManager extends BaseViewManager<ReactEditText, Layout
     // See https://code.google.com/p/android/issues/detail?id=191754 for more info
     Drawable background = view.getBackground();
     Drawable drawableToMutate = background;
+
+    if (background == null) {
+      return;
+    }
+
     if (background.getConstantState() != null) {
       try {
         drawableToMutate = background.mutate();