From 70b8bd92c9d69b6964c42ce62b02f93b9ad5884a Mon Sep 17 00:00:00 2001
From: Tsung-Mao Fang <tmfang@google.com>
Date: Fri, 4 Nov 2022 15:33:55 +0800
Subject: [PATCH] Fix NPE crash in TextToSpeechSettings

Recyclerview's getItemAnimator() is nullable so we need a null check.

Bug: 254330134
Test: Manual
Change-Id: Iba5b0d68740c430fd1143d38ccf344afef486784
Merged-In: fa6a8e9767dbf253d1803928185c0e0e19d76d5a
---
 src/com/android/settings/tts/TextToSpeechSettings.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/com/android/settings/tts/TextToSpeechSettings.java b/src/com/android/settings/tts/TextToSpeechSettings.java
index 30e99677301..6db5710c364 100644
--- a/src/com/android/settings/tts/TextToSpeechSettings.java
+++ b/src/com/android/settings/tts/TextToSpeechSettings.java
@@ -228,7 +228,9 @@ public class TextToSpeechSettings extends SettingsPreferenceFragment
         // them to resize, which results in the recyclerview smoothly animating them at inopportune
         // times. Disable the animation so widgets snap to their positions rather than sliding
         // around while the user is interacting with it.
-        getListView().getItemAnimator().setMoveDuration(0);
+        if (getListView().getItemAnimator() != null) {
+            getListView().getItemAnimator().setMoveDuration(0);
+        }
 
         if (mTts == null || mCurrentDefaultLocale == null) {
             return;