From 3bb1c1c125f89b80d53615923db8a103202832c3 Mon Sep 17 00:00:00 2001
From: Sebastian Franco <fransebas@google.com>
Date: Thu, 20 Apr 2023 14:20:36 -0700
Subject: [PATCH] Prevent null pointer exception by return from
 setBackToLauncherCallback when mBackToLauncherCallback is null

This change is needed because of ag/22360314

Fix: 277964328
Test: Compiles
Change-Id: Ib03bbf9d60b2a2b0a8207d3ba2a4c1019cc1b8f7
---
 quickstep/src/com/android/quickstep/SystemUiProxy.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/quickstep/src/com/android/quickstep/SystemUiProxy.java b/quickstep/src/com/android/quickstep/SystemUiProxy.java
index 512d47e6c7..fdb30cedf3 100644
--- a/quickstep/src/com/android/quickstep/SystemUiProxy.java
+++ b/quickstep/src/com/android/quickstep/SystemUiProxy.java
@@ -967,7 +967,7 @@ public class SystemUiProxy implements ISystemUiProxy {
             IRemoteAnimationRunner runner) {
         mBackToLauncherCallback = callback;
         mBackToLauncherRunner = runner;
-        if (mBackAnimation == null) {
+        if (mBackAnimation == null || mBackToLauncherCallback == null) {
             return;
         }
         try {