From 0988afc44edfac697e1451261349c8fc39b37e99 Mon Sep 17 00:00:00 2001
From: wilsonshih <wilsonshih@google.com>
Date: Mon, 24 Oct 2022 22:36:23 +0800
Subject: [PATCH] Fixs NPE when start back-to-home animation.

Animation target should get from parameter.

Bug: 238475284
Test: build/flash, monitor launcher won't crash while start
back-to-home animation

Change-Id: I7bd254a436ddcf250d90827b9d81d628bcd4313c
---
 .../android/quickstep/LauncherBackAnimationController.java    | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/quickstep/src/com/android/quickstep/LauncherBackAnimationController.java b/quickstep/src/com/android/quickstep/LauncherBackAnimationController.java
index 3b3a8e8893..ea685e2573 100644
--- a/quickstep/src/com/android/quickstep/LauncherBackAnimationController.java
+++ b/quickstep/src/com/android/quickstep/LauncherBackAnimationController.java
@@ -220,12 +220,12 @@ public class LauncherBackAnimationController {
             return;
         }
 
-        mTransaction.show(mBackTarget.leash).apply();
+        mTransaction.show(appTarget.leash).apply();
         mTransaction.setAnimationTransaction();
         mInitialTouchPos.set(backEvent.getTouchX(), backEvent.getTouchY());
 
         // TODO(b/218916755): Offset start rectangle in multiwindow mode.
-        mStartRect.set(mBackTarget.windowConfiguration.getMaxBounds());
+        mStartRect.set(appTarget.windowConfiguration.getMaxBounds());
         mCurrentRect.set(mStartRect);
     }