From 271318db03445094966121957a123e2d85a1f7e3 Mon Sep 17 00:00:00 2001
From: wilsonshih <wilsonshih@google.com>
Date: Tue, 2 Feb 2021 14:02:49 +0800
Subject: [PATCH] Fix NPE on RemoteAnimationTargetCompat

Fix a common NPE error.

Test: build/flash, check remote animation works fine.
Bug: 175686676
Change-Id: I3d7fed5756225d99ab2976640aaeee07aa6eac14
---
 .../systemui/shared/system/RemoteAnimationTargetCompat.java | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/packages/SystemUI/shared/src/com/android/systemui/shared/system/RemoteAnimationTargetCompat.java b/packages/SystemUI/shared/src/com/android/systemui/shared/system/RemoteAnimationTargetCompat.java
index 2a0715ed764cd..87f6b8202ded0 100644
--- a/packages/SystemUI/shared/src/com/android/systemui/shared/system/RemoteAnimationTargetCompat.java
+++ b/packages/SystemUI/shared/src/com/android/systemui/shared/system/RemoteAnimationTargetCompat.java
@@ -118,9 +118,9 @@ public class RemoteAnimationTargetCompat {
     }
 
     public static RemoteAnimationTargetCompat[] wrap(RemoteAnimationTarget[] apps) {
-        final RemoteAnimationTargetCompat[] appsCompat =
-                new RemoteAnimationTargetCompat[apps != null ? apps.length : 0];
-        for (int i = 0; i < apps.length; i++) {
+        final int length = apps != null ? apps.length : 0;
+        final RemoteAnimationTargetCompat[] appsCompat = new RemoteAnimationTargetCompat[length];
+        for (int i = 0; i < length; i++) {
             appsCompat[i] = new RemoteAnimationTargetCompat(apps[i]);
         }
         return appsCompat;