From 19776df905d0150216002d162d4b63721ea8f6c5 Mon Sep 17 00:00:00 2001
From: Fabian Kozynski <kozynski@google.com>
Date: Tue, 8 Jun 2021 10:05:29 -0400
Subject: [PATCH] Add null check on NPVC

QS may be null at some points (when the fragment is being recreated).
Use a null check to prevent NPE.

Test: no test
Fixes: 189701093
Change-Id: I393b63aedc2fd58c079523a05778411c178caa22
---
 .../statusbar/phone/NotificationPanelViewController.java      | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelViewController.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelViewController.java
index f545710ac5425..67c8d58e40596 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelViewController.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelViewController.java
@@ -2519,7 +2519,9 @@ public class NotificationPanelViewController extends PanelViewController {
                 break;
             case FLING_HIDE:
             default:
-                mQs.closeDetail();
+                if (mQs != null) {
+                    mQs.closeDetail();
+                }
                 target = 0;
         }
         if (target == mQsExpansionHeight) {