From fedcd296f59f40ff1570aaf8561a4fb3bf3b7dba Mon Sep 17 00:00:00 2001
From: Tiger Huang <tigerhuang@google.com>
Date: Thu, 26 Mar 2020 01:54:46 +0800
Subject: Fix a potential NullPointerException in InsetsPolicy

Fix: 151308746
Test: Presubmit
Change-Id: Ia98f809c08d741a01a75979c03eb6ddfbc86fd89
---
 services/core/java/com/android/server/wm/InsetsPolicy.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/services/core/java/com/android/server/wm/InsetsPolicy.java b/services/core/java/com/android/server/wm/InsetsPolicy.java
index ac6e75c717ff..fda70d14db2b 100644
--- a/services/core/java/com/android/server/wm/InsetsPolicy.java
+++ b/services/core/java/com/android/server/wm/InsetsPolicy.java
@@ -97,7 +97,8 @@ class InsetsPolicy {
 
     private void updateHideNavInputEventReceiver() {
         mPolicy.updateHideNavInputEventReceiver(!isHidden(ITYPE_NAVIGATION_BAR),
-                mFocusedWin.mAttrs.insetsFlags.behavior != BEHAVIOR_SHOW_BARS_BY_TOUCH);
+                mFocusedWin != null
+                        && mFocusedWin.mAttrs.insetsFlags.behavior != BEHAVIOR_SHOW_BARS_BY_TOUCH);
     }
 
     boolean isHidden(@InternalInsetsType int type) {
-- 
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