From 2001fbafec1efecd1d459a8a6baeccbba0dc73bc Mon Sep 17 00:00:00 2001
From: Hui Yu <huiyu@google.com>
Date: Thu, 9 Apr 2020 16:48:53 -0700
Subject: [PATCH] getDefaultHomeActivity() could return null ComponentName.

Bug: 153400018
Test: Manual test
Change-Id: I29d5a8f00563bdf88ab1f7a00d39d6a39a0ed44d
---
 .../com/android/server/appwidget/AppWidgetServiceImpl.java     | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/services/appwidget/java/com/android/server/appwidget/AppWidgetServiceImpl.java b/services/appwidget/java/com/android/server/appwidget/AppWidgetServiceImpl.java
index 8c1360cca940d..ca1b27bd261ec 100644
--- a/services/appwidget/java/com/android/server/appwidget/AppWidgetServiceImpl.java
+++ b/services/appwidget/java/com/android/server/appwidget/AppWidgetServiceImpl.java
@@ -3669,6 +3669,9 @@ class AppWidgetServiceImpl extends IAppWidgetService.Stub implements WidgetBacku
             // Default launcher from package manager.
             final ComponentName defaultLauncher = mPackageManagerInternal
                     .getDefaultHomeActivity(UserHandle.getUserId(callingUid));
+            if (defaultLauncher == null) {
+                return;
+            }
             int defaultLauncherUid  = 0;
             try {
                 defaultLauncherUid = mPackageManager.getApplicationInfo(