add null check when accessing target component from iteminfo

Bug: 139540363
Change-Id: I25d0100077de67b085c27b5ef91e22c6ac1ad959

src/com/android/launcher3/ItemInfo.java

@@ -22,6 +22,8 @@ import android.content.Intent;
 import android.os.Process;
 import android.os.UserHandle;
 
+import androidx.annotation.Nullable;
+
 import com.android.launcher3.util.ContentWriter;
 
 /**
@@ -134,6 +136,7 @@ public class ItemInfo {
         return null;
     }
 
+    @Nullable
     public ComponentName getTargetComponent() {
         Intent intent = getIntent();
         if (intent != null) {

src/com/android/launcher3/popup/SystemShortcut.java

@@ -135,6 +135,7 @@ public abstract class SystemShortcut<T extends BaseDraggingActivity>
         @Override
         public View.OnClickListener getOnClickListener(final Launcher launcher,
                 final ItemInfo itemInfo) {
+            if (itemInfo.getTargetComponent() == null) return null;
             final List<WidgetItem> widgets =
                     launcher.getPopupDataProvider().getWidgetsForPackageUser(new PackageUserKey(
                             itemInfo.getTargetComponent().getPackageName(), itemInfo.user));

src/com/android/launcher3/util/PackageUserKey.java

@@ -3,8 +3,9 @@ package com.android.launcher3.util;
 import android.os.UserHandle;
 import android.service.notification.StatusBarNotification;
 
+import androidx.annotation.Nullable;
+
 import com.android.launcher3.ItemInfo;
-import com.android.launcher3.shortcuts.DeepShortcutManager;
 
 import java.util.Arrays;
 
@@ -15,7 +16,9 @@ public class PackageUserKey {
     public UserHandle mUser;
     private int mHashCode;
 
+    @Nullable
     public static PackageUserKey fromItemInfo(ItemInfo info) {
+        if (info.getTargetComponent() == null) return null;
         return new PackageUserKey(info.getTargetComponent().getPackageName(), info.user);
     }
 
@@ -38,6 +41,7 @@ public class PackageUserKey {
      * @return Whether this PackageUserKey was successfully updated - it shouldn't be used if not.
      */
     public boolean updateFromItemInfo(ItemInfo info) {
+        if (info.getTargetComponent() == null) return false;
         if (ShortcutUtil.supportsShortcuts(info)) {
             update(info.getTargetComponent().getPackageName(), info.user);
             return true;

src_shortcuts_overrides/com/android/launcher3/shortcuts/DeepShortcutManager.java

@@ -27,6 +27,8 @@ import android.os.Bundle;
 import android.os.UserHandle;
 import android.util.Log;
 
+import androidx.annotation.Nullable;
+
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
@@ -70,8 +72,9 @@ public class DeepShortcutManager {
      * Gets all the manifest and dynamic shortcuts associated with the given package and user,
      * to be displayed in the shortcuts container on long press.
      */
-    public QueryResult queryForShortcutsContainer(ComponentName activity,
+    public QueryResult queryForShortcutsContainer(@Nullable ComponentName activity,
             UserHandle user) {
+        if (activity == null) return QueryResult.FAILURE;
         return query(ShortcutQuery.FLAG_MATCH_MANIFEST | ShortcutQuery.FLAG_MATCH_DYNAMIC,
                 activity.getPackageName(), activity, null, user);
     }