1 /*
2  * Copyright (C) 2021 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.android.server.appsearch.util;
18 
19 import android.annotation.NonNull;
20 import android.content.Context;
21 import android.content.pm.PackageManager;
22 import android.os.Process;
23 
24 
25 /**
26  * Utilities for interacting with {@link android.content.pm.PackageManager}, {@link
27  * android.os.UserHandle}, and other parts of dealing with apps and binder.
28  *
29  * @hide
30  */
31 public class PackageUtil {
32 
33     public static final int INVALID_UID = Process.INVALID_UID;
34 
PackageUtil()35     private PackageUtil() {}
36 
37     /**
38      * Finds the UID of the {@code packageName} in the given {@code context}. Returns {@link
39      * Process#INVALID_UID} if unable to find the UID.
40      */
getPackageUid(@onNull Context context, @NonNull String packageName)41     public static int getPackageUid(@NonNull Context context, @NonNull String packageName) {
42         try {
43             return context.getPackageManager().getPackageUid(packageName, /* flags= */ 0);
44         } catch (PackageManager.NameNotFoundException e) {
45             return INVALID_UID;
46         }
47     }
48 }
49