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 android.app.role;
18 
19 import android.annotation.SystemApi;
20 import android.app.SystemServiceRegistry;
21 import android.content.Context;
22 import android.os.Build;
23 
24 import androidx.annotation.RequiresApi;
25 
26 /**
27  * Class holding initialization code for role in the permission module.
28  *
29  * @hide
30  */
31 @RequiresApi(Build.VERSION_CODES.S)
32 @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
33 public class RoleFrameworkInitializer {
RoleFrameworkInitializer()34     private RoleFrameworkInitializer() {}
35 
36     /**
37      * Called by {@link SystemServiceRegistry}'s static initializer and registers
38      * {@link RoleManager} to {@link Context}, so that {@link Context#getSystemService} can return
39      * it.
40      *
41      * <p>If this is called from other places, it throws a {@link IllegalStateException).
42      */
registerServiceWrappers()43     public static void registerServiceWrappers() {
44         SystemServiceRegistry.registerContextAwareService(Context.ROLE_SERVICE, RoleManager.class,
45                 (context, serviceBinder) -> new RoleManager(context,
46                         IRoleManager.Stub.asInterface(serviceBinder)));
47     }
48 }
49