1 /*
2  * Copyright (C) 2018 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 package android.content.pm;
17 
18 import static android.content.pm.SharedLibraryNames.ANDROID_HIDL_BASE;
19 import static android.content.pm.SharedLibraryNames.ANDROID_HIDL_MANAGER;
20 
21 import android.content.pm.PackageParser.Package;
22 import android.os.Build;
23 
24 import com.android.internal.annotations.VisibleForTesting;
25 
26 /**
27  * Updates a package to ensure that if it targets <= P that the android.hidl.base-V1.0-java
28  * and android.hidl.manager-V1.0-java libraries are included by default.
29  *
30  * @hide
31  */
32 @VisibleForTesting
33 public class AndroidHidlUpdater extends PackageSharedLibraryUpdater {
34 
35     @Override
updatePackage(Package pkg)36     public void updatePackage(Package pkg) {
37         ApplicationInfo info = pkg.applicationInfo;
38 
39         // This was the default <= P and is maintained for backwards compatibility.
40         boolean isLegacy = info.targetSdkVersion <= Build.VERSION_CODES.P;
41         // Only system apps use these libraries
42         boolean isSystem = info.isSystemApp() || info.isUpdatedSystemApp();
43 
44         if (isLegacy && isSystem) {
45             prefixRequiredLibrary(pkg, ANDROID_HIDL_BASE);
46             prefixRequiredLibrary(pkg, ANDROID_HIDL_MANAGER);
47         } else {
48             removeLibrary(pkg, ANDROID_HIDL_BASE);
49             removeLibrary(pkg, ANDROID_HIDL_MANAGER);
50         }
51     }
52 }
53