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.car.builtin.os; 18 19 import android.annotation.NonNull; 20 import android.annotation.Nullable; 21 import android.annotation.RequiresApi; 22 import android.annotation.SystemApi; 23 import android.car.builtin.annotation.AddedIn; 24 import android.car.builtin.annotation.PlatformVersion; 25 import android.os.Build; 26 import android.os.IBinder; 27 import android.os.ServiceManager; 28 29 /** 30 * Helper class for {@code ServiceManager} API 31 * 32 * @hide 33 */ 34 @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES) 35 public final class ServiceManagerHelper { 36 ServiceManagerHelper()37 private ServiceManagerHelper() { 38 throw new UnsupportedOperationException(); 39 } 40 41 /** Check {@link ServiceManager#getService(String)} */ 42 @Nullable 43 @AddedIn(PlatformVersion.TIRAMISU_0) getService(@onNull String name)44 public static IBinder getService(@NonNull String name) { 45 return ServiceManager.getService(name); 46 } 47 48 /** Check {@link ServiceManager#checkService(String)} */ 49 @Nullable 50 @AddedIn(PlatformVersion.TIRAMISU_0) checkService(@onNull String name)51 public static IBinder checkService(@NonNull String name) { 52 return ServiceManager.checkService(name); 53 } 54 55 /** Check {@link ServiceManager#waitForDeclaredService(String)} */ 56 @Nullable 57 @AddedIn(PlatformVersion.TIRAMISU_0) waitForDeclaredService(@onNull String name)58 public static IBinder waitForDeclaredService(@NonNull String name) { 59 return ServiceManager.waitForDeclaredService(name); 60 } 61 62 /** Check {@link ServiceManager#addService(String, IBinder)} */ 63 @AddedIn(PlatformVersion.TIRAMISU_0) addService(@onNull String name, @NonNull IBinder service)64 public static void addService(@NonNull String name, @NonNull IBinder service) { 65 ServiceManager.addService(name, service); 66 } 67 68 /** Check {@link ServiceManager#getDeclaredInstances(String)} */ 69 @Nullable 70 @RequiresApi(Build.VERSION_CODES.UPSIDE_DOWN_CAKE) 71 @AddedIn(PlatformVersion.UPSIDE_DOWN_CAKE_0) getDeclaredInstances(@onNull String iface)72 public static String[] getDeclaredInstances(@NonNull String iface) { 73 return ServiceManager.getDeclaredInstances(iface); 74 } 75 } 76