1 /* 2 * Copyright (C) 2022 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.net.connectivity; 18 19 import android.content.Context; 20 import android.net.ConnectivityManager; 21 import android.net.RoutingCoordinatorManager; 22 import android.os.Build; 23 import android.os.IBinder; 24 25 import androidx.annotation.RequiresApi; 26 27 /** 28 * Utility providing limited access to module-internal APIs which are only available on Android T+, 29 * as this class is only in the bootclasspath on T+ as part of framework-connectivity. 30 * 31 * R+ module components like Tethering cannot depend on all hidden symbols from 32 * framework-connectivity. They only have access to stable API stubs where newer APIs can be 33 * accessed after an API level check (enforced by the linter), or to limited hidden symbols in this 34 * class which is also annotated with @RequiresApi (so API level checks are also enforced by the 35 * linter). 36 * @hide 37 */ 38 @RequiresApi(Build.VERSION_CODES.S) 39 public class ConnectivityInternalApiUtil { 40 41 /** 42 * Get a service binder token for 43 * {@link com.android.server.connectivity.wear.CompanionDeviceManagerProxyService}. 44 */ 45 @RequiresApi(Build.VERSION_CODES.TIRAMISU) getCompanionDeviceManagerProxyService(Context ctx)46 public static IBinder getCompanionDeviceManagerProxyService(Context ctx) { 47 final ConnectivityManager cm = ctx.getSystemService(ConnectivityManager.class); 48 return cm.getCompanionDeviceManagerProxyService(); 49 } 50 51 /** 52 * Obtain a routing coordinator manager from a context, possibly cross-module. 53 * @param ctx the context 54 * @return an instance of the coordinator manager 55 */ 56 @RequiresApi(Build.VERSION_CODES.S) getRoutingCoordinatorManager(Context ctx)57 public static RoutingCoordinatorManager getRoutingCoordinatorManager(Context ctx) { 58 final ConnectivityManager cm = ctx.getSystemService(ConnectivityManager.class); 59 return cm.getRoutingCoordinatorManager(); 60 } 61 } 62