1 /* 2 * Copyright (C) 2006 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.os; 18 19 /** 20 * Basic interface for finding and publishing system services. 21 * 22 * An implementation of this interface is usually published as the 23 * global context object, which can be retrieved via 24 * BinderNative.getContextObject(). An easy way to retrieve this 25 * is with the static method BnServiceManager.getDefault(). 26 * 27 * @hide 28 */ 29 public interface IServiceManager extends IInterface 30 { 31 /** 32 * Retrieve an existing service called @a name from the 33 * service manager. Blocks for a few seconds waiting for it to be 34 * published if it does not already exist. 35 */ getService(String name)36 public IBinder getService(String name) throws RemoteException; 37 38 /** 39 * Retrieve an existing service called @a name from the 40 * service manager. Non-blocking. 41 */ checkService(String name)42 public IBinder checkService(String name) throws RemoteException; 43 44 /** 45 * Place a new @a service called @a name into the service 46 * manager. 47 */ addService(String name, IBinder service)48 public void addService(String name, IBinder service) throws RemoteException; 49 50 /** 51 * Return a list of all currently running services. 52 */ listServices()53 public String[] listServices() throws RemoteException; 54 55 /** 56 * Assign a permission controller to the service manager. After set, this 57 * interface is checked before any services are added. 58 */ setPermissionController(IPermissionController controller)59 public void setPermissionController(IPermissionController controller) 60 throws RemoteException; 61 62 static final String descriptor = "android.os.IServiceManager"; 63 64 int GET_SERVICE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION; 65 int CHECK_SERVICE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+1; 66 int ADD_SERVICE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+2; 67 int LIST_SERVICES_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+3; 68 int CHECK_SERVICES_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+4; 69 int SET_PERMISSION_CONTROLLER_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+5; 70 } 71