/* * Copyright (C) 2007 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * *      http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */package com.example.android.apis.app;import com.example.android.apis.app.IRemoteServiceCallback;/** * Example of defining an interface for calling on to a remote service * (running in another process). */interface IRemoteService {    /**     * Often you want to allow a service to call back to its clients.     * This shows how to do so, by registering a callback interface with     * the service.     */    void registerCallback(IRemoteServiceCallback cb);        /**     * Remove a previously registered callback interface.     */    void unregisterCallback(IRemoteServiceCallback cb);}