1 /* 2 * Copyright (C) 2007 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 com.example.android.apis.app; 18 19 import com.example.android.apis.app.IRemoteServiceCallback; 20 21 /** 22 * Example of defining an interface for calling on to a remote service 23 * (running in another process). 24 */ 25 interface IRemoteService { 26 /** 27 * Often you want to allow a service to call back to its clients. 28 * This shows how to do so, by registering a callback interface with 29 * the service. 30 */ registerCallback(IRemoteServiceCallback cb)31 void registerCallback(IRemoteServiceCallback cb); 32 33 /** 34 * Remove a previously registered callback interface. 35 */ unregisterCallback(IRemoteServiceCallback cb)36 void unregisterCallback(IRemoteServiceCallback cb); 37 } 38