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