1 /*
2  * Copyright 2023 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 package com.android.microdroid.testservice;
17 
18 import com.android.microdroid.testservice.IVmCallback;
19 
20 /**
21  * An interface exposed by the app for callbacks from the VM.
22  *
23  * {@hide}
24  */
25 interface IAppCallback {
26     /** Invites the app to call vmCallback#echoMessage() */
setVmCallback(IVmCallback vmCallback)27     void setVmCallback(IVmCallback vmCallback);
28 
29     /** Asynchronusly called by the VM in response to a call to echoMessage(). */
onEchoRequestReceived(String message)30     void onEchoRequestReceived(String message);
31 }
32