1 /*
2  * Copyright (C) 2020 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.android.server;
18 
19 import android.annotation.NonNull;
20 
21 /**
22  * Tracks the forced-app-standby state for apps.
23  */
24 public interface AppStateTracker {
25     String TAG = "AppStateTracker";
26 
27     /**
28      * Register a {@link ServiceStateListener} to listen for forced-app-standby changes that should
29      * affect services.
30      */
addServiceStateListener(@onNull ServiceStateListener listener)31     void addServiceStateListener(@NonNull ServiceStateListener listener);
32 
33     /**
34      * A listener to listen to forced-app-standby changes that should affect services.
35      */
36     interface ServiceStateListener {
37         /**
38          * Called when an app goes into forced app standby and its foreground
39          * services need to be removed from that state.
40          */
stopForegroundServicesForUidPackage(int uid, String packageName)41         void stopForegroundServicesForUidPackage(int uid, String packageName);
42     }
43 }
44