1 /*
2  * Copyright (C) 2017 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 android.media.app.media_session_test_helper;
18 
19 import android.app.Notification;
20 import android.app.NotificationChannel;
21 import android.app.NotificationManager;
22 import android.app.Service;
23 import android.content.Intent;
24 import android.media.MediaSession2;
25 import android.media.session.MediaSession;
26 import android.os.IBinder;
27 import android.text.TextUtils;
28 import android.util.Log;
29 
30 import android.media.cts.MediaSessionTestHelperConstants;
31 
32 /**
33  * Service of the media session's host-side CTS helper.
34  * <p>This is the foreground service to prevent this process from being killed by the OOM killer
35  * while the host-side tests are running.
36  */
37 public class MediaSessionTestHelperService extends Service {
38     private static final String TAG = "MediaSessionTestHelperService";
39 
40     private static final int NOTIFICATION_ID = 100;
41     private static final String NOTIFICATION_CHANNEL = TAG;
42 
43     private MediaSession mMediaSession;
44     private MediaSession2 mMediaSession2;
45 
46     @Override
onCreate()47     public void onCreate() {
48         super.onCreate();
49 
50         // Build notification UI to make this a foreground service.
51         NotificationManager manager =
52                 (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
53         NotificationChannel notificationChannel = new NotificationChannel(NOTIFICATION_CHANNEL,
54                 getString(R.string.label), NotificationManager.IMPORTANCE_DEFAULT);
55         manager.createNotificationChannel(notificationChannel);
56 
57         Notification notification = new Notification.Builder(this, NOTIFICATION_CHANNEL)
58                 .setSmallIcon(android.R.drawable.sym_def_app_icon)
59                 .setContentTitle(getString(R.string.label)).build();
60         startForeground(NOTIFICATION_ID, notification);
61     }
62 
63     @Override
onStartCommand(Intent intent, int flags, int startId)64     public int onStartCommand(Intent intent, int flags, int startId) {
65         super.onStartCommand(intent, flags, startId);
66         if (!TextUtils.equals(intent.getAction(), MediaSessionTestHelperConstants.ACTION_CONTROL)) {
67             Log.e(TAG, "Invalid action " + intent.getAction() + ". Test may fail");
68             return START_STICKY;
69         }
70         int flag = intent.getIntExtra(MediaSessionTestHelperConstants.EXTRA_CONTROL_COMMAND, 0);
71         if ((flag & MediaSessionTestHelperConstants.FLAG_CREATE_MEDIA_SESSION) != 0) {
72             if (mMediaSession == null) {
73                 mMediaSession = new MediaSession(this, TAG);
74             }
75         }
76         if (mMediaSession != null) {
77             if ((flag & MediaSessionTestHelperConstants.FLAG_SET_MEDIA_SESSION_ACTIVE) != 0) {
78                 mMediaSession.setActive(true);
79             }
80             if ((flag & MediaSessionTestHelperConstants.FLAG_SET_MEDIA_SESSION_INACTIVE) != 0) {
81                 mMediaSession.setActive(false);
82             }
83         }
84         if ((flag & MediaSessionTestHelperConstants.FLAG_CREATE_MEDIA_SESSION2) != 0) {
85             if (mMediaSession2 == null) {
86                 mMediaSession2 = new MediaSession2.Builder(this).setId(TAG).build();
87             }
88         }
89         if ((flag & MediaSessionTestHelperConstants.FLAG_RELEASE_ALL_MEDIA_SESSION) != 0) {
90             releaseAllMediaSession();
91         }
92         return START_STICKY;
93     }
94 
95     @Override
onBind(Intent intent)96     public IBinder onBind(Intent intent) {
97         // It's not a bind service.
98         return null;
99     }
100 
101     @Override
onDestroy()102     public void onDestroy() {
103         super.onDestroy();
104         releaseAllMediaSession();
105     }
106 
releaseAllMediaSession()107     private void releaseAllMediaSession() {
108         if (mMediaSession != null) {
109             mMediaSession.release();
110             mMediaSession = null;
111         }
112     }
113 }
114