1 /*
2  * Copyright 2019 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 android.media.cts;
17 
18 import static android.media.cts.ForegroundServiceUtil.EXTRA_MESSENGER;
19 import static android.media.cts.ForegroundServiceUtil.MSG_SERVICE_DESTROYED;
20 import static android.media.cts.ForegroundServiceUtil.MSG_START_FOREGROUND_DONE;
21 
22 import android.app.Notification;
23 import android.app.NotificationChannel;
24 import android.app.NotificationManager;
25 import android.app.Service;
26 import android.content.Intent;
27 import android.graphics.Bitmap;
28 import android.graphics.Canvas;
29 import android.graphics.Color;
30 import android.graphics.drawable.Icon;
31 import android.os.IBinder;
32 import android.os.Message;
33 import android.os.Messenger;
34 import android.os.RemoteException;
35 
36 public class LocalMediaProjectionService extends Service {
37     private static final String TAG = "LocalMediaProjectionService";
38 
39     private Bitmap mTestBitmap;
40 
41     private static final String NOTIFICATION_CHANNEL_ID = "AudioPlaybackCaptureTest";
42     private static final String CHANNEL_NAME = "ProjectionService";
43     private static final int NOTIFICATION_ID = 1;
44 
45     Messenger mMessenger;
46 
47     @Override
onStartCommand(Intent intent, int flags, int startId)48     public int onStartCommand(Intent intent, int flags, int startId) {
49         mMessenger = intent.getParcelableExtra(EXTRA_MESSENGER);
50         startForeground();
51         return super.onStartCommand(intent, flags, startId);
52     }
53 
54     @Override
onBind(Intent intent)55     public IBinder onBind(Intent intent) {
56         return null;
57     }
58 
59     @Override
onDestroy()60     public void onDestroy() {
61         if (mTestBitmap != null) {
62             mTestBitmap.recycle();
63             mTestBitmap = null;
64         }
65         sendMessage(MSG_SERVICE_DESTROYED);
66         super.onDestroy();
67     }
68 
createNotificationIcon()69     private Icon createNotificationIcon() {
70         mTestBitmap = Bitmap.createBitmap(50, 50, Bitmap.Config.ARGB_8888);
71         final Canvas canvas = new Canvas(mTestBitmap);
72         canvas.drawColor(Color.BLUE);
73         return Icon.createWithBitmap(mTestBitmap);
74     }
75 
startForeground()76     private void startForeground() {
77         final NotificationChannel channel = new NotificationChannel(getNotificationChannelId(),
78                 getNotificationChannelName(), NotificationManager.IMPORTANCE_NONE);
79         channel.setLockscreenVisibility(Notification.VISIBILITY_PRIVATE);
80 
81         final NotificationManager notificationManager =
82                 getSystemService(NotificationManager.class);
83         notificationManager.createNotificationChannel(channel);
84 
85         final Notification.Builder notificationBuilder =
86                 new Notification.Builder(this, getNotificationChannelId());
87 
88         final Notification notification = notificationBuilder.setOngoing(true)
89                 .setContentTitle("App is running")
90                 .setSmallIcon(createNotificationIcon())
91                 .setCategory(Notification.CATEGORY_SERVICE)
92                 .setContentText("Context")
93                 .build();
94 
95         startForeground(getNotificationId(), notification);
96 
97         sendMessage(MSG_START_FOREGROUND_DONE);
98     }
99 
sendMessage(int what)100     void sendMessage(int what) {
101         final Message msg = Message.obtain();
102         msg.what = what;
103         try {
104             mMessenger.send(msg);
105         } catch (RemoteException e) {
106         }
107     }
108 
getNotificationId()109     int getNotificationId() {
110         return NOTIFICATION_ID;
111     }
112 
getNotificationChannelId()113     String getNotificationChannelId() {
114         return NOTIFICATION_CHANNEL_ID;
115     }
116 
getNotificationChannelName()117     String getNotificationChannelName() {
118         return CHANNEL_NAME;
119     }
120 }
121