1 /*
2  * Copyright (C) 2016 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.externalservice.service;
18 
19 import android.app.Service;
20 import android.content.Context;
21 import android.content.Intent;
22 import android.os.IBinder;
23 import android.os.Handler;
24 import android.os.Message;
25 import android.os.Messenger;
26 import android.os.Process;
27 import android.os.RemoteException;
28 import android.util.Log;
29 
30 import android.externalservice.common.RunningServiceInfo;
31 import android.externalservice.common.ServiceMessages;
32 
33 public class BaseService extends Service {
34     private static final String TAG = "ExternalServiceTest.Service";
35 
36     private final Handler mHandler = new BaseHandler(this);
37     private final Messenger mMessenger = new Messenger(mHandler);
38 
39     @Override
onBind(Intent intent)40     public IBinder onBind(Intent intent) {
41         Log.d(TAG, "onBind " + intent);
42         return mMessenger.getBinder();
43     }
44 
45     static class BaseHandler extends Handler {
46         private Context mContext;
47 
BaseHandler(Context context)48         public BaseHandler(Context context) {
49             mContext = context;
50         }
51 
52         @Override
handleMessage(Message msg)53         public void handleMessage(Message msg) {
54             Log.d(TAG, "Received message: " + msg);
55             switch (msg.what) {
56                 case ServiceMessages.MSG_IDENTIFY:
57                     Message reply = Message.obtain(null, ServiceMessages.MSG_IDENTIFY_RESPONSE);
58                     RunningServiceInfo serviceInfo = new RunningServiceInfo();
59                     serviceInfo.uid = Process.myUid();
60                     serviceInfo.pid = Process.myPid();
61                     serviceInfo.packageName = mContext.getPackageName();
62                     serviceInfo.zygotePid = ZygotePreload.getZygotePid();
63                     serviceInfo.zygotePackage = ZygotePreload.getZygotePackage();
64                     reply.getData().putParcelable(ServiceMessages.IDENTIFY_INFO,
65                             serviceInfo);
66                     try {
67                         msg.replyTo.send(reply);
68                     } catch (RemoteException e) {
69                         Log.e(TAG, "Error sending MSG_IDENTIFY_RESPONSE", e);
70                     }
71                     break;
72             }
73             super.handleMessage(msg);
74         }
75     }
76 }
77