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1 /*
2  * Copyright (C) 2012 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.nfc;
18 
19 import android.app.ActivityManager;
20 import android.app.ActivityManager.RunningAppProcessInfo;
21 import android.app.Application;
22 import android.os.Process;
23 import android.os.UserHandle;
24 import android.view.ThreadedRenderer;
25 
26 import java.util.Iterator;
27 import java.util.List;
28 
29 public class NfcApplication extends Application {
30 
31     static final String TAG = "NfcApplication";
32     static final String NFC_PROCESS = "com.android.nfc";
33 
34     NfcService mNfcService;
35 
NfcApplication()36     public NfcApplication() {
37 
38     }
39 
40     @Override
onCreate()41     public void onCreate() {
42         super.onCreate();
43 
44         boolean isMainProcess = false;
45         // We start a service in a separate process to do
46         // handover transfer. We don't want to instantiate an NfcService
47         // object in those cases, hence check the name of the process
48         // to determine whether we're the main NFC service, or the
49         // handover process
50         ActivityManager am = (ActivityManager)this.getSystemService(ACTIVITY_SERVICE);
51         List processes = am.getRunningAppProcesses();
52         Iterator i = processes.iterator();
53         while (i.hasNext()) {
54             RunningAppProcessInfo appInfo = (RunningAppProcessInfo)(i.next());
55             if (appInfo.pid == Process.myPid()) {
56                 isMainProcess =  (NFC_PROCESS.equals(appInfo.processName));
57                 break;
58             }
59         }
60         if (UserHandle.myUserId() == 0 && isMainProcess) {
61             mNfcService = new NfcService(this);
62             ThreadedRenderer.enableForegroundTrimming();
63         }
64     }
65 }
66