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