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 import android.content.pm.PackageManager; 26 27 import java.util.Iterator; 28 import java.util.List; 29 30 public class NfcApplication extends Application { 31 32 static final String TAG = "NfcApplication"; 33 static final String NFC_PROCESS = "com.android.nfc"; 34 35 NfcService mNfcService; 36 NfcApplication()37 public NfcApplication() { 38 39 } 40 41 @Override onCreate()42 public void onCreate() { 43 super.onCreate(); 44 PackageManager pm = getApplicationContext().getPackageManager(); 45 if (!pm.hasSystemFeature(PackageManager.FEATURE_NFC_ANY)) { 46 pm.setApplicationEnabledSetting(getApplicationContext().getPackageName(), 47 PackageManager.COMPONENT_ENABLED_STATE_DISABLED, 0); 48 return; 49 } 50 51 boolean isMainProcess = false; 52 // We start a service in a separate process to do 53 // handover transfer. We don't want to instantiate an NfcService 54 // object in those cases, hence check the name of the process 55 // to determine whether we're the main NFC service, or the 56 // handover process 57 ActivityManager am = (ActivityManager)this.getSystemService(ACTIVITY_SERVICE); 58 List processes = am.getRunningAppProcesses(); 59 Iterator i = processes.iterator(); 60 while (i.hasNext()) { 61 RunningAppProcessInfo appInfo = (RunningAppProcessInfo)(i.next()); 62 if (appInfo.pid == Process.myPid()) { 63 isMainProcess = (NFC_PROCESS.equals(appInfo.processName)); 64 break; 65 } 66 } 67 if (UserHandle.myUserId() == 0 && isMainProcess) { 68 mNfcService = new NfcService(this); 69 ThreadedRenderer.enableForegroundTrimming(); 70 } 71 } 72 } 73