1 /* 2 * Copyright (C) 2011 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.backup.BackupAgentHelper; 20 import android.app.backup.SharedPreferencesBackupHelper; 21 import android.content.Context; 22 import android.content.SharedPreferences; 23 import android.nfc.NfcAdapter; 24 25 public class NfcBackupAgent extends BackupAgentHelper { 26 // Backup identifier 27 static final String SHARED_PREFS_BACKUP_KEY = "shared_prefs"; 28 29 @Override onCreate()30 public void onCreate() { 31 SharedPreferencesBackupHelper helper = 32 new SharedPreferencesBackupHelper( 33 this, NfcService.PREF, NfcService.PREF_TAG_APP_LIST); 34 addHelper(SHARED_PREFS_BACKUP_KEY, helper); 35 } 36 37 @Override onRestoreFinished()38 public void onRestoreFinished() { 39 NfcAdapter nfcAdapter = NfcAdapter.getDefaultAdapter(this); 40 NfcService.sIsNfcRestore = true; 41 DeviceConfigFacade deviceConfigFacade = NfcInjector.getInstance().getDeviceConfigFacade(); 42 43 if (nfcAdapter != null) { 44 SharedPreferences prefs = getSharedPreferences(NfcService.PREF, 45 Context.MODE_MULTI_PROCESS); 46 if (prefs.getBoolean(NfcService.PREF_NFC_ON, 47 deviceConfigFacade.getNfcDefaultState())) { 48 nfcAdapter.enable(); 49 } else { 50 nfcAdapter.disable(); 51 } 52 53 if (prefs.getBoolean(NfcService.PREF_NFC_READER_OPTION_ON, 54 deviceConfigFacade.getDefaultReaderOption())) { 55 nfcAdapter.enableReaderOption(true); 56 } else { 57 nfcAdapter.enableReaderOption(false); 58 } 59 60 if (prefs.getBoolean(NfcService.PREF_SECURE_NFC_ON, deviceConfigFacade.getDefaultSecureNfcState()) 61 && nfcAdapter.isSecureNfcSupported()) { 62 nfcAdapter.enableSecureNfc(true); 63 } else { 64 nfcAdapter.enableSecureNfc(false); 65 } 66 } 67 } 68 } 69 70