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.SharedPreferences; 22 import android.nfc.NfcAdapter; 23 import android.content.Context; 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(this, NfcService.PREF); 33 addHelper(SHARED_PREFS_BACKUP_KEY, helper); 34 } 35 36 @Override onRestoreFinished()37 public void onRestoreFinished() { 38 NfcAdapter nfcAdapter = NfcAdapter.getDefaultAdapter(this); 39 40 if (nfcAdapter != null) { 41 SharedPreferences prefs = getSharedPreferences(NfcService.PREF, 42 Context.MODE_MULTI_PROCESS); 43 if (prefs.getBoolean(NfcService.PREF_NDEF_PUSH_ON, 44 NfcService.NDEF_PUSH_ON_DEFAULT)) { 45 nfcAdapter.enableNdefPush(); 46 } else { 47 nfcAdapter.disableNdefPush(); 48 } 49 50 if (prefs.getBoolean(NfcService.PREF_NFC_ON, 51 NfcService.NFC_ON_DEFAULT)) { 52 nfcAdapter.enable(); 53 } else { 54 nfcAdapter.disable(); 55 } 56 } 57 } 58 } 59 60