Home | History | Annotate | Download | only in nfc
      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
     30     public void onCreate() {
     31         SharedPreferencesBackupHelper helper =
     32                 new SharedPreferencesBackupHelper(this, NfcService.PREF);
     33         addHelper(SHARED_PREFS_BACKUP_KEY, helper);
     34     }
     35 
     36     @Override
     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