1 /* 2 * Copyright (C) 2015 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.cellbroadcastreceiver; 18 19 import android.app.backup.BackupAgentHelper; 20 import android.app.backup.SharedPreferencesBackupHelper; 21 import android.content.Intent; 22 import android.os.UserHandle; 23 import android.preference.PreferenceManager; 24 import android.util.Log; 25 26 import com.android.internal.annotations.VisibleForTesting; 27 28 /** 29 * The CellBroadcast backup agent backs up the shared 30 * preferences settings of the CellBroadcastReceiver App. Right 31 * now it backs up the whole shared preference file. This can be 32 * modified in the future to accommodate partial backup. 33 */ 34 public class CellBroadcastBackupAgent extends BackupAgentHelper { 35 @VisibleForTesting 36 public static final String SHARED_KEY = "shared_pref"; 37 private static final String TAG = "CBBackupAgent"; 38 39 @Override onCreate()40 public void onCreate() { 41 Log.d(TAG, "onCreate"); 42 addHelper(SHARED_KEY, new SharedPreferencesBackupHelper(this, 43 PreferenceManager.getDefaultSharedPreferencesName(this))); 44 } 45 46 @Override onRestoreFinished()47 public void onRestoreFinished() { 48 Log.d(TAG, "Restore finished."); 49 Intent intent = new Intent(getApplicationContext(), CellBroadcastInternalReceiver.class); 50 intent.setAction(CellBroadcastReceiver.CELLBROADCAST_START_CONFIG_ACTION); 51 52 // Cell broadcast was configured during boot up before the shared preference is restored, 53 // we need to re-configure it. 54 sendBroadcastAsUser(intent, UserHandle.SYSTEM); 55 } 56 } 57 58