1 /* 2 * Copyright (C) 2019 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.providers.settings; 18 19 import android.net.Uri; 20 import android.provider.Settings; 21 22 /** 23 * Class to store the keys used for backup and restore. 24 */ 25 final class SettingsBackupRestoreKeys { 26 static final String KEY_UNKNOWN = "unknown"; 27 static final String KEY_SYSTEM = "system"; 28 static final String KEY_SECURE = "secure"; 29 static final String KEY_GLOBAL = "global"; 30 static final String KEY_LOCALE = "locale"; 31 static final String KEY_LOCK_SETTINGS = "lock_settings"; 32 static final String KEY_SOFTAP_CONFIG = "softap_config"; 33 static final String KEY_NETWORK_POLICIES = "network_policies"; 34 static final String KEY_WIFI_NEW_CONFIG = "wifi_new_config"; 35 static final String KEY_DEVICE_SPECIFIC_CONFIG = "device_specific_config"; 36 static final String KEY_SIM_SPECIFIC_SETTINGS = "sim_specific_settings"; 37 // Restoring sim-specific data backed up from newer Android version to Android 12 was causing a 38 // fatal crash. Creating a backup with a different key will prevent Android 12 versions from 39 // restoring this data. 40 static final String KEY_SIM_SPECIFIC_SETTINGS_2 = "sim_specific_settings_2"; 41 static final String KEY_WIFI_SETTINGS_BACKUP_DATA = "wifi_settings_backup_data"; 42 43 /** 44 * Returns the key corresponding to the given URI. 45 * 46 * @param uri The URI of the setting's destination. 47 * @return The key corresponding to the given URI, or KEY_UNKNOWN if the URI is not recognized. 48 */ getKeyFromUri(Uri uri)49 static String getKeyFromUri(Uri uri) { 50 if (uri.equals(Settings.Secure.CONTENT_URI)) { 51 return KEY_SECURE; 52 } else if (uri.equals(Settings.System.CONTENT_URI)) { 53 return KEY_SYSTEM; 54 } else if (uri.equals(Settings.Global.CONTENT_URI)) { 55 return KEY_GLOBAL; 56 } else { 57 return KEY_UNKNOWN; 58 } 59 } 60 61 }