| /* |
| * Copyright (C) 2008 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.inputmethod.latin; |
| |
| import android.app.backup.BackupAgentHelper; |
| import android.app.backup.BackupDataInput; |
| import android.app.backup.SharedPreferencesBackupHelper; |
| import android.content.SharedPreferences; |
| import android.os.ParcelFileDescriptor; |
| |
| import com.android.inputmethod.latin.settings.LocalSettingsConstants; |
| |
| import java.io.IOException; |
| |
| /** |
| * Backup/restore agent for LatinIME. |
| * Currently it backs up the default shared preferences. |
| */ |
| public final class BackupAgent extends BackupAgentHelper { |
| private static final String PREF_SUFFIX = "_preferences"; |
| |
| @Override |
| public void onCreate() { |
| addHelper("shared_pref", new SharedPreferencesBackupHelper(this, |
| getPackageName() + PREF_SUFFIX)); |
| } |
| |
| @Override |
| public void onRestore(BackupDataInput data, int appVersionCode, ParcelFileDescriptor newState) |
| throws IOException { |
| // Let the restore operation go through |
| super.onRestore(data, appVersionCode, newState); |
| |
| // Remove the preferences that we don't want restored. |
| final SharedPreferences.Editor prefEditor = getSharedPreferences( |
| getPackageName() + PREF_SUFFIX, MODE_PRIVATE).edit(); |
| for (final String key : LocalSettingsConstants.PREFS_TO_SKIP_RESTORING) { |
| prefEditor.remove(key); |
| } |
| // Flush the changes to disk. |
| prefEditor.commit(); |
| } |
| } |