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