1/* 2 * Copyright (C) 2014 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 17package com.android.server; 18 19import java.util.List; 20 21/** 22 * Shim to allow core/backup to communicate with the app widget service 23 * about various important events without needing to be able to see the 24 * implementation of the service. 25 * 26 * @hide 27 */ 28public interface WidgetBackupProvider { 29 public List<String> getWidgetParticipants(int userId); 30 public byte[] getWidgetState(String packageName, int userId); 31 public void restoreStarting(int userId); 32 public void restoreWidgetState(String packageName, byte[] restoredState, int userId); 33 public void restoreFinished(int userId); 34} 35