1 /* 2 * Copyright (C) 2016 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 android.app.backup; 18 19 import android.app.backup.BackupProgress; 20 21 /** 22 * Callback class for receiving progress reports during a backup operation. These 23 * methods will all be called on your application's main thread. 24 * 25 * @hide 26 */ 27 oneway interface IBackupObserver { 28 /** 29 * This method could be called several times for packages with full data backup. 30 * It will tell how much of backup data is already saved and how much is expected. 31 * 32 * @param currentBackupPackage The name of the package that now being backed up. 33 * @param backupProgress Current progress of backup for the package. 34 */ onUpdate(String currentPackage, in BackupProgress backupProgress)35 void onUpdate(String currentPackage, in BackupProgress backupProgress); 36 37 /** 38 * Backup of one package or initialization of one transport has completed. This 39 * method will be called at most one time for each package or transport, and might not 40 * be not called if the operation fails before backupFinished(); for example, if the 41 * requested package/transport does not exist. 42 * 43 * @param target The name of the package that was backed up, or of the transport 44 * that was initialized 45 * @param status Zero on success; a nonzero error code if the backup operation failed. 46 */ onResult(String target, int status)47 void onResult(String target, int status); 48 49 /** 50 * The backup process has completed. This method will always be called, 51 * even if no individual package backup operations were attempted. 52 * 53 * @param status Zero on success; a nonzero error code if the backup operation 54 * as a whole failed with a transport error. 55 */ backupFinished(int status)56 void backupFinished(int status); 57 } 58