80 lines
3.0 KiB
Java
80 lines
3.0 KiB
Java
/*
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* Copyright (C) 2010 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 android.app.backup;
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import java.lang.String;
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import android.annotation.SystemApi;
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import android.app.backup.RestoreSet;
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/**
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* Callback class for receiving progress reports during a restore operation. These
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* methods will all be called on your application's main thread.
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*/
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public abstract class RestoreObserver {
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/**
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* Supply a list of the restore datasets available from the current transport. This
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* method is invoked as a callback following the application's use of the
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* {@link android.app.backup.IRestoreSession.getAvailableRestoreSets} method.
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*
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* @param result An array of {@link android.app.backup.RestoreSet RestoreSet} objects
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* describing all of the available datasets that are candidates for restoring to
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* the current device. If no applicable datasets exist, {@code result} will be
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* {@code null}.
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*
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* @hide
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*/
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@SystemApi
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public void restoreSetsAvailable(RestoreSet[] result) {
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}
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/**
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* The restore operation has begun.
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*
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* @param numPackages The total number of packages being processed in
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* this restore operation.
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*/
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public void restoreStarting(int numPackages) {
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}
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/**
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* An indication of which package is being restored currently, out of the
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* total number provided in the {@link #restoreStarting(int)} callback. This method
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* is not guaranteed to be called: if the transport is unable to obtain
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* data for one or more of the requested packages, no onUpdate() call will
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* occur for those packages.
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*
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* @param nowBeingRestored The index, between 1 and the numPackages parameter
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* to the {@link #restoreStarting(int)} callback, of the package now being
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* restored. This may be non-monotonic; it is intended purely as a rough
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* indication of the backup manager's progress through the overall restore process.
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* @param currentPackage The name of the package now being restored.
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*/
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public void onUpdate(int nowBeingRestored, String currentPackage) {
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}
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/**
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* The restore process has completed. This method will always be called,
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* even if no individual package restore operations were attempted.
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*
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* @param error Zero on success; a nonzero error code if the restore operation
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* as a whole failed.
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*/
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public void restoreFinished(int error) {
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}
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}
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