RestoreObserver

Kotlin |Java

public abstract class RestoreObserver
extends Object

java.lang.Object
↳	android.app.backup.RestoreObserver

Callback class for receiving progress reports during a restore operation. These methods will all be called on your application's main thread.

Summary

Public constructors
`RestoreObserver()`

Public methods
`void`	`onUpdate(int nowBeingRestored, String currentPackage)` An indication of which package is being restored currently, out of the total number provided in the `restoreStarting(int)` callback.
`void`	`restoreFinished(int error)` The restore process has completed.
`void`	`restoreStarting(int numPackages)` The restore operation has begun.

Inherited methods

From class


        
          java.lang.Object

`Object`	`clone()` Creates and returns a copy of this object.
`boolean`	`equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void`	`finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>`	`getClass()` Returns the runtime class of this `Object`.
`int`	`hashCode()` Returns a hash code value for the object.
`final void`	`notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void`	`notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String`	`toString()` Returns a string representation of the object.
`final void`	`wait(long timeoutMillis, int nanos)` Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.
`final void`	`wait(long timeoutMillis)` Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.
`final void`	`wait()` Causes the current thread to wait until it is awakened, typically by being notified or interrupted.

Public constructors

RestoreObserver

public RestoreObserver ()

Public methods

onUpdate

Added in API level 8

public void onUpdate (int nowBeingRestored, 
                String currentPackage)

An indication of which package is being restored currently, out of the total number provided in the restoreStarting(int) callback. This method is not guaranteed to be called: if the transport is unable to obtain data for one or more of the requested packages, no onUpdate() call will occur for those packages.

Parameters
`nowBeingRestored`	`int`: The index, between 1 and the numPackages parameter to the `restoreStarting(int)` callback, of the package now being restored. This may be non-monotonic; it is intended purely as a rough indication of the backup manager's progress through the overall restore process.
`currentPackage`	`String`: The name of the package now being restored.

restoreFinished

Added in API level 8

public void restoreFinished (int error)

The restore process has completed. This method will always be called, even if no individual package restore operations were attempted.

Parameters
`error`	`int`: Zero on success; a nonzero error code if the restore operation as a whole failed.

restoreStarting

Added in API level 8

public void restoreStarting (int numPackages)

The restore operation has begun.

Parameters
`numPackages`	`int`: The total number of packages being processed in this restore operation.