public static interface

# DriveFile.DownloadProgressListener

com.google.android.gms.drive.DriveFile.DownloadProgressListener

## Class Overview

A listener for progress events on an active contents download. This listener can be specified using an optional parameter in `open(GoogleApiClient, int, DriveFile.DownloadProgressListener)`.

See `open(GoogleApiClient, int, DriveFile.DownloadProgressListener)` for more information about the behavior when opening files.

## Summary

Public Methods
abstract void | onProgress(long bytesDownloaded, long bytesExpected)

## Public Methods

#### public abstract void onProgress (long bytesDownloaded, long bytesExpected)

##### Parameters

bytesDownloaded | the number of bytes downloaded so far.
bytesExpected | the expected number of total bytes. This value is an estimate and might not correspond to the contents eventually returned. Note: This value will be -1 if the expected number of total bytes is unknown.