Downloader.ProgressListener (ExoPlayer library)

Enclosing interface:

Downloader
```
public static interface Downloader.ProgressListener
```
Receives progress updates during download operations.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`onProgress(long contentLength, long bytesDownloaded, float percentDownloaded)`	Called when progress is made during a download operation.

- Method Detail
  - onProgress
```
void onProgress(long contentLength,
                long bytesDownloaded,
                float percentDownloaded)
```
    Called when progress is made during a download operation.
    May be called directly from Downloader.download(com.google.android.exoplayer2.offline.Downloader.ProgressListener), or from any other thread used by the downloader. In all cases, Downloader.download(com.google.android.exoplayer2.offline.Downloader.ProgressListener) is guaranteed not to return until after the last call to this method has finished executing.
    
    Parameters:
    
    contentLength - The length of the content in bytes, or C.LENGTH_UNSET if unknown.
    
    bytesDownloaded - The number of bytes that have been downloaded.
    
    percentDownloaded - The percentage of the content that has been downloaded, or C.PERCENTAGE_UNSET.