DownloadHelper.Callback (ExoPlayer library)

Enclosing class:

DownloadHelper
```
public static interface DownloadHelper.Callback
```
A callback to be notified when the DownloadHelper is prepared.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`onPrepared(DownloadHelper helper)`	Called when preparation completes.
`void`	`onPrepareError(DownloadHelper helper, IOException e)`	Called when preparation fails.

- Method Detail
  - onPrepared
```
void onPrepared(DownloadHelper helper)
```
    Called when preparation completes.
    
    Parameters:
    
    helper - The reporting DownloadHelper.
  - onPrepareError
```
void onPrepareError(DownloadHelper helper,
                    IOException e)
```
    Called when preparation fails.
    
    Parameters:
    
    helper - The reporting DownloadHelper.
    
    e - The error.