GetFileCallback

```
public interface GetFileCallback
```
A GetFileCallback is used to run code after a ParseFile fetches its data on a background thread.
The easiest way to use a GetFileCallback is through an anonymous inner class. Override the done function to specify what the callback should do after the fetch is complete. The done function will be run in the UI thread, while the fetch happens in a background thread. This ensures that the UI does not freeze while the fetch happens.
```
 file.getFileInBackground(new GetFileCallback() {
   public void done(File file, ParseException e) {
     // ...
   }
 });
 
```

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`done(java.io.File file, ParseException e)`	Override this function with the code you want to run after the fetch is complete.

- Method Detail
  - done
```
void done(java.io.File file,
          ParseException e)
```
    Override this function with the code you want to run after the fetch is complete.
    
    Parameters:
    
    file - The data that was retrieved, or null if it did not succeed.
    
    e - The exception raised by the fetch, or null if it succeeded.