| ChangeListener | Event listener interface for ChangeEvent. |
| CompletionListener | Event listener interface for CompletionEvent. |
| DriveEvent | Base interface implemented by all Drive event types. |
| DriveEvent.Listener<E extends DriveEvent> | Listens for Drive events of a particular type. |
| ResourceEvent | Base interface for DriveEvent types related to a specific resource. |
| ChangeEvent | Sent when a DriveResource has had a change to its DriveContents or
Metadata. |
| CompletionEvent | An event delivered after the client requests a completion notification using
setNotifyOnCompletion(boolean) and that action has either succeeded or
failed on the server. |
| DriveEventService | Abstract base class for a bound service that handles Drive events. |