- All Superinterfaces:
- EventListener
- All Known Subinterfaces:
- AppForegroundListener,- AppHiddenListener,- AppReopenedListener,- ScreenSleepListener,- SystemSleepListener,- UserSessionListener
Common interface for all event listener sub-types. Implementors may implement
 multiple sub-types, but only need to call
 
Desktop.addAppEventListener(SystemEventListener) once to
 receive all notifications.- Since:
- 9