UserSessionListener (Java SE 17 & JDK 17)
Description: declaration: module: java.desktop, package: java.awt.desktop, interface: UserSessionListener
Keywords: java.awt.desktop.UserSessionListener interface

Module java.desktop
Package java.awt.desktop

# Interface UserSessionListener

All Superinterfaces:
  `EventListener`, `SystemEventListener`

public interface UserSessionListener extends SystemEventListener
Implementors receive notification when the user session changes.

This notification is useful for discontinuing a costly animation, or indicating that the user is no longer present on a network service.

Some systems may provide a reason of the user session change.

Since:
  9
See Also:
  - `UserSessionEvent.Reason.UNSPECIFIED`
  - `UserSessionEvent.Reason.CONSOLE`
  - `UserSessionEvent.Reason.REMOTE`
  - `UserSessionEvent.Reason.LOCK`

- ## Method Summary

  Modifier and Type
  Method
  Description
  `void`
  `userSessionActivated(UserSessionEvent e)`
  Called when the user session has been switched to.
  `void`
  `userSessionDeactivated(UserSessionEvent e)`
  Called when the user session has been switched away.

- ## Method Details

  - ### userSessionDeactivated

    void userSessionDeactivated(UserSessionEvent e)
    Called when the user session has been switched away.
    Parameters:
      `e` - the user session switch event

  - ### userSessionActivated

    void userSessionActivated(UserSessionEvent e)
    Called when the user session has been switched to.
    Parameters:
      `e` - the user session switch event