# Interface AppHiddenListener

All Superinterfaces:
  `EventListener, SystemEventListener`

public interface AppHiddenListener extends SystemEventListener
Implementors are notified when the app is hidden or shown by the user. This notification is helpful for discontinuing a costly animation if it's not visible to the user.

Since:
  9

- ## Method Summary

  Modifier and Type
  Method
  Description
  `void`
  `appHidden(AppHiddenEvent e)`
  Called when the app is hidden.
  `void`
  `appUnhidden(AppHiddenEvent e)`
  Called when the hidden app is shown again (but not necessarily brought to the foreground).

- ## Method Details

  - ### appHidden

    void appHidden(AppHiddenEvent e)
    Called when the app is hidden.
    Parameters:
      `e` - event

  - ### appUnhidden

    void appUnhidden(AppHiddenEvent e)
    Called when the hidden app is shown again (but not necessarily brought to the foreground).
    Parameters:
      `e` - event