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/OpenJDK 21

Interface AppForegroundListener

All Superinterfaces:
EventListener, SystemEventListener 
public interface AppForegroundListener extends SystemEventListener
Implementors are notified when the app becomes the foreground app and when it is no longer the foreground app. This notification is useful for hiding and showing transient UI like palette windows which should be hidden when the app is in the background.
Since:
9

Method Summary

Modifier and Type Method Description
void appMovedToBackground(AppForegroundEvent e)
Called when the app becomes the background app and another app becomes the foreground app.
void appRaisedToForeground(AppForegroundEvent e)
Called when the app becomes the foreground app.

Method Details

appRaisedToForeground

void appRaisedToForeground(AppForegroundEvent e)
Called when the app becomes the foreground app.
Parameters:
e - event

appMovedToBackground

void appMovedToBackground(AppForegroundEvent e)
Called when the app becomes the background app and another app becomes the foreground app.
Parameters:
e - event

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Documentation extracted from Debian's OpenJDK Development Kit package.
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https://docs.oracle.com/en/java/javase/21/docs/api/java.desktop/java/awt/desktop/AppForegroundListener.html