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Questions tagged [javafx-8]

JavaFX 8 (previously named JavaFX 3) introduces a new API for JavaFX technology. JavaFX 8 supports 3D and brings up a Retina-Display Support. It is part of the JDK8.

JavaFX 8 is part of the JDK 8

Useful resources:

JavaFX-2 links, actual for JavaFX-8 :

Testing JavaFX-2+ applications :

Declarative languages for JavaFX :

OpenJavaFX links :

JavaFX Scene Builder links :

Blogs and news sites about JavaFX :

Projects, complementing and extending basic functionality of JavaFX :

Books about JavaFX 2 technology :

Personal blogs, by people, who write about JavaFX :

Use javafx-2 tag for questions, related to JavaFX 2+ (versions 2.0+), which is the prequel of javafx-8.

Use JavaFX 2 bug tracker to file and track issues about bugs and incompatibility (having previously checked, that dublicates are not existing already, and it is not an intended change).

5923 questions
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Root hasn't been set Error with Java 8 Eclipse

Recently I installed Java 8 build 124 for my JavaFX application and I started getting these errors: javafx.fxml.LoadException: Root hasn't been set. Use method setRoot() before…
j will
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Install openJDK+openJFX 8 on Ubuntu 20

I'm trying to install OpenJDK 8 and OpenJFX 8 on Ubuntu 20.10. Installing openJFX 8 has always been a little tricky on Ubuntu, but I used to be able to do it using the tip from this SO answer: https://stackoverflow.com/a/56166582/2423283 That used…
NateW
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JavaFX - getScene() returns null

I just started using JavaFX Scene Builder to build a small application. It is made up of a controller class 'Login.java' which belongs to 'login.fxml', in which the FXML file 'registrierung.fxml' is loaded via a method called…
The_Dude
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General Exception handling in JavaFX 8

Given the controller of a Scene calls business code which raises an Exception. How can I handle those kind of Exceptions in a general fashion? I tried the Thread.setDefaultUncaughtExceptionHandler(UncaughtExceptionHandler) method but it is not…
Hannes
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Set multiple styleClass values

How does one set two classes on a node in a JavaFX FXML file? This adds one value "notice high" instead of two values "notice" and "high". How can I add two values?
John Kugelman
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Copiable Label/TextField/LabeledText in JavaFX

I just want to create copiable label in JavaFX. I have tried to create TextField that have no background, have no focus border and default background color, but I have no success. I have found a lot of questions how to remove focus background from…
zapletnev
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Set two root nodes for TreeView

Is there a way to set two root nodes for one TreeView? I found many example if simple TreeView but there is no useful example for my case.
Peter Penzov
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How to style menu button and menu items

I tried to change styles in menu button. I could change menu button style but not its menu item. No matter what i try menu item inside menu-button remains unchanged. .menu-button { -fx-background-color:black; } .menu-button .label { …
Vinod CG
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Can you specify minor jdk version for travis ci

Is it possible to specify the minor version of the JDK for jobs running on Travis? I have a JavaFX project which is failing because JDK 1.8.0_31 is being used to perform the build where as the project uses some classes that were only shipped in Java…
bmooney
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ObservableList: how to reliably detect a setAll?

In some contexts it's necessary to detect - in a ListChangeListener, without control about the list itself - a "all data swapped out", f.i. when we need to clear some state like selection - on completely new data the old state is meaningless.…
kleopatra
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Scala using Java libraries, taking advantage of lambda expressions support in Java 8

According to: http://docs.oracle.com/javase/tutorial/java/javaOO/lambdaexpressions.html#lambda-expressions-in-gui-applications Previously: btn.setOnAction(new EventHandler() { @Override public void handle(ActionEvent event) { …
SpaceMonkey
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How can I make a TextArea stretch to fill the content, expanding the parent in the process?

So I have a TextArea and as the user pastes paragraphs into it, or just writes in it, I want it to expand vertically to reveal all the available text. I.e. not to use a scrollbar in the text field itself... much like what happens on many web pages.…
Daniel Gerson
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How to write text along a Bezier Curve?

I am looking to do something like this in javafx 2.2 or at least in javafx 8. I browsed the Text javadoc and css reference without results. It is possible to do this effect by displaying and svg in a WebView. But my application have to display a…
gontard
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IdentitySet / IdentityHashSet (use IdentityHashMap)

I know about IdentityHashMap, but I need to use to something like "IdentitySet" (use equals as o1 == o2 ). I'm going to use one to listen Observable list with "extractor" (JavaFX): List deleteList = new ArrayList<>(); List addList…
kozmo
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how can I set the controller in the scene builder?

I want to use sceneBuilder for a javaFx application. I have a Package that is called testPac and inside that I have the folders as has been presented in figure 1; I have one fxml file and its controller inside the view folder. now, I don't know…
Delsa
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