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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).

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Set TextField width in JavaFX

How I can set the width of a TextField in JavaFX? TextField userTextField = new TextField(); I tried this: TextField userTextField = new TextField(); userTextField.setPrefWidth(80); But I don't see any change.
Peter Penzov
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How to create tabs with icons in JavaFX

I want to create tabs panel with icons similar to the Firefox configuration panel with JavaFX: Is there any example which I can use to see how to implement this?
Peter Penzov
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'Toolkit not initialized' exception when unit-testing an JavaFX application

When I try to perform unit tests on components which contain JavaFX controls I get a java.lang.IllegalStateException: Toolkit not initialized. How can components be unit tested which operate with JavaFX controls?
Hannes
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How to convert byte array into javaFX image?

I am rewriting my question because I am struggle to find this solution. I've made a simple form to register some basic information about a student you know name, last name and so on. It also has an option to choose a photo by filechooser class to…
yfabio
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How do I add a value to items in a ComboBox in JavaFX

How can I add a value to items in a combo box so when the user selects an item from the ComboBox I am able to display the price for that item Eg. if the user selects an animal I can display the price of that animal. The the user selects dog then I…
user6587841
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Using JavaFX controller without FXML

Is there a possibility to use a controller with a JavaFX GUI without using FXML. I noticed that the FXML file contains an fx-controller attribute to bind the controller but i don't find it an easy way to work with it. Any ideas about have an MVC…
Hassam Abdelillah
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Heavy rendering task (in canvas) in JavaFX blocks GUI

I want to create an application that performs many renderings in a canvas. The normal JavaFX way blocks the GUI: It is realy hard to press the button in the application code below (run with Java 8). I searched the web, but JavaFX does not support…
Mahe
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How to automatically resize dialog pane when content is added?

For an application I am developing, I need the user to input a number of rows of data. The exact number is variable and the users should be able to add rows themselves too. I've got this all working now with a JavaFX Dialog, apart from the fact that…
Hayo Baan
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Javafx: TableView change row color based on column value

I have the following piece of code to update both the color of a column cell and its corresponding row: calltypel.setCellFactory(column -> { return new TableCell() { @Override protected void…
Dilpreet Kaur
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JavaFX append text to TextArea throws Exception

Answer : JavaFX append text to TextArea throws Exception I have a thread that calculates the size of a directory. I use walkFileTree for this. To get some info, I append the actuall file to a textarea. But when I have a lot of files (ex. > 300) I…
Garog
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How to center the content of a javafx 8 scrollpane

I have a ScrollPane, which contains a GridPane, which contains an ImageView, which contains an Image. What I want is for the Image to be centered in the GridPane. Without the ScrollPane I was able to accomplish this with…
Pentarctagon
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Keep showing a dialog when validation of input fails

I currently have a dialog with four TextFields from which the input is collected. When the input can not meet my requirements, the dialog should stay open and show an error message. I currently have the following…
bashoogzaad
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JavaFx animation poor performance, consumes all my CPU

I have written the following demonstration program. Four HBox(s) containing one Text node each, are added to the root (Group). The first and last are animated with a timeline to swap their positions. All the HBox(s) have the same css style. The…
C.LS
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How to rotate the LinearGradient in a given Shape?

I try to find the way to rotate the LinearGradient object nested into e.g. Rectangle object, say: Rectangle rect = new Rectangle(0, 0, 200, 200); LinearGradient lg = new LinearGradient(0, 0, 100, 0, false, CycleMethod.REPEAT, new Stop[] { new…
bluevoxel
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set HTTP headers in WebEngine JavaFX

How to pass the HTTP Headers like "Accept-Language", "Accept", "Accept-Encoding" to WebEngine in JavaFX? i have tried the method as specified in Setting a cookie using JavaFX's WebEngine/WebView, but it doesn't work. is there any API that is being…
Arun
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