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AutoCompletionBinding cannot access class com.sun.javafx.event.EventHandlerManager

If you are using ControlsFX 11, add the following VM option to your runtime command line: –add-exports javafx.base/com.sun.javafx.event=org.controlsfx.controls Note: Previous answers (on other sites and also here on SO) have suggested the following: –add-exports javafx.base/com.sun.javafx.event=ALL-UNNAMED However, recent versions of ControlFX appear to be modularized and the modules are no longer unnamed. If you are using … Read more

In JavaFX how do I move a sprite across the screen?

Your question is too much to be covered on SO. However I created a simple “engine” for you to start with. It’s general purpose, so also suited for your needs. The main class with the game loop where the game is loaded, input is checked, sprites are moved, collision is checked, score is updated etc … Read more

How to add a value marker to JavaFX chart?

To convert chart values to pixels you can use method NumberAxis#getDisplayPosition() which return actual coordinates of the chart nodes. Although these coordinates are relative to chart area, which you can find out by next code: Node chartArea = chart.lookup(“.chart-plot-background”); Bounds chartAreaBounds = chartArea.localToScene(chartArea.getBoundsInLocal()); Note localToScene() method which allows you to convert any coordinates to Scene … Read more

Java FX fxml on Action

Replace: import java.awt.event.ActionEvent; with: import javafx.event.ActionEvent;

UITableView – Better Editing through Binding?

Instead of responding to several events at the TableCell and TableColumn level to initiate editing of a cell, and successfully update the cell’s underlying data – instead we provide a custom cell factory and override theupdateItem() method in the cell and ‘bind’ the textProperty of the textField directly to the property inside our data model … Read more

Line Chart Live update

Based on JewelSea’s example on AnimatedAreaChart, I modified it to make a similar example for you based on LineGraph. Please have a look at the example, hope it satisfies your need! import javafx.animation.AnimationTimer; import javafx.application.Application; import javafx.scene.Scene; import javafx.scene.chart.LineChart; import javafx.scene.chart.NumberAxis; import javafx.scene.chart.XYChart; import javafx.stage.Stage; import java.util.concurrent.ConcurrentLinkedQueue; import java.util.concurrent.ExecutorService; import java.util.concurrent.Executors; import java.util.concurrent.ThreadFactory; public class … Read more

How do I show contents from the password field in javafx using checkbox [duplicate]

The duplicate is listed above for the correct but more complicated way of doing this. In this answer, I am showing two examples. One with a CheckBox and the other with the all-seeing eye. The eye is to use a StackPane to layer the node. For the CheckBox solution, put a TextField and then a … Read more

How to use JavaFX MediaPlayer correctly?

The problem is because you are trying to run JavaFX scene graph control outside of JavaFX Application thread. Run all JavaFX scene graph nodes inside the JavaFX application thread. You can start a JavaFX thread by extending JavaFX Application class and overriding the start() method. public class Main extends Application { @Override public void start(Stage … Read more

JavaFX – setOnAction not applicable

You have imported awt event listener just change this line of code import java.awt.event.ActionEvent; with this import javafx.event.ActionEvent; and you can also use lambda expression like this btn.setOnAction((event) -> { System.out.println(“Button clicked”); });