Use Platform.runLater(…) for quick and simple operations and Task for complex and big operations . Use case for Platform.runLater(…) Use case for Task: Task Example in Ensemble App Example: Why Can’t we use Platform.runLater(…) for long calculations (Taken from below reference). Problem: Background thread which just counts from 0 to 1 million and update progress … Read more
Node.setVisible(boolean) just toggles the visibility state of a Node. To exclude a Node from its parents layout calculations you additionally have to set its managed state, by calling Node.setManaged(false). If you want the managed state to be updated automatically alongside the visibility, you can use a binding as @jewelsea pointed out: node.managedProperty().bind(node.visibleProperty());
I have been learning JavaFX for the last couple of weeks. Here is a high level overview of how it compares to WPF in my eyes: All of my comments are related to JavaFX 2.0. This information will probably be subject to change as the platform is still fairly immature and is being actively developed. … Read more
You can get the instance of the controller from the FXMLLoader after initialization via getController(), but you need to instantiate an FXMLLoader instead of using the static methods then. I’d pass the stage after calling load() directly to the controller afterwards: FXMLLoader loader = new FXMLLoader(getClass().getResource(“MyGui.fxml”)); Parent root = (Parent)loader.load(); MyController controller = (MyController)loader.getController(); controller.setStageAndSetupListeners(stage); … Read more
Very old thread, but this seems neater and strips out non-numeric characters if pasted. // force the field to be numeric only textField.textProperty().addListener(new ChangeListener<String>() { @Override public void changed(ObservableValue<? extends String> observable, String oldValue, String newValue) { if (!newValue.matches(“\\d*”)) { textField.setText(newValue.replaceAll(“[^\\d]”, “”)); } } });
In a few words: The constructor is called first, then any @FXML annotated fields are populated, then initialize() is called. This means the constructor does not have access to @FXML fields referring to components defined in the .fxml file, while initialize() does have access to them. Quoting from the Introduction to FXML: […] the controller … Read more
This worked for me: File >> Project Structure >> Modules >> Dependency >> + (on left-side of window) clicking the “+” sign will let you designate the directory where you have unpacked JavaFX’s “lib” folder. Scope is Compile (which is the default.) You can then edit this to call it JavaFX by double-clicking on the … Read more
Yes you can run JavaFX application on iOS, android, desktop, RaspberryPI (no windows8 mobile yet). Work in Action : We did it! JavaFX8 multimedia project on iPad, Android, Windows and Mac! JavaFX Everywhere Ensemble8 Javafx8 Android Demo My Sample JavaFX application Running on Raspberry Pi My Sample Application Running on Android JavaFX on iOS and … Read more
JavaFX is part of OpenJDK The JavaFX project itself is open source and is part of the OpenJDK project. However, the OpenJDK project includes many projects, including incubating projects and other projects, such as OpenJFX, whose source and implementation are not shipped as part of some JDK/JRE distributions (e.g. Oracle JDK 11+ implementations and many … Read more
Assuming your stage is “stage” and the file is on the filesystem: stage.getIcons().add(new Image(“file:icon.png”)); As per the comment below, if it’s wrapped in a containing jar you’ll need to use the following approach instead: stage.getIcons().add(new Image(<yourclassname>.class.getResourceAsStream(“icon.png”)));