fxml

问题 I want to create a controller based JavaFX GUI consisting of multiple controllers. The task I can't accomplish is to pass parameters from one Scene to another AND back. Or in other words: The MainController loads SubController's fxml, passes an object to SubController, switches the scene. There shall not be two open windows. After it's work is done, the SubController shall then switch the scene back to the MainController and pass some object back. This is where I fail. This question is very

问题 I want to create a controller based JavaFX GUI consisting of multiple controllers. The task I can't accomplish is to pass parameters from one Scene to another AND back. Or in other words: The MainController loads SubController's fxml, passes an object to SubController, switches the scene. There shall not be two open windows. After it's work is done, the SubController shall then switch the scene back to the MainController and pass some object back. This is where I fail. This question is very

问题 I am new to JavaFX and I come across 2-3 ways of designing UI in JavaFX. Simple Java file which is same methodology we used in Swing JavaFX Script which I don't know FXML which is xml based file for UI designing Which of these is better? and why? 回答1: Just to put some light, javafx script was used prior to javafx 2.0 and is no longer in use ! You can use this approach, if you are more familiar with the coding UI in java. But, I personally dislike the approach, since it makes the code complex

问题 Im trying to set the text of a button on the initialize() method but it throws me InvocationTargetException, its the same if I try to get any items on the FXML. FXML: <VBox fx:id="vbox" alignment="CENTER" maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="500.0" prefWidth="450.0" spacing="40.0" xmlns="http://javafx.com/javafx/8.0.111" xmlns:fx="http://javafx.com/fxml/1" fx:controller="instaj.LoginController"> <children> <ImageView fitHeight="150

问题 I created this small project to test key events. But when I press keys, it isn't behaving as I want. Actually I need key events for my Calculator project. I created a Calculator project and aside from mouse clicks, I want to add a feature where numbers or operators can be typed from a keyboard. Can anyone check this and help make it more functional? public class FXMLDocumentController implements Initializable{ @FXML private Label label; @FXML private Button backSpace; @FXML private Button

问题 This question already has an answer here : How can I use a variable from another Controller in JavaFX (1 answer) Closed 6 years ago . I have one button in one FXML and two text fields in another FXML. These two FXMLs are independent, I mean they are not nested. I want to print the text (which are in the two text fields) in the console/output whenever there is a click in the button. Below are the fxmls and their controllers: Button.fxml <AnchorPane id="AnchorPane" prefHeight="200.0" prefWidth=

问题 This question already has an answer here : How can I use a variable from another Controller in JavaFX (1 answer) Closed 6 years ago . I have one button in one FXML and two text fields in another FXML. These two FXMLs are independent, I mean they are not nested. I want to print the text (which are in the two text fields) in the console/output whenever there is a click in the button. Below are the fxmls and their controllers: Button.fxml <AnchorPane id="AnchorPane" prefHeight="200.0" prefWidth=

问题 This question already has an answer here : How can I use a variable from another Controller in JavaFX (1 answer) Closed 6 years ago . I have one button in one FXML and two text fields in another FXML. These two FXMLs are independent, I mean they are not nested. I want to print the text (which are in the two text fields) in the console/output whenever there is a click in the button. Below are the fxmls and their controllers: Button.fxml <AnchorPane id="AnchorPane" prefHeight="200.0" prefWidth=

问题 I'm working on a college project and I have to create a GUI. I'm trying to learn FXML but when trying to launch the GUI I get the following error: Exception in Application start method java.lang.reflect.InvocationTargetException at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke

问题 I'm working on a college project and I have to create a GUI. I'm trying to learn FXML but when trying to launch the GUI I get the following error: Exception in Application start method java.lang.reflect.InvocationTargetException at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke