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JavaFX Flow Pane Layouts

Code Description:

The code provided below shows how to create a basic Flow Pane layout using JavaFX. Flow Panes allow the child element to wrap within their pane when there is not enough room to display them all at the same time. If the orientation is set to horizontal, when the screen width shrinks the elements will drop vertically. If the orientation is set to vertical, when the screen height shrinks the elements will flow to the right.

Flow Pane Syntax:

FlowPane flowPane = new FlowPane(Orientation.HORIZONTAL);

Runnable JavaFX Flow Pane Example Code:

import javafx.application.Application;
import javafx.geometry.Orientation;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.layout.FlowPane;
import javafx.stage.Stage;

public class Demo extends Application {

    public static void main(String[] args) {

    public void start(Stage primaryStage) throws Exception {
	int spacingAmount = 5;
	FlowPane root = new FlowPane(Orientation.HORIZONTAL);

	Button button1 = new Button("Button1");
	Button button2 = new Button("Button2");
	Button button3 = new Button("Button1");
	Button button4 = new Button("Button2");

	root.getChildren().addAll(button1, button2, button3, button4);
	primaryStage.setTitle("Flow Pane Demo");
	primaryStage.setScene(new Scene(root, 200, 200));;


How to Run This Code:

Make sure that your Class name is the same as ours. In this case, we are using the Class name of "Demo". Alternatively, you can change the Class name in the provided code to match yours.

Note: You will NOT be able to copy and paste this code into your IDE unless you first set up JavaFX for your project. Check out this link if you need help setting up JavaFX:

JavaFX Comprehensive Setup Guide


JavaFX Flow Pane Layout Output Image

Important Methods:

  • getChildren().addAll() - Used to add child elements or layouts to the flow pane.
  • setVgap() - Sets the vertical spacing between each of the child elements.
  • setHgap() - Sets the horizontal spacing between each of the child elements.
  • setStyle() - Set an inline CSS-like style on the flow pane. EX: "flowPane.setStyle("-fx-background-color: green;");"
  • setAlignment() - Set how the child elements are aligned in the flow pane. EX: "flowPane.setAlignment(Pos.CENTER);"

Related Links:

JavaFX Resizable Split Pane Layouts JavaFX VBox (Vertical Box Layouts) JavaFX HBox (Horizontal Box Layouts) JavaFX Tile Pane Layouts