JavaFX ScrollBar

by Online Tutorials Library July 14, 2022

JavaFX ScrollBar

JavaFX Scroll Bar is used to provide a scroll bar to the user so that the user can scroll down the application pages. It can be created by instantiating javafx.scene.control.ScrollBar class.

The following code implements scrollbar into our application.

  package application;  import javafx.application.Application;  import javafx.scene.Scene;  import javafx.scene.control.ScrollBar;  import javafx.scene.layout.StackPane;  import javafx.stage.Stage;  public class ScrollBar extends Application{    @Override  public void start(Stage primaryStage) throws Exception {  // TODO Auto-generated method stub  ScrollBar s = new ScrollBar();  StackPane root = new StackPane();  root.getChildren().add(s);  Scene scene = new Scene(root,300,200);  primaryStage.setScene(scene);  primaryStage.setTitle(“ScrollBar Example”);  primaryStage.show();    }  public static void main(String[] args) {  launch(args);  }    }  

Output:

JavaFX ScrollBar

Setting values and orientation

As we see in the modern days application, the scrollbar is shown horizontally as well as vertically. In JavaFX, we can set any of the orientation for the scrollbar. setOrientation() and passing the Orientation.VERTICAL property into the method as an argument.

ScrollBar class also provide three methods named as:

setMin()
setMax()
setValue()

these methods are used to set the minimum, maximum and current value of the scrollbar. It decides span of the scrollbar. The following code shows the implementation.

  package application;  import javafx.application.Application;  import javafx.geometry.Orientation;  import javafx.scene.Scene;  import javafx.scene.control.ScrollBar;  import javafx.scene.layout.StackPane;  import javafx.stage.Stage;  public class Progress_Indicator extends Application{    @Override  publicvoid start(Stage primaryStage) throws Exception {  // TODO Auto-generated method stub  ScrollBar s = new ScrollBar();  s.setMin(0);  s.setMax(200);  s.setValue(110);  s.setOrientation(Orientation.VERTICAL);  s.setUnitIncrement(12);  s.setBlockIncrement(10);  StackPane root = new StackPane();  root.getChildren().add(s);  Scene scene = new Scene(root,300,200);  primaryStage.setScene(scene);  primaryStage.setTitle(“ScrollBar Example”);  primaryStage.show();    }  public static void main(String[] args) {  launch(args);  }    }  

Output:

JavaFX ScrollBar 1

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Setting values and orientation

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