import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.stage.Stage;
import javafx.stage.Screen;
import javafx.scene.shape.Rectangle;
import javafx.application.Application;
import javafx.scene.paint.Color;

public class TouchTest extends Application {

    int start = 0;
    int stop = 0;

    public static void main(String[] args) {
        launch(args);
    }

    public void start(final Stage primaryStage) {

        Rectangle rect = new Rectangle(200, 200, 400, 400);
        rect.setFill(Color.BLUE);

        rect.setOnTouchPressed((e) -> {
            start = (int) System.nanoTime() / 1000000;
            System.out.println("Start time: " + start);
        });

        rect.setOnTouchReleased((e) -> {
            stop = (int) System.nanoTime() / 1000000;
            System.out.println("End time: " + stop);
            System.out.println(" * * * Tap duarion: "+ (stop - start));
        });

        Group g = new Group();
        g.getChildren().addAll(rect);
        Scene s = new Scene(g, 800, 800);
        primaryStage.setScene(s);
        primaryStage.show();
    }
}