Using the putConstraint() Method of the SpringLayout Class - Java Swing

Java examples for Swing:SpringLayout

  1. HOME
  2. Java
  3. Swing
  4. SpringLayout

Description

Using the putConstraint() Method of the SpringLayout Class

Demo Code

import java.awt.Container;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.SpringLayout;

public class Main {
  public static void main(String[] args) {
    JFrame frame = new JFrame("SpringLayout");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    Container contentPane = frame.getContentPane();

    SpringLayout springLayout = new SpringLayout();
    contentPane.setLayout(springLayout);

    JButton b1 = new JButton("Button 1");
    JButton b2 = new JButton("this is a test 2");

    // Add two JButtons without using any constraints
    contentPane.add(b1);/* w w w .ja  v  a2  s  .c o  m*/
    contentPane.add(b2);

    springLayout.putConstraint(SpringLayout.WEST, b1, 10, SpringLayout.WEST,contentPane);
    springLayout.putConstraint(SpringLayout.NORTH, b1, 20, SpringLayout.NORTH,contentPane);

    springLayout.putConstraint(SpringLayout.WEST, b2, 10, SpringLayout.EAST, b1);
    springLayout.putConstraint(SpringLayout.NORTH, b2, 20, SpringLayout.NORTH,contentPane);

    springLayout.putConstraint(SpringLayout.SOUTH, contentPane, 10,SpringLayout.SOUTH, b1);

    springLayout.putConstraint(SpringLayout.EAST, contentPane, 10,SpringLayout.EAST, b2);

    frame.pack();
    frame.setVisible(true);
  }
}

Related Tutorials