- Swing Programming Examples
- Example - Home
- Example - Environment Setup
- Example - Borders
- Example - Buttons
- Example - CheckBoxes
- Example - Combo Boxes
- Example - Color Choosers
- Example - Dialogs
- Example - Editor Panes
- Example - File Choosers
- Example - Formatted TextFields
- Example - Frames
- Example - Lists
- Example - Layouts
- Example - Menus
- Example - Password Fields
- Example - Progress Bars
- Example - Scroll Panes
- Example - Sliders
- Example - Spinners
- Example - Tables
- Example - Toolbars
- Example - Tree
- Swing Useful Resources
- Swing - Quick Guide
- Swing - Useful Resources
- Swing - Discussion
Swing Examples - Group Layout
The class GroupLayout hierarchically groups the components in order to position them in a Container.
Example
import java.awt.BorderLayout; import java.awt.GridBagConstraints; import java.awt.GridBagLayout; import javax.swing.GroupLayout; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JPanel; public class SwingTester { public static void main(String[] args) { createWindow(); } private static void createWindow() { JFrame frame = new JFrame("Swing Tester"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); createUI(frame); frame.setSize(560, 200); frame.setLocationRelativeTo(null); frame.setVisible(true); } private static void createUI(final JFrame frame){ JPanel panel = new JPanel(); GroupLayout layout = new GroupLayout(panel); layout.setAutoCreateGaps(true); layout.setAutoCreateContainerGaps(true); JButton btn1 = new JButton("Button 1"); JButton btn2 = new JButton("Button 2"); JButton btn3 = new JButton("Button 3"); layout.setHorizontalGroup(layout.createSequentialGroup() .addComponent(btn1) .addGroup(layout.createSequentialGroup() .addGroup(layout.createParallelGroup( GroupLayout.Alignment.LEADING) .addComponent(btn2) .addComponent(btn3)))); layout.setVerticalGroup(layout.createSequentialGroup() .addComponent(btn1) .addComponent(btn2) .addComponent(btn3)); panel.setLayout(layout); frame.getContentPane().add(panel, BorderLayout.CENTER); } }
Output
swingexamples_layouts.htm
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