Question about making an image as a background

Question

I am trying to make an image(picture) as the background of my application. I got a code from this forum. This code was written by paternostro, which is in reply to: Images as a background Oct 26, 2000 1:08 PM
import java.awt.*;
import java.awt.event.*;
import com.sun.java.swing.*;
public class Background {
public static void main(String args[]) {
new BackgroundFrame();
class BackgroundFrame extends JFrame {
Image im;
JButton ok = new JButton("OK");
JBackgroundPanel jbp;
BackgroundFrame() {
super();
/* Get image */
im = Toolkit.getDefaultToolkit().getImage("test.gif");
/* Components should be added to the container's content pane
Container cp = getContentPane();
/* Add the window listener */
addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent evt) {
dispose(); System.exit(0);}});
jbp = new JBackgroundPanel(im);
jbp.add(ok);
cp.add(jbp);
/* Size the frame */
setSize(200,200);
/* Center the frame */
Dimension screenDim =
Toolkit.getDefaultToolkit().getScreenSize();
Rectangle frameDim = getBounds();
setLocation((screenDim.width - frameDim.width) /
2,(screenDim.height - frameDim.height) / 2);
/* Show the frame */
setVisible(true);
class JBackgroundPanel extends JPanel
Image im;
JBackgroundPanel(Image im)
super();
this.im = im;
public void paintComponent(Graphics g)
g.drawImage(im,0,0,this);
Then I have a question. I was trying to make a layout manager (new GridLayout(3,0)) on jbp, then add some buttons up. But it make the program never show the background(picture) again. What should I do such that I can make the components on the frame ordered and also can see the background? Please help me, thank you very much!

Answer 1

Woops! So jbp is the background Panel. Create a new
panel, set the desired layout and add the required
components to this. Set this panel to opaque(false),
add it to jbp and add jbp to cp.
Haven't tried it but it sounds like it would work.
Thanks for helping, but I don't think it really works. Here is the code after adding jbp.opague(false)
======================================================
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class Background {
public static void main(String args[]) {
new BackgroundFrame();
class BackgroundFrame extends JFrame {
Image im;
JButton ok = new JButton("OK");
JPanel jp = new JPanel();
JBackgroundPanel jbp;
BackgroundFrame() {
super();
/* Get image */
im = Toolkit.getDefaultToolkit().getImage("test.gif");
/* Components should be added to the container's content pane
Container cp = getContentPane();
/* Add the window listener */
addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent evt) {
dispose(); System.exit(0);}});
jbp = new JBackgroundPanel(im);
jbp.setLayout(new GridLayout(3,0));
jp.add(ok);
jbp.setOpaque(false);
jbp.add(jp);
cp.add(jbp);
/* Size the frame */
setSize(200,200);
/* Center the frame */
Dimension screenDim =
Toolkit.getDefaultToolkit().getScreenSize();
Rectangle frameDim = getBounds();
setLocation((screenDim.width - frameDim.width) /
2,(screenDim.height - frameDim.height) / 2);
/* Show the frame */
setVisible(true);
class JBackgroundPanel extends JPanel
Image im;
JBackgroundPanel(Image im)
super();
this.im = im;
public void paintComponent(Graphics g)
g.drawImage(im,0,0,this);