Pfthb

I'm new here
I need help in placing components on a background image in Jframe using BorderLayout.
I tried adding the components to the label then the label to the frame but it hasn't worked so far

Here's my code:

package com.hosp;

import javax.swing.*;
import java.awt.*;

public class BackgroundImage extends JFrame 

 BackgroundImage() 

 //get image from package
 ImageIcon img=new ImageIcon(getClass().getResource("backgroundimage.jpg"));

 //add image to Label
 JLabel imageLabel =new JLabel(img,JLabel.CENTER);

 //button on screen
 JButton btn =new JButton("Save");

 //
 add(imageLabel);
 imageLabel.add(btn,BorderLayout.SOUTH);

 

 public static void main(String args) 

 BackgroundImage frame = new BackgroundImage ();
 frame.setVisible(true);
 frame.setSize(300,300);
 frame.setResizable(false);
 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 

public class backgroundImage extends JFrame{ 

Class names should start with an upper case character

add(imageLabel);
imageLabel.add(btn,BorderLayout.SOUTH);
validate();

1. Unlike a JPanel, a JLabel isn't designed to be a "container" to hold other components so it doesn't have a default layout manager so you can't just add the component to it using a BorderLayout constraint.




2. There is not need for the validate() method. You would only use revalidate() and repaint() when you add a component to a panel AFTER the frame is visible.

So your code should look something like:

add(imageLabel);
imageLabel.setLayout( new BorderLayout() );
imageLabel.add(btn,BorderLayout.SOUTH);
//validate();

Note this will only work if the components you add to the label are smaller than the size of the image, otherwise the component will be truncated to fit in the area of the label.

Check out Background Panel for a more flexible solution.