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Disappearing Buttons [message #1859233]

Mon, 22 May 2023 00:37

Billy Estes

Messages: 11
Registered: April 2023

Junior Member

I am having issues with jbuttons being missing until i mouse over them on my jframe here is my jframe code

JFrame frame = new JFrame();
frame.setForeground(Color.WHITE);
frame.getContentPane().setForeground(Color.BLACK);
frame.setBounds(100, 100, 357, 539);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.getContentPane().setLayout(null);
frame.setVisible(true);
if you have any questions thanks in aadvance

here is my button code jusy incase

JButton btn2 = new JButton("2");
btn2.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent arg0) {
String number = textField.getText() + btn2.getText();
textField.setText(number);
}
});
btn2.setFont(new Font("Tahoma", Font.BOLD, 23));
btn2.setBounds(139, 398, 64, 50);
frame.getContentPane().add(btn2);

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Re: Disappearing Buttons [message #1859241 is a reply to message #1859233]

Mon, 22 May 2023 06:29

Ed Merks

Messages: 32820
Registered: July 2009

Senior Member

I can only repeat myself to suggest you use the WindowBuilder discussions list because they won't see your question here.

Ed Merks
Professional Support: https://www.macromodeling.com/

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Re: Disappearing Buttons [message #1859249 is a reply to message #1859241]

Mon, 22 May 2023 16:27

Billy Estes

Messages: 11
Registered: April 2023

Junior Member

yes i will but this was done by hand not in windowbuilder so i think it classifies as regular coding

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Re: Disappearing Buttons [message #1859250 is a reply to message #1859249]

Mon, 22 May 2023 17:29

Ed Merks

Messages: 32820
Registered: July 2009

Senior Member

This is not a general Java programming forum It's for asking questions about Eclipse's tools and frameworks. For general questions, ask on stackoverflow, though don't expect anyone to do your work for you. (And Google is your best friend.)

Ed Merks
Professional Support: https://www.macromodeling.com/

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Re: Disappearing Buttons [message #1859260 is a reply to message #1859250]

Wed, 24 May 2023 13:33

Kabiru Usman

Messages: 11
Registered: April 2023

Junior Member

The JButton and JFrame code looks okay, but there could be a few reasons why the buttons aren't showing up until you hover over them.

Painting Issues: Sometimes, Java Swing components don't show up until they're interacted with. This could be due to issues with how they're drawn on screen.
Layout Management: You're using null layout for your JFrame, which can lead to issues if not handled right.
Thread Issues: GUI updates in Swing need to happen on the Event Dispatch Thread (EDT). If the code adding your button isn't on this thread, it could cause problems.

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