How to add a component into a JComponent with absolute positioning?

Question

Here is my current settings:

    private JComponent upperContent = new GeneralContent();
    private JComponent lowerContent = new GeneralContent();
    // GeneralContent extends JComponent

   jframe.setLayout(new GridLayout(2, 0));
   upperContent.setLayout(null);
   lowerContent.setLayout(new GridBagLayout());
   jframe.add(upperContent);
   jframe.add(lowerContent)

lowerContent's all component are displayed as expected while upperContent didn't display the component that i was added to it by using the following code:

JLabel label=new JLabel();
upperContent.add(label);
label.setLocation(15,15);

i also used label.repaint(); & upperContent.revalidate() neither worked

Use layouts (+layout padding and borders) to achieve the required effect. The `null` layout will come back to bite you in the posterior. — Andrew Thompson, Feb 10 '12 at 00:46

score 2 · Accepted Answer · answered Feb 10 '12 at 00:27

2

You get absolute positioning with a null layout. The bad news is that everything is totally up to you from then on.

http://docs.oracle.com/javase/tutorial/uiswing/layout/none.html

answered Feb 10 '12 at 00:27

duffymo

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using getPreferredSize() & setBounds() solved the problem, many thanks – skystar7 Feb 10 '12 at 00:41

How to add a component into a JComponent with absolute positioning?

1 Answers1