Example of OverlayLayout class:
Code:
import javax.swing.JPanel;
import javax.swing.OverlayLayout;
public class OverlayDemo {
public static void main(String args[]) {
JFrame frameQ = new JFrame("Overlay Example");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JPanel panel = new JPanel() {
public boolean isOptimizedDrawingEnabled() {
return false;
}
};
LayoutManager overlayQ = new OverlayLayout(panel);
panel.setLayout(overlayQ);
JButton buttonQ = new JButton("Small");
buttonQ.setMaximumSize(new Dimension(25, 25));
buttonQ.setBackground(Color.white);
buttonQ.setAlignmentX(0.5f);
buttonQ.setAlignmentY(0.5f);
panel.add(buttonQ);
buttonQ = new JButton("Large");
buttonQ.setMaximumSize(new Dimension(100, 100));
buttonQ.setBackground(Color.black);
buttonQ.setAlignmentX(0.5f);
buttonQ.setAlignmentY(0.5f);
panel.add(button);
frame.add(panel, BorderLayout.CENTER);
frame.setSize(200, 300);
frame.setVisible(true);
}
}
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