Old JFrame activity while new frame is active

Question

How can I deactivate a JFrame (up to while new frame is active) under a new frame just like JOptionPane.showMessageDialog(null,"Abc"); in Java?

This topic is covered here: [How to make a JFrame Modal in Swing java][1] [1]: http://stackoverflow.com/questions/1481405/how-to-make-a-jframe-modal-in-swing-java — Damian Polan, Jun 24 '14 at 20:00
See [The Use of Multiple JFrames, Good/Bad Practice?](http://stackoverflow.com/a/9554657/418556) — Andrew Thompson, Jun 25 '14 at 02:07

David Yee · Accepted Answer · 2014-06-24T19:58:37.523

I assume you mean that you want to prevent access to the underlying JFrame similar to how a JOptionPane works. This functionality is possible by using a modal JDialog window. Take a look at setModalityType. More specifically, here is how you might create a modal JDialog:

JFrame frame = new JFrame();
JDialog window = new JDialog(frame); // the frame is the parent
window.setModalityType(ModalityType.APPLICATION_MODAL);
window.setVisible(true); // must set modality first before making visible

Old JFrame activity while new frame is active

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