Re: How to change Swing app to JApplet

From:
Tom Hawtin <usenet@tackline.plus.com>
Newsgroups:
comp.lang.java.programmer
Date:
Thu, 21 Jun 2007 18:36:42 +0100
Message-ID:
<467ab5db$0$8748$ed2619ec@ptn-nntp-reader02.plus.net>
JTL.zheng wrote:

  public class Applet extends JApplet {

    private static final long serialVersionUID = -3683798728718521374L;
    public void init() {
        javax.swing.SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                new UI();
            }
        });
    }
  }

but it doesn't work....
what code should I change?


Technically you should set the GUI up before returning from init:

public class SomeApplet extends JApplet {
    private static final long serialVersionUID = -3683798728718521374L;
    @Override
    public void init() {
        try {
            java.awt.EventQueue.invokeAndWait(new Runnable() {
                      public void run() {
                          new UI();
                      }
            });
        } catch (InterruptedException exc) {
            Thread.currentThread().interrupt();
        } catch (java.lang.reflect.InvocationTargetException exc) {
            Throwable cause = exc.getCause();
            if (cause instanceof RuntimeException) {
                 throw (RuntimeException)cause;
            } else if (cause instanceof Error) {
                 throw (Error)cause;
            } else {
                throw new Error(cause);
            }
        }
    }
}

(Disclaimer: Not tested or even compiled.)

However, I don't know whether that actually makes any difference.

Tom Hawtin

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