Re: Animation Problem

From:

Knute Johnson <nospam@rabbitbrush.frazmtn.com>

Newsgroups:

comp.lang.java.programmer

Date:

Thu, 20 Dec 2007 08:25:09 -0800

Message-ID:

<GHwaj.6865$Ft5.5447@newsfe15.lga>

James Sarjeant wrote:

Hi all, thanks for your help so far.
To clarify, this is a Swing app. Also the images are simply displayed in
JLabels dotted around the GUI. The updateImages() method simply takes the
latest set of images based on the step counter which is changed in
updatePC() and called programCount.

As for the thread issue, the user may or may not run the animation, or the
scrollForward() or the other scrollBack() methods. No aspects of this
program so far are in a thread other than the default ones and for
simplicity sake it would be best to keep it that way if at all possible.

You can't. If you wait on the EDT it isn't going to update the GUI.

The

scroll methods work just fine by changing the ImageIcon of the JLabels and,
unless I am mistaken (which is possible), it should work with a delay
between method calls??

No it won't.

I'm not ruling out any ideas though so keep them coming if you can. If you
need any more information then just ask.

There are a million ways to do this but probably the easiest is with the
javax.swing.Timer (I think somebody else already said that). That way
you can do the updates on the EDT (which is required) and the timing
somewhere else.

--

Knute Johnson
email s/nospam/knute/