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From: Jan Burse <janburse@fastmail.fm>
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Subject: Re: Java claims WORA
Date: Mon, 25 Jun 2012 20:34:22 +0200
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David Lamb schrieb:
> I was hoping to develop some notes for doing that to pass along to
> upper-year undegrads. Do you have any suggestions / guidelines /
> tutorials you could point to?

If you can place business delegates into the headless part,
then you are practically done. You only need two different
clients, a Swing client and an Android client.

http://java.sun.com/blueprints/corej2eepatterns/Patterns/BusinessDelegate.html

The above would allow to build a Swing client and an Android
client that differ considerably, for example that implement
different workflow and/or different GUI layout.

If you want some common support so that a certain similarity
of the Swing client and the Android is assured, you might want to
look into the MVC pattern for example.

http://java.sun.com/blueprints/patterns/MVC-detailed.html

The result would then be something else:

+---------------+
+ Swing View    |
+---------------+-+----------------+ +---------------+
                   | GUI Controller |-| Headless Part |
+---------------+-+----------------+ +---------------+
| Android View  |
+---------------+

But I didn't follow the above architecture, since I was expecting
to implement a different layout and/or workflow for the Android
client, compared to the Swing client that was already there.

But manually programmatically by mirroring Swing code in the
Android code in many places I have now a similar layout and/or
workflow. But it is not enforced and changing the layout and/or
workflow accross both clients is now a double effort.

Bye