Okay, got it to work but it feels ugly.
In my 'east' I put a class SimpleDisplayUi which is a UiBinder class.
Its ui.xml just has a SimplePanel.
The trick was in SimpleDisplayUi.showActivityWidget(IsWidget widget)
to do
simplePanel.setWidget(widget.asWidget());
It seems there are two many layers from DockLayoutPanel to 'east' to
SimpleDisplayUi to SimplePanel and finally to the actual panel(s) that
can be changed.
There are a Activity classes that seem superfluous like SimpleActivity
just to create SimpleDisplayUi. It doesn't get created or called.
I'll look at cleaning this up but getting SimpleDisplayUi working was
painful so I'm not sure there is much leeway. Just look at its
declaration:
public class SimpleDisplayUi extends Composite implements
SimpleActivity.SimpleDisplayUi, Display { }
Rud
http://mysticlakesoftware.com
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