AsyncCallback<Void> should work.
Pay attention though that you do need to call it with a valid Void object,
for which null is appropriate. Not the clearest API, but it works.
void fn(final AsyncCallback<Void> callback) {
callback.onSuccess(null);
}
On Wednesday, August 6, 2008 5:05:27 AM UTC-4, Patrick Ratelband wrote:
>
> I have tried and I am afraid that I cannot get it to work either. It
> really seems like you have to return something, and you have to type
> it, otherwise the GWT compiler will generalize the callback to handle
> anything and your code will bloat. Too bad, maybe an idea for the next
> GWT release?
>
> Patrick
>
> On Aug 5, 2:03 pm, thlaitina <thlait...@gmail.com> wrote:
> > hi Patrick,
> >
> > Did you try? I got "Unable to recognize 'java.lang.Void
> > java.lang.Void' as a type name (is it fully qualified?)" when I put
> > Void as the return type!
> >
> > Tina
> >
> > On Aug 3, 3:01 pm, Patrick Ratelband <ratelb...@gmail.com> wrote:
> >
> > > Thank you Daniel,
> >
> > > I never thought of usingvoidwith a capital V (silly me... slaps
> > > himself), even though it might not be very... well... clean code, at
> > > least it makes Eclipse happy for the moment.
> >
> > > Patrick
> >
> > > DanielK wrote:
> > > > My workaround to this was to use the class "Void" as the type
> > > > parameter of asynccallback / the return value of the method.
> >
> > > > I dont know if this is a good thing, though. Only Joshua Bloch or
> Bob
> > > > Lee could answer that.
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