Thanks, although to clarify this discussion for anyone else who finds
reads this, View.onDraw() doesn't directly take a Rect parameter.  It
takes a Canvas...which turns out to have a clip rect inside it which
is easily retrieved.

Cheers!

On Apr 26, 11:02 am, Dianne Hackborn <[email protected]> wrote:
> Use the rectangle given to onDraw().
>
> On Sun, Apr 26, 2009 at 8:27 AM, Keith Wiley <[email protected]> wrote:
>
> > Subject pretty much says it all.  I can't find a getInvalidRegion() or
> > getInvalidRect() function, or anything of similar intention.  How do I
> > trim my drawing work during onDraw() to only the invalid region so I
> > don't bother drawing parts of the view that don't need to be updated?
>
> > Thanks.
>
> --
> Dianne Hackborn
> Android framework engineer
> [email protected]
>
> Note: please don't send private questions to me, as I don't have time to
> provide private support, and so won't reply to such e-mails.  All such
> questions should be posted on public forums, where I and others can see and
> answer them.
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