It seems that adding a 1 pixel (1px) view stops this happening.

On Feb 2, 11:55 pm, Romain Guy <[email protected]> wrote:
> Note that the bug is not due to an overlap of theinvalidateregion,
> it looks like the entire parent redraws in certain conditions.
>
>
>
> On Tue, Feb 2, 2010 at 3:45 PM, Romain Guy <[email protected]> wrote:
> > This is a known issue that will be fixed in a future release.
>
> > On Tue, Feb 2, 2010 at 12:47 PM, Keean Schupke
> > <[email protected]> wrote:
> >> When I have two views directly next to each other in a layout,
> >> invalidating one causes _both_ to redraw. If I separate them with a
> >> one pixel margin (or a View used as a one pixel separator)
> >> invalidating one no longer causes the other to also be invalidated.
>
> >> This looks like an off-by-one bug in the core android View hierarchy.
>
> >> Can anyone comment on whether this is deliberate or whether it is a
> >> bug?
>
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> > --
> > Romain Guy
> > Android framework engineer
> > [email protected]
>
> > Note: please don't send private questions to me, as I don't have time
> > to provide private support.  All such questions should be posted on
> > public forums, where I and others can see and answer them
>
> --
> Romain Guy
> Android framework engineer
> [email protected]
>
> Note: please don't send private questions to me, as I don't have time
> to provide private support.  All such questions should be posted on
> public forums, where I and others can see and answer them

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