Full multitouch is supported from when the APIs appeared -- API 5.
 "multiple distinguishable touch points" is a hardware limitations (some
screen sensors don't support two completely separate touches at the same
time).  You can determine this based on the feature defined in
PackageManager.

On Thu, Jul 22, 2010 at 1:41 PM, Joseph Earl <[email protected]>wrote:

> API Level 4 and below support only a single touch pointer officially.
> API Level 5 - 7 support multiple indistinguishable touch points (for
> instance if you place one finger down, then a second one, then raise
> one of your fingers Android can detect a finger has been raised, but
> does not know which one)
> API Level 8 supports multiple distinguishable touch points (up to 256
> I believe)
>
> So yes from API level 5 onwards you can implement a Multi-Touch
> application on Android.
>
> On Jul 21, 9:16 pm, gizmor <[email protected]> wrote:
> > Hi,
> > I'm new to Android, and I love it!
> > I was wondering how many touch are possible at the same time?
> >
> > The user click and drag (move) and while he's dragging he clicks again
> > (Other finger) and drag it too..
> >
> > mmm, piano (multi touched) app... (with dragging)... is that possible?
> >
> > Thanks
>
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-- 
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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