Programs or users?  Yes users will generally be able to root their phone,
and I wouldn't assume they can't.  If you want to protected your data from
the phone's user, you are in for a world of hurt.  If you just want to
protect it from other apps, filesystem permissions for the vast majority of
people should be fine -- they give you the same amount of protection as two
different non-super-users logging into a Linux machine would have from each
other.  (Which should be complete protection, and anything that allows them
to get around that is a major hole that needs to be fixed.)

On Thu, Sep 3, 2009 at 6:29 AM, Chris Stratton <[email protected]> wrote:

>
> On Sep 2, 9:50 pm, "Mark Murphy" <[email protected]> wrote:
> > > so is that directory protected from other apps
> >
> > Yes. By default, all files there will be private to your application.
>
> Assuming that there are no unanticipated programs running as root...
> which historically is not a good assumption at all.
>
> If it's on the device, someone who really wants to is going to be able
> to read it.
>
> >
>


-- 
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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