On Jan 5, 10:19 pm, Dianne Hackborn <[email protected]> wrote:
> On Wed, Jan 5, 2011 at 7:07 PM, DulcetTone <[email protected]> wrote:
> > Is there no means by which you can tell whether a package installed on
> > the phone is burned in with the firmware (and hence immutable) versus
> > one that can be updated?
>
> ApplicationInfo.FLAG_SYSTEM.
>
> This doesn't really mean it is immutable; you can install an update to it if
> it is signed with the same cert (though the update is placed on the data
> partition like other third party apps, since /system is read only).

Ok... is this update then read and used instead of the original /
system copy?  I assume so.

>
> > On a similar line, why does Google ever put apps on the Market with
> > the same signature by which they are burned into some phones?  It
> > stunts updating terribly.  Indeed, why burn any apps on the phone as
> > opposed to make them super-easy to find in a dynamic manner?
>
> Huh?  You can update built-in apps, as per above.  This is how maps updates
> have been delivered for a long time, as well as Market updates (which you
> aren't generally aware of), more recently Gmail updates, etc.
>

This is not the case with my phones.  I suppose this must be a
consequence of the fact that their firmware was written to from a burn
station in Google's own offices here in Cambridge.   I cannot, for
instance, update Google Maps -- it downloads the update and fails to
install every time.

I assumed the issue extended to other users' phones.

tone

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