I meant "regular" as what we generally call a shared library in any OS.

A third party shared library is specifically talking about the (theoretical
not currently possible) case of putting a shared library as an .apk up on
market that could be installed by the system and used by other applications.

2009/8/26 Mac <xosk...@gmail.com>

>
>  Hello, Dianne Hackborn.
>
> I've read all of these mails and I understood most of them.
>
> But, I don't know one important point of these mails.
>
> I wonder what the difference of regular shared libraries and third
> party shared libraries.
>
> Could you tell me the difference for me?
>
>
> On 8월5일, 오후11시18분, Dianne Hackborn <hack...@android.com> wrote:
> > Yes, it is just a regular shared library.
> >
> >
> >
> >
> >
> > On Wed, Aug 5, 2009 at 7:03 AM, GiladH <gila...@gmail.com> wrote:
> >
> > > Dianne/anyone,
> >
> > > i would like to elaborate on the shared jar's memory model.
> > > my understanding is that:
> >
> > >  a. the code (read only) segment of the shared jar resides in common
> > >     memory => code will be loaded once regardless of the number of
> > > apps
> > >     using the shared jar
> > >  b. the data (read/write) segment of the shared jar is part of the
> > > calling
> > >     process'es address space => all static data (blocks, constructors
> > > etc.)
> > >     will be initialized _separately_ for each app using the shared
> > > jar
> >
> > > are my assumptions correct?
> >
> > > GiladH
> >
> > > On Jul 30, 7:31 pm, Dianne Hackborn <hack...@android.com> wrote:
> > > > That only applies if you are making your own device.
> >
> > > > On Thu, Jul 30, 2009 at 8:20 AM, GiladH <gila...@gmail.com> wrote:
> >
> > > > > tnx Dianne.
> > > > > after my post i have learned about the ability to 'inject' my
> shared
> > > > > library into open source Andro, as described in:
> >
> > > > >
> http://android.git.kernel.org/?p=platform/development.git;a=blob;f=sa.
> > > ..
> >
> > > > > i take it this option still stands (again - only for open source
> > > > > platform), right?
> >
> > > > > GiladH
> >
> > > > > On Jul 30, 5:04 pm, Dianne Hackborn <hack...@android.com> wrote:
> > > > > > Sorry, Android currently doesn't support third party shared
> > > libraries.
> >
> > > > > > On Thu, Jul 30, 2009 at 4:13 AM, GiladH <gila...@gmail.com>
> wrote:
> >
> > > > > > > hey,
> >
> > > > > > > i have several apps (each in its own apk, process etc)  running
> at
> > > the
> > > > > > > same time on user's device.
> >
> > > > > > > these apps are all linked to a single common jar file
> (internally
> > > > > > > devloped) which contains a large portion of their overall code
> > > size.
> >
> > > > > > > is there a way for me to force Andro to make this common jar
> load
> > > only
> > > > > > > once (e.g. into shared memory)?
> >
> > > > > > > the reason we want to do it this way, btw, are to reduction of
> each
> > > of
> > > > > > > the
> > > > > > > single apps memory intake, on disk footprint and possibly of
> their
> > > > > > > startup time.
> >
> > > > > > > your help will be appreciated.
> >
> > > > > > > tnx, GilkadH
> >
> > > > > > --
> > > > > > Dianne Hackborn
> > > > > > Android framework engineer
> > > > > > hack...@android.com
> >
> > > > > > 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.
> >
> > > > --
> > > > Dianne Hackborn
> > > > Android framework engineer
> > > > hack...@android.com
> >
> > > > 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.
> >
> > --
> > Dianne Hackborn
> > Android framework engineer
> > hack...@android.com
> >
> > 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.
> >
>


-- 
Dianne Hackborn
Android framework engineer
hack...@android.com

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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