I've sufficiently understood about the reason not to support third
party libraries.
Goolgle apis as regular sharing libraries can add on %ANDROID_HOME%/
add-on and then Android Applications can use that libraries.
Like this, could I add my sharing library on %ANDROID_HOME%/add-on
directory? If I can't use the way, how can I share my library?

  Actually, I'd like to add my library on framework directory and then
edit platform.xml to use my library as a sharing library,
but because I just use Android Application Framework API, to make my
library, I thought I don't need to add my library on framework

On 8월27일, 오후2시31분, Dianne Hackborn <hack...@android.com> wrote:
> If you are creating your own device, you can have your own shared libraries
> that are separate from the framework.  We don't support third party shared
> libraries mostly because we really don't want to get into dll hell and
> library versioning and such at this point.
>
> 2009/8/26 Mac <xosk...@gmail.com>
>
>
>
>
>
>
>
> >  Thanks, Dianne Hackborn.
>
> > Could I think the reason that can't support sharing third party
> > libraries is that all applications are on each Dalvik VM?
>
> > And there's any way to share a regular library(.jar) without putting
> > the library on application framework layer?
>
> > On 8월27일, 오후12시17분, Dianne Hackborn <hack...@android.com> wrote:
> > > 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.
>
> --
> 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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