On 1 oct, 17:23, "Romain Guy" <[EMAIL PROTECTED]> wrote:
> First of all,JNIis not used in our apps. Only in the framework.
> Then, we are working on a native SDK that will provide official and
> correct support forJNI. Just be patient :)
This is very good news for games developers!
We're working on Augmented Reality games with real time image analysis
not doable inside a VM.
We'll be glad to port it on the Android platform.
How long will we have to wait for this native SDK?
>
> On Wed, Oct 1, 2008 at 2:53 AM, MrSnowflake <[EMAIL PROTECTED]> wrote:
>
> > I believeJNIis not supported for developers, because 1: It would
> > require developers to build libs for every different android platform
> > out and 2: While Google (probably) usesJNI, they can just change the
> >JNIinterface and fix their code, but say if youJNIable program
> > works on SDK 1.0r1 and then suddenly, when r2 gets released (and
> > Google changed theJNI) your program wouldn't work anymore. This is
> > something google really wants to avoid.
>
> > On 1 okt, 11:42, Tauno T <[EMAIL PROTECTED]> wrote:
> >> Oh, sorry, I misunderstood you there :)
>
> >> On Oct 1, 12:37 pm, Volker Gropp <[EMAIL PROTECTED]> wrote:
>
> >> > Hi,
>
> >> > you may call it unfair of course. But please keep in mind, they did
> >> > not tell us that they use it in their apps. But they use it in their
> >> > API to delegate calls to native libs.
>
> >> > Regards
> >> > Volker
>
> >> > On Oct 1, 11:18 am, Tauno T <[EMAIL PROTECTED]> wrote:
>
> >> > > Isn't it a little .. how do I say it.. unfair to tell us thatJNIis
> >> > > not supported at all and then use it in their own apps to make them
> >> > > better and give them more features than are available to the rest of
> >> > > the developers?
>
> >> > > On Oct 1, 11:49 am, Volker Gropp <[EMAIL PROTECTED]> wrote:
>
> >> > > > Hi Ranjeet,
>
> >> > > > although I'm not the Android Dev Team i can tell you what ive been
> >> > > > told last weeks about this topic:JNIis currently not supported in
> >> > > > SDK 1.0. The reason is not quite clear, some say cause it may not
> >> > > > work
> >> > > > at all, or may break in the (near) future. Plus your app wont be
> >> > > > portable and needs special versions for every hw platform. Actually i
> >> > > > bet Android Dev Team will just tell you: "native libs andJNIis not
> >> > > > supported!".
>
> >> > > > On the other handJNIis working and Android uses it internally a lot
> >> > > > [google talks]. But you may have problems to link against the
> >> > > > stripped
> >> > > > down libc they are using, or may run into other problems you cannot
> >> > > > resolve. Plus please keep in mind there is no real solution to deploy
> >> > > > your app on real phones, because /system/lib is read only. You might
> >> > > > add your .so into the apk as a raw resource and extract it into your
> >> > > > app writable directory under /data. Loading the .so works for me
> >> > > > using
> >> > > > System.load(). But this way the .so is stored on your phone in 2
> >> > > > locations, using a lot unnecessary space.
>
> >> > > > Currently for a real world app on real phones i would'nt useJNIand
> >> > > > native libs at all due to those problems. Either wait forJNIsupport
> >> > > > in future SDK versions or port your library to Java.
>
> >> > > > Regards
> >> > > > Volker
>
> >> > > > On Oct 1, 4:02 am, Ranjeet <[EMAIL PROTECTED]> wrote:
>
> >> > > > > Dear Android Dev Team,
>
> >> > > > > My apologies if I am asking a question that's already been
> >> > > > > answered.
> >> > > > > Unfortunately I haven't been able to find any documentation within
> >> > > > > Android's reference that officially states Google's position on
> >> > > > > usage
> >> > > > > ofJNI/SharedObjects (written in C++ and compiled via a cross
> >> > > > > compiler) from within Java ui code. To clarify what I am trying to
> >> > > > > accomplish, we are building an application with the user interface
> >> > > > > completely written using the java/android classes/controls and it
> >> > > > > would use the shared library thats written in C++. There is just so
> >> > > > > much effort gone in to making that library that it would be a LOT
> >> > > > > of
> >> > > > > effort on our side rewriting it in Java. The library connects to
> >> > > > > our
> >> > > > > backend web server to fetch XML files over HTTP, stores some of the
> >> > > > > information from it on disk in files, and exposes the features via
> >> > > > > methods.
>
> >> > > > > Is this currently "officially supported" in Android(I have seen
> >> > > > > hello
> >> > > > > world C++ apps that run on the emulator with some security/chmod
> >> > > > > tweaks).
> >> > > > > Any information is sincerely appreciated.
>
> >> > > > > Thanks,
> >> > > > > -Ranjeet
>
> --
> Romain Guywww.curious-creature.org
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