At this point: no native code is supported in the SDK. Using it may result in your application breaking when an update to the phone is delivered. Using C++ APIs will definitely result in you breaking in the future.
Could this please be moved over to one of the open-source groups? Nothing we are talking about is part of the current SDK? Thanks. On Mon, Nov 24, 2008 at 11:51 AM, Dorn Hetzel <[EMAIL PROTECTED]> wrote: > > Dianne, > > Ok, well, can you tell me if using the C++ Audio Libraries is merely > unsupported, or is actually not possible due to the security model of > the currently deployed platform (G1) ? > > I mean, can I write most of my application in the standard SDK but use > one outside JNI/.so that is unsupported to do my audio bits, or will > that simply not work because I can't merge it with the SDK code and > sign it and upload it to market and download it to a phone and have it > work? > > Thanks! > > -Dorn > > On Mon, Nov 24, 2008 at 2:36 PM, Dianne Hackborn <[EMAIL PROTECTED]> > wrote: > > Sorry, at this point any native code is outside of the SDK. Using the > C++ > > audio libraries is way way way outside of the SDK. > > > > On Mon, Nov 24, 2008 at 6:05 AM, Dorn Hetzel <[EMAIL PROTECTED]> wrote: > >> > >> Dianne, > >> > >> Hmm, sorry, didn't realize I had gone off-topic. I still plan to > >> develop in the SDK. > >> > >> Is it possible use the SDK and still access one custom .so ? If so, > >> am I still off-topic? > >> > >> Regards, > >> > >> -Dorn > >> > >> On Sun, Nov 23, 2008 at 7:48 PM, Dianne Hackborn <[EMAIL PROTECTED]> > >> wrote: > >> > Could you please move this to android-platform or another of the open > >> > source > >> > groups? Thanks. > >> > > >> > On Sun, Nov 23, 2008 at 12:40 PM, Dorn Hetzel <[EMAIL PROTECTED]> > wrote: > >> >> > >> >> David, > >> >> > >> >> Thank you very very much for the tips. I've gotten as far as > >> >> downloading the android source code (onto a clean ubuntu VM I built > >> >> for the job) and doing an initial make (which generated quite a lot > of > >> >> whining level errors but seemed to complete ok). > >> >> > >> >> I'm so-so at Java but a pretty old hand at C/C++ so hopefully I will > >> >> be able to work through the remaining steps. Can you recommend any > >> >> other similar interface classes I could examine for general clues? > >> >> > >> >> Once I get all this done, will the .so in the .apk be able to go > >> >> through the marketplace and run on a real G1 or will I only be able > to > >> >> play with in on the emulator? > >> >> > >> >> In any case, I will write progress reports to the list and make the > >> >> code available to all if I succeed. > >> >> > >> >> Best Regards, > >> >> > >> >> Dorn Hetzel > >> >> > >> >> On Fri, Nov 21, 2008 at 8:23 PM, davidsparks davidsparks > >> >> <[EMAIL PROTECTED]> wrote: > >> >> > The native interface is called AudioRecord.h. You'll need to > download > >> >> > the > >> >> > Android source code, write a JNI interface to AudioRecord, build a > >> >> > .so > >> >> > library that you can include in your APK, write a Java wrapper > class > >> >> > for > >> >> > it, > >> >> > and then load the library from your Java wrapper. > >> >> > > >> >> > Hope that helps. > >> >> > > >> >> > Dave > >> >> > > >> >> > On Wed, Nov 19, 2008 at 11:22 AM, Dorn Hetzel <[EMAIL PROTECTED]> > >> >> > wrote: > >> >> >> > >> >> >> David, > >> >> >> > >> >> >> It looks like the MediaRecorder functionality is a non-start for > my > >> >> >> application since I need to process the audio as it is coming in, > >> >> >> not > >> >> >> some time later after the recording is complete. Can you provide > me > >> >> >> some clue as to where to find information on the native interface, > >> >> >> since I would rather be able to at least make some progress with > the > >> >> >> rest of my application while waiting for the next version. > Without > >> >> >> some alternative to MediaRecorder I will be simply unable to > >> >> >> proceed. > >> >> >> > >> >> >> Thanks! > >> >> >> > >> >> >> -Dorn > >> >> >> > >> >> >> On Wed, Nov 19, 2008 at 2:14 PM, [EMAIL PROTECTED] > >> >> >> <[EMAIL PROTECTED]> wrote: > >> >> >> > > >> >> >> > It is the only supported method in SDK 1.0. There is a native > >> >> >> > interface to audio input, but it will be changing in a future > >> >> >> > release > >> >> >> > and I strongly advise against using it. > >> >> >> > > >> >> >> > On Nov 19, 8:26 am, dorn <[EMAIL PROTECTED]> wrote: > >> >> >> >> Is the MediaRecorder the only method available to acquire audio > >> >> >> >> from > >> >> >> >> the microphone, or is there a lower level method available? > >> >> >> >> > >> >> >> >> On Nov 14, 4:59 pm, Dave Sparks <[EMAIL PROTECTED]> > wrote: > >> >> >> >> > >> >> >> >> > The MediaRecorder is currently hardcoded for AMR-NB and is > >> >> >> >> > intended > >> >> >> >> > for MMS messages. > >> >> >> >> > >> >> >> >> > You can expect improvements toaudiorecording in a future SDK. > >> >> >> >> > >> >> >> >> > On Nov 14, 12:26 pm, ste <[EMAIL PROTECTED]> wrote: > >> >> >> >> > >> >> >> >> > > I'm testing out the MediaRecorder'saudiorecording > capability, > >> >> >> >> > > and > >> >> >> >> > > the quality of theaudiowas less then I was expecting. It > was > >> >> >> >> > > significantly lower then the quality you get while speaking > >> >> >> >> > > on > >> >> >> >> > > the > >> >> >> >> > > phone, and sounded very digitized. > >> >> >> >> > > I've tested both the 3gpp and MPEG_4 encoding options, and > >> >> >> >> > > noticed > >> >> >> >> > > the > >> >> >> >> > > same quality. > >> >> >> >> > > Has anyone else noticed this, and is this an issue with the > >> >> >> >> > > phone's > >> >> >> >> > > hardware or the MediaRecorder's capabilities? If it's the > >> >> >> >> > > latter, > >> >> >> >> > > is > >> >> >> >> > > the quality of recording something which is planned to be > >> >> >> >> > > improved? > >> >> >> > >> > > >> >> >> > > >> >> > > >> >> > > >> >> > >> >> > >> > > >> > > >> > > >> > -- > >> > 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. All such questions should be posted on > public > >> > forums, where I and others can see and answer them. > >> > > >> > > >> > > > >> > > >> > >> > > > > > > > > -- > > 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. All such questions should be posted on public > > forums, where I and others can see and answer them. > > > > > > > > > > > > > -- 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. All such questions should be posted on public forums, where I and others can see and answer them. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. 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