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On 2/26/09, benmccann wrote:
>
>
> >> each application has its own private data directory /
> >> data/app-private/app-package. I believe your working directory is set
> >> to this directory by default
>
> Cool. So it sounds like I should just be able to use a relative path
> from the current location then. Unfortunately, I'm getting the
> following exception (with no clues as to why start is failing):
>
> 02-26 14:34:55.132: ERROR/AndroidRuntime(164):
> java.lang.RuntimeException: start failed.
> 02-26 14:34:55.132: ERROR/AndroidRuntime(164): at
> android.media.MediaRecorder.start(Native Method)
>
>
> Here's my code:
>
>final MediaRecorder recorder = new MediaRecorder();
>recorder.setAudioSource(MediaRecorder.AudioSource.MIC);
>recorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
>recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
>recorder.setOutputFile("test.3gpp");
>recorder.prepare();
>recorder.start();
>
>
>
> On Feb 26, 12:14 am, Dave Sparks wrote:
> > You can get the path to external storage (e.g. SD card) with
> > Environment.getExternalStorageDirectory(). This is world read/
> > writable.
> >
> > Alternatively, each application has its own private data directory /
> > data/app-private/app-package. I believe your working directory is set
> > to this directory by default. This is onboard flash, so it will
> > survive the user ejecting an SD card. However, there is a limited
> > amount to go around, so you don't want to store monster media files
> > there.
> >
> > On Feb 25, 9:22 pm, benmccann wrote:
> >
> > > >> setOutputFile() expects a path to where you want the file stored.
> >
> > > Yep, figured that much by the method name, but what's a valid path? I
> > > mean I'm figuring it's UNIX-like, but other than that I'm in the
> > > dark. Is there a preferred place for apps to store data? Are there
> > > certain directories that I have permission to write to? What
> > > directories exist on the device by default? It'd be nice for the docs
> > > on data storage to mention any of these things:
> http://developer.android.com/guide/topics/data/data-storage.html
> >
> > > >> You can take a look at the source to SoundRecorder in the open
> source tree for some working code
> >
> > > Thanks for the example. This would be a much better example than the
> > > one in the docs that won't compile and implies content must first be
> > > added to a database:
> http://developer.android.com/guide/topics/media/index.html
> >
> > > On Feb 24, 8:03 pm, Dave Sparks wrote:
> >
> > > > setOutputFile() expects a path to where you want the file stored.
> >
> > > > You can take a look at the source to SoundRecorder in the open source
> > > > tree for some working code:
> >
> > > >
> http://android.git.kernel.org/?p=platform/packages/apps/SoundRecorder...
> >
> > > > On Feb 24, 4:43 pm, benmccann wrote:
> >
> > > > > Hi,
> > > > > I'd like to create anaudiorecordingin Android. (Actually, I just
> > > > > want access to the mic withoutrecordingit, but it seems that's not
> > > > > supported so I'll have to create arecordingand tail the file).
> > > > > I'm having a very hard time getting started. Mostly I'm just
> hoping
> > > > > that someone from Google reads this and will update the
> documentation
> > > > > because the example won't compile - it looks like it's from some
> > > > > previous version of the SDK because there's an error in every other
> > > > > line. I made my best guess as to what the usage should be, but I
> keep
> > > > > getting a number of different exceptions.
> > > > > One question I had is whether I can just specify an arbitrary path
> to
> > > > > the MediaRecorder to startrecordingor whether I have to create an
> > > > > entry in the content database. The JavaDoc for
> > > > > MediaRecorder.setOutputFile isn't clear on what it's expecting.
> >
> > > > > Thanks,
> > > > > Ben
> >
>
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