Each of those is possible. Going through the front door channel might
invoke more resistance as it would then be a kind-of official reply. I
was hoping s/he might be on this list.
I'm also betting that someone here knows the answer.
/J
On 09/02/2012 02:49 PM, Kristopher Micinski wrote:
Jeff,
In the worst case scenario, you could just disassemble the app and
reverse engineer it...
In the best case scenario you should email the developer and ask him
how he's doing it, citing your research as why you need it (providing
proof you won't rip off his app, presumably)..
kris
On Sun, Sep 2, 2012 at 4:02 PM, Jeffrey Peacock <[email protected]> wrote:
I am involved in a project to use camera enabled Android devices to detect
cosmic ray events (
http://www.distributedsensorweb.org/wiki/index.php/DECO). It is enjoying
some modest funding from the American Physics Society and interest from
Fermi Labs and Standford Univ.
The intent of the app is to run while the phone is plugged in and charging,
like while the user is sleeping. As such the shutter sound must be
defeated. In fact, even if you were running it on your desk while working
the shutter sound is so annoying as to inspire you to reach for a hammer.
For most phones we have been able to make use of the mechanisms seen in
previous posts: mute streams and/or set volume to 0. However, for a recent
phone, the LG Optimus Elite (were using low cost Virgin Mobile devices as
some of the test devices to reduce costs), none of the old tricks work: the
shutter sound always plays. BUT!!! I can download a camera app from the
Google Play -- aptly named SilentCamera -- which will take pictures, well,
silently. And whatever solution it is employing is not using the
MODIFY_AUDIO_SETTINGS permission.
I have already burned several hours researching and trying a variety of
things. As I've indicated I have tried muting and setting volume to 0 for
all streams, just before the camera.takePicture() call. And have tried to
do the same in onShutter(). What I have learned is (according to the logs)
that the camera is playing the shutter sound BEFORE the onShutter() call.
Obviously, I am hoping someone on the list can help.
Thanks.
/J
Note: The LG Optimus Elite is running 2.3.7
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