Disregard this, it is a duplicate of an earlier post --
http://groups.google.com/group/android-developers/browse_thread/thread/e1a67f197173abb5#
On Mar 30, 3:50 pm, iconnary <iconn...@gmail.com> wrote:
> On my T-Mobile G1 (firmware 1.1, build PLAT-RC33), developing in
> SDK1.1r1, I am experiencing a problem where playing sounds causes the
> output of the accelerometer and orientation sensors to fluctuate
> wildly. The degree of fluctuation is directly proportional to the
> volume of the sound being played.
>
> I am using SensorManager per the documentation and examples :
>
> <========= From my implementation of SensorListener>
> public void init() {
> SensorManager sm = (SensorManager) cx..getSystemService
> (Context.SENSOR_SERVICE);
> boolean success = sm.registerListener(this,
> SensorManager.SENSOR_ORIENTATION,
> SensorManager.SENSOR_DELAY_GAME);
> // success is true, i.e. no problems acquiring the sensor
>
> }
>
> public void onSensorChanged(int sensor, float[] values) {
> if (sensor == SensorManager.SENSOR_ORIENTATION) {
> // print/draw/do something with the sensor output in values
> []
> }}
>
> <==========>
>
> I have tried playing sounds with both SoundPool and MediaPlayer, with
> identical results. When a sample is played at max volume the
> Orientation sensor outputs will bounce around as much as +-/30
> degrees. All axes are affected.
>
> I have tested and confirmed this behaviour for SENSOR_ACCELEROMETER,
> SENSOR_ORIENTATION, and SENSOR_ORIENTATION_RAW. Other sensors may
> also be impacted, but I haven't tested them.
>
> I have also tested with all of the available sensor resolutions --
> SENSOR_DELAY_FASTEST through SENSOR_DELAY_UI. All result in the same
> behavior.
>
> On a random guess I tried muting the microphone with
> AudioManager.setMicrophoneMute(true) -- same results.
>
> I thought to try testing this in the Android emulator to see if it
> might be hardware-related, but unfortunately there is currently no
> accelerometer/orientation sensor support in the emulator.
>
> Is this a known problem? Or am I doing something wrong here?
>
> Thanks
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