//assumes the band is connected
public async Task <int> getGSR(TestMeViewModel b, int sec)
{
Activity activity = Droid.MainActivity.instance;
_contactSensor.StartReadings();
while (_bandState == null)
{
}
if (_bandState != BandContactState.Worn)
{
_bandState = null;
return(-1);
}
_gsrDone = false;
_gsrReadings.Clear();
b.GsrList = "#";
_gsrSensor.StartReadings();
await Task.Delay(sec * 1000);
_gsrDone = true;
_contactSensor.StopReadings();
return(0);
}
private async void OnToggleSensorSection(object sender, CompoundButton.CheckedChangeEventArgs e)
{
if (!Model.Instance.Connected)
{
return;
}
EnsureSensorsCreated();
Switch sw = (Switch)sender;
TableLayout table = mSensorMap[sw];
if (e.IsChecked)
{
table.Visibility = ViewStates.Visible;
if (table == mTableAccelerometer)
{
mRadioGroupAccelerometer.Enabled = false;
SetChildrenEnabled(mRadioGroupAccelerometer, false);
}
else if (table == mTableGyro)
{
mRadioGroupGyro.Enabled = false;
SetChildrenEnabled(mRadioGroupGyro, false);
}
// Turn on the appropriate sensor
try
{
if (sw == mSwitchAccelerometer)
{
SampleRate rate;
if (mRadioAcc16.Checked)
{
rate = SampleRate.Ms16;
}
else if (mRadioAcc32.Checked)
{
rate = SampleRate.Ms32;
}
else
{
rate = SampleRate.Ms128;
}
mTextAccX.Text = "";
mTextAccY.Text = "";
mTextAccZ.Text = "";
accelerometerSensor.StartReadings(rate);
}
else if (sw == mSwitchGyro)
{
SampleRate rate;
if (mRadioGyro16.Checked)
{
rate = SampleRate.Ms16;
}
else if (mRadioGyro32.Checked)
{
rate = SampleRate.Ms32;
}
else
{
rate = SampleRate.Ms128;
}
mTextGyroAccX.Text = "";
mTextGyroAccY.Text = "";
mTextGyroAccZ.Text = "";
mTextGyroAngX.Text = "";
mTextGyroAngY.Text = "";
mTextGyroAngZ.Text = "";
gyroscopeSensor.StartReadings(rate);
}
else if (sw == mSwitchDistance)
{
mTextTotalDistance.Text = "";
mTextSpeed.Text = "";
mTextPace.Text = "";
mTextPedometerMode.Text = "";
distanceSensor.StartReadings();
}
else if (sw == mSwitchHeartRate)
{
var sensorMngr = Model.Instance.Client.SensorManager;
if (await sensorMngr.RequestHeartRateConsentTaskAsync(Activity))
{
mTextHeartRate.Text = "";
mTextHeartRateQuality.Text = "";
heartRateSensor.StartReadings();
}
else
{
Util.ShowExceptionAlert(Activity, "Start heart rate sensor", new Exception("User declined permission."));
mSwitchHeartRate.Checked = false;
}
}
else if (sw == mSwitchContact)
{
mTextContact.Text = "";
contactSensor.StartReadings();
}
else if (sw == mSwitchSkinTemperature)
{
mTextSkinTemperature.Text = "";
skinTemperatureSensor.StartReadings();
}
else if (sw == mSwitchUltraviolet)
{
mTextUltraviolet.Text = "";
uvSensor.StartReadings();
}
else if (sw == mSwitchPedometer)
{
mTextTotalSteps.Text = "";
pedometerSensor.StartReadings();
}
else if (sw == mSwitchAltimeter)
{
mTextFlightsAscended.Text = "";
mTextFlightsDescended.Text = "";
mTextRate.Text = "";
mTextSteppingGain.Text = "";
mTextSteppingLoss.Text = "";
mTextStepsAscended.Text = "";
mTextStepsDescended.Text = "";
mTextTotalGain.Text = "";
mTextTotalLoss.Text = "";
altimeterSensor.StartReadings();
}
else if (sw == mSwitchAmbientLight)
{
mTextBrightness.Text = "";
ambientLightSensor.StartReadings();
}
else if (sw == mSwitchBarometer)
{
mTextAirPressure.Text = "";
mTextTemperature.Text = "";
barometerSensor.StartReadings();
}
else if (sw == mSwitchCalories)
{
mTextCalories.Text = "";
caloriesSensor.StartReadings();
}
else if (sw == mSwitchGsr)
{
mTextResistance.Text = "";
gsrSensor.StartReadings();
}
else if (sw == mSwitchRRInterval)
{
var sensorMngr = Model.Instance.Client.SensorManager;
if (await sensorMngr.RequestHeartRateConsentTaskAsync(Activity))
{
mTextInterval.Text = "";
rrIntervalSensor.StartReadings();
}
else
{
Util.ShowExceptionAlert(Activity, "Start rr interval sensor", new Exception("User declined permission."));
mSwitchRRInterval.Checked = false;
}
}
}
catch (BandException ex)
{
Util.ShowExceptionAlert(Activity, "Register sensor listener", ex);
}
}
else
{
table.Visibility = ViewStates.Gone;
if (table == mTableAccelerometer)
{
mRadioGroupAccelerometer.Enabled = true;
SetChildrenEnabled(mRadioGroupAccelerometer, true);
}
else if (table == mTableGyro)
{
mRadioGroupGyro.Enabled = true;
SetChildrenEnabled(mRadioGroupGyro, true);
}
// Turn off the appropriate sensor
try
{
if (sw == mSwitchAccelerometer)
{
accelerometerSensor.StopReadings();
}
else if (sw == mSwitchGyro)
{
gyroscopeSensor.StopReadings();
}
else if (sw == mSwitchDistance)
{
distanceSensor.StopReadings();
}
else if (sw == mSwitchHeartRate)
{
heartRateSensor.StopReadings();
}
else if (sw == mSwitchContact)
{
contactSensor.StopReadings();
}
else if (sw == mSwitchSkinTemperature)
{
skinTemperatureSensor.StopReadings();
}
else if (sw == mSwitchUltraviolet)
{
uvSensor.StopReadings();
}
else if (sw == mSwitchPedometer)
{
pedometerSensor.StopReadings();
}
else if (sw == mSwitchAltimeter)
{
altimeterSensor.StopReadings();
}
else if (sw == mSwitchAmbientLight)
{
ambientLightSensor.StopReadings();
}
else if (sw == mSwitchBarometer)
{
barometerSensor.StopReadings();
}
else if (sw == mSwitchCalories)
{
caloriesSensor.StopReadings();
}
else if (sw == mSwitchGsr)
{
gsrSensor.StopReadings();
}
else if (sw == mSwitchRRInterval)
{
rrIntervalSensor.StopReadings();
}
}
catch (BandException ex)
{
Util.ShowExceptionAlert(Activity, "Unregister sensor listener", ex);
}
}
}
public void InitSensors(TestMeViewModel b)
{
if (!_client.IsConnected)
{
return;
}
_hrSensor = _hrSensor ?? _client.SensorManager.CreateHeartRateSensor();
_gsrSensor = _gsrSensor ?? _client.SensorManager.CreateGsrSensor();
_rrSensor = _rrSensor ?? _client.SensorManager.CreateRRIntervalSensor();
_contactSensor = _contactSensor ?? _client.SensorManager.CreateContactSensor();
_distancerSensor = _distancerSensor ?? _client.SensorManager.CreateDistanceSensor();
if (_contactSensor == null || _hrSensor == null || _gsrSensor == null || _rrSensor == null || _distancerSensor == null)
{
return;
}
Activity activity = Droid.MainActivity.instance;
//register contact listener
_contactSensor.ReadingChanged += (sender, e) =>
{
var contactEvent = e.SensorReading;
_bandState = contactEvent.ContactState;
};
//register heart rate listener
_hrSensor.ReadingChanged += (sender, e) =>
{
activity.RunOnUiThread(() =>
{
var heartRateEvent = e.SensorReading;
//_hrReadings.Add(heartRateEvent.HeartRate);
if (heartRateEvent.Quality == HeartRateQuality.Locked)
{
_hrSensor.StopReadings();
_contactSensor.StopReadings();
// if (b != null) { b.HR = _hrReadings[_hrReadings.Count - 1]; } //update ViewModel
}
if (_bandState != BandContactState.Worn) //user took off the band while reading
{
_hrSensor.StopReadings();
_contactSensor.StopReadings();
_bandState = null;
return;
}
});
};
//register gsr listener
_gsrSensor.ReadingChanged += (sender, e) =>
{
activity.RunOnUiThread(() =>
{
var gsrEvent = e.SensorReading;
_gsrReadings.Add(gsrEvent.Resistance);
if (b != null)
{
b.GsrList = gsrEvent.Resistance.ToString();
}
if (_gsrDone)
{
_gsrSensor.StopReadings();
_contactSensor.StopReadings();
return;
}
});
};
//register RR Intervals listener
_rrSensor.ReadingChanged += (sender, e) =>
{
if (_bandState != BandContactState.Worn) //user took off the band while reading
{
_rrSensor.StopReadings();
_contactSensor.StopReadings();
_bandState = null;
b.StressResult = "Error: band is not worn.";
return;
}
var rrEvent = e.SensorReading;
_rrIntervalsReadings.Add(rrEvent.Interval);
};
_distancerSensor.ReadingChanged += (sender, e) =>
{
currentMotionTyp = e.SensorReading.MotionType;
_distancerSensor.StopReadings();
};
}