private async void AddBandSensor <T>(IBandSensor <T> sensor,
string measurename,
string unitofmeasure,
EventHandler <BandSensorReadingEventArgs <T> > ValueChangedEventHandler) where T : IBandSensorReading
{
// check current user consent for accessing Band sensor
if (sensor.GetCurrentUserConsent() != UserConsent.Granted)
{
// user hasn’t consented, request consent
await sensor.RequestUserConsentAsync();
if (sensor.GetCurrentUserConsent() != UserConsent.Granted)
{
return;
}
}
// User granted consent
// Add Sensor to ConnectTheDots Helper
CTD.AddSensor(measurename, unitofmeasure);
// hook up to the Sensor ReadingChanged event
IEnumerable <TimeSpan> supportedHeartRateReportingIntervals = sensor.SupportedReportingIntervals;
sensor.ReportingInterval = supportedHeartRateReportingIntervals.First <TimeSpan>();
sensor.ReadingChanged += ValueChangedEventHandler;
// start reading from the sensor
await sensor.StartReadingsAsync();
}
public async Task <IObservable <BandSensorReadingEventArgs <T> > > GetSensorStream <T>(IBandSensor <T> manager) where T : IBandSensorReading
{
var consent = manager.GetCurrentUserConsent();
if (consent != UserConsent.Granted)
{
await manager.RequestUserConsentAsync();
}
var supportedIntervals = manager.SupportedReportingIntervals;
manager.ReportingInterval = supportedIntervals.First();
var stream = CreateObservableFromSensorEvent <T>(manager);
return(stream);
}
public static async Task SetupSensorReadingAsync <T>(IBandSensor <T> bandSensor,
EventHandler <BandSensorReadingEventArgs <T> > cb)
where T : IBandSensorReading
{
var uc = bandSensor.GetCurrentUserConsent();
bool isConsented = false;
if (uc == UserConsent.NotSpecified)
{
isConsented = await bandSensor.RequestUserConsentAsync();
}
if (isConsented || uc == UserConsent.Granted)
{
bandSensor.ReadingChanged += cb;
await bandSensor.StartReadingsAsync();
}
}
public async Task StartSensor <T>(IBandClient bandClient, IBandSensor <T> sensor,
Action <BandSensorReadingEventArgs <T> > action) where T : IBandSensorReading
{
var uc = sensor.GetCurrentUserConsent();
bool isConsented = false;
if (uc == UserConsent.NotSpecified)
{
isConsented = await sensor.RequestUserConsentAsync();
}
if (isConsented || uc == UserConsent.Granted)
{
sensor.ReadingChanged += async(obj, ev) =>
{
await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () => action(ev));
};
await sensor.StartReadingsAsync();
}
}
private async Task <bool> GetUserConsentAsync <T>(IBandSensor <T> sensor) where T : IBandSensorReading
{
bool granted = false;
switch (sensor.GetCurrentUserConsent())
{
case UserConsent.NotSpecified:
granted = await sensor.RequestUserConsentAsync();
break;
case UserConsent.Granted:
granted = true;
break;
case UserConsent.Declined:
granted = false;
break;
}
return(granted);
}
public async Task <int> SetupSensor <T>(IBandSensor <T> sensor, int timeout, int value) where T : IBandSensorReading
{
var bandClient = await TestUtils.GetBandClientAsync();
var uc = sensor.GetCurrentUserConsent();
bool isConsented = false;
if (uc == UserConsent.NotSpecified)
{
isConsented = await sensor.RequestUserConsentAsync();
}
var tcs = new TaskCompletionSource <int>();
if (isConsented || uc == UserConsent.Granted)
{
sensor.ReadingChanged += (obj, ev) =>
{
// Set arbitrary result value
if (tcs.Task.Status != TaskStatus.RanToCompletion && tcs.Task.Status != TaskStatus.Faulted)
{
tcs.SetResult(5858);
}
};
await sensor.StartReadingsAsync();
}
try
{
await tcs.Task.TimeoutAfter(timeout);
}
finally
{
await sensor.StopReadingsAsync();
}
return(tcs.Task.Result);
}
private async Task <IObservable <BandSensorReadingEventArgs <T> > > GetSensorStream <T>(IBandSensor <T> bandSensor)
where T : IBandSensorReading
{
if (!this.IsConnected || !bandSensor.IsSupported)
{
return(null);
}
var consent = bandSensor.GetCurrentUserConsent();
if (consent != UserConsent.Granted)
{
await bandSensor.RequestUserConsentAsync();
}
var supportedIntervals = bandSensor.SupportedReportingIntervals;
bandSensor.ReportingInterval = supportedIntervals.First();
var stream = CreateObservableFromSensorEvent(bandSensor);
return(stream);
}