public IObservable <int> WhenReadingTaken()
=> this.observable ??= Observable.Create <int>(ob =>
{
var handler = new EventHandler <PedometerDataUpdatedEventArgs>((sender, args) =>
ob.OnNext((int)args.StepCount)
);
var sensor = new Pedometer
{
Interval = 1000
};
sensor.DataUpdated += handler;
sensor.Start();
return(() =>
{
sensor.Stop();
sensor.DataUpdated -= handler;
sensor.Dispose();
});
})
.Publish()
.RefCount();
/// <summary>
/// Stops receiving sensor data
/// </summary>
/// <remarks>
/// Reduce battery drain by stopping the sensor when it is not needed
/// </remarks>
public void Stop()
{
_sensor.Stop();
}
public void StopReading()
{
_pedometer.DataUpdated -= PedometerReadingChanged;
_pedometer.Stop();
}
/// <summary>
/// Stops sensor and unregisters the listener from a sensor
/// </summary>
/// <param name="listener">Event handler registered</param>
public void Stop(EventHandler <SensorEventArgs> listener)
{
sensor.Stop();
sensor.DataUpdated -= handler;
}