/// <summary>
/// Gets number of steps for current day
/// </summary>
/// <returns><c>true</c> if steps were successfully fetched, <c>false</c> otherwise</returns>
private async Task <bool> GetStepsAsync()
{
StepCounter stepCounter = null;
try
{
stepCounter = await StepCounter.GetDefaultAsync();
_steps = await stepCounter.GetStepCountForRangeAsync(
DateTime.Now.Date,
DateTime.Now - DateTime.Now.Date);
}
catch (Exception e)
{
_lastError = SenseHelper.GetSenseError(e.HResult);
return(false);
}
finally
{
if (stepCounter != null)
{
stepCounter.Dispose();
}
}
return(true);
}
/// <summary>
/// Gets number of steps for current day
/// </summary>
/// <returns><c>true</c> if steps were successfully fetched, <c>false</c> otherwise</returns>
private async Task <bool> GetStepsAsync()
{
// First try the pedometer
try
{
var readings = await Pedometer.GetSystemHistoryAsync(DateTime.Now.Date, DateTime.Now - DateTime.Now.Date);
_steps = StepCountData.FromPedometerReadings(readings);
return(true);
}
catch (Exception)
{
// Continue to the fallback
}
// Fall back to using Lumia Sensor Core.
StepCounter stepCounter = null;
try
{
stepCounter = await StepCounter.GetDefaultAsync();
StepCount count = await stepCounter.GetStepCountForRangeAsync(
DateTime.Now.Date,
DateTime.Now - DateTime.Now.Date);
_steps = StepCountData.FromLumiaStepCount(count);
}
catch (Exception e)
{
_lastError = SenseHelper.GetSenseError(e.HResult);
return(false);
}
finally
{
if (stepCounter != null)
{
stepCounter.Dispose();
}
}
return(true);
}
/// <summary>
/// Loads steps for the given day
/// </summary>
/// <param name="fetchDate">Date to fetch steps for</param>
/// <returns>List of step counts per data point interval for the given day</returns>
private async Task <Dictionary <DateTime, StepCount> > LoadDaySteps(DateTime fetchDate)
{
Dictionary <DateTime, StepCount> daySteps = new Dictionary <DateTime, StepCount>();
try
{
int totalMinutesPerDay = 24 * 60;
int dataPoints = totalMinutesPerDay / DataPointInterval;
for (int i = 0; i <= dataPoints; i++)
{
DateTime fetchFrom = fetchDate.Date + TimeSpan.FromMinutes(i * DataPointInterval);
if (fetchFrom > DateTime.Now)
{
break;
}
TimeSpan fetchRange = TimeSpan.FromMinutes(DataPointInterval);
if ((fetchFrom + fetchRange) > DateTime.Now)
{
fetchRange = DateTime.Now - fetchFrom;
}
StepCount stepCount = await _stepCounter.GetStepCountForRangeAsync(
fetchFrom,
fetchRange
);
if (stepCount != null)
{
daySteps.Add(fetchFrom, stepCount);
}
}
}
catch (Exception)
{
}
return(daySteps);
}
/// <summary>
/// Updates visualization
/// </summary>
private async Task UpdateScreenAsync()
{
// clear visual
ActivityPanel.Children.Clear();
TimePanel.Children.Clear();
//update labels
ZoomLabel.Text = "" + ZOOM_LEVELS[_currentZoomLevel] + " pixel(s)/minute";
DateLabel.Text = _iCurrentDate.ToString("dd/MM/yyyy", CultureInfo.InvariantCulture);
//update date selected
DateTime endDate = _iCurrentDate.AddDays(1);
if (_iCurrentDate.Date == DateTime.Now.Date)
{
endDate = DateTime.Now;
}
// Add time labels and steps(walking+running) count for each hour
for (int i = 0; i < 24; i++)
{
Grid timeBlock = new Grid();
StepCount stepCount = null;
// getting steps count
try
{
DateTime fromDate = _iCurrentDate + TimeSpan.FromHours(i);
TimeSpan queryLength = TimeSpan.FromHours(1);
if ((fromDate + queryLength) > endDate)
{
queryLength = endDate - fromDate;
}
stepCount = await _stepCounter.GetStepCountForRangeAsync(fromDate, queryLength);
}
catch (Exception)
{
}
//updating steps count for each hour in visualizer
TextBlock label = new TextBlock();
label.Height = ZOOM_LEVELS[_currentZoomLevel] * 60.0 * BASE_DRAW_SCALE;
label.FontSize = 14.0;
if (stepCount != null)
{
label.Text = String.Format(
"{0:00}:00\n{1}/{2}",
i,
stepCount.WalkingStepCount,
stepCount.RunningStepCount
);
}
else
{
label.Text = String.Format("{0:00}:00", i);
}
label.VerticalAlignment = Windows.UI.Xaml.VerticalAlignment.Top;
timeBlock.Children.Add(label);
//creating time(hour) intervel blocks
Rectangle divider = new Rectangle();
divider.Width = 200.0;
divider.Height = 0.5;
divider.Fill = new SolidColorBrush(Colors.Gray);
divider.VerticalAlignment = Windows.UI.Xaml.VerticalAlignment.Top;
timeBlock.Children.Add(divider);
TimePanel.Children.Add(timeBlock);
}
// Add activities for each hour in a day
IList <ActivityMonitorReading> activities = null;
if (await CallSenseApiAsync(async() =>
{
activities = await _activityMonitor.GetActivityHistoryAsync(_iCurrentDate, endDate - _iCurrentDate);
}))
{
if (activities.Count >= 2)
{
ActivityMonitorReading previousReading = activities[0];
// if first activity started few minutes after the day started then Add filler if needed
if (previousReading.Timestamp > _iCurrentDate)
{
AppendActivityBarBlock(Colors.Transparent, previousReading.Timestamp - _iCurrentDate);
}
// Add activities
for (int i = 1; i < activities.Count; i++)
{
ActivityMonitorReading reading = activities[i];
TimeSpan activityLength = reading.Timestamp - previousReading.Timestamp;
// if first activity started before the day started then cut off any excess
if (previousReading.Timestamp < _iCurrentDate)
{
activityLength -= (_iCurrentDate - previousReading.Timestamp);
}
AppendActivityBarBlock(ACTIVITY_COLORS[previousReading.Mode], activityLength);
previousReading = reading;
}
// Show also current activity
AppendActivityBarBlock(ACTIVITY_COLORS[previousReading.Mode], endDate - previousReading.Timestamp);
}
// Scroll to present/current time
ActivityScroller.UpdateLayout();
double scrollTo = (ZOOM_LEVELS[_currentZoomLevel] * (endDate - _iCurrentDate).TotalMinutes * BASE_DRAW_SCALE) - 400.0;
if (scrollTo < 0.0)
{
scrollTo = 0.0;
}
ActivityScroller.ChangeView(null, scrollTo, null);
}
else
{
MessageDialog dlg = new MessageDialog("Failed to fetch activities");
await dlg.ShowAsync();
}
}
