await MySensorCoreHelper.CallSensorcoreApiAsync(async () =>
{
    if (await TrackPointMonitor.IsSupportedAsync())
    {
        _pointTracker = await TrackPointMonitor.GetDefaultAsync();

        var actuelle = await _pointTracker.GetPointAtAsync(DateTimeOffset.Now);

        Debug.WriteLine("Position actuelle {0} , rayon {1}, dure {2}, heure {3}", actuelle.Position, actuelle.Radius, actuelle.LengthOfStay, actuelle.Timestamp);

        var hier = await _pointTracker.GetTrackPointsAsync(DateTimeOffset.Now.Date.AddDays(-1), TimeSpan.FromDays(1));

        Debug.WriteLine("Lieux visits hier : ");

        foreach (var reading in hier)
        {
            Debug.WriteLine("Position {0} , rayon {1}, dure {2}, heure {3}", reading.Position, reading.Radius, reading.LengthOfStay, reading.Timestamp);
        }
    }
});