private void HandleTimeout(object state)
{
if (state != null && (bool)state)
{
this.tcs.TrySetCanceled();
}
if (this.bestPosition != null)
{
this.tcs.TrySetResult(GeolocatorImplementation.GetPosition(this.bestPosition));
}
else
{
this.tcs.TrySetCanceled();
}
}
private void WatcherOnPositionChanged(object sender, GeoPositionChangedEventArgs <GeoCoordinate> e)
{
if (e.Position.Location.IsUnknown)
{
return;
}
bool isRecent = (e.Position.Timestamp - this.start).TotalMilliseconds < this.timeout;
if (e.Position.Location.HorizontalAccuracy <= this.desiredAccuracy && isRecent)
{
this.tcs.TrySetResult(GeolocatorImplementation.GetPosition(e.Position));
}
if (this.bestPosition == null || e.Position.Location.HorizontalAccuracy < this.bestPosition.Location.HorizontalAccuracy)
{
this.bestPosition = e.Position;
}
}
