public async Task UpdateMapAsync(LatLng userLocation)
{
if (userLocation != null)
{
await Task.Run(async() =>
{
// work out if map should be moved or only the markers
if (_oldUserLocation == null)
{
_oldUserLocation = userLocation;
}
var moveMap = MappingUtilities.ShouldMoveMap1(userLocation, _oldUserLocation, _eventLocation);
if (moveMap)
{
// update the old user location
_oldUserLocation = _currentUserLocation;
}
// Update the current user location
_currentUserLocation = userLocation;
// draw the map
await DrawMapAsync(moveMap);
});
}
}
public async void OnLocationChanged(object s, LocationChangedEventArgs e)
{
if (MappingUtilities.RemoveLocationJitter(e.CurrentLocation, e.LastLocation))
{
var userLocation = new LatLng(e.CurrentLocation.Latitude, e.CurrentLocation.Longitude);
await UpdateMapAsync(userLocation);
}
}
