protected override void HighlightRoutes()
{
var btnLt = _outer.FindViewById <Button> (Resource.Id.buttonLt);
var btnRt = _outer.FindViewById <Button> (Resource.Id.buttonRt);
btnRt.Enabled = _highlighedIndex != (_pointDrawingInfos.Count - 1);
btnLt.Enabled = _highlighedIndex != 0;
_routeLines.ForEach(x => x.Remove());
_routeLines.Clear();
_markers.ForEach(x => x.Remove());
_markers.Clear();
var mapPointText = _outer.FindViewById <Button> (MapPointTextId);
mapPointText.Text = _pointDrawingInfos [_highlighedIndex].Point.Name;
var map = _mapFragment.Map;
foreach (var pdi in _pointDrawingInfos)
{
// draw markers
MapPoint mPlace = pdi.Point;
var marker = new MarkerOptions();
if (pdi != _highlighedPoint)
{
marker.InvokeAlpha(0.5f);
}
marker.SetPosition(new LatLng(mPlace.Loc.Lat, mPlace.Loc.Lng));
marker.SetTitle(mPlace.Name);
_markers.Add(map.AddMarker(marker));
DrawPolyline(pdi.Polyline);
}
}