private void OnMapElementClick(MapControl sender, MapElementClickEventArgs args)
{
var mapIcon = args.MapElements.FirstOrDefault(x => x is MapIcon) as MapIcon;
if (mapIcon != null)
{
if (xamarinOverlayShown)
{
nativeMap.Children.Remove(mapOverlay);
xamarinOverlayShown = false;
}
var customPin = GetCustomPin(mapIcon.Location.Position);
if (customPin == null)
{
throw new Exception("Custom pin not found");
}
mapOverlay = new XamarinMapOverlay(customPin);
var snPosition = new BasicGeoposition {
Latitude = customPin.Position.Latitude, Longitude = customPin.Position.Longitude
};
var snPoint = new Geopoint(snPosition);
nativeMap.Children.Add(mapOverlay);
MapControl.SetLocation(mapOverlay, snPoint);
MapControl.SetNormalizedAnchorPoint(mapOverlay, new Windows.Foundation.Point(0.5, 1.0));
xamarinOverlayShown = true;
}
}
private void OnMapElementClick(MapControl sender, MapElementClickEventArgs args)
{
var mapIcon = args.MapElements.FirstOrDefault(x => x is MapIcon) as MapIcon;
if (mapIcon != null)
{
var customPin = GetCustomPin(mapIcon.Location.Position);
if (customPin == null)
{
throw new Exception("Custom pin not found");
}
_mapOverlay = new XamarinMapOverlay(customPin);
var xamarinMapOverlays = _nativeMap.Children.Where(o => o is XamarinMapOverlay);
// Remove shown XamarinMapOverlay
foreach (var xamarinMapOverlay in xamarinMapOverlays)
{
_nativeMap.Children.Remove(xamarinMapOverlay);
}
var snPosition = new BasicGeoposition {
Latitude = customPin.Pin.Position.Latitude, Longitude = customPin.Pin.Position.Longitude
};
var snPoint = new Geopoint(snPosition);
_nativeMap.Children.Add(_mapOverlay);
MapControl.SetLocation(_mapOverlay, snPoint);
MapControl.SetNormalizedAnchorPoint(_mapOverlay, new Windows.Foundation.Point(0.5, 1.0));
}
}
protected override void OnElementChanged(ElementChangedEventArgs <Map> e)
{
base.OnElementChanged(e);
if (e.OldElement != null)
{
nativeMap.MapElementClick -= OnMapElementClick;
nativeMap.Children.Clear();
mapOverlay = null;
nativeMap = null;
}
if (e.NewElement != null)
{
var formsMap = (CustomMap)e.NewElement;
nativeMap = Control as MapControl;
customPins = formsMap.CustomPins;
nativeMap.Children.Clear();
nativeMap.MapElementClick += OnMapElementClick;
var coordinates = new List <BasicGeoposition>();
foreach (var position in formsMap.RouteCoordinates)
{
coordinates.Add(new BasicGeoposition {
Latitude = position.Latitude, Longitude = position.Longitude
});
}
var polyline = new MapPolyline
{
StrokeColor = Windows.UI.Color.FromArgb(128, 255, 0, 0),
StrokeThickness = 5,
Path = new Geopath(coordinates)
};
nativeMap.MapElements.Add(polyline);
foreach (var pin in customPins)
{
var snPosition = new BasicGeoposition {
Latitude = pin.Pin.Position.Latitude, Longitude = pin.Pin.Position.Longitude
};
var snPoint = new Geopoint(snPosition);
var mapIcon = new MapIcon
{
Image = RandomAccessStreamReference.CreateFromUri(new Uri("ms-appx:///Assets/Images/pin.png")),
CollisionBehaviorDesired = MapElementCollisionBehavior.RemainVisible,
Location = snPoint,
NormalizedAnchorPoint = new Windows.Foundation.Point(0.5, 1.0)
};
nativeMap.MapElements.Add(mapIcon);
}
}
}
protected override void OnElementChanged(ElementChangedEventArgs <Map> e)
{
base.OnElementChanged(e);
if (e.OldElement != null)
{
nativeMap.MapElementClick -= OnMapElementClick;
nativeMap.Children.Clear();
mapOverlay = null;
nativeMap = null;
}
if (e.NewElement != null)
{
var formsMap = (CustomMap)e.NewElement;
nativeMap = Control as MapControl;
nativeMap.MapElementClick += OnMapElementClick;
formsMap.CustomPinsUpdated += (s, eventArgs) =>
{
nativeMap.Children.Clear();
customPins = formsMap.CustomPins;
foreach (var pin in customPins)
{
var snPosition = new BasicGeoposition {
Latitude = pin.Position.Latitude, Longitude = pin.Position.Longitude
};
var snPoint = new Geopoint(snPosition);
var mapIcon = new MapIcon();
mapIcon.Image = RandomAccessStreamReference.CreateFromUri(new Uri("ms-appx:///pin.png"));
mapIcon.CollisionBehaviorDesired = MapElementCollisionBehavior.RemainVisible;
mapIcon.Location = snPoint;
mapIcon.NormalizedAnchorPoint = new Windows.Foundation.Point(0.5, 1.0);
nativeMap.MapElements.Add(mapIcon);
}
};
}
}
