コード例 #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;

                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();
                    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);
                }
            }
        }
コード例 #2
-1
        private void OnMapElementClick(MapControl sender, MapElementClickEventArgs args)
        {
            var mapIcon = args.MapElements.FirstOrDefault(x => x is MapIcon) as MapIcon;
            if (mapIcon != null)
            {
                if (!xamarinOverlayShown)
                {
                    var customPin = GetCustomPin(mapIcon.Location.Position);
                    if (customPin == null)
                    {
                        throw new Exception("Custom pin not found");
                    }

                    if (customPin.Id == "Xamarin")
                    {
                        if (mapOverlay == null)
                        {
                            mapOverlay = new XamarinMapOverlay(customPin);
                        }

                        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));
                        xamarinOverlayShown = true;
                    }
                }
                else
                {
                    nativeMap.Children.Remove(mapOverlay);
                    xamarinOverlayShown = false;
                }
            }
        }