protected override void OnElementChanged(ElementChangedEventArgs <View> args)
{
SKMap oldMap = args.OldElement as SKMap;
SKMap newMap = args.NewElement as SKMap;
if (oldMap != null)
{
_NativeControl.OverlayRenderer = null;
_NativeControl.GetViewForAnnotation = null;
if (oldMap.MapOverlays != null)
{
oldMap.MapOverlays.CollectionChanged -= MapOverlaysCollectionChanged;
}
if (oldMap.Pins as ObservableCollection <Pin> != null)
{
((ObservableCollection <Pin>)oldMap.Pins).CollectionChanged -= PinsCollectionChanged;
}
UnregisterPinCallbacks(oldMap.Pins);
}
base.OnElementChanged(args);
if (newMap != null)
{
_NativeControl.OverlayRenderer = OverlayedMapDelegate.OverlayRenderer;
_NativeControl.GetViewForAnnotation = GetViewForPin;
if (_SharedControl?.MapOverlays != null)
{
_SharedControl.MapOverlays.CollectionChanged += MapOverlaysCollectionChanged;
SetupMapOverlays();
}
if (newMap.Pins as ObservableCollection <Pin> != null)
{
((ObservableCollection <Pin>)newMap.Pins).CollectionChanged += PinsCollectionChanged;
}
RegisterPinCallbacks(newMap.Pins);
}
}
protected override void OnElementChanged(ElementChangedEventArgs <Map> args)
{
SKMap oldMap = args.OldElement as SKMap;
SKMap newMap = args.NewElement as SKMap;
if (oldMap != null)
{
if (oldMap.MapOverlays != null)
{
oldMap.MapOverlays.CollectionChanged -= MapOverlaysCollectionChanged;
}
if (oldMap.Pins as ObservableCollection <Pin> != null)
{
((ObservableCollection <Pin>)oldMap.Pins).CollectionChanged -= PinsCollectionChanged;
}
NativeMap?.SetOnMarkerClickListener(null);
UnregisterPinCallbacks(oldMap.Pins);
}
base.OnElementChanged(args);
if (newMap != null)
{
if (newMap.MapOverlays != null)
{
newMap.MapOverlays.CollectionChanged += MapOverlaysCollectionChanged;
}
if (newMap.Pins as ObservableCollection <Pin> != null)
{
((ObservableCollection <Pin>)newMap.Pins).CollectionChanged += PinsCollectionChanged;
}
RegisterPinCallbacks(newMap.Pins);
}
}
public SKMapKitOverlay(SKMapOverlay sharedOverlay, SKMap sharedControl)
{
SharedOverlay = sharedOverlay;
_SharedControl = sharedControl;
}
