private void RemovePin(MapPin pin)
{
var pinToRemove = _dict.Pins.GetNative(pin);
if (pinToRemove == null)
{
return;
}
_renderer.RemoveNativePin(pinToRemove);
_dict.Pins.Remove(pin);
UnbindPin(pin);
}
private void UnbindPin(MapPin pin)
{
pin.PropertyChanged -= pin_PropertyChanged;
}
private void RemoveMarker(MapPin pin)
{
if (Markers.ContainsKey(pin) == false)
return;
var markerToRemove = Markers[pin];
markerToRemove.Remove();
markerToRemove.Dispose();
UnbindPin(pin);
Markers.Remove(pin);
}
private void BindPin(MapPin pin)
{
pin.PropertyChanged += pin_PropertyChanged;
}
private void AddMarker(MapPin pin)
{
using (var op = new MarkerOptions())
{
op.SetTitle(pin.Label);
op.SetPosition(pin.Position.ToLatLng());
op.SetIcon(BitmapDescriptorFactory.DefaultMarker(pin.Color.ToAndroidMarkerHue()));
var marker = NativeMap.AddMarker(op);
pin.Id = marker.Id;
Markers.Add(pin, marker);
}
}
protected virtual void OnPinPropertyChanged(MapPin pin, Marker marker, PropertyChangedEventArgs e)
{
if (e.PropertyName == MapPin.ColorProperty.PropertyName)
{
marker.SetIcon(BitmapDescriptorFactory.DefaultMarker(pin.Color.ToAndroidMarkerHue()));
}
else if (e.PropertyName == MapPin.PositionProperty.PropertyName)
{
marker.Position = pin.Position.ToLatLng();
}
}
private void AddPin(MapPin pin)
{
var nativePin = _renderer.AddNativePin(pin);
_dict.Pins.AddOrUpdate(pin, nativePin);
}
private void UnbindPin(MapPin pin)
{
pin.PropertyChanged -= pin_PropertyChanged;
}
private void BindPin(MapPin pin)
{
pin.PropertyChanged += pin_PropertyChanged;
}