showOverlay method

@override Future<void> showOverlay(MapOverlay overlay)

Implementation

@override
Future<void> showOverlay(MapOverlay overlay) async {
  final mapTypeId = switch (overlay) {
    MapOverlay.bicycleRoad => 8,
    MapOverlay.roadviewLine => 5,
    MapOverlay.hillsading => 7,
    MapOverlay.hybrid => 3,
  };
  controller.addOverlayMapTypeId(mapTypeId);
}