VB10

class RouteManager implements IRouteManager {
  @override
  double calculateDistance(LatLng cordinate, LatLng secondCordinate) {
    return (distanceBetween(
                cordinate.latitude, cordinate.longitude, secondCordinate.latitude, secondCordinate.longitude))
            .roundToDouble() /
        1000;
  }
}

VB10

class PointsCompleted extends PointsState {
  final List<Coordinate> coordinates;

  final int selectedItem;

  PointsCompleted(this.coordinates, {this.selectedItem});

  PointsCompleted copyWith({
    List<Coordinate> coordinates,
    int selectedItem,

VB10

  Positioned positionedPageView(
      BuildContext context, PointsCompleted completed) {
    return Positioned(
      height: context.dynamicHeight(0.12),
      bottom: 0,
      right: 0,
      left: -context.dynamicWidth(0.1),
      child: PageView.builder(
        onPageChanged: (value) {
          context

VB10

  List<SingleChildWidget> providerItems = [ Provider.value(value: CustomMarkerManager())}]
 
class CustomMarkerManager extends CustomMarker {
  Map<int, BitmapDescriptor> _markers = {};

  Future<BitmapDescriptor> getCustomMarker({
    int value,
    Color clusterColor,
    Color textColor,
    int width,

VB10

  Widget buildScaffoldBody() => Scaffold(
        key: scaffoldKey,
        body: BlocConsumer<PointsCubit, PointsState>(
          listener: (context, state) {
            if (state.runtimeType == PointsError) {
              scaffoldKey.currentState
                  .showSnackBar(SnackBar(content: Text("Error")));
            }
          },
          builder: (context, state) {

VB10

Future<void> initMapControllerMarkers(GoogleMapController controller,
      BuildContext context, List<Coordinate> coordinates) async {
    CustomMarkerManager markerManager = context.read<CustomMarkerManager>();

    for (var i = 0; i < coordinates.length; i++) {
      final icon = await markerManager.getCustomMarker(
          value: i,
          clusterColor: Colors.orange,
          textColor: Colors.white,
          width: _markersWidth);

VB10

abstract class LineState extends Equatable {
  final GoogleMapController controller;
  final int currentIndex;

  LineState(this.controller, this.currentIndex);
}

class MapsMarkerChange extends LineState {
  MapsMarkerChange(GoogleMapController controller, int currentIndex)
      : super(controller, currentIndex);

VB10

abstract class IMapService {
  final INetworkManager service;
  final GlobalKey<ScaffoldState> scaffoldKey;
  IMapService(this.service, this.scaffoldKey);

  Future<List<Coordinate>> getAllPoints();
  Future<ClusterCoordinate> getClusterPoints();

  void showErrorMessage(IErrorModel response) {
    if (this.scaffoldKey != null) {

VB10

class RegexConstants {
  static RegexConstants _instance;
  static RegexConstants get instance {
    if (_instance == null) {
      _instance = RegexConstants._init();
    }
    return _instance;
  }

  RegexConstants._init();

VB10

ListView _buildListview(AsyncSnapshot<List<GiyimModel>> snapshot) {
       return ListView.builder(
      itemCount: snapshot.data.length,
      itemBuilder: (BuildContext context, int index) {
        GiyimModel item = snapshot.data[index];
         return Container(
          margin: EdgeInsets.symmetric(horizontal: 10, vertical: 15),
          decoration: BoxDecoration(
            color: Colors.white,
            borderRadius: BorderRadius.circular(6),