implementation of route_search_box of address search field plugin

route_search_box_implementation.dart

import 'package:flutter/material.dart';
import 'package:address_search_field/address_search_field.dart';

class Example extends StatelessWidget {
  final _geoMethods = GeoMethods(
    googleApiKey: 'GOOGLE_API_KEY',
    language: 'es-419',
    countryCode: 'ec',
    country: 'Ecuador',
    city: 'Esmeraldas',
  );
  final _origCtrl = TextEditingController();
  final _destCtrl = TextEditingController();
  
  @override
  Widget build(BuildContext context) {
    return Container(
      child: Center(
        child: RouteSearchBox(
          geoMethods: geoMethods,
          originIsMyLocation: true,
          originCtrlr: _origCtrl,
          destinationCtrlr: _destCtrl,
          builder: (context, originBuilder, destinationBuilder, waypointBuilder,
              {getDirections, waypointsMgr}) {
            return Container(
            padding: EdgeInsets.symmetric(horizontal: 15.0),
            color: Colors.green[50],
            height: 150.0,
            child: Column(
                children: [
                   TextField(
                     controller: _origCtrl,
                     onTap: () => showDialog(
                       context: context,
                       builder:
                            (context) =>
                               originBuilder.buildDefault(
                          builder: AddressDialogBuilder(),
                          onDone: (address) => null,
                        ),
                      ),
                    ),
                   TextField(
                     controller: _destCtrl,
                     onTap: () => showDialog(
                       context: context,
                       builder:
                           (context) =>
                               destinationBuilder.buildDefault(
                         builder: AddressDialogBuilder(),
                         onDone: (address) => null,
                       ),
                     ),
                   ),
                  Row(
                    mainAxisAlignment: MainAxisAlignment.spaceEvenly,
                    children: [
                      ElevatedButton(
                        child: Text('Waypoints'),
                        onPressed: () => Navigator.push(
                            context,
                            MaterialPageRoute(
                              fullscreenDialog: true,
                              builder: (context) => Waypoints(
                                  waypointsMgr, waypointBuilder),
                            )),
                      ),
                      ElevatedButton(
                        child: Text('Search'),
                        onPressed: () async {
                          try {
                             final result = await getDirections();
                             print(result);
                           } catch (e) {
                            print(e);
                          }
                        },
                      ),
                    ],
                  ),
                ],
              ),
            );
          },
        ),
      ),
    );
  }
}

class Waypoints extends StatelessWidget {
  const Waypoints(this.waypointsMgr, this.waypointBuilder);

  final WaypointsManager waypointsMgr;
  final AddressSearchBuilder waypointBuilder;

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        actions: [
          IconButton(
            icon: Icon(Icons.add_location_alt),
            onPressed: () => showDialog(
              context: context,
              builder: (context) => waypointBuilder.buildDefault(
                builder: AddressDialogBuilder(),
                onDone: (address) => null,
              ),
            ),
          )
        ],
      ),
      body: ValueListenableBuilder<List<Address>>(
        valueListenable: waypointsMgr.valueNotifier,
        builder: (context, value, _) => ListView.separated(
          itemCount: value.length,
          separatorBuilder: (BuildContext context, int index) => Divider(),
          itemBuilder: (BuildContext context, int index) =>
              ListTile(title: Text(value[index].reference)),
        ),
      ),
    );
  }
}