map_services 0.0.4

A Flutter package for mapping services including distance calculation, reverse geocoding, and routing.

example/lib/main.dart

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

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Map Services Example',
      theme: ThemeData(
        colorScheme: ColorScheme.fromSeed(seedColor: Colors.blue),
        useMaterial3: true,
      ),
      home: const MyHomePage(),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key});

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  final MapServices _mapServices = MapServices();
  @override
  void initState() {
    super.initState();
  }

  final _searchController = TextEditingController();

  String _distanceResult = '';
  List<CoordinatedLocationResult> _searchResults = [];
  bool _isLoading = false;

  void _calculateDistance() {
    final manila = LatLong(14.5995, 120.9842);
    final makati = LatLong(14.5547, 121.0244);
    final distance = _mapServices.getDistanceInKm(
      pointA: manila,
      pointB: makati,
    );

    setState(() {
      _distanceResult =
          'Distance from Manila to Makati: ${distance.toStringAsFixed(2)} km';
    });
  }

  Future<void> _searchAddress() async {
    if (_searchController.text.isEmpty) return;

    setState(() {
      _isLoading = true;
      _searchResults = [];
    });

    try {
      final results = await MapServices.searchAddress(_searchController.text);
      setState(() {
        _searchResults = results;
      });
    } catch (e) {
      ScaffoldMessenger.of(
        context,
      ).showSnackBar(SnackBar(content: Text('Error: $e')));
    } finally {
      setState(() {
        _isLoading = false;
      });
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('Map Services Example'),
        backgroundColor: Theme.of(context).colorScheme.inversePrimary,
      ),
      body: Padding(
        padding: const EdgeInsets.all(16.0),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.stretch,
          children: [
            Card(
              child: Padding(
                padding: const EdgeInsets.all(16.0),
                child: Column(
                  children: [
                    const Text(
                      'Distance Calculation',
                      style: TextStyle(fontWeight: FontWeight.bold),
                    ),
                    const SizedBox(height: 8),
                    ElevatedButton(
                      onPressed: _calculateDistance,
                      child: const Text('Calculate Manila to Makati'),
                    ),
                    if (_distanceResult.isNotEmpty) ...[
                      const SizedBox(height: 8),
                      Text(_distanceResult),
                    ],
                  ],
                ),
              ),
            ),
            const SizedBox(height: 16),
            const Text(
              'Address Search',
              style: TextStyle(fontWeight: FontWeight.bold),
            ),
            const SizedBox(height: 8),
            Row(
              children: [
                Expanded(
                  child: TextField(
                    controller: _searchController,
                    decoration: const InputDecoration(
                      hintText: 'Enter address (e.g. Manila)',
                      border: OutlineInputBorder(),
                    ),
                  ),
                ),
                const SizedBox(width: 8),
                IconButton(
                  onPressed: _isLoading ? null : _searchAddress,
                  icon: const Icon(Icons.search),
                ),
              ],
            ),
            const SizedBox(height: 16),
            if (_isLoading)
              const Center(child: CircularProgressIndicator())
            else
              Expanded(
                child: ListView.builder(
                  itemCount: _searchResults.length,
                  itemBuilder: (context, index) {
                    final item = _searchResults[index];
                    return ListTile(
                      title: Text(item.address ?? 'No address'),
                      subtitle: Text(
                        '${item.coordinates.latitude}, ${item.coordinates.longitude}',
                      ),
                      leading: const Icon(Icons.location_on),
                    );
                  },
                ),
              ),
          ],
        ),
      ),
    );
  }
}