61 lines
2 KiB
Dart
61 lines
2 KiB
Dart
import 'dart:async';
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import 'package:flutter/foundation.dart';
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import 'package:flutter/services.dart';
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import 'package:flutter/widgets.dart';
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import 'package:latlong2/latlong.dart';
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class GeocodingService {
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static const platform = MethodChannel('deckers.thibault/aves/geocoding');
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// geocoding requires Google Play Services
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static Future<List<Address>> getAddress(LatLng coordinates, String locale) async {
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try {
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final result = await platform.invokeMethod('getAddress', <String, dynamic>{
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'latitude': coordinates.latitude,
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'longitude': coordinates.longitude,
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'locale': locale,
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// we only really need one address, but sometimes the native geocoder
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// returns nothing with `maxResults` of 1, but succeeds with `maxResults` of 2+
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'maxResults': 2,
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});
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return (result as List).cast<Map>().map((map) => Address.fromMap(map)).toList();
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} on PlatformException catch (e) {
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debugPrint('getAddress failed with code=${e.code}, exception=${e.message}, details=${e.details}}');
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}
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return [];
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}
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}
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@immutable
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class Address {
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final String addressLine, adminArea, countryCode, countryName, featureName, locality, postalCode, subAdminArea, subLocality, subThoroughfare, thoroughfare;
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const Address({
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this.addressLine,
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this.adminArea,
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this.countryCode,
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this.countryName,
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this.featureName,
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this.locality,
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this.postalCode,
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this.subAdminArea,
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this.subLocality,
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this.subThoroughfare,
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this.thoroughfare,
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});
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factory Address.fromMap(Map map) => Address(
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addressLine: map['addressLine'],
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adminArea: map['adminArea'],
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countryCode: map['countryCode'],
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countryName: map['countryName'],
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featureName: map['featureName'],
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locality: map['locality'],
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postalCode: map['postalCode'],
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subAdminArea: map['subAdminArea'],
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subLocality: map['subLocality'],
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subThoroughfare: map['subThoroughfare'],
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thoroughfare: map['thoroughfare'],
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);
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}
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