43 lines
1.3 KiB
Dart
43 lines
1.3 KiB
Dart
import 'package:geolocator/geolocator.dart';
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class LocationPoint {
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const LocationPoint({
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required this.longitude,
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required this.latitude,
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required this.accuracy,
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required this.occurredAt,
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});
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final String longitude;
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final String latitude;
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final String accuracy;
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final DateTime occurredAt;
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}
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abstract interface class LocationService {
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Future<LocationPoint> current();
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}
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class GeolocatorLocationService implements LocationService {
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@override
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Future<LocationPoint> current() async {
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if (!await Geolocator.isLocationServiceEnabled()) {
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throw StateError('请先开启系统定位服务');
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}
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var permission = await Geolocator.checkPermission();
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if (permission == LocationPermission.denied) {
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permission = await Geolocator.requestPermission();
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}
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if (permission == LocationPermission.denied || permission == LocationPermission.deniedForever) {
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throw StateError('定位权限未授权，无法完成该在线动作');
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}
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final position = await Geolocator.getCurrentPosition();
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return LocationPoint(
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longitude: position.longitude.toStringAsFixed(7),
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latitude: position.latitude.toStringAsFixed(7),
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accuracy: position.accuracy.toStringAsFixed(1),
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occurredAt: position.timestamp,
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);
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}
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}
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