GNSS szervíz refraktorálás, hibajavítás, PhoneGpsConnection osztály

2026-05-17 15:04:48 +02:00
parent ee0f90e247
commit 24a6b7d513
8 changed files with 221 additions and 112 deletions
@@ -0,0 +1,74 @@
+// lib/services/gnss/phone_gps_connection.dart
+import 'dart:async';
+import 'dart:typed_data';
+import 'package:geolocator/geolocator.dart';
+import 'gnss_connection.dart';
+import 'gnss_device_service.dart';
+
+class PhoneGpsConnection implements GnssConnection {
+  @override
+  GnssConnectionType get type => GnssConnectionType.phoneGps;
+
+  final _stateController = StreamController<GnssConnectionState>.broadcast();
+  final _positionController = StreamController<Position>.broadcast();
+  StreamSubscription<Position>? _positionSub;
+
+  @override
+  Stream<String> get nmeaLines => const Stream.empty(); // Nincs NMEA
+
+  @override
+  Stream<Position> get positionStream => _positionController.stream;
+
+  @override
+  Stream<GnssConnectionState> get connectionState => _stateController.stream;
+
+  @override
+  Future<void> connect(String address) async {
+    _stateController.add(GnssConnectionState.connecting);
+
+    bool serviceEnabled = await Geolocator.isLocationServiceEnabled();
+    if (!serviceEnabled) {
+      _stateController.add(GnssConnectionState.error);
+      return;
+    }
+
+    LocationPermission permission = await Geolocator.checkPermission();
+    if (permission == LocationPermission.denied) {
+      permission = await Geolocator.requestPermission();
+      if (permission == LocationPermission.denied) {
+        _stateController.add(GnssConnectionState.error);
+        return;
+      }
+    }
+
+    _stateController.add(GnssConnectionState.connected);
+
+    // Belső GPS folyamatos olvasása
+    _positionSub = Geolocator.getPositionStream(
+      locationSettings: const LocationSettings(
+        accuracy: LocationAccuracy.high,
+        distanceFilter: 0, // Folyamatos frissítés
+      ),
+    ).listen((Position pos) {
+      _positionController.add(pos);
+    });
+  }
+
+  @override
+  Future<void> disconnect() async {
+    await _positionSub?.cancel();
+    _stateController.add(GnssConnectionState.disconnected);
+  }
+
+  @override
+  void sendData(Uint8List data) {
+    // A telefon beépített GPS-e nem fogad RTCM adatokat
+  }
+
+  @override
+  void dispose() {
+    _positionSub?.cancel();
+    _positionController.close();
+    _stateController.close();
+  }
+}