462 lines
16 KiB
Dart
462 lines
16 KiB
Dart
import 'dart:convert';
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import 'dart:math';
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import 'package:flutter/cupertino.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_map/flutter_map.dart';
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import 'package:latlong2/latlong.dart';
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import 'package:mobile/favorites.dart';
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import 'package:mobile/register.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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import 'login.dart';
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import 'base/sidemenu.dart';
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import 'profile.dart';
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import 'models.dart';
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import 'package:geolocator/geolocator.dart';
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import 'api.dart' as api;
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import 'package:http/http.dart' as http;
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import 'dart:developer';
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void main() async {
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// Refresh JWT on startup
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final prefs = await SharedPreferences.getInstance();
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if (prefs.getString("token") != null && prefs.getString("refresh-token") != null) {
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final token = await api.request(null, api.ApiService.auth, "POST", "/RefreshToken", {'refreshToken': prefs.getString("refresh-token")});
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if (token != null) prefs.setString("token", token);
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}
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runApp(const MyApp());
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}
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class MyApp extends StatelessWidget {
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const MyApp({super.key});
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@override
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Widget build(BuildContext context) {
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return MaterialApp(
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title: 'H4 Flutter',
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theme: ThemeData(
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colorScheme: ColorScheme.fromSeed(seedColor: Colors.blue),
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useMaterial3: true,
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),
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home: const MyHomePage(),
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initialRoute: '/',
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routes: {
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'/home': (context) => const MyHomePage(),
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'/profile': (context) => const ProfilePage(),
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'/favorites': (context) => const FavoritesPage(),
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'/login': (context) => const LoginPage(),
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'/register': (context) => const RegisterPage(),
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},
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);
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}
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}
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class MyHomePage extends StatefulWidget {
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const MyHomePage({super.key});
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@override
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State<MyHomePage> createState() => _MyHomePageState();
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}
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class _MyHomePageState extends State<MyHomePage> {
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final GlobalKey<ScaffoldState> _scaffoldKey = GlobalKey<ScaffoldState>();
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List<Favorite> _favorites = [];
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LatLng? _selectedPoint;
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LatLng _currentPosition = LatLng(55.656707, 10.563214);
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LatLng? _userPosition;
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double _zoom = 7.0;
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MapController _mapController = MapController();
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List<SearchResults> _searchResults = [];
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final TextEditingController searchBarInput =TextEditingController(text: '');
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final LocationSettings locationSettings = const LocationSettings(
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accuracy: LocationAccuracy.high,
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distanceFilter: 100,
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);
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@override
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void didChangeDependencies() {
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super.didChangeDependencies();
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api.isLoggedIn(context).then((isLoggedIn) {
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if (!isLoggedIn || !mounted) return;
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_fetchFavorites();
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});
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}
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@override
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void dispose() {
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searchBarInput.dispose();
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super.dispose();
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}
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void _onTap(TapPosition _, LatLng point) async {
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setState(() => _selectedPoint = point);
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final dynamic location;
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try {
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final response = await http.get(
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Uri.parse('https://nominatim.openstreetmap.org/reverse.php?lat=${point.latitude}&lon=${point.longitude}&zoom=${max(12, _zoom.ceil())}&format=jsonv2'),
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headers: {'User-Agent': 'SkanTravels/1.0'},
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);
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if (mounted && response.statusCode != 200) {
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ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text('Unable to fetch information about this location (HTTP ${response.statusCode})')));
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debugPrint(response.body);
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return;
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}
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location = jsonDecode(response.body);
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} catch (_) {
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if (!mounted) return;
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ScaffoldMessenger.of(context).showSnackBar(const SnackBar(content: Text('Unable to fetch information about this location')));
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setState(() => _selectedPoint = null);
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return;
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}
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if (!mounted) return;
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if (location['name'] != null && location['display_name'] != null) {
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await _showLocation(point, location['name'], location['display_name']);
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}
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setState(() => _selectedPoint = null);
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}
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Future<void> _showLocation(LatLng point, String name, String description) async {
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await showModalBottomSheet(
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barrierColor: Colors.black.withOpacity(0.3),
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context: context,
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builder: (builder) {
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return StatefulBuilder(builder: (BuildContext context, StateSetter setModalState) {
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return Wrap(children: [
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Container(
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color: Colors.white,
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padding: const EdgeInsets.all(20),
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width: MediaQuery.of(context).size.width,
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child: Row(children: [
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Expanded(child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(name, style: const TextStyle(fontWeight: FontWeight.bold, fontSize: 24)),
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const SizedBox(height: 10),
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Text(description),
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],
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)),
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Column(children: [
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IconButton(
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icon: const Icon(Icons.star),
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iconSize: 32,
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color: _favorites.where((fav) => fav.lat == point.latitude && fav.lng == point.longitude).isEmpty ? Colors.grey : Colors.yellow,
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onPressed: () => _toggleFavorite(point, name, description, setModalState, context)
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),
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const IconButton(icon: Icon(Icons.rate_review), iconSize: 32, onPressed: null),
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]),
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]),
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),
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]);
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});
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},
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);
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}
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void _toggleFavorite(LatLng point, String name, String description, StateSetter setModalState, BuildContext context) async {
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final messenger = ScaffoldMessenger.of(context);
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final navigator = Navigator.of(context);
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final favorite = _favorites.where((fav) => fav.lat == point.latitude && fav.lng == point.longitude).firstOrNull;
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if (!await api.isLoggedIn(context)) {
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messenger.showSnackBar(const SnackBar(content: Text('You need to login to do that'), behavior: SnackBarBehavior.floating));
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navigator.pop();
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return;
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}
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if (!context.mounted) return;
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if (favorite == null) {
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final newFavorite = await api.request(
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context, api.ApiService.app, 'POST', '/favorites',
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{'lat': point.latitude, 'lng': point.longitude, 'name': name, 'description': description},
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);
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if (newFavorite == null) {
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navigator.pop();
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return;
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}
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setState(() {
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_favorites.add(Favorite.fromJson(jsonDecode(newFavorite)));
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});
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setModalState(() {});
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return;
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}
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if (await api.request(context, api.ApiService.app, 'DELETE', '/favorites/${favorite.id}', null) == null) {
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navigator.pop();
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return;
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}
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setState(() {
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_favorites = _favorites.where((fav) => fav.id != favorite.id).toList();
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});
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setModalState(() {});
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}
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Future<void> _fetchFavorites() async {
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final response = await api.request(context, api.ApiService.app, 'GET', '/favorites', null);
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if (response == null) return;
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final List<dynamic> favorites = jsonDecode(response);
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setState(() {
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_favorites = favorites.map((favorite) => Favorite.fromJson(favorite)).toList();
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});
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}
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Future<void> _getOpenStreetMapArea(LatLng fromGetLocation) async {
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final dynamic location;
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if (searchBarInput.text == '' && fromGetLocation == const LatLng(00.0000, 00.0000)) {
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return;
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}
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final http.Response response;
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_searchResults.clear();
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if (fromGetLocation == const LatLng(00.0000, 00.0000)) {
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response = await http.get(
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Uri.parse('https://nominatim.openstreetmap.org/search.php?q=Attractions+in+${searchBarInput.text}&format=jsonv2'),
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headers: {'User-Agent': 'SkanTravels/1.0'},
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);
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}
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else{
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response = await http.get(
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Uri.parse('https://nominatim.openstreetmap.org/search.php?q=Attractions+near+${fromGetLocation.latitude}%2C+${fromGetLocation.longitude}&format=jsonv2'),
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headers: {'User-Agent': 'SkanTravels/1.0'},
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);
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}
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location = jsonDecode(response.body);
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if (location is List && location.isNotEmpty) {
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for (var i = 0; i < location.length; i++) {
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if (location[i]['lat'] != null && location[i]['lon'] != null && location[i]['name'] != null && location[i]['display_name'] != null) {
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double lat = double.parse(location[i]['lat']);
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double lon = double.parse(location[i]['lon']);
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String description = location[i]['display_name'];
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String name = location[i]['name'];
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if (name == "") {
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name = description.split(",")[0];
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}
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setState(() {
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_searchResults.add(SearchResults(LatLng(lat, lon), name, description));
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});
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}
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}
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if(fromGetLocation == const LatLng(00.0000, 00.0000)){
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_mapController.move(_searchResults[0].location, 9);
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}
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}
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}
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Future<void> _getCurrentLocation() async {
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LocationPermission permission = await Geolocator.checkPermission();
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if(permission != LocationPermission.always || permission != LocationPermission.whileInUse){
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}
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else{
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await Geolocator.requestPermission();
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}
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Position position = await Geolocator.getCurrentPosition(desiredAccuracy: LocationAccuracy.high);
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_getOpenStreetMapArea(LatLng(position.latitude, position.longitude));
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_mapController.move(LatLng(position.latitude, position.longitude), 10);
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setState(() {
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_userPosition = LatLng(position.latitude, position.longitude);
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});
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}
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@override
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Widget build(BuildContext context) {
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return SideMenu(
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selectedIndex: 0,
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body: Scaffold(
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key: _scaffoldKey,
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body: Stack(
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children: [
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FlutterMap(
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mapController: _mapController,
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options: MapOptions(
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initialCenter: _currentPosition,
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initialZoom: _zoom,
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onTap: _onTap,
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onPositionChanged: (pos, _) => _zoom = pos.zoom,
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),
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children: [
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openStreetMapTileLayer,
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MarkerLayer(markers: [
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if (_selectedPoint != null)
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Marker(
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point: _selectedPoint!,
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width: 30,
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height: 50,
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alignment: Alignment.center,
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child: const Stack(
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children: [
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Icon(Icons.location_pin, size: 30, color: Colors.red),
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Icon(Icons.location_on_outlined, size: 30, color: Colors.black),
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],
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),
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),
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if(_userPosition != null)
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Marker(
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point: _userPosition!,
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width: 20,
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height: 20,
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alignment: Alignment.center,
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child: const Icon(Icons.my_location, size: 15, color: Colors.blueAccent),
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),
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]),
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..._searchResults.map((point) => MarkerLayer(
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markers: [
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Marker(
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point: point.location,
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width: 30,
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height: 50,
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alignment: Alignment.center,
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child: Column(
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children: [
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IconButton(
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icon: const Icon(Icons.location_pin, size: 30, color: Colors.red),
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onPressed: () => _showLocation(point.location, point.name, point.description),
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),
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],
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)
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)
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],
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)),
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..._favorites.map((favorite) => MarkerLayer(
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markers: [
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Marker(
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point: LatLng(favorite.lat, favorite.lng),
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width: 30,
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height: 50,
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alignment: Alignment.center,
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child: Stack(
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children: [
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IconButton(
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padding: const EdgeInsets.only(bottom: 10),
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icon: const Icon(Icons.location_pin, size: 30, color: Colors.yellow),
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onPressed: () => _showLocation(LatLng(favorite.lat, favorite.lng), favorite.name, favorite.description),
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),
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IconButton(
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padding: const EdgeInsets.only(bottom: 10),
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icon: const Icon(Icons.location_on_outlined, size: 30, color: Colors.black),
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onPressed: () => _showLocation(LatLng(favorite.lat, favorite.lng), favorite.name, favorite.description),
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),
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],
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),
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)
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],
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)),
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],
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),
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Positioned(
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bottom: 0,
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left: 0,
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right: 0,
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child: SafeArea(
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child: Padding(
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padding: const EdgeInsets.all(8.0),
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child: Stack(
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children: [
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Row(
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children: [
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Expanded(
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child: CupertinoSearchTextField(
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controller: searchBarInput,
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suffixMode: OverlayVisibilityMode.never,
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placeholder: 'Search city based',
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decoration: BoxDecoration(
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borderRadius: BorderRadius.circular(20),
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color: Colors.white.withOpacity(0.9),
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boxShadow: const [BoxShadow(color: Color(0x20000000), offset: Offset(0, 1), blurRadius: 4)]
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),
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),
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),
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],
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),
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Positioned(
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right: 2, // Position the button at the bottom-right
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bottom: 4.5,
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child:
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SizedBox(
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width: 100,
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height: 28,
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child: ElevatedButton(
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onPressed: () {
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_getOpenStreetMapArea(const LatLng(00.0000, 00.0000));
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},
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child: const Text('Search'),
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),
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),
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),
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],
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),
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),
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),
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),
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Positioned(
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right: 2,
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bottom: 50,
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child:
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SizedBox(
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width: 50,
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height: 50,
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child: Stack(
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alignment: Alignment.center,
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children: [
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const Icon(
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Icons.circle,
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color: Colors.white,
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size: 48.0,
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shadows: [BoxShadow(color: Color(0x20000000), offset: Offset(0, 1), blurRadius: 4)],
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),
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Padding(
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padding: const EdgeInsets.all(3),
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child: IconButton(
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icon: const Icon(
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Icons.location_searching,
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color: Colors.blue,
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size: 28.0,
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),
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onPressed: () {
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_getCurrentLocation();
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},
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),
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),
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],
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),
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),
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),
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],
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),
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),
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);
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}
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TileLayer get openStreetMapTileLayer => TileLayer(
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urlTemplate: 'https://tile.openstreetmap.org/{z}/{x}/{y}.png',
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userAgentPackageName: 'dev.fleaflet.flutter_map.example',
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);
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} |