Merge pull request 'precision medium - more fast geolocation' (#18) from hotfix/geolocation-slow into main

Reviewed-on: #18

covas_mobile/lib/pages/ListItemMenu.dart

@@ -1,3 +1,4 @@
+import 'package:covas_mobile/classes/alert.dart';
 import 'package:flutter/material.dart';
 import 'package:http/http.dart' as http;
 import 'package:flutter_dotenv/flutter_dotenv.dart'; // Import dotenv
@@ -50,21 +51,37 @@ class _MyHomePageState extends State<ListItemMenu> {
   // Fetching events from API
   static Future<List<Events>> getPosts() async {
     PermissionStatus status = await Permission.location.status;
-
+    final List<Events> body = [];
     var url = Uri.parse("${globals.api}/events");
     if (status.isGranted) {
       print("Location permission granted");
 
       // Get the current position with high accuracy
-      LocationSettings locationSettings = LocationSettings(
-        accuracy: LocationAccuracy.high,
-        distanceFilter:
-            10, // Optional: Minimum distance (in meters) to trigger location update
-      );
 
-      Position position = await Geolocator.getCurrentPosition(
+      const LocationSettings locationSettings = LocationSettings(
-        locationSettings: locationSettings,
+        accuracy: LocationAccuracy.medium,
+        timeLimit: Duration(seconds: 5),
       );
+      Position? position;
+      try {
+        position = await Geolocator.getCurrentPosition(
+            locationSettings: locationSettings);
+      } on LocationServiceDisabledException {
+        // Handle location services disabled
+        print('Location services are disabled.');
+        position = await Geolocator.getLastKnownPosition();
+        if (position == null) {
+          print('No last known position available.');
+        }
+      } catch (e) {
+        // Handle other errors
+        print('Failed to get location: $e');
+        position = await Geolocator.getLastKnownPosition();
+        if (position == null) {
+          print('No last known position available.');
+        }
+      }
+      if (position != null) {
         // Calculate the boundaries
         double radiusInKm = 50;
         double latDistance = radiusInKm / 111.0;
@@ -82,7 +99,7 @@ class _MyHomePageState extends State<ListItemMenu> {
       }
       SharedPreferences prefs = await SharedPreferences.getInstance();
       var accessToken = prefs.getString("access_token") ?? "";
-    final List<Events> body = [];
+
       if (accessToken.isNotEmpty) {
         final response = await http.get(url, headers: {
           "Content-Type": "application/json",
@@ -91,6 +108,7 @@ class _MyHomePageState extends State<ListItemMenu> {
         final List body = json.decode(utf8.decode(response.bodyBytes));
         return body.map((e) => Events.fromJson(e)).toList();
       }
+    }
     return body;
   }
 

covas_mobile/lib/pages/MapboxPages.dart

@@ -141,19 +141,33 @@ class _MapboxPagesState extends State<MapboxPages> with ShowErrorDialog {
             "Location permissions are permanently denied. Enable them in settings.");
         return;
       }
-      LocationSettings locationSettings = LocationSettings(
+      const LocationSettings locationSettings = LocationSettings(
-        accuracy: LocationAccuracy.high,
+          accuracy: LocationAccuracy.medium, timeLimit: Duration(seconds: 5));
-        distanceFilter:
+      Position? position;
-            10, // Optional: Minimum distance (in meters) to trigger location update
+      try {
-      );
+        position = await Geolocator.getCurrentPosition(
-
+            locationSettings: locationSettings);
-      Position position = await Geolocator.getCurrentPosition(
+      } on LocationServiceDisabledException {
-        locationSettings: locationSettings,
+        // Handle location services disabled
-      );
+        print('Location services are disabled.');
+        position = await Geolocator.getLastKnownPosition();
+        if (position == null) {
+          print('No last known position available.');
+        }
+      } catch (e) {
+        // Handle other errors
+        print('Failed to get location: $e');
+        position = await Geolocator.getLastKnownPosition();
+        if (position == null) {
+          print('No last known position available.');
+        }
+      }
+      if (position != null) {
         setState(() {
-        userPosition = LatLng(position.latitude, position.longitude);
+          userPosition = LatLng(position!.latitude, position!.longitude);
           isUserPositionInitialized = true;
         });
+      }
       _initToken();
       _getEventInfo();
     } catch (e) {