fix martin tile calls

backend/docker-compose.yml

@@ -13,6 +13,7 @@ services:
     environment:
       HOST: "0.0.0.0"
       PORT: "8080"
+      PUBLIC_URL: "http://192.168.2.59:8080"
       MARTIN_URL: "http://martin:3001"
       PHOTON_URL: "http://photon:2322"
       OSRM_DRIVING_URL: "http://osrm-driving:5000"

backend/src/config.rs

@@ -4,6 +4,9 @@
 pub struct AppConfig {
     pub host: String,
     pub port: u16,
+    /// Public-facing URL of this backend, used to rewrite tile URLs in style.json.
+    /// Set via PUBLIC_URL env var, defaults to http://localhost:8080.
+    pub public_url: String,
     pub martin_url: String,
     pub photon_url: String,
     pub osrm_driving_url: String,
@@ -24,6 +27,8 @@ impl AppConfig {
                 .ok()
                 .and_then(|v| v.parse().ok())
                 .unwrap_or(8080),
+            public_url: std::env::var("PUBLIC_URL")
+                .unwrap_or_else(|_| "http://localhost:8080".into()),
             martin_url: std::env::var("MARTIN_URL")
                 .unwrap_or_else(|_| "http://martin:3000".into()),
             photon_url: std::env::var("PHOTON_URL")

backend/src/routes/tiles.rs

@@ -1,6 +1,7 @@
 use actix_web::{web, HttpResponse};
 use bytes::Bytes;
 
+use crate::config::AppConfig;
 use crate::errors::AppError;
 use crate::services::cache::CacheService;
 use crate::services::martin::MartinService;
@@ -14,7 +15,13 @@ pub struct TilePath {
     y: u32,
 }
 
-const VALID_LAYERS: &[&str] = &["openmaptiles", "terrain", "hillshade"];
+const VALID_LAYERS: &[&str] = &[
+    "planet_osm_polygon",
+    "planet_osm_line",
+    "planet_osm_point",
+    "planet_osm_roads",
+    "pois",
+];
 
 /// GET /tiles/{layer}/{z}/{x}/{y}.pbf
 ///
@@ -80,11 +87,64 @@ pub async fn get_tile(
 
 /// GET /tiles/style.json
 ///
-/// Proxies the Mapbox GL style JSON from Martin.
+/// Returns a MapLibre GL style that uses this backend as the tile proxy,
+/// so Flutter clients never need to reach Martin directly.
 pub async fn get_style(
-    martin: web::Data<MartinService>,
+    config: web::Data<AppConfig>,
 ) -> Result<HttpResponse, AppError> {
-    let style = martin.get_style().await?;
+    let base = &config.public_url;
+
+    let style = serde_json::json!({
+        "version": 8,
+        "name": "Privacy Maps",
+        "sources": {
+            "planet_osm_polygon": {
+                "type": "vector",
+                "tiles": [format!("{base}/tiles/planet_osm_polygon/{{z}}/{{x}}/{{y}}.pbf")],
+                "minzoom": 0,
+                "maxzoom": 14
+            },
+            "planet_osm_line": {
+                "type": "vector",
+                "tiles": [format!("{base}/tiles/planet_osm_line/{{z}}/{{x}}/{{y}}.pbf")],
+                "minzoom": 0,
+                "maxzoom": 14
+            },
+            "planet_osm_point": {
+                "type": "vector",
+                "tiles": [format!("{base}/tiles/planet_osm_point/{{z}}/{{x}}/{{y}}.pbf")],
+                "minzoom": 0,
+                "maxzoom": 14
+            },
+            "planet_osm_roads": {
+                "type": "vector",
+                "tiles": [format!("{base}/tiles/planet_osm_roads/{{z}}/{{x}}/{{y}}.pbf")],
+                "minzoom": 0,
+                "maxzoom": 14
+            }
+        },
+        "layers": [
+            { "id": "background", "type": "background",
+              "paint": { "background-color": "#f0ebe3" } },
+            { "id": "landuse", "type": "fill", "source": "planet_osm_polygon",
+              "source-layer": "planet_osm_polygon",
+              "paint": { "fill-color": "#d4e5c9", "fill-opacity": 0.6 } },
+            { "id": "water", "type": "fill", "source": "planet_osm_polygon",
+              "source-layer": "planet_osm_polygon",
+              "filter": ["==", "natural", "water"],
+              "paint": { "fill-color": "#a0c8f0" } },
+            { "id": "roads-minor", "type": "line", "source": "planet_osm_line",
+              "source-layer": "planet_osm_line",
+              "paint": { "line-color": "#ccc", "line-width": 1 } },
+            { "id": "roads-main", "type": "line", "source": "planet_osm_roads",
+              "source-layer": "planet_osm_roads",
+              "paint": { "line-color": "#f5a623", "line-width": 2 } },
+            { "id": "buildings", "type": "fill", "source": "planet_osm_polygon",
+              "source-layer": "planet_osm_polygon",
+              "filter": ["has", "building"],
+              "paint": { "fill-color": "#d9d0c7", "fill-outline-color": "#bbb" } }
+        ]
+    });
 
     Ok(HttpResponse::Ok()
         .content_type("application/json; charset=utf-8")

mobile/devtools_options.yaml

@@ -0,0 +1,3 @@
+description: This file stores settings for Dart & Flutter DevTools.
+documentation: https://docs.flutter.dev/tools/devtools/extensions#configure-extension-enablement-states
+extensions:

mobile/lib/core/api/api_client.dart

@@ -110,6 +110,13 @@ class ApiClient {
 }
 
 /// Riverpod provider for the API client.
+/// Initialized with the saved backend URL from the database, falling back to
+/// the default if nothing has been saved yet.
 final apiClientProvider = Provider<ApiClient>((ref) {
   return ApiClient();
 });
+
+/// Override this in main() after loading the saved URL.
+final initialBackendUrlProvider = Provider<String>((ref) {
+  return AppConstants.defaultBackendUrl;
+});

mobile/lib/features/map/presentation/screens/map_screen.dart

@@ -1,10 +1,11 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_map/flutter_map.dart';
-import 'package:flutter_map_cancellable_tile_provider/flutter_map_cancellable_tile_provider.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:go_router/go_router.dart';
+import 'package:vector_map_tiles/vector_map_tiles.dart';
 import '../../../../core/api/api_client.dart';
 import '../../providers/map_provider.dart';
+import '../../providers/map_style_provider.dart';
 import '../widgets/map_controls.dart';
 import '../widgets/place_card.dart';
 
@@ -34,7 +35,7 @@ class _MapScreenState extends ConsumerState<MapScreen> {
   Widget build(BuildContext context) {
     final mapState = ref.watch(mapProvider);
     final apiClient = ref.watch(apiClientProvider);
-    final tileUrl = '${apiClient.baseUrl}/tiles/openmaptiles/{z}/{x}/{y}.pbf';
+    final styleAsync = ref.watch(mapStyleProvider(apiClient.baseUrl));
 
     // Listen for zoom/center changes from the provider and move the map.
     ref.listen<MapState>(mapProvider, (previous, next) {
@@ -66,10 +67,13 @@ class _MapScreenState extends ConsumerState<MapScreen> {
               },
             ),
             children: [
-              TileLayer(
-                urlTemplate: tileUrl,
-                tileProvider: CancellableNetworkTileProvider(),
-                userAgentPackageName: 'com.privacymaps.app',
+              styleAsync.when(
+                data: (style) => VectorTileLayer(
+                  tileProviders: style.providers,
+                  theme: style.theme,
+                ),
+                loading: () => const SizedBox.shrink(),
+                error: (e, _) => const SizedBox.shrink(),
               ),
               if (mapState.currentLocation != null)
                 MarkerLayer(

mobile/lib/features/map/providers/map_style_provider.dart

@@ -0,0 +1,10 @@
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:vector_map_tiles/vector_map_tiles.dart';
+
+/// Loads and caches the MapLibre style from the backend.
+/// Keyed by base URL so a URL change triggers a reload.
+final mapStyleProvider =
+    FutureProvider.family<Style, String>((ref, baseUrl) async {
+  final styleUrl = '$baseUrl/tiles/style.json';
+  return StyleReader(uri: styleUrl).read();
+});

mobile/lib/features/routing/presentation/screens/route_screen.dart

@@ -37,14 +37,10 @@ class _RouteScreenState extends ConsumerState<RouteScreen> {
     final notifier = ref.read(routingProvider.notifier);
     final mapState = ref.read(mapProvider);
 
-    // Set origin from current location if available.
-    if (mapState.currentLocation != null) {
-      notifier.setOrigin(
-        mapState.currentLocation!.latitude,
-        mapState.currentLocation!.longitude,
-        'My Location',
-      );
-    }
+    // Set origin from GPS if available, otherwise use the map center.
+    final origin = mapState.currentLocation ?? mapState.center;
+    final originName = mapState.currentLocation != null ? 'My Location' : 'Map center';
+    notifier.setOrigin(origin.latitude, origin.longitude, originName);
 
     // Set destination from route params.
     if (widget.destinationLat != null && widget.destinationLon != null) {

mobile/lib/main.dart

@@ -1,12 +1,25 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'app/app.dart';
+import 'core/api/api_client.dart';
+import 'core/constants.dart';
+import 'core/database/app_database.dart';
 
-void main() {
+void main() async {
   WidgetsFlutterBinding.ensureInitialized();
+
+  // Load the saved backend URL before building the widget tree so the API
+  // client is initialized with the correct URL from the first request.
+  final db = AppDatabase();
+  final savedUrl = await db.getSetting(AppConstants.settingBackendUrl);
+  final backendUrl = savedUrl ?? AppConstants.defaultBackendUrl;
+
   runApp(
-    const ProviderScope(
-      child: PrivacyMapsApp(),
+    ProviderScope(
+      overrides: [
+        apiClientProvider.overrideWithValue(ApiClient(baseUrl: backendUrl)),
+      ],
+      child: const PrivacyMapsApp(),
     ),
   );
 }