working state with dynamic location tracker

.gitea/workflows/build-android.yaml

@@ -34,7 +34,7 @@ jobs:
 
     - run: flutter pub get
 
-    - run: flutter build apk --debug --split-per-abi
+    - run: flutter build apk --release --split-per-abi
 
     - name: Release APK
       uses: https://gitea.com/akkuman/gitea-release-action@v1

lib/modules/navigation.dart

@@ -1,13 +1,62 @@
 import 'package:flutter/material.dart';
 
-Widget singleDestination(BuildContext context, String title, String description, String image) {
+
+
+List<Widget> loadDestinations() {
+  List<Widget> cities =  [
+    singleDestination(
+      "New York",
+      "The Big Apple",
+      "https://upload.wikimedia.org/wikipedia/commons/thumb/3/34/View_of_New_York_City.jpg/800px-View_of_New_York_City.jpg"
+    ),
+    singleDestination(
+      "Los Angeles",
+      "City of Angels",
+      "https://upload.wikimedia.org/wikipedia/commons/thumb/8/8d/Los_Angeles_City_Hall_2013.jpg/800px-Los_Angeles_City_Hall_2013.jpg"
+    ),
+    singleDestination(
+      "Chicago",
+      "The Windy City",
+      "https://upload.wikimedia.org/wikipedia/commons/thumb/6/6f/Chicago_skyline%2C_viewed_from_John_Hancock_Center.jpg/800px-Chicago_skyline%2C_viewed_from_John_Hancock_Center.jpg"
+    ),
+    singleDestination(
+      "San Francisco",
+      "The Golden City",
+      "https://upload.wikimedia.org/wikipedia/commons/thumb/6/6d/San_Francisco_City_Hall_2013.jpg/800px-San_Francisco_City_Hall_2013.jpg"
+    ),
+    singleDestination(
+      "Miami",
+      "The Magic City",
+      "https://upload.wikimedia.org/wikipedia/commons/thumb/6/6e/Miami_collage.jpg/800px-Miami_collage.jpg"
+    ),
+    singleDestination(
+      "Las Vegas",
+      "Sin City",
+      "https://upload.wikimedia.org/wikipedia/commons/thumb/6/6e/Las_Vegas_Strip.jpg/800px-Las_Vegas_Strip.jpg"
+    ),
+    singleDestination(
+      "Seattle",
+      "Emerald City",
+      "https://upload.wikimedia.org/wikipedia/commons/thumb/2/2f/Seattle_Kerry_Park_Skyline.jpg/800px-Seattle_Kerry_Park_Skyline.jpg"
+    ),
+    singleDestination(
+      "Boston",
+      "Beantown",
+      "https://upload.wikimedia.org/wikipedia/commons/thumb/0/0f/Boston_skyline_from_Longfellow_Bridge_September_2017_panorama_2.jpg/800px-Boston"
+    )
+  ];
+  cities.shuffle();
+  return cities;
+}
+
+Widget singleDestination(String title, String description, String image) {
   return Card(
     child: ListTile(
       leading: Icon(Icons.location_on),
       title: Text(title),
       subtitle: Text(description),
       onTap: () {
-        Navigator.pushNamed(context, '/destination');
+        // Navigator.pushNamed(context, '/destination');
       },
     ),
   );

lib/modules/overview.dart

@@ -1,14 +1,74 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_map/flutter_map.dart';
 import 'package:sliding_up_panel/sliding_up_panel.dart';
+import 'package:latlong2/latlong.dart';
+import 'package:geocoding/geocoding.dart';
+import 'package:geocode/geocode.dart';
+import 'dart:async';
+
 import 'package:fast_network_navigation/modules/navigation.dart';
 
 class MapPage extends StatefulWidget {
   @override
   _MapPageState createState() => _MapPageState();
 }
+class Debounce {
+  Duration delay;
+  Timer? _timer;
+
+  Debounce(
+    this.delay,
+  );
+
+  call(void Function() callback) {
+    _timer?.cancel();
+    _timer = Timer(delay, callback);
+  }
+
+  dispose() {
+    _timer?.cancel();
+  }
+}
+
 
 class _MapPageState extends State<MapPage> {
+  GeoCode geoCode = GeoCode();
+  final mapController = MapController();
+  String _currentCityName = "...";
+  final Debounce _debounce = Debounce(Duration(seconds: 3));
+
+  void _setCurrentCityName() async {
+    if (mapController.camera.zoom < 9) {
+      return; // Don't bother if the view is too wide
+    }
+    var currentCoordinates = mapController.camera.center;
+    String? city;
+    
+    try{
+      List<Placemark> placemarks = await placemarkFromCoordinates(currentCoordinates.latitude, currentCoordinates.longitude);
+      city = placemarks[0].locality.toString();
+    } catch (e) {
+      debugPrint("Error: $e");
+      try {
+        Address address = await geoCode.reverseGeocoding(latitude: currentCoordinates.latitude, longitude: currentCoordinates.longitude);
+        
+        if (address.city == null || address.city.toString().contains("Throttled!")){
+          throw Exception("Probably rate limited");
+        }
+        city = address.city.toString();
+      } catch (e) {
+        debugPrint("Error: $e");
+
+      }
+    }
+    if (city != null) {
+      setState(() {
+        _currentCityName = city!;
+      });
+    } else {
+      _debounce(() async {_setCurrentCityName();});
+    }
+  }
 
   @override
   Widget build(BuildContext context) {
@@ -18,8 +78,15 @@ class _MapPageState extends State<MapPage> {
         panel: _floatingPanel(theme),
         collapsed: _floatingCollapsed(theme),
         body: FlutterMap(
+          mapController: mapController,
           options: MapOptions(
             initialZoom: 11,
+            initialCenter: LatLng(51.509364, -0.128928),
+            onMapReady: () {
+                mapController.mapEventStream.listen((evt) {_debounce(() async {_setCurrentCityName();});});
+                // And any other `MapController` dependent non-movement methods
+            },
+
           ),
           children: [
             openStreetMapTileLayer,
@@ -59,14 +126,7 @@ class _MapPageState extends State<MapPage> {
             children: <Widget>[
               Greeting(theme),
               Text("Got a lot to do today! Here is a rundown:"),
-              singleDestination(context, "Location 1", "some description", "Further information"),
+              ...loadDestinations(),
-              singleDestination(context, "Location 2", "some description", "Further information"),
-              singleDestination(context, "Location 3", "some description", "Further information"),
-              singleDestination(context, "Location 4", "some description", "Further information"),
-              singleDestination(context, "Location 5", "some description", "Further information"),
-              singleDestination(context, "Location 6", "some description", "Further information"),
-              singleDestination(context, "Location 7", "some description", "Further information"),
-              singleDestination(context, "Location 8", "some description", "Further information"),
             ],
           ),
         ),
@@ -78,7 +138,7 @@ class _MapPageState extends State<MapPage> {
   Widget Greeting (ThemeData theme) {
     return Center(
         child: Text(
-          "Explore Kview",
+            "Explore ${_currentCityName}",
           style: TextStyle(color: theme.primaryColor, fontSize: 24.0, fontWeight: FontWeight.bold),
         ),
       );

pubspec.lock

@@ -83,6 +83,46 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  geocode:
+    dependency: "direct main"
+    description:
+      name: geocode
+      sha256: cf9727c369bb3703b97d6e440225962dc27b7f3c686662fe3cdcc91cbfb7074d
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.3"
+  geocoding:
+    dependency: "direct main"
+    description:
+      name: geocoding
+      sha256: d580c801cba9386b4fac5047c4c785a4e19554f46be42f4f5e5b7deacd088a66
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.0"
+  geocoding_android:
+    dependency: transitive
+    description:
+      name: geocoding_android
+      sha256: "1b13eca79b11c497c434678fed109c2be020b158cec7512c848c102bc7232603"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.3.1"
+  geocoding_ios:
+    dependency: transitive
+    description:
+      name: geocoding_ios
+      sha256: "94ddba60387501bd1c11e18dca7c5a9e8c645d6e3da9c38b9762434941870c24"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.1"
+  geocoding_platform_interface:
+    dependency: transitive
+    description:
+      name: geocoding_platform_interface
+      sha256: "8c2c8226e5c276594c2e18bfe88b19110ed770aeb7c1ab50ede570be8b92229b"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.2.0"
   http:
     dependency: transitive
     description:
@@ -108,7 +148,7 @@ packages:
     source: hosted
     version: "0.19.0"
   latlong2:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: latlong2
       sha256: "98227922caf49e6056f91b6c56945ea1c7b166f28ffcd5fb8e72fc0b453cc8fe"
@@ -203,6 +243,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.9.0"
+  plugin_platform_interface:
+    dependency: transitive
+    description:
+      name: plugin_platform_interface
+      sha256: "4820fbfdb9478b1ebae27888254d445073732dae3d6ea81f0b7e06d5dedc3f02"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.8"
   polylabel:
     dependency: transitive
     description:

pubspec.yaml

@@ -1,5 +1,5 @@
-name: fast_network_navigation
+name: "fast_network_navigation"
-description: "A new Flutter project."
+description: "An interactive city navigator."
 # The following line prevents the package from being accidentally published to
 # pub.dev using `flutter pub publish`. This is preferred for private packages.
 publish_to: 'none' # Remove this line if you wish to publish to pub.dev
@@ -37,6 +37,9 @@ dependencies:
   cupertino_icons: ^1.0.6
   flutter_map: ^6.1.0
   sliding_up_panel: ^2.0.0+1
+  latlong2: ^0.9.1
+  geocoding: ^3.0.0
+  geocode: ^1.0.3
 
 dev_dependencies:
   flutter_test: