added loading indicator for mapview

lib/state/mapState.dart

@@ -2,11 +2,18 @@ import 'package:flutter/cupertino.dart';
 
 class MapState extends ChangeNotifier {
   bool _isLocationLock = false;
+  bool _isCurrentlyFetchin = true;
 
   bool get followLocation => _isLocationLock;
+  bool get isCurrentlyFetching => _isCurrentlyFetchin;
 
   toggleLocationLock() {
     _isLocationLock = !_isLocationLock;
     notifyListeners();
   }
+
+  set setNetworkActivity(bool active) {
+    _isCurrentlyFetchin = active;
+    notifyListeners();
+  }
 }

lib/util/loadingContainer.dart

@@ -0,0 +1,23 @@
+import 'package:flutter/material.dart';
+
+class LoadingContainer extends StatelessWidget {
+  final bool loading;
+  final bool fetching;
+  final Widget child;
+  const LoadingContainer({required this.loading, required this.fetching, required this.child, super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    if(loading) {
+      return const Center(child: CircularProgressIndicator());
+    }
+
+    return Column(
+      mainAxisSize: MainAxisSize.max,
+      children: [
+        if(fetching) const LinearProgressIndicator(),
+        Expanded(child: child),
+      ],
+    );
+  }
+}

lib/view/home.dart

@@ -1,10 +1,12 @@
 import 'package:app/extensions/obtainProviderExtension.dart';
 import 'package:app/state/mapState.dart';
+import 'package:app/util/loadingContainer.dart';
 import 'package:app/util/watchState.dart';
 import 'package:app/view/appInfo.dart';
 import 'package:app/view/status.dart';
 import 'package:app/view/map.dart';
 import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
 
 class HomeView extends StatefulWidget {
   const HomeView({super.key});
@@ -42,14 +44,23 @@ class _HomePageState extends State<HomeView> {
         child: WatchState<MapState>((context, state) => Icon(state.followLocation ? Icons.my_location : Icons.location_disabled)),
         onPressed: () => context.obtainState<MapState>().toggleLocationLock(),
       ),
-      body: const Column(
+      body: Column(
         children: [
-          SizedBox(
+          const SizedBox(
             height: 100,
             child: StatusView(),
           ),
           Expanded(
-            child: MapView(),
+            child: Consumer<MapState>(
+              builder: (context, state, child) {
+                return LoadingContainer(
+                  loading: child == null,
+                  fetching: state.isCurrentlyFetching,
+                  child: const MapView(),
+                );
+              },
+              child: const MapView(),
+            ),
           )
         ],
       ),