added collections page

lib/main.dart

@@ -1,7 +1,9 @@
+// main.dart
 import 'package:flutter/material.dart';
 import 'pages/bookmarks_page.dart';
 import 'pages/collections_page.dart';
 import 'service/storage.dart';
+import 'service/share_intent_service.dart';
 
 void main() async {
   WidgetsFlutterBinding.ensureInitialized();
@@ -9,12 +11,70 @@ void main() async {
   runApp(const MapsBookmarks());
 }
 
-class MapsBookmarks extends StatelessWidget {
+class MapsBookmarks extends StatefulWidget {
   const MapsBookmarks({super.key});
 
+  @override
+  State<MapsBookmarks> createState() => _MapsBookmarksState();
+}
+
+class _MapsBookmarksState extends State<MapsBookmarks>
+    with WidgetsBindingObserver {
+  final ShareIntentService _shareIntentService = ShareIntentService();
+  final GlobalKey<NavigatorState> _navigatorKey = GlobalKey<NavigatorState>();
+
+  @override
+  void initState() {
+    super.initState();
+    WidgetsBinding.instance.addObserver(this);
+    // Check for shared content on app start
+    _checkForSharedContent();
+  }
+
+  @override
+  void dispose() {
+    WidgetsBinding.instance.removeObserver(this);
+    super.dispose();
+  }
+
+  @override
+  void didChangeAppLifecycleState(AppLifecycleState state) {
+    // Check for shared content when app resumes
+    if (state == AppLifecycleState.resumed) {
+      _checkForSharedContent();
+    }
+  }
+
+  Future<void> _checkForSharedContent() async {
+    final sharedText = await _shareIntentService.getSharedText();
+
+    if (sharedText != null && mounted) {
+      // Validate it's a Google Maps link
+      if (_shareIntentService.isGoogleMapsLink(sharedText)) {
+        final metadata = _shareIntentService.extractMetadata(sharedText);
+        _handleSharedMapsLink(metadata);
+      }
+    }
+  }
+
+  void _handleSharedMapsLink(MapsLinkMetadata metadata) {
+    // Navigate to the appropriate page or show a dialog
+    // You can customize this based on your app's flow
+
+    // Option 1: Navigate to collections page with data
+    _navigatorKey.currentState?.pushNamed(
+      CollectionsPage.routeName,
+      arguments: metadata,
+    );
+
+    // Option 2: Show a dialog to select collection and save
+    // This would be implemented based on your UI requirements
+  }
+
   @override
   Widget build(BuildContext context) {
     return MaterialApp(
+      navigatorKey: _navigatorKey,
       theme: ThemeData(
         colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
       ),