added collections page

lib/service/maps_launcher_service.dart

@@ -0,0 +1,79 @@
+// service/maps_launcher_service.dart
+import 'dart:io' show Platform;
+import 'package:android_intent_plus/android_intent.dart';
+
+class MapsLauncherService {
+  /// Opens a URL in Google Maps app
+  /// Falls back to browser if Maps app is not installed
+  static Future<bool> openInGoogleMaps(String url) async {
+    if (!Platform.isAndroid) {
+      // Handle iOS or other platforms if needed
+      return false;
+    }
+
+    try {
+      // Try to open in Google Maps app
+      final intent = AndroidIntent(
+        action: 'action_view',
+        data: url,
+        package: 'com.google.android.apps.maps',
+      );
+
+      await intent.launch();
+      return true;
+    } catch (e) {
+      // Google Maps not installed, try browser as fallback
+      try {
+        final browserIntent = AndroidIntent(action: 'action_view', data: url);
+        await browserIntent.launch();
+        return true;
+      } catch (e) {
+        print('Failed to open maps link: $e');
+        return false;
+      }
+    }
+  }
+
+  /// Opens navigation to specific coordinates
+  static Future<bool> navigateToCoordinates(
+    String latitude,
+    String longitude,
+  ) async {
+    final url = 'google.navigation:q=$latitude,$longitude';
+    return openInGoogleMaps(url);
+  }
+
+  /// Opens a search query in Google Maps
+  static Future<bool> searchInMaps(String query) async {
+    final encodedQuery = Uri.encodeComponent(query);
+    final url = 'geo:0,0?q=$encodedQuery';
+    return openInGoogleMaps(url);
+  }
+
+  /// Shares a Google Maps link or location via Android share sheet
+  static Future<bool> shareLocation({
+    required String text,
+    String? subject,
+  }) async {
+    if (!Platform.isAndroid) {
+      return false;
+    }
+
+    try {
+      final intent = AndroidIntent(
+        action: 'action_send',
+        type: 'text/plain',
+        arguments: {
+          'android.intent.extra.TEXT': text,
+          if (subject != null) 'android.intent.extra.SUBJECT': subject,
+        },
+      );
+
+      await intent.launch();
+      return true;
+    } catch (e) {
+      print('Failed to share location: $e');
+      return false;
+    }
+  }
+}