initial upload

lib/services/udp_service.dart

@@ -0,0 +1,42 @@
+import 'dart:convert';
+import 'dart:io';
+import 'package:udp/udp.dart';
+
+class UdpService {
+  Future<bool> sendPackage({
+    required String data,
+    required String ipAddress,
+    required int port,
+  }) async {
+    UDP? sender;
+    try {
+      // Create UDP instance
+      sender = await UDP.bind(Endpoint.any());
+      
+      // Convert data to bytes
+      final dataBytes = utf8.encode(data);
+      
+      // Parse IP address
+      final address = InternetAddress(ipAddress);
+      
+      // Create endpoint
+      final destination = Endpoint.unicast(address, port: Port(port));
+      
+      // Send the packet
+      final bytesSent = await sender.send(dataBytes, destination);
+      
+      // Give a small delay to ensure packet is sent
+      await Future.delayed(const Duration(milliseconds: 100));
+      
+      return bytesSent > 0;
+    } catch (e) {
+      // Error occurred while sending UDP package
+      return false;
+    } finally {
+      // Always close the socket
+      sender?.close();
+    }
+  }
+}
+
+