A probable fix to the snackbar issue

lib/network/network_controller.dart

@@ -1,39 +1,50 @@
 import 'package:connectivity_plus/connectivity_plus.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
-///this class uses [connectivity_plus] package to check the internet and responds with a snack bar
-/// the [_updateConnectionStatus] gets the [ConnectivtyResult] form [onConnectivityChanged.listen] to check the connectivity
+import 'dart:async';
+
+/// This class uses [connectivity_plus] package to check the internet and responds with a snackbar.
+/// The [_updateConnectionStatus] gets the [ConnectivityResult] from [onConnectivityChanged.listen] to check the connectivity.
 class NetworkController extends GetxController {
   final Connectivity _connectivity = Connectivity();
+  final RxBool _isSnackbarOpen = false.obs; // To manually track the Snackbar state.
+
+  late final StreamSubscription<ConnectivityResult> _connectivitySubscription;
 
-  @override 
+  @override
   void onInit() {
     super.onInit();
-    _connectivity.onConnectivityChanged.listen(_updateConnectionStatus );
+    _connectivitySubscription = _connectivity.onConnectivityChanged.listen(_updateConnectionStatus);
+  }
+
+  @override
+  void onClose() {
+    _connectivitySubscription.cancel();
+    super.onClose();
   }
 
   void _updateConnectionStatus(ConnectivityResult connectivityResult) {
-
-      if (connectivityResult == ConnectivityResult.none) {
+    if (connectivityResult == ConnectivityResult.none) {
+      if (!_isSnackbarOpen.value) {
+        _isSnackbarOpen.value = true; // Mark Snackbar as open.
         Get.rawSnackbar(
           messageText: const Text(
             'PLEASE CONNECT TO THE INTERNET',
-            style: TextStyle(
-              color: Colors.white,
-              fontSize: 14
-            )
+            style: TextStyle(color: Colors.white, fontSize: 14),
           ),
           isDismissible: false,
-          duration: const Duration(days: 1),
+          duration: const Duration(days: 1), // Keeps the Snackbar open until manually dismissed.
           backgroundColor: Colors.red[400]!,
-          icon : const Icon(Icons.wifi_off, color: Colors.white, size: 35,),
+          icon: const Icon(Icons.wifi_off, color: Colors.white, size: 35),
           margin: EdgeInsets.zero,
-          snackStyle: SnackStyle.GROUNDED
+          snackStyle: SnackStyle.GROUNDED,
         );
-      } else {
-        if (Get.isSnackbarOpen) {
-          Get.closeCurrentSnackbar();
-        }
       }
+    } else {
+      if (_isSnackbarOpen.value) {
+        Get.closeCurrentSnackbar(); // Close the Snackbar.
+        _isSnackbarOpen.value = false; // Mark Snackbar as closed.
+      }
+    }
   }
-}
+}