reinitialising project

lib/service/navigation_service.dart

@@ -0,0 +1,29 @@
+import 'package:flutter/material.dart';
+
+class NavigationService {
+  //
+  static NavigationService instance = NavigationService();
+
+  GlobalKey<NavigatorState>? navigatorKey;
+
+  NavigationService() {
+    navigatorKey = GlobalKey<NavigatorState>();
+  }
+
+  Future<dynamic>? navigateToReplacement(String _routeName) {
+    return navigatorKey!.currentState!.pushReplacementNamed(_routeName);
+  }
+
+  Future<dynamic>? navigateTo(String _routeName) {
+    return navigatorKey!.currentState!.pushNamed(_routeName);
+  }
+
+  Future<dynamic>? navigateToRoute(MaterialPageRoute _route) {
+    return navigatorKey!.currentState!.push(_route);
+  }
+
+  // Manually Call Function
+  void goBack() {
+    return navigatorKey!.currentState!.pop();
+  }
+}

lib/service/snackbar_service.dart

@@ -0,0 +1,44 @@
+import 'package:flutter/material.dart';
+
+class SnackBarService {
+  //
+
+  BuildContext? _buildContext;
+  static SnackBarService instance = SnackBarService();
+
+  set buildContext(BuildContext _context) {
+    _buildContext = _context;
+  }
+
+  void showSnackBarError(String _message) {
+    ScaffoldMessenger.of(_buildContext!).showSnackBar(
+      SnackBar(
+        duration: Duration(seconds: 2),
+        content: Text(
+          _message,
+          style: TextStyle(
+            color: Colors.white,
+            fontSize: 15,
+          ),
+        ),
+        backgroundColor: Colors.red,
+      ),
+    );
+  }
+
+  void showSnackBarSuccess(String _message) {
+    ScaffoldMessenger.of(_buildContext!).showSnackBar(
+      SnackBar(
+        duration: Duration(seconds: 2),
+        content: Text(
+          _message,
+          style: TextStyle(
+            color: Colors.white,
+            fontSize: 15,
+          ),
+        ),
+        backgroundColor: Colors.green,
+      ),
+    );
+  }
+}