initialized Application theme

lib/services/api/http_interceptor.dart

@@ -0,0 +1,44 @@
+import 'package:dio/dio.dart';
+
+
+class HTTPInterceptor extends InterceptorsWrapper {
+
+  @override
+  void onResponse(Response response, ResponseInterceptorHandler handler) async {
+    // Pass the response to the next interceptor or response handler.
+    return handler.next(response);
+  }
+
+  @override
+  void onRequest(RequestOptions options,
+      RequestInterceptorHandler handler) async {
+    // TODO: Implement logic for adding headers to requests.
+    // This method is called before a request is sent.
+    super.onRequest(options, handler);
+  }
+
+  @override
+  void onError(DioException err, ErrorInterceptorHandler handler) async {
+    // TODO: Implement error handling logic.
+    // This method is called when an error occurs during a request.
+    super.onError(err, handler);
+  }
+
+  /// Validates the response and returns true if it is successful (status code 2xx).
+  Future<bool> validateResponse(Response response) async {
+    if (response.statusCode != null) {
+      if (response.statusCode! >= 200 && response.statusCode! < 300) {
+        // If the response status code is within the successful range (2xx),
+        // return true indicating a successful response.
+        return true;
+      } else {
+        // If the response status code is not within the successful range (2xx),
+        // return false indicating an unsuccessful response.
+        return false;
+      }
+    } else {
+      // If the response status code is null, return false indicating an unsuccessful response.
+      return false;
+    }
+  }
+}