Interceptor in Flutter Application
How to integrate Interceptor in Flutter Application. What is an interceptor? An interceptor is a middleware component that intercepts and modifies HTTP requests and responses. Interceptors are commonly used to implement features such as authentication, caching, and logging. How to integrate an interceptor in flutter application? Steps for implementing an interceptor in flutter application. Flutter has a built-in Interceptor class from the dio package, which is a popular HTTP client for Flutter. With Interceptor, you can intercept and modify HTTP requests and responses before they are sent or received. Add dio package in your existing or new flutter project. → flutter pub add dio Create a custom Dio file. In this file add your interceptor code. → custom_dio.dart import 'package:dio/dio.dart' ; import 'dart:developer' as dev; class CustomDio { static final CustomDio _singleton = CustomDio . _internal (); var dio = Dio (); factory CustomDio () { retu