How to Build a Real-time Chat App using Flutter, Socket.io & NodeJS?

Building a real-time chat app using Socket.io and NodeJS is a great way to create an interactive, dynamic platform for instant messaging. Socket.io provides a simple and efficient way to implement real-time communication between clients and servers, enabling smooth and seamless message delivery. By leveraging NodeJS, a powerful and scalable backend, you can manage multiple connections efficiently. In this blog, we will guide you through the steps to build a fully functional chat app, from setting up the server to handling user messages in real time. What Is Socket.io? Before we dive into the steps of building a real-time chat app, it’s important to understand Socket.io . Socket.io is a JavaScript library that enables real-time, bidirectional communication between web clients and servers. It uses WebSockets, a protocol that allows full-duplex communication channels over a single TCP connection. Socket.io provides event-driven communication, making it perfect for chat applications w...