{"id":36997,"date":"2025-04-10T19:05:01","date_gmt":"2025-04-10T13:35:01","guid":{"rendered":"https:\/\/mobisoftinfotech.com\/resources\/?p=36997"},"modified":"2026-03-11T18:42:18","modified_gmt":"2026-03-11T13:12:18","slug":"flutter-websockets-tutorial-integrating-websockets","status":"publish","type":"post","link":"https:\/\/mobisoftinfotech.com\/resources\/blog\/mobile\/flutter-websockets-tutorial-integrating-websockets","title":{"rendered":"Flutter WebSockets Tutorial: Integrating WebSockets in Your Flutter App &#8211; A Step-by-Step Guide"},"content":{"rendered":"<h2 class=\"wp-block-heading\"><strong>What is WebSocket in Flutter?<\/strong><\/h2>\n\n\n\n<p>A WebSocket is a protocol that enables bidirectional, real-time communication between a client and a server through a single, persistent TCP connection. Unlike standard HTTP, which establishes a new connection for every request and response, WebSockets in Flutter maintain a continuous connection, allowing for ongoing, real-time data transfer in your Flutter app. This means both the client and server can send and receive messages at any time without the need to re-establish connections continually.<\/p>\n\n\n\n<p>Flutter WebSockets are commonly used in applications that require live updates or continuous interaction\u2014such as online games, real-time chat apps in Flutter, stock market feeds, or collaborative tools. The process begins with an HTTP handshake to initiate the connection. Once established, the communication transitions to the WebSocket protocol, enabling efficient data transfer without the need to repeatedly open and close connections.<\/p>\n\n\n\n<p>Conceptually, WebSocket in Flutter is just a layer on top of TCP.<\/p>\n\n\n\n<p>If you&#8217;re interested in building scalable real-time applications, partnering with a <a href=\"https:\/\/mobisoftinfotech.com\/services\/flutter-app-development-company\"><strong>Flutter application development<\/strong><\/a> company can help streamline your development process.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>How is TCP Different from HTTP in Flutter WebSocket Communication?<\/strong><\/h2>\n\n\n\n<p>HTTP creates a new connection for each request, which places an extra load on the server as it needs to perform a new handshake for every interaction. After a request is fulfilled, the connection is terminated. In contrast, a TCP connection remains open and persistent as long as neither the client nor the server interrupts or ends the communication.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>How Does WebSocket Work in Flutter Apps?<\/strong><\/h3>\n\n\n\n<p>WebSocket works by establishing a persistent, two-way connection between a client and a server, allowing both to send and receive data at any time. Here\u2019s how it works:<\/p>\n\n\n\n<h4 class=\"wp-block-heading list-h3-heading\"><strong>Handshake<\/strong><\/h4>\n\n\n\n<p>The process begins with the client sending an HTTP request to the server, requesting to upgrade the connection to a WebSocket. This request includes a special header indicating that the client wants to use the WebSocket protocol. The server responds, confirming its agreement to proceed with the upgrade.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><noscript><img decoding=\"async\" width=\"855\" height=\"338\" src=\"https:\/\/mobisoftinfotech.com\/resources\/wp-content\/uploads\/2025\/04\/flutter-websocket-client-implementation.png\" alt=\"Flutter WebSocket Client Code Example\" class=\"wp-image-37014\" title=\"Flutter WebSocket Client Implementation\"><\/noscript><img decoding=\"async\" width=\"855\" height=\"338\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20855%20338%22%3E%3C%2Fsvg%3E\" alt=\"Flutter WebSocket Client Code Example\" class=\"wp-image-37014 lazyload\" title=\"Flutter WebSocket Client Implementation\" data-src=\"https:\/\/mobisoftinfotech.com\/resources\/wp-content\/uploads\/2025\/04\/flutter-websocket-client-implementation.png\"><\/figure>\n\n\n\n<h4 class=\"wp-block-heading list-h3-heading\"><strong>Upgrade to WebSocket<\/strong><\/h4>\n\n\n\n<p>Once the server agrees, the connection switches from HTTP to WebSocket. At this point, the connection is persistent, meaning it remains open as long as the client and server need to communicate. From this point on, the data is transmitted using the WebSocket protocol rather than HTTP.<\/p>\n\n\n\n<h4 class=\"wp-block-heading list-h3-heading\"><strong>Bi-directional Communication<\/strong><\/h4>\n\n\n\n<p>Once the upgrade is complete, both the client and server can send and receive messages autonomously. This is in contrast to the traditional request-response model of HTTP, where the client always has to initiate communication. WebSockets in Flutter allow for real-time, continuous data flow in both directions.<\/p>\n\n\n\n<h4 class=\"wp-block-heading list-h3-heading\"><strong>Data Transfer<\/strong><\/h4>\n\n\n\n<p>Data sent over WebSockets is broken down into smaller frames, which can include text, binary data, or control information. These frames are efficiently transmitted, which helps reduce overhead compared to HTTP.<\/p>\n\n\n\n<h4 class=\"wp-block-heading list-h3-heading\"><strong>Connection Persistence<\/strong><\/h4>\n\n\n\n<p>The WebSocket connection remains open as long as both sides want to keep it. This allows for instant communication without the need for repeated handshakes. The connection is only closed when either the client or server decides to end it.<\/p>\n\n\n\n<h4 class=\"wp-block-heading list-h3-heading\"><strong>Closing the Connection<\/strong><\/h4>\n\n\n\n<p>When either the client or server wants to terminate the connection, they send a special frame to gracefully close the WebSocket connection. When the connection is closed, the communication concludes, and the resources it utilized are released.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/mobisoftinfotech.com\/services\/flutter-app-development-company?utm_source=blog&amp;utm_medium=referral&amp;utm_campaign=flutter-websockets-tutorial-integrating-websockets-cta1\"><noscript><img decoding=\"async\" width=\"855\" height=\"363\" src=\"https:\/\/mobisoftinfotech.com\/resources\/wp-content\/uploads\/2025\/04\/10x-growth-flutter-websocket-app.png\" alt=\"Path to 10x Growth with Flutter\" class=\"wp-image-37025\" title=\"Unlock 10x Growth with a Flutter WebSocket App\"><\/noscript><img decoding=\"async\" width=\"855\" height=\"363\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20855%20363%22%3E%3C%2Fsvg%3E\" alt=\"Path to 10x Growth with Flutter\" class=\"wp-image-37025 lazyload\" title=\"Unlock 10x Growth with a Flutter WebSocket App\" data-src=\"https:\/\/mobisoftinfotech.com\/resources\/wp-content\/uploads\/2025\/04\/10x-growth-flutter-websocket-app.png\"><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Why Do We Need WebSocket in Flutter Applications?<\/strong><\/h2>\n\n\n\n<p>WebSockets are essential for real-time, bidirectional communication in applications built through<strong> <\/strong><a href=\"https:\/\/mobisoftinfotech.com\/services\/flutter-consulting-development\">flutter development services<\/a><strong>,<\/strong> where frequent updates or constant interaction between the client and server are needed. Traditional methods like HTTP are request-response based, which means the client has to keep making requests to the server to check for updates. This can lead to delays and inefficiency\u2014especially in dynamic applications like real-time chat apps in Flutter, online games, or financial trading platforms.<\/p>\n\n\n\n<p>With Flutter WebSockets, once the connection is established, both the client and server can send messages to each other at any time without the need to repeatedly initiate requests. This makes WebSocket in Flutter ideal for scenarios where instant feedback or data synchronization is crucial, such as live notifications, collaborative editing, or monitoring real-time data streams.<\/p>\n\n\n\n<p>By maintaining a persistent connection, WebSocket-based communication in Flutter reduces the overhead of repeatedly opening and closing connections, providing faster communication, lower latency, and a more efficient way to handle real-time data exchange.<\/p>\n\n\n\n<p>If you&#8217;re building a backend to support your Flutter app\u2019s real-time features and need an efficient server solution,<a href=\"https:\/\/mobisoftinfotech.com\/services\/nodejs-development-company\"> <strong>Node.js development<\/strong><\/a> could help scale your project.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>When Should We Use WebSocket in Flutter Apps?<\/strong><\/h3>\n\n\n\n<p>WebSocket in Flutter should be used when your application requires real-time, low-latency communication where both the client and server need to send and receive data continuously or at unpredictable intervals. It\u2019s ideal in scenarios where frequent updates or instant feedback are essential and traditional HTTP polling would be inefficient or slow.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>When Should We Avoid Using WebSocket in Flutter?<\/strong><\/h3>\n\n\n\n<p>WebSockets in Flutter are not ideal for scenarios where real-time communication isn&#8217;t necessary or when the cost of maintaining an open connection exceeds the advantages.<\/p>\n\n\n\n<h4 class=\"wp-block-heading list-h3-heading\"><strong>Low Traffic or Infrequent Updates<\/strong><\/h4>\n\n\n\n<p>If your app only needs occasional or one-time data exchanges (like simple form submissions or infrequent page refreshes), using WebSockets would introduce unnecessary complexity and resource consumption. In these situations, traditional HTTP requests are a better fit.<\/p>\n\n\n\n<h4 class=\"wp-block-heading list-h3-heading\"><strong>Static or Simple Content<\/strong><\/h4>\n\n\n\n<p>For websites or applications that serve mostly static content with minimal need for dynamic updates (e.g., blogs or news sites), WebSockets are overkill, and regular HTTP\/HTTPS would be more efficient.<\/p>\n\n\n\n<h4 class=\"wp-block-heading list-h3-heading\"><strong>Resource Constraints<\/strong><\/h4>\n\n\n\n<p>Devices or environments with limited system memory or processing power (e.g., IoT devices or low-end smartphones) may struggle with maintaining multiple open WebSocket connections in Flutter, especially when the app scales to many users.<\/p>\n\n\n\n<h4 class=\"wp-block-heading list-h3-heading\"><strong>Security Concern<\/strong>s<\/h4>\n\n\n\n<p>Improper implementation of WebSocket in Flutter apps could lead to vulnerabilities like man-in-the-middle attacks. If the environment or application lacks proper security mechanisms, it\u2019s better to rely on more secure, stateless protocols like HTTPS.<\/p>\n\n\n\n<h4 class=\"wp-block-heading list-h3-heading\"><strong>Complexity in Scaling<\/strong><\/h4>\n\n\n\n<p>WebSocket connections are stateful, requiring each client to keep a connection open. In applications with heavy traffic, handling and scaling WebSocket connections can be more challenging than with stateless protocols such as HTTP.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Advantages of Using WebSocket in Flutter Apps<\/strong><\/h3>\n\n\n\n<p>Using Flutter WebSockets brings a variety of advantages that make them ideal for real-time app development:<\/p>\n\n\n\n<h4 class=\"wp-block-heading list-h3-heading\"><strong>Instant Data Exchange<\/strong><\/h4>\n\n\n\n<p>WebSockets enable real-time, bidirectional communication between the client and server, allowing messages to be sent and received instantly as events occur.<\/p>\n\n\n\n<h4 class=\"wp-block-heading list-h3-heading\"><strong>Faster Communication<\/strong><\/h4>\n\n\n\n<p>Since the connection stays open, there&#8217;s no need to reconnect for each interaction. This minimizes the delays common in request-response models, resulting in faster and more responsive communication for Flutter real-time app development.<\/p>\n\n\n\n<h4 class=\"wp-block-heading list-h3-heading\"><strong>Reduced Resource Consumption<\/strong><\/h4>\n\n\n\n<p>By maintaining a persistent connection, WebSockets in Flutter apps reduce the need for repeated requests and responses, conserving bandwidth and easing the load on servers.<\/p>\n\n\n\n<h4 class=\"wp-block-heading list-h3-heading\"><strong>Efficiency in High Traffic&nbsp;<\/strong><\/h4>\n\n\n\n<p>WebSockets excel in environments with high-frequency interactions, such as Flutter real-time chat apps, live updates, or multiplayer games, providing scalable performance.<\/p>\n\n\n\n<h4 class=\"wp-block-heading list-h3-heading\"><strong>Seamless User Experience<\/strong><\/h4>\n\n\n\n<p>Users get instant notifications and updates without the need to refresh pages or request new data, creating a smoother and more engaging experience.<\/p>\n\n\n\n<h4 class=\"wp-block-heading list-h3-heading\"><strong>Bandwidth Savings<\/strong><\/h4>\n\n\n\n<p>The protocol transmits data in smaller, more efficient packets, cutting down unnecessary data usage compared to traditional polling or repeated requests.<\/p>\n\n\n\n<h4 class=\"wp-block-heading list-h3-heading\"><strong>Improved Interaction<\/strong><\/h4>\n\n\n\n<p>The server and client can transmit data independently, making WebSockets in Flutter perfect for collaborative tools, live streams, or interactive applications that require continuous user input and immediate responses.<\/p>\n\n\n\n<h4 class=\"wp-block-heading list-h3-heading\"><strong>Ideal for Large-Scale, Interactive Apps<\/strong><\/h4>\n\n\n\n<p>WebSockets are perfect for applications like gaming, real-time stock tracking, and collaborative platforms, where ongoing interaction is essential.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Disadvantages of WebSocket in Flutter Apps<\/strong><\/h3>\n\n\n\n<p>While WebSockets in Flutter apps offer numerous advantages, there are also some potential drawbacks to consider:<\/p>\n\n\n\n<h4 class=\"wp-block-heading list-h3-heading\"><strong>Complexity in Setup<\/strong><\/h4>\n\n\n\n<p>Implementing WebSockets in Flutter can be more complex compared to traditional HTTP protocols, especially when dealing with server configuration, handling connections, and managing long-lived connections.<\/p>\n\n\n\n<h4 class=\"wp-block-heading list-h3-heading\"><strong>Resource Intensive<\/strong><\/h4>\n\n\n\n<p>Keeping Flutter WebSocket connections open can use up more server resources since each connection remains active. This can be problematic when scaling to large numbers of clients, particularly on servers with limited resources.<\/p>\n\n\n\n<h4 class=\"wp-block-heading list-h3-heading\"><strong>Network Issues<\/strong><\/h4>\n\n\n\n<p>WebSocket connections are sensitive to network disruptions. If the connection is lost, it needs to be re-established, which can cause delays or require additional logic to handle reconnections effectively.<\/p>\n\n\n\n<h4 class=\"wp-block-heading list-h3-heading\"><strong>Security Concerns<\/strong><\/h4>\n\n\n\n<p>WebSockets require proper security practices, such as using the <em>wss:\/\/<\/em> (secure WebSocket) protocol. If not secured properly, they can be vulnerable to attacks like man-in-the-middle or denial-of-service attacks.<\/p>\n\n\n\n<h4 class=\"wp-block-heading list-h3-heading\"><strong>Limited Browser Support in Some Cases<\/strong><\/h4>\n\n\n\n<p>Although WebSockets are supported by most modern browsers, compatibility issues may arise with older browsers or environments that don&#8217;t support the protocol.<\/p>\n\n\n\n<h4 class=\"wp-block-heading list-h3-heading\"><strong>Not Always Necessary<\/strong><\/h4>\n\n\n\n<p>If your application doesn&#8217;t need real-time updates or regular data exchanges, the effort required to manage WebSocket connections in Flutter may be excessive. In such cases, traditional HTTP or alternative methods like long polling may be more suitable.<\/p>\n\n\n\n<h4 class=\"wp-block-heading list-h3-heading\"><strong>Difficult to Scale in Some Architectures<\/strong><\/h4>\n\n\n\n<p>Managing WebSocket in Flutter connections across multiple servers or within large distributed systems can be difficult. Load balancing and session management often require specialized infrastructure.<\/p>\n\n\n\n<h4 class=\"wp-block-heading list-h3-heading\"><strong>Statefulness<\/strong><\/h4>\n\n\n\n<p>WebSockets are stateful connections, meaning that the server needs to track each connection. This can lead to difficulties in scaling or managing connections in a fault-tolerant way.<\/p>\n\n\n\n<p>Bringing WebSockets into your Flutter app is like giving it a direct line to the server\u2014no more knocking on the door every few seconds asking, \u201cAny updates?\u201d Instead, your app and backend stay in constant conversation, making everything feel faster and more alive. Whether you\u2019re building a chat app with WebSockets in Flutter, tracking live data, or syncing gameplay in real time, WebSockets help you do it smoothly.<\/p>\n\n\n\n<p>If you need assistance integrating WebSockets for real-time features or<a href=\"https:\/\/mobisoftinfotech.com\/services\/hire-flutter-developers\"> <strong>hire Flutter developers<\/strong><\/a> to develop a custom solution, working with an experienced team can make the process much smoother.<\/p>\n\n\n\n<p>Thanks to the <code>web_socket_channel<\/code> package, setting it up in Flutter is pretty straightforward. You open a connection, listen for updates, send messages it\u2019s all super seamless. Think of it as a real-time hotline powered by Flutter WebSockets, keeping everything in sync without breaking a sweat. Your users will feel the difference.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Let\u2019s dive into how to integrate WebSockets in your Flutter app.<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Integrating WebSockets in Your Flutter App<\/strong><\/h3>\n\n\n\n<p>Here we are using the package <code>:web_socket_channel<\/code> package from <a href=\"https:\/\/pub.dev\/\" target=\"_blank\" rel=\"noreferrer noopener\">pub.dev<\/a> and the package link is <a href=\"https:\/\/pub.dev\/packages\/web_socket_channel\" target=\"_blank\" rel=\"noreferrer noopener\">WebSocketChannel<\/a> to implement the socket in flutter project. Please follow the following steps for complete installation and use.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Step 1: Installation<\/strong><\/h4>\n\n\n\n<p>First, create a flutter project then add the <code>web_socket_channel: ^3.0.2<\/code><em> <\/em>&nbsp;package to the <code>dependencies:<\/code> section of your project\u2019s <code>pubspec.yaml<\/code> file, and then run the command <code>flutter pub get<\/code> to install the dependency, as shown in the below screenshot.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><noscript><img decoding=\"async\" width=\"855\" height=\"277\" src=\"https:\/\/mobisoftinfotech.com\/resources\/wp-content\/uploads\/2025\/04\/install-websocket-package-in-flutter.png\" alt=\"Installing WebSocket package in Flutter\" class=\"wp-image-37027\" title=\"Installing WebSocket Package in Flutter\"><\/noscript><img decoding=\"async\" width=\"855\" height=\"277\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20855%20277%22%3E%3C%2Fsvg%3E\" alt=\"Installing WebSocket package in Flutter\" class=\"wp-image-37027 lazyload\" title=\"Installing WebSocket Package in Flutter\" data-src=\"https:\/\/mobisoftinfotech.com\/resources\/wp-content\/uploads\/2025\/04\/install-websocket-package-in-flutter.png\"><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Step 2: Create Singleton Class<\/strong><\/h4>\n\n\n\n<p>Create a new directory under the <code>lib<\/code> folder and add a Dart file named <code>socket_manager.dart.<\/code> In this file, define a singleton class, <code>SocketManager<\/code>, to manage WebSocket methods, as demonstrated in the screenshots below. We are using a Singleton class to prevent the creation of multiple client-server connections.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><noscript><img decoding=\"async\" width=\"855\" height=\"277\" src=\"https:\/\/mobisoftinfotech.com\/resources\/wp-content\/uploads\/2025\/04\/create-websocket-singleton-class.png\" alt=\"Flutter WebSocket Singleton Class Example\" class=\"wp-image-37017\" title=\"Create Singleton Class for WebSocket in Flutter\"><\/noscript><img decoding=\"async\" width=\"855\" height=\"277\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20855%20277%22%3E%3C%2Fsvg%3E\" alt=\"Flutter WebSocket Singleton Class Example\" class=\"wp-image-37017 lazyload\" title=\"Create Singleton Class for WebSocket in Flutter\" data-src=\"https:\/\/mobisoftinfotech.com\/resources\/wp-content\/uploads\/2025\/04\/create-websocket-singleton-class.png\"><\/figure>\n\n\n\n<p><strong>Please see the code for the Singleton class below.<\/strong><\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-1\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\"><span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">SocketManager<\/span> <\/span>{\n  <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">final<\/span> SocketManager _shared = SocketManager._();\n\n  <span class=\"hljs-comment\">\/\/Singleton accessor;<\/span>\n  <span class=\"hljs-keyword\">static<\/span> SocketManager get shared =&gt; _shared;\n\n  SocketManager._();\n\n}<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-1\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PHP<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">php<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<h4 class=\"wp-block-heading\"><strong>Step 3: Create Instance<\/strong><\/h4>\n\n\n\n<p>Create an instance of <code>WebSocketChannel<\/code> named <code>webSocketChannel<\/code> and import the necessary path for <code>WebSocketChannel<\/code> as demonstrated below.<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-2\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\">import <span class=\"hljs-string\">'package:web_socket_channel\/web_socket_channel.dart'<\/span>;\n\n<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">SocketManager<\/span> <\/span>{\n  <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">final<\/span> SocketManager _shared = SocketManager._();\n\n  <span class=\"hljs-comment\">\/\/Singleton accessor;<\/span>\n  <span class=\"hljs-keyword\">static<\/span> SocketManager get shared =&gt; _shared;\n\n  SocketManager._();\n\n   <span class=\"hljs-comment\">\/\/Instance of WebSocketChannel<\/span>\n  WebSocketChannel? webSocketChannel;\n}<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-2\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PHP<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">php<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<h4 class=\"wp-block-heading\"><strong>Step 4: Set up Functions to Handle Your Socket Communication<\/strong><\/h4>\n\n\n\n<p>Define each socket method individually within the SocketManager class to handle socket operations, as detailed below.<\/p>\n\n\n\n<p>1. The <code>connect()<\/code> method in a socket is used to establish a connection between a client and a server over a network. Please replace valid socket url with text \u2018your_socket_url\u2019.<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-3\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\">WebSocketChannel? webSocketChannel;\n\n<span class=\"hljs-comment\">\/\/<span class=\"hljs-doctag\">TODO:<\/span> Connect to a server<\/span>\nFuture&lt;void&gt; connect() async {\n  <span class=\"hljs-keyword\">final<\/span> wsUrl = Uri.parse(<span class=\"hljs-string\">'your_socket_url'<\/span>);\n  <span class=\"hljs-keyword\">try<\/span> {\n        webSocketChannel = WebSocketChannel.connect(wsUrl);\n  } <span class=\"hljs-keyword\">catch<\/span> (<span class=\"hljs-keyword\">exception<\/span>) {\n    <span class=\"hljs-keyword\">print<\/span>(<span class=\"hljs-keyword\">exception<\/span>);\n  }\n}<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-3\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PHP<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">php<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>2. The <code>sendMessage()<\/code> method in a socket is used to send data from the client to the server over an established socket connection. It allows you to transmit messages or data as a sequence of bytes over the network.<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-4\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-comment\">\/\/<span class=\"hljs-doctag\">TODO:<\/span> Send messages to the server<\/span>\n<span class=\"hljs-keyword\">void<\/span> sendMessage(<span class=\"hljs-built_in\">String<\/span> message) <span class=\"hljs-keyword\">async<\/span> {\n  webSocketChannel?.sink.add(message);\n}<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-4\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>3. The <code>_listenToWebSocket()<\/code> method in the context of WebSockets is used by the client to wait for incoming WebSocket connection requests from the server.<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-5\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-comment\">\/\/<span class=\"hljs-doctag\">TODO:<\/span> Receive messages from the server<\/span>\n<span class=\"hljs-keyword\">void<\/span> _listenToWebSocket() {\n  webSocketChannel?.stream.listen((message) {\n    print(message);\n  });\n}<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-5\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>4. The&nbsp; <code>_listenToWebSocketClosure()<\/code> method in the context of WebSockets is used by the client to wait for connection close requests from the server. This method provides a callback in cases like the internet disconnected the app cbeing losed by the user.<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-6\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\"><span class=\"hljs-comment\">\/\/<span class=\"hljs-doctag\">TODO:<\/span> Perform actions when the WebSocket is closed.<\/span>\nvoid _listenToWebSocketClosure() {\n  webSocketChannel?.sink.done.then((value) {\n    <span class=\"hljs-comment\">\/\/You will receive a callback here after the connection closes.<\/span>\n  }).catchError((error) {\n    <span class=\"hljs-keyword\">print<\/span>(error);\n  });\n}<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-6\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PHP<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">php<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>5. The <code>disconnect()<\/code> method in the context of WebSockets is used to close the WebSocket connection between the client and the server.<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-7\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-comment\">\/\/<span class=\"hljs-doctag\">TODO:<\/span> Close connection with the server.<\/span>\n<span class=\"hljs-keyword\">void<\/span> disconnect() {\n  webSocketChannel?.sink.close();\n}<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-7\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>6. Call <code>_listenToWebSocket()<\/code> and <code>_listenToWebSocketClosure()<\/code> in the <code>connect()<\/code> method\u2019s definition after the connection is established to initiate the listener as shown in the code.<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-8\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\"><span class=\"hljs-comment\">\/\/<span class=\"hljs-doctag\">TODO:<\/span> Connect to a server<\/span>\nFuture&lt;void&gt; connect() async {\n  <span class=\"hljs-keyword\">final<\/span> wsUrl = Uri.parse(<span class=\"hljs-string\">'your_socket_url'<\/span>);\n  <span class=\"hljs-keyword\">try<\/span> {\n       webSocketChannel = WebSocketChannel.connect(wsUrl);\n    _listenToWebSocket();\n    _listenToWebSocketClosure();\n  } <span class=\"hljs-keyword\">catch<\/span> (<span class=\"hljs-keyword\">exception<\/span>) {\n    <span class=\"hljs-keyword\">print<\/span>(<span class=\"hljs-keyword\">exception<\/span>);\n  }\n}<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-8\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PHP<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">php<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<h4 class=\"wp-block-heading\"><strong>Step 5: WebSocket Workflow in Practice<\/strong><strong>&nbsp;<\/strong><\/h4>\n\n\n\n<p>We\u2019ve implemented all the necessary methods in the SocketManager class. Now, let\u2019s move on to an example that demonstrates how to use those methods.<br><br>Lets see with one simple chat example. To create a chat application we are going to use <em>wss:\/\/echo.websocket.org<\/em> url. The URL is a free public WebSocket echo server provided by the developers of the WebSocket protocol for testing and experimentation purposes.<\/p>\n\n\n\n<p>The URL <em>wss:\/\/echo.websocket.org<\/em>&nbsp; is a WebSocket echo server, meaning it is primarily designed to echo any messages sent to it back to the sender. It doesn&#8217;t broadcast messages to other clients. In other words, if you send a message to this WebSocket server, you will receive that same message back, but the server does not send the message to other connected clients.<\/p>\n\n\n\n<p>If you&#8217;re looking for a WebSocket server that supports broadcasting to multiple clients, you would need to use or set up a WebSocket server with broadcasting functionality.&nbsp; For instance,<a href=\"https:\/\/mobisoftinfotech.com\/resources\/blog\/websockets-server-nodejs-socketio-tutorial\"> <strong>WebSockets Server in Node.js with Socket.io: A Complete Tutorial<\/strong><\/a> covers how to set up a WebSocket server using Node.js and Socket.io, which might be useful if you need more control and flexibility in your WebSocket server implementation.<\/p>\n\n\n\n<p>The goal here is to demonstrate how to integrate a WebSocket and utilize its methods, including connecting to the WebSocket server, sending messages, and receiving messages from the WebSocket server.<\/p>\n\n\n\n<p>Add <em>wss:\/\/echo.websocket.org<\/em> to this URL in your connect function. As shown in the code below.<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-9\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\"><span class=\"hljs-comment\">\/\/<span class=\"hljs-doctag\">TODO:<\/span> Connect to a server<\/span>\nFuture&lt;void&gt; connect() async {\n    <span class=\"hljs-keyword\">final<\/span> wsUrl = Uri.parse(<span class=\"hljs-string\">'wss:\/\/echo.websocket.org'<\/span>);\n    <span class=\"hljs-keyword\">try<\/span> {\n          webSocketChannel = WebSocketChannel.connect(wsUrl);\n           _listenToWebSocket();\n           _listenToWebSocketClosure();\n          } <span class=\"hljs-keyword\">catch<\/span> (<span class=\"hljs-keyword\">exception<\/span>) {\n    <span class=\"hljs-keyword\">print<\/span>(<span class=\"hljs-keyword\">exception<\/span>);\n          }\n}&nbsp;<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-9\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PHP<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">php<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<h5 class=\"wp-block-heading\">1. <strong>Design UI<\/strong><\/h5>\n\n\n\n<p>Let&#8217;s Add Two Screens :The home screen and the chat screen, within the lib directory. A home screen for connecting to the server, accessing the chat interface, and disconnecting from the server. Chat screen for communicating with the WebSocket server and sending, receiving and displaying messages.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><noscript><img decoding=\"async\" width=\"855\" height=\"277\" src=\"https:\/\/mobisoftinfotech.com\/resources\/wp-content\/uploads\/2025\/04\/design-flutter-websocket-ui.png\" alt=\"Designing UI for Flutter WebSocket App\" class=\"wp-image-37018\" title=\"Designing the UI for a Flutter WebSocket App\"><\/noscript><img decoding=\"async\" width=\"855\" height=\"277\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20855%20277%22%3E%3C%2Fsvg%3E\" alt=\"Designing UI for Flutter WebSocket App\" class=\"wp-image-37018 lazyload\" title=\"Designing the UI for a Flutter WebSocket App\" data-src=\"https:\/\/mobisoftinfotech.com\/resources\/wp-content\/uploads\/2025\/04\/design-flutter-websocket-ui.png\"><\/figure>\n\n\n\n<p>Implement three buttons on the home screen: one for connecting to the server, another for navigating to the chat screen, and a third for disconnecting from the server. On the chat screen, create a basic chat interface for sending and displaying messages, as shown in the screenshots below.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><noscript><img decoding=\"async\" width=\"855\" height=\"423\" src=\"https:\/\/mobisoftinfotech.com\/resources\/wp-content\/uploads\/2025\/04\/flutter-websocket-chat-screen.png\" alt=\"Flutter WebSocket Chat Screen\" class=\"wp-image-37019\" title=\"Flutter Chat Screen for WebSocket Communication\"><\/noscript><img decoding=\"async\" width=\"855\" height=\"423\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20855%20423%22%3E%3C%2Fsvg%3E\" alt=\"Flutter WebSocket Chat Screen\" class=\"wp-image-37019 lazyload\" title=\"Flutter Chat Screen for WebSocket Communication\" data-src=\"https:\/\/mobisoftinfotech.com\/resources\/wp-content\/uploads\/2025\/04\/flutter-websocket-chat-screen.png\"><\/figure>\n\n\n\n<p>I&#8217;ve provided a link to the example code for the design at the end of the blog.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">2. <strong>Create Helper Class<\/strong><\/h5>\n\n\n\n<p>Let&#8217;s create an additional file, named SocketHelper, to handle incoming messages from the WebSocket server and broadcast messages to update the screen.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><noscript><img decoding=\"async\" width=\"855\" height=\"277\" src=\"https:\/\/mobisoftinfotech.com\/resources\/wp-content\/uploads\/2025\/04\/create-websocket-helper-class.png\" alt=\"Flutter WebSocket Helper Class Example\" class=\"wp-image-37020\" title=\"Create Helper Class for WebSocket in Flutter\"><\/noscript><img decoding=\"async\" width=\"855\" height=\"277\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20855%20277%22%3E%3C%2Fsvg%3E\" alt=\"Flutter WebSocket Helper Class Example\" class=\"wp-image-37020 lazyload\" title=\"Create Helper Class for WebSocket in Flutter\" data-src=\"https:\/\/mobisoftinfotech.com\/resources\/wp-content\/uploads\/2025\/04\/create-websocket-helper-class.png\"><\/figure>\n\n\n\n<p><br>For broadcasting, I used the&nbsp; <em>fbroadcast: ^2.0.0 <\/em>package. Add this package to the <em>dependencies<\/em><em>:<\/em> section of your project\u2019s <em>pubspec.yaml<\/em> file, and then run the command <em>flutter pub get<\/em> to install the dependency, as shown in the below screenshot.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><noscript><img decoding=\"async\" width=\"855\" height=\"375\" src=\"https:\/\/mobisoftinfotech.com\/resources\/wp-content\/uploads\/2025\/04\/install-websocket-flutter-dependency.png\" alt=\"Install WebSocket Dependency in Flutter\" class=\"wp-image-37016\" title=\"Installing WebSocket Dependency for Flutter\"><\/noscript><img decoding=\"async\" width=\"855\" height=\"375\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20855%20375%22%3E%3C%2Fsvg%3E\" alt=\"Install WebSocket Dependency in Flutter\" class=\"wp-image-37016 lazyload\" title=\"Installing WebSocket Dependency for Flutter\" data-src=\"https:\/\/mobisoftinfotech.com\/resources\/wp-content\/uploads\/2025\/04\/install-websocket-flutter-dependency.png\"><\/figure>\n\n\n\n<p><br>Write two methods in the <code>SocketHelper<\/code> class name as <code>handleSocketResponse<\/code><em> <\/em>and <code>sendLocal<\/code><em> <\/em>methods. <code>handleSocketResponse <\/code>is for distributing listened messages from the WebSocket server. <code>sendLocal<\/code><em> <\/em>is for broadcasting messages.<\/p>\n\n\n\n<p>Import <code>fbroadcast: ^2.0.0<\/code> package\u2019s path in the same file. Here is the reference code :<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-10\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-keyword\">import<\/span> <span class=\"hljs-string\">'package:fbroadcast\/fbroadcast.dart'<\/span>;\n\n<span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">SocketHelper<\/span> <\/span>{\n  <span class=\"hljs-keyword\">static<\/span> handleSocketResponse(<span class=\"hljs-built_in\">String<\/span> response) {\n    <span class=\"hljs-keyword\">var<\/span> responseArray = response.split(<span class=\"hljs-string\">':'<\/span>);\n    <span class=\"hljs-keyword\">if<\/span> (responseArray.first == <span class=\"hljs-string\">'message'<\/span>) {\n      sendLocal(responseArray.last);\n    } <span class=\"hljs-keyword\">else<\/span> <span class=\"hljs-keyword\">if<\/span> (response.contains(<span class=\"hljs-string\">'Request served by'<\/span>)) {\n      sendLocal(<span class=\"hljs-string\">'connected'<\/span>);\n    } <span class=\"hljs-keyword\">else<\/span> <span class=\"hljs-keyword\">if<\/span> (response.isEmpty) {\n      sendLocal(<span class=\"hljs-string\">'disconnected'<\/span>);\n    }\n  }\n\n  <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> sendLocal(<span class=\"hljs-built_in\">String<\/span> message) {\n    FBroadcast.instance().broadcast(<span class=\"hljs-string\">\"message_received\"<\/span>, <span class=\"hljs-attr\">value<\/span>: message);\n  }\n}<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-10\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<h5 class=\"wp-block-heading\">3. <strong>Make Connection<\/strong><\/h5>\n\n\n\n<p>Tap the &#8216;Connect&#8217; button to invoke the connect method we implemented in the SocketManager &nbsp;class.<\/p>\n\n\n<pre class=\"wp-block-code\"><span><code class=\"hljs\">onPressed: () {\n  SocketManager.shared.connect();\n},<\/code><\/span><\/pre>\n\n\n<p>Once the connection is established, we receive a callback message string from the WebSocket server in the <code>_listenToWebSocket()<\/code> method, such as Request served by &lt;Id&gt;.<\/p>\n\n\n\n<p>Next, click the &#8216;Let&#8217;s Chat&#8217; button to navigate to the chat screen.<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-11\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\">onPressed: () {\n  Navigator.of(context).push(MaterialPageRoute(\n      builder: <span class=\"hljs-function\">(<span class=\"hljs-params\">context<\/span>) =&gt;<\/span> ChatScreen()));\n},<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-11\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<h5 class=\"wp-block-heading\">4. <strong>Send Message<\/strong><\/h5>\n\n\n\n<p>To send a message to the web server, type your message in the text box on the chat screen and tap the send button.<br><\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-12\" data-shcb-language-name=\"HTTP\" data-shcb-language-slug=\"http\"><span><code class=\"hljs language-http\"><span class=\"hljs-attribute\">onPressed<\/span>: _sendMessage,<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-12\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">HTTP<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">http<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>In the <code>_sendMessage()<\/code> method, I implemented the code to refresh the chat screen and called the <code>_sendMessageToSocket(String message)<\/code> method.<br><\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-13\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-keyword\">void<\/span> _sendMessage() {\n  <span class=\"hljs-keyword\">if<\/span> (_controller.text.isNotEmpty) {\n    setState(() {\n      <span class=\"hljs-keyword\">var<\/span> messagesData = ChatModel(message: _controller.text, <span class=\"hljs-attr\">type<\/span>: <span class=\"hljs-string\">\"sent\"<\/span>);\n      _sendMessageToSocket(_controller.text);\n      _messagesList.add(messagesData);\n      _controller.clear(); <span class=\"hljs-comment\">\/\/ Clear the input after sending<\/span>\n    });\n  }\n}<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-13\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>In the <code>_sendMessageToSocket(String message)<\/code> method, I invoked the <code>sendMessage()<\/code> method of the <code>SocketManager<\/code> class, which is responsible for sending the message to the WebSocket server.&nbsp;<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-14\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-keyword\">void<\/span> _sendMessageToSocket(<span class=\"hljs-built_in\">String<\/span> message) {\n  SocketManager.shared.sendMessage(<span class=\"hljs-string\">'message:$message'<\/span>);\n}<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-14\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>After sending a message, we receive the same message back from the server. To differentiate it from other messages, I append the string &#8216;message&#8217; to the actual typed message, as we also receive other types of messages in the listen method, such as connection or disconnection notifications. If the callback contains \u2018message\u2019 text, it is identified as a chat message. Additionally, I created a model to classify the message type, indicating whether it was sent or received.<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-15\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">ChatModel<\/span> <\/span>{\n  <span class=\"hljs-built_in\">String<\/span> message;\n  <span class=\"hljs-built_in\">String<\/span> type;\n  ChatModel({required <span class=\"hljs-keyword\">this<\/span>.message, required <span class=\"hljs-keyword\">this<\/span>.type});\n}<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-15\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>Here, I defined two types of messages as below.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>&nbsp;&#8220;sent&#8221;&nbsp; : type sent means message from user to websocket server.<\/li>\n\n\n\n<li>&#8220;received&#8221; : type received means message from websocket server to user.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><noscript><img decoding=\"async\" width=\"855\" height=\"423\" src=\"https:\/\/mobisoftinfotech.com\/resources\/wp-content\/uploads\/2025\/04\/send-message-websocket-flutter.png\" alt=\"Flutter WebSocket Chat Screen\" class=\"wp-image-37022\" title=\"Flutter Chat Screen for WebSocket Communication\"><\/noscript><img decoding=\"async\" width=\"855\" height=\"423\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20855%20423%22%3E%3C%2Fsvg%3E\" alt=\"Flutter WebSocket Chat Screen\" class=\"wp-image-37022 lazyload\" title=\"Flutter Chat Screen for WebSocket Communication\" data-src=\"https:\/\/mobisoftinfotech.com\/resources\/wp-content\/uploads\/2025\/04\/send-message-websocket-flutter.png\"><\/figure>\n\n\n\n<h5 class=\"wp-block-heading\">5. <strong>Receive Message<\/strong><\/h5>\n\n\n\n<p>After sending a message, we immediately receive a callback from the WebSocket in the <code>_listenToWebSocket()<\/code> method. The message is then passed to the <code>handleSocketResponse<\/code> method for differentiation.&nbsp;<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-16\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-keyword\">void<\/span> _listenToWebSocket() {\n  webSocketChannel?.stream.listen((message) {\n    SocketHelper.handleSocketResponse(message);\n    print(message);\n  });\n}<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-16\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>Next, a local broadcast is sent to refresh the chat screen.<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-17\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-keyword\">static<\/span> handleSocketResponse(<span class=\"hljs-built_in\">String<\/span> response) {\n  <span class=\"hljs-keyword\">var<\/span> responseArray = response.split(<span class=\"hljs-string\">':'<\/span>);\n  <span class=\"hljs-keyword\">if<\/span> (responseArray.first == <span class=\"hljs-string\">'message'<\/span>) {\n    sendLocal(responseArray.last);\n  } <span class=\"hljs-keyword\">else<\/span> <span class=\"hljs-keyword\">if<\/span> (response.contains(<span class=\"hljs-string\">'Request served by'<\/span>)) {\n    sendLocal(<span class=\"hljs-string\">'connected'<\/span>);\n  } <span class=\"hljs-keyword\">else<\/span> <span class=\"hljs-keyword\">if<\/span> (response.isEmpty) {\n    sendLocal(<span class=\"hljs-string\">'disconnected'<\/span>);\n  }\n}\n\n<span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> sendLocal(<span class=\"hljs-built_in\">String<\/span> message) {\n  FBroadcast.instance().broadcast(<span class=\"hljs-string\">\"message_received\"<\/span>, <span class=\"hljs-attr\">value<\/span>: message);\n}<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-17\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p><br>A broadcast observer should be implemented on the chat screen to listen for local broadcasts.<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-18\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-keyword\">void<\/span> _addBroadcastObservers() {\n  FBroadcast.instance().register(\n    <span class=\"hljs-string\">\"message_received\"<\/span>,\n    <span class=\"hljs-attr\">context<\/span>: <span class=\"hljs-keyword\">this<\/span>,\n    (value, callback) {\n      handleSocketBroadcast(value <span class=\"hljs-keyword\">as<\/span> <span class=\"hljs-built_in\">String<\/span>);\n    },\n  );\n}\n\n\n@override\n<span class=\"hljs-keyword\">void<\/span> initState() {\n  <span class=\"hljs-keyword\">super<\/span>.initState();\n  _addBroadcastObservers();\n}\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-18\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>Afterward, handle the broadcast response and refresh the chat screen with the following code:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-19\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-keyword\">void<\/span> handleSocketBroadcast(<span class=\"hljs-built_in\">String<\/span> message) {\n  setState(() {\n    <span class=\"hljs-keyword\">var<\/span> messagesData = ChatModel(message: message, <span class=\"hljs-attr\">type<\/span>: <span class=\"hljs-string\">\"received\"<\/span>);\n    _messagesList.add(messagesData);\n  });\n}\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-19\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<figure class=\"wp-block-image size-full\"><noscript><img decoding=\"async\" width=\"855\" height=\"423\" src=\"https:\/\/mobisoftinfotech.com\/resources\/wp-content\/uploads\/2025\/04\/receive-message-websocket-flutter.png\" alt=\"Send Message through WebSocket in Flutter\" class=\"wp-image-37023\" title=\"Sending a Message with WebSocket in Flutter\"><\/noscript><img decoding=\"async\" width=\"855\" height=\"423\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20855%20423%22%3E%3C%2Fsvg%3E\" alt=\"Send Message through WebSocket in Flutter\" class=\"wp-image-37023 lazyload\" title=\"Sending a Message with WebSocket in Flutter\" data-src=\"https:\/\/mobisoftinfotech.com\/resources\/wp-content\/uploads\/2025\/04\/receive-message-websocket-flutter.png\"><\/figure>\n\n\n\n<p>For added protection in production environments, consider reviewing best practices for secure data transmission, including techniques like SSL pinning as detailed in<a href=\"https:\/\/mobisoftinfotech.com\/resources\/blog\/enhance-flutter-app-security-ssl-pinning-guide\"> <strong>Enhancing Flutter App Security: A Guide to Implementing SSL Pinning<\/strong><\/a>.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\"><strong>6. Disconnect<\/strong><\/h5>\n\n\n\n<p>To disconnect from the WebSocket server, navigate back from the chat screen to the home screen and tap the &#8216;Disconnect&#8217; button. This will disconnect you from the server.<\/p>\n\n\n<pre class=\"wp-block-code\"><span><code class=\"hljs\">onPressed: () {\n  \t  SocketManager.shared.disconnect();\n},\n<\/code><\/span><\/pre>\n\n\n<h2 class=\"wp-block-heading\">Summing It Up<\/h2>\n\n\n\n<p>I hope you found this tutorial on the step-by-step guide integrating WebSockets into your Flutter app useful. To explore the full source code and implementation, you can download the sample app directly from <a href=\"https:\/\/github.com\/mobisoftinfotech\/flutter-webSockets-tutorial\" target=\"_blank\" rel=\"noreferrer noopener\">GitHub<\/a>. Feel free to explore, clone, and contribute to the project!<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/mobisoftinfotech.com\/contact-us?utm_source=blog&amp;utm_medium=referral&amp;utm_campaign=flutter-websockets-tutorial-integrating-websockets-cta2\"><noscript><img decoding=\"async\" width=\"855\" height=\"363\" src=\"https:\/\/mobisoftinfotech.com\/resources\/wp-content\/uploads\/2025\/04\/next-big-idea-flutter-websocket.png\" alt=\"Path to 10x Growth with Flutter\" class=\"wp-image-37024\" title=\"Unlock 10x Growth with a Flutter WebSocket App\"><\/noscript><img decoding=\"async\" width=\"855\" height=\"363\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20855%20363%22%3E%3C%2Fsvg%3E\" alt=\"Path to 10x Growth with Flutter\" class=\"wp-image-37024 lazyload\" title=\"Unlock 10x Growth with a Flutter WebSocket App\" data-src=\"https:\/\/mobisoftinfotech.com\/resources\/wp-content\/uploads\/2025\/04\/next-big-idea-flutter-websocket.png\"><\/a><\/figure>\n\n\n<div class=\"related-posts-section\"><h2>Related Posts<\/h2><ul class=\"related-posts-list\"><li><a href=\"https:\/\/mobisoftinfotech.com\/resources\/blog\/mobile\/mobile-app-development-services-guide-for-businesses\">Mobile App Development Services: What Businesses Must Know Before Hiring a Team<\/a><\/li><li><a href=\"https:\/\/mobisoftinfotech.com\/resources\/blog\/mobile\/flutter-vs-react-native-2025-business-guide\">Flutter vs React Native in 2025: The Business Leader&#8217;s Guide to Choosing the Right Cross-Platform Framework<\/a><\/li><li><a href=\"https:\/\/mobisoftinfotech.com\/resources\/blog\/mobile\/native-vs-cross-platform-apps-2025-ctos-guide\">Native vs Cross-Platform Mobile Apps in 2025: A CTO&#8217;s Guide to Smart Development Choices<\/a><\/li><li><a href=\"https:\/\/mobisoftinfotech.com\/resources\/blog\/mobile\/mobile-app-development-services-digital-transformation\">How Mobile App Development Services Accelerate Enterprise Digital Transformation<\/a><\/li><li><a href=\"https:\/\/mobisoftinfotech.com\/resources\/blog\/mobile\/mobile-app-development-services-for-businesses\">Custom Mobile App Development Services: A Step-by-Step Guide for Businesses<\/a><\/li><li><a href=\"https:\/\/mobisoftinfotech.com\/resources\/blog\/mobile\/strategic-guide-choosing-mobile-app-development-partner\">A Strategic Guide to Choosing Your Mobile App Development Partner<\/a><\/li><\/ul><\/div>\n\n\n<div class=\"modern-author-card\">\n    <div class=\"author-card-content\">\n        <div class=\"author-info-section\">\n            <div class=\"author-avatar\">\n                <noscript><img decoding=\"async\" src=\"https:\/\/mobisoftinfotech.com\/resources\/wp-content\/uploads\/2025\/04\/Nilesh.png\" alt=\"Nilesh Gadhe\"><\/noscript><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" alt=\"Nilesh Gadhe\" data-src=\"https:\/\/mobisoftinfotech.com\/resources\/wp-content\/uploads\/2025\/04\/Nilesh.png\" class=\" lazyload\">\n            <\/div>\n            <div class=\"author-details\">\n                <h3 class=\"author-name\">Nilesh Gadhe<\/h3>\n                <p class=\"author-title\">Software Engineer<\/p>\n                <a href=\"javascript:void(0);\" class=\"read-more-link read-more-btn\" onclick=\"toggleAuthorBio(this); return false;\">Read more <noscript><img decoding=\"async\" src=\"\/assets\/images\/blog\/Vector.png\" alt=\"expand\" class=\"read-more-arrow down-arrow\"><\/noscript><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" alt=\"expand\" class=\"read-more-arrow down-arrow lazyload\" data-src=\"\/assets\/images\/blog\/Vector.png\"><\/a>\n                <div class=\"author-bio-expanded\">\n                    <p>Nilesh Gadhe is a Software Engineer at Mobisoft Infotech with 6 years of experience in mobile development. Skilled in designing, developing, and deploying scalable mobile applications using iOS and Flutter technologies. Driven by a passion for problem-solving, continuous learning, and building impactful apps that enhance user experiences and deliver strong business value.<\/p>\n                    <div class=\"author-social-links\"><div class=\"social-icon\"><a href=\"https:\/\/www.linkedin.com\/in\/gadhenilesh449\" target=\"_blank\" rel=\"nofollow noopener\"><i class=\"icon-sprite linkedin\"><\/i><\/a><\/div><\/div>\n                    <a href=\"javascript:void(0);\" class=\"read-more-link read-less-btn\" onclick=\"toggleAuthorBio(this); return false;\" style=\"display: none;\">Read less <noscript><img decoding=\"async\" src=\"\/assets\/images\/blog\/Vector.png\" alt=\"collapse\" class=\"read-more-arrow up-arrow\"><\/noscript><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" alt=\"collapse\" class=\"read-more-arrow up-arrow lazyload\" data-src=\"\/assets\/images\/blog\/Vector.png\"><\/a>\n                <\/div>\n            <\/div>\n        <\/div>\n        <div class=\"share-section\">\n            <span class=\"share-label\">Share Article<\/span>\n            <div class=\"social-share-buttons\">\n                <a href=\"https:\/\/www.facebook.com\/sharer\/sharer.php?u=https%3A%2F%2Fmobisoftinfotech.com%2Fresources%2Fblog%2Fmobile%2Fflutter-websockets-tutorial-integrating-websockets\" target=\"_blank\" class=\"share-btn facebook-share\"><i class=\"fa fa-facebook-f\"><\/i><\/a>\n                <a href=\"https:\/\/www.linkedin.com\/sharing\/share-offsite\/?url=https%3A%2F%2Fmobisoftinfotech.com%2Fresources%2Fblog%2Fmobile%2Fflutter-websockets-tutorial-integrating-websockets\" target=\"_blank\" class=\"share-btn linkedin-share\"><i class=\"fa fa-linkedin\"><\/i><\/a>\n            <\/div>\n        <\/div>\n    <\/div>\n<\/div>\n\n\n\n<style>\n@media (max-width: 991px) {\n    .post-content li {\n        padding-left: 20px;\n    }\n.post-content li:before {\n        left: 0;\n    }\n}\n.list-h3-heading {\n    position: relative;\n    padding-left: 20px;\n}\n.list-h3-heading:before {\n    position: absolute;\n    content: '';\n    background: #0d265c;\n    height: 9px;\n    width: 9px;\n    left: 0;\n    top: 10px;\n    border-radius: 50px;\n}\nh4.wp-block-heading {\n    font-size: 22px;\n}\nh5.wp-block-heading {\n    font-size: 20px;\n}\n<\/style> \n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Article\",\n  \"mainEntityOfPage\": {\n    \"@type\": \"WebPage\",\n    \"@id\": \"https:\/\/mobisoftinfotech.com\/resources\/blog\/mobile\/flutter-websockets-tutorial-integrating-websockets\"\n  },\n  \"headline\": \"Flutter WebSockets Tutorial: Integrating WebSockets in Your Flutter App - A Step-by-Step Guide\",\n  \"description\": \"Learn how to integrate WebSockets in your Flutter app with this step-by-step guide. Perfect for real-time communication and Flutter WebSocket client setup.\",\n  \"image\": \"https:\/\/mobisoftinfotech.com\/resources\/wp-content\/uploads\/2025\/04\/flutter-websockets-tutorial-integrating-websockets.png\",\n  \"author\": {\n    \"@type\": \"Person\",\n    \"name\": \"Nilesh Gadhe\",\n    \"description\": \" Nilesh Gadhe is a Software Engineer at Mobisoft Infotech with 6 years of experience in mobile development. Skilled in designing, developing, and deploying scalable mobile applications using iOS and Flutter technologies. Driven by a passion for problem-solving, continuous learning, and building impactful apps that enhance user experiences and deliver strong business value..\"\n  },\n  \"publisher\": {\n    \"@type\": \"Organization\",\n    \"name\": \"Mobisoft Infotech\",\n    \"logo\": {\n      \"@type\": \"ImageObject\",\n      \"url\": \"https:\/\/mobisoftinfotech.com\/assets\/images\/mshomepage\/MI_Logo-white.svg\",\n      \"width\": 600,\n      \"height\": 600\n    }\n  },\n  \"datePublished\": \"2025-04-10\",\n  \"dateModified\": \"2025-04-10\"\n}\n<\/script>\n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Organization\",\n  \"name\": \"Mobisoft Infotech\",\n  \"url\": \"https:\/\/mobisoftinfotech.com\/\",\n  \"logo\": \"https:\/\/mobisoftinfotech.com\/assets\/images\/MI_Logo.svg\",\n  \"sameAs\": [\n    \"https:\/\/www.facebook.com\/pages\/Mobisoft-Infotech\/131035500270720\",\n    \"https:\/\/twitter.com\/MobisoftInfo\",\n    \"https:\/\/www.instagram.com\/mobisoftinfotech\/\",\n    \"https:\/\/www.youtube.com\/channel\/UCtwuTXKUXFX7k0NSYhsMeTg\",\n    \"https:\/\/www.linkedin.com\/company\/mobisoft-infotech\",\n    \"https:\/\/in.pinterest.com\/mobisoftinfotech\/\",\n    \"https:\/\/github.com\/MobisoftInfotech\"\n  ],\n  \"contactPoint\": [\n    {\n      \"@type\": \"ContactPoint\",\n      \"telephone\": \"+1-855-572-2777\",\n      \"contactType\": \"Customer Service\",\n      \"areaServed\": \"US\",\n      \"availableLanguage\": [\"English\"]\n    },\n    {\n      \"@type\": \"ContactPoint\",\n      \"telephone\": \"+91-858-600-8627\",\n      \"contactType\": \"Customer Service\",\n      \"areaServed\": \"IN\",\n      \"availableLanguage\": [\"English\"]\n    }\n  ]\n}\n<\/script>\n<script type=\"application\/ld+json\">\n{\n    \"@context\": \"https:\/\/schema.org\",\n    \"@type\": \"LocalBusiness\",\n    \"name\": \"Mobisoft Infotech\",\n    \"url\": \"https:\/\/mobisoftinfotech.com\",\n    \"logo\": \"https:\/\/mobisoftinfotech.com\/assets\/images\/mshomepage\/MI_Logo-white.svg\",\n    \"description\": \"Mobisoft Infotech specializes in custom software development and digital solutions.\",\n    \"address\": {\n        \"@type\": \"PostalAddress\",\n        \"streetAddress\": \"5718 Westheimer Rd Suite 1000\",\n        \"addressLocality\": \"Houston\",\n        \"addressRegion\": \"TX\",\n        \"postalCode\": \"77057\",\n        \"addressCountry\": \"USA\"\n    },\n    \"contactPoint\": [{\n        \"@type\": \"ContactPoint\",\n        \"telephone\": \"+1-855-572-2777\",\n        \"contactType\": \"Customer Service\",\n        \"areaServed\": [\"USA\", \"Worldwide\"],\n        \"availableLanguage\": [\"English\"]\n    }],\n    \"sameAs\": [\n        \"https:\/\/www.facebook.com\/pages\/Mobisoft-Infotech\/131035500270720\",\n        \"https:\/\/x.com\/MobisoftInfo\",\n        \"https:\/\/www.linkedin.com\/company\/mobisoft-infotech\",\n        \"https:\/\/in.pinterest.com\/mobisoftinfotech\/\",\n        \"https:\/\/www.instagram.com\/mobisoftinfotech\/\",\n        \"https:\/\/github.com\/MobisoftInfotech\",\n        \"https:\/\/www.behance.net\/MobisoftInfotech\",\n        \"https:\/\/www.youtube.com\/channel\/UCtwuTXKUXFX7k0NSYhsMeTg\"\n    ]\n}\n<\/script>\n","protected":false},"excerpt":{"rendered":"<p>What is WebSocket in Flutter? A WebSocket is a protocol that enables bidirectional, real-time communication between a client and a server through a single, persistent TCP connection. Unlike standard HTTP, which establishes a new connection for every request and response, WebSockets in Flutter maintain a continuous connection, allowing for ongoing, real-time data transfer in your [&hellip;]<\/p>\n","protected":false},"author":109,"featured_media":37032,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_s2mail":"","footnotes":""},"categories":[5104],"tags":[5150,5151,5143,5142,5152,5148,5147,5153,5146,5141,5154,5149,5155,5156,5144,5145],"class_list":["post-36997","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mobile","tag-flutter-real-time-app-development","tag-flutter-real-time-chat-app","tag-flutter-socket","tag-flutter-websocket","tag-flutter-websocket-best-practices","tag-flutter-websocket-client","tag-flutter-websocket-connection","tag-flutter-websocket-integration","tag-flutter-websocket-tutorial","tag-flutter-websockets","tag-how-to-implement-websockets-in-flutter","tag-how-to-use-websocket-in-flutter","tag-websocket-flutter-package","tag-websocket-in-flutter-example","tag-websockets-flutter","tag-websockets-in-flutter"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Flutter WebSockets Tutorial: Step-by-Step Guide for Integration<\/title>\n<meta name=\"description\" content=\"Learn how to integrate WebSockets in your Flutter app with this step-by-step guide. 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