Flutter Study using AWS for Web socket tutorial

Flutter Study using AWS for Web socket tutorial

Flutter + AWS Web Socket .Flutter Study using AWS for Web socket tutorial

Flutter + AWS Web Socket

Chat Process

When a message is sent to API Gateway + Lambda,

Stream Lambda is triggered as soon as the message is entered into DynamoDB, and it updates all current MESSAGES collection contents to

users in each CONNECTED collection in Stream


The update method can be delivered to webSocketHandler one by one.

request, response template

Problems may arise if you do not know the difference between when a number is entered and when a string is entered.

Simply put,

    application/json: >
      #set($inputRoot = $input.path('$'))
        "connectionId": "$inputRoot.socketData.connectionId",
        "connectedAt": $inputRoot.socketData.connectedAt,
        "userName": "$inputRoot.userData.userName"
    Access-Control-Allow-Origin: "'*'"
    Content-Type: "'application/json'"
  template: ${file(templates/responseTemplateDefault.txt)}
  • When a String is entered, "" must be used, and when a Number is entered, "" is not used.
  • When using Request, Response template, be sure to integration: lambdadeclare this. (Or you will declare a lambda-proxy)

Download Details:

Author: hoonblizz

Source Code: https://github.com/hoonblizz/Flutter_Study_Web_AWS_WebSocket

flutter dart mobile-apps

Bootstrap 5 Complete Course with Examples

Bootstrap 5 Tutorial - Bootstrap 5 Crash Course for Beginners

Nest.JS Tutorial for Beginners

Hello Vue 3: A First Look at Vue 3 and the Composition API

Building a simple Applications with Vue 3

Deno Crash Course: Explore Deno and Create a full REST API with Deno

How to Build a Real-time Chat App with Deno and WebSockets

Convert HTML to Markdown Online

HTML entity encoder decoder Online

Google's Flutter 1.20 stable announced with new features - Navoki

Google has announced new flutter 1.20 stable with many improvements, and features, enabling flutter for Desktop and Web

Top 25 Flutter Mobile App Templates in 2020

Flutter has been booming worldwide from the past few years. While there are many popular mobile app development technologies out there, Flutter has managed to leave its mark in the mobile application development world. In this article, we’ve curated the best Flutter app templates available on the market as of July 2020.

Flutter App Development Trends 2020

As the new decade dawns upon us, a slew of technologies has been making a lot of noise to grab the developers’ attention. While native app development is going strong, the trade winds are now blowing towards going cross-platform.

How To Succeed In Mobile App Wireframe Design?

This article covers everything about mobile app wireframe design: what to do and what not, tools used in designing a mobile or web app wireframe, and more.

What is Flutter and why you should learn it?

Flutter is an open-source UI toolkit for mobile developers, so they can use it to build native-looking Android and iOS applications from the same code base for both platforms. Flutter is also working to make Flutter apps for Web, PWA (progressive Web-App) and Desktop platform (Windows,macOS,Linux).