This is a sample application using Flutter and Stream to easily build a chat application.
In the chat_service.dart file you will need to configure the application with your API key, that can be obtained from the Stream dashboard. The API key used in this repository may no longer be active by the time you read this.
For a written tutorial on using Stream and Flutter take a look at this tutorial:
https://getstream.io/chat/flutter/tutorial/
Below is a video tutorial demonstrating how to use Stream and Flutter to build this example application, as well as using the Stream dashboard to create new Stream applications (API keys):