Build a Custom Timeline Feed with Kotlin on Android

"The Stream" is a tutorial project that demonstrates how to build a simple social network using Android and Stream's Activity Feed API. The application allows users to post messages and follow other users, with each interaction facilitated through a combination of a backend built with Express (Node.js) and a frontend developed in Kotlin. The backend generates secure tokens for the mobile application to interact directly with the Stream API, enabling users to post messages to their followers and view a timeline of posts from those they follow. The system architecture is divided into two main components: the mobile application, which handles most of the user interactions, and the backend, which manages authentication and token generation. The process involves creating user feeds and timeline feeds within the Stream platform, enabling seamless message posting and retrieval. Users can view and follow others through a simple list view interface, and the app uses Kotlin coroutines for asynchronous network operations. The tutorial includes detailed instructions on setting up the development environment and requires basic knowledge of Node.js and Android development.