Device Presence and Custom State with PubNub Angular 2

In Part Two of a series on the PubNub Angular 2 SDK, the tutorial advances from basic implementation to exploring more sophisticated features like Presence and Custom State within the PubNub Angular 2 API. It guides users in setting up their environment by obtaining unique PubNub publish/subscribe keys and enabling necessary features for leveraging history and presence functionalities. The tutorial includes detailed instructions on creating a real-time chat application, covering both the user interface and backend code implementation using Angular2 and JavaScript. The application demonstrates online/offline detection and user state attributes such as mood, while also integrating a straightforward chat interface. Essential dependencies, including Angular2 modules, PubNub services, and Bootstrap for UI presentation, are highlighted. The tutorial concludes with the setup of Angular2 components and modules, ensuring a functional real-time chat experience with a minimal amount of code.