Screen manager

Let's begin the UI development with a new concept, namely screen management. Our application at hand, the chat client, is a fitting example. There will be two application states with different UI that are completely separate from one another:

  • The login screen where the user enters the hostname to connect to and the desired nickname:
    Screen manager
  • The chatroom screen, where the actual conversation takes place:
    Screen manager

Conceptually, these are the application states of the Chat app's frontend.

A straightforward approach to such UI separation will amount to managing ...

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