Delphi Cookbook - Third Edition

Getting ready

In modern applications, we have to put user experience problem at first! What matters is how the application responds to user experience:

• Responsive design
• Non-blocking UI
• Offline-first (where possible)

The purpose is to create a login form, where, after entering the data, the authentication request is made through a REST call. The UI must show a waiting UI for the user while the authentication process is in progress, and finally inform the user of authentication, both in case of success and error.

This recipe uses a Delphi Event Bus open source project:

• An event bus framework based on a publish/subscribe mechanism
• Project website: https://github.com/spinettaro/delphi-event-bus written by Daniele Spinetti

Delphi Event Bus ...