Book Image

An iOS Developer's Guide to SwiftUI

By : Michele Fadda
Book Image

An iOS Developer's Guide to SwiftUI

By: Michele Fadda

Overview of this book

– SwiftUI transforms Apple Platform app development with intuitive Swift code for seamless UI design. – Explore SwiftUI's declarative programming: define what the app should look like and do, while the OS handles the heavy lifting. – Hands-on approach covers SwiftUI fundamentals and often-omitted parts in introductory guides. – Progress from creating views and modifiers to intricate, responsive UIs and advanced techniques for complex apps. – Focus on new features in asynchronous programming and architecture patterns for efficient, modern app design. – Learn UIKit and SwiftUI integration, plus how to run tests for SwiftUI applications. – Gain confidence to harness SwiftUI's full potential for building professional-grade apps across Apple devices.
Table of Contents (25 chapters)
Free Chapter
1
Part 1: Simple Views
5
Part 2: Scrollable Views
8
Part 3: SwiftUI Navigation
11
Part 4: Graphics and Animation
14
Part 5: App Architecture
17
Part 6: Beyond Basics

Agency theory and bad architecture

The idea that a company employee (an “agent” in economic theory) might do something that does not benefit his employer (the “principal”) if the employee can operate without being held accountable (e.g. because the employee knows that his actions are “hidden”) is called “Agency Theory.” This is a well-known, respected and well-researched sociological theory on the performance of decision-makers in organizations.

If your CEO does not subscribe to this theory, ask them to please give back their bonus, because them getting a generous managerial performance bonus is grounded in this theory being correct.

Agency theory, in practice, is difficult to prove, as proving beyond any doubt that someone is behaving less than honestly is really hard. In legal terms, what matters is not the actual truth (that is subjective most of the time) but what you can successfully prove in court.

However, according...