Swift By Principles
The way Senior iOS Engineers actually use them.
Current Version: v1.0
In today's iOS ecosystem, codebases get bigger, teams get larger, and the cost of a bad architectural decision compounds faster than ever. Knowing what SOLID is doesn't move the needle. Knowing how it actually applies to MVVM, protocols, dependency injection, and the messy production code you ship every day, that's what separates engineers who write code that ships from engineers who write code that lasts.
Why should you get this book?
SOLID Principles, Applied to Real iOS Code: Master SRP, OCP, LSP, ISP, and DIP through real production scenarios, MVVM view models, repositories, coordinators, and the legacy refactors you inherit.
Protocol-Oriented Design & SOLID-Driven Architecture: Learn when composition beats inheritance, how POP becomes the natural expression of SOLID in Swift, and how MVVM, VIPER, and Clean Architecture compare through a SOLID lens.
Testable Code & Legacy Refactoring: If you can't test it, you designed it wrong. Learn the seams, spies, and patterns that make iOS code genuinely testable, plus a practical five-phase playbook for taming legacy view controllers without breaking production.
Personalised 1:1 Session: Every reader gets a complimentary one-to-one session with the author. Bring your codebase, your refactor, your architectural decision, or your career question, and get tailored guidance from a Lead iOS Engineer.
Interview Guidance: A dedicated chapter with 25+ SOLID-based interview questions and answers, the kind senior iOS interviewers actually ask, so you can test your understanding once you've worked through the principles.
Free Lifetime Updates: Every future chapter, every new Swift version, every refined example, yours at no extra cost.
Chapters Included
- Chapter 01: Introduction to SOLID Principles
- Chapter 02: Single Responsibility Principle
- Chapter 03: Open/Closed Principle
- Chapter 04: Liskov Substitution Principle
- Chapter 05: Interface Segregation Principle
- Chapter 06: Dependency Inversion Principle
- Chapter 07: Protocol-Oriented Programming and SOLID
- Chapter 08: SOLID-Driven Architecture
- Chapter 09: Writing Testable iOS Code with SOLID
- Chapter 10: Refactoring Legacy iOS Code
- Chapter 11: Interview Guidance
In this version 1.0, it has 270+ pages. We have added examples in most of the questions where required.
If you have any doubts or queries regarding the book or payment process (UPI Option Available), please don't hesitate to reach out to us via email.