This document summarizes a presentation on writing clean and effective iOS code. It discusses object-oriented programming principles like abstraction, encapsulation, inheritance and polymorphism. It also covers using snippets to avoid duplicate code, maintaining a clean project structure divided into modules, and applying design patterns. Automating tasks with Fastlane is also presented as a way to write less code through continuous integration.

1. iOS
Swift girls 2/20
Sean Chen

2. QUICK POLL
•
• Swift
• Command line
• git
• git sub-module
• Design pattern
• Fastlane

3. SEAN
•
• Found
• System & App development
• HackNTU 2015 award, 2016 iOS Speaker

4. CORE IDEAS
• Clean code
• Automation

5. • How to write less and more effective?
• Automation for Continuous Integration

6. HOWTO WRITE LESS?
A. Follow OOP guides
B. Snippet, snippet and snippet
C. Clean Project Structures
D. Use Design Patterns

7. A. OBJECT ORIENTED
PROGRAMMING
•
•
•

8. OBJECT ORIENTED
PROGRAMMING
• 4 major principles
• Abstraction
• Encapsulation (Accessor, Mutator)
• Inheritance
• Polymorphism
• Best Practice: Code Review

9. ABSTRACTION
• is used to manage complexity. Software
developers use abstraction to decompose
complex systems into smaller components

10. ABSTRACTION
• Class
• Class

11. ABSTRACTION

12. ENCAPSULATION

13. POLYMORPHISM

14. POLYMORPHISM

15. INHERITANCE

16. B. SNIPPETS
• Xcode Demo
• Evernote

17. SNIPPETS
• Xcode Demo
• Evernote

18. SNIPPETS
• Xcode Demo
• Evernote

19. SNIPPETS
• Xcode Demo
• Evernote

20. C. PROJECT STRUCTURE
• MVC &ViewController
• Controller

21. PROJECT STRUCTURE - 2
• ViewControllers
• VC

22. PROJECT STRUCTURE - 3
• Core Logic
• Model
• Helpers
• Codebase (git submodule)
• UI Subclasses

23. PROJECT STRUCTURE - 4
• Views
• Color
• Storyboard/ Xib
• Assets

24. D. USE DESIGN PATTERNS
• What is design patterns?
• Why use them?
• https://github.com/ochococo/Design-Patterns-In-Swift
• Singleton
• Façade
• Bridge

25. SINGLETON

26. FAÇADE

27. BRIDGE

28. •
•
•
• git

29. -
2
• git submodule
• git repo git repo
• repo
• ex: https://github.com/SeanChenU/
Swift_Codebase

30. FASTLANE -
• sudo gem install fastlane
• https://fabric.io/features/distribution?utm_campaign=fastlane.tools
• Command line
•
• Build iOS ipa
• Testflight
• Slack, Crashlytics
•
• APNs profiles

31. FASTLANE - FILES
• Appfile
• Fastfile

33. /

34. IS HIRING…!
• iOS full-time/ part-time developer
• appar.com.tw
• facebook.com.tw/sean820816
• sean@appar.com.tw

35. SOURCES
• http://www.iphonelife.com/blog/31369/swift-
programming-101-inheritance-polymorphism
• https://github.com/ochococo/Design-Patterns-In-
Swift