Objective-C for Swift Developers

Swift is a powerful, modern programming language that will continue to grow over the years ahead. But with over a million existing apps written in Objective-C, you almost certainly need to be able to read, write, and maintain both Swift and Objective-C if you want to score a great job making iOS apps.

Syllabus

Objective-C for Swift Developers is an accelerated course designed to teach you Objective-C by drawing parallels with your existing Swift knowledge. It includes three complete projects for you to complete, along with example solutions, plus a hands-on video where I walk you through converting a Swift project to Objective-C so you can see exactly how it all works.

Overview
- Concepts
- Basic syntax
- Pointers
- The size of integers
- What is truth?
- Format specifiers
Data types
- Strings
- Numbers
- Arrays
- Dictionaries
- Sets
- Generics
- NSValue
- NSData
- NSObject
- id and instancetype
- NSError
- Blocks
- Project 1: Hangman
Classes
- Introduction to classes
- Methods
- Properties
- Creating objects
- Categories and class extensions
- Protocols
- Nullability
- Project 2: Sci-Fi Quotes
Preprocessor
- Inside the preprocessor
- Defining object-like macros
- Metadata macros
- Defining function-like macros
- Project 3: Swifty Commits
Advanced topics
- Automatic Reference Counting
- Autorelease pools
- Objecive-C++

If you want to complete your iOS development learning then you need Objective-C under your belt, and what better way to learn than by drawing on all the Swift knowledge you have?