Intro to iOS Development
  • Welcome
    • ☀️Introduction
    • 🐣Getting Started
    • 🐦Course Staff
  • Logistics
    • 📜Syllabus
    • 🗓️Schedule
    • 🖊️Grading
    • 🙋‍♂️Office Hours
    • Ed Discussion
  • Assignments
    • 🍼A1: Swift Basics
    • 🧑A2: Profile
    • 💬A3: ChatDev
    • 👨‍🍳A4: ChefOS
    • 👨‍🍳A4: ChefOS - SwiftUI
    • 📱Hack Challenge
      • 🏆FA23 Winners
  • Lectures
    • 1️⃣Logistics + Swift Basics
    • 2️⃣UIKit + AutoLayout
  • 3️⃣MVC + Navigation + Delegation
  • 4️⃣UITableView
  • 5️⃣UICollectionView
  • 6️⃣Networking I
  • 7️⃣Networking II
  • 8️⃣SwiftUI I
  • 9️⃣SwiftUI II
  • 🔟Persistence + SnapKit
  • 🔔(11) Notifications
  • 🌎(12) Deployment and MapKit
  • Chapters
    • 🖐️Introduction
    • ☁️Git + GitHub
      • 1️⃣Git Installation
      • 2️⃣Git Basics
      • ➕Git+
    • 🐣Swift Basics
      • 1️⃣Variables and Constants
      • 2️⃣Data Types
      • 3️⃣Operators
      • 4️⃣Data Structures
      • 5️⃣Conditionals
      • 6️⃣Loops
      • 7️⃣Functions
      • 8️⃣Closures
      • 9️⃣Optionals
    • 🧰UIKit + AutoLayout
      • 1️⃣Classes
      • 2️⃣UIKit
      • 3️⃣AutoLayout
    • 📺MVC + Navigation + Delegation
      • 1️⃣MVC
      • 2️⃣Navigation
      • 3️⃣Delegation
    • 🏓UITableView
      • 1️⃣What is a UITableView?
      • 2️⃣UITableView Setup
    • 📚UICollectionView
      • 1️⃣What is a UICollectionView?
      • 2️⃣UICollectionView Setup
    • 🌐Networking I
      • 1️⃣HTTP Requests
      • 2️⃣Callbacks
      • 3️⃣Codable
    • 🌍Networking II
      • 1️⃣Alamofire
      • 2️⃣GET Requests
      • 3️⃣POST Requests
      • 4️⃣URLSession
    • 💾Persistence + SnapKit
      • 1️⃣Persistence
      • 2️⃣SnapKit
    • 🕊️SwiftUI
      • 1️⃣Introduction to SwiftUI
      • 2️⃣Getting Started with SwiftUI
      • 3️⃣Views + Modifiers
      • 4️⃣Layouts
      • 5️⃣Navigation
      • 6️⃣Property Wrappers
    • 🎛️Widgets
      • 1️⃣Introduction to Widgets
      • 2️⃣Setting Up Widgets
      • 3️⃣Building Widgets
      • 4️⃣Configuring Widgets
    • 🧱Project Foundation
    • ✅Testing
      • 1️⃣Unit Testing
    • 👣Debugging
      • 1️⃣OSLog
      • 2️⃣Crashlytics
      • 3️⃣Analytics
    • ☁️CI/CD
      • 1️⃣Xcode Cloud
      • 2️⃣AppStore Shipping
  • Guides
    • 🔨Xcode Project Setup
    • 🎨Figma
    • 📬Postman
    • 🥥CocoaPods
    • 🧰UIKit Handbook
    • 📑Tab Views
      • UITabBarController
      • TabView
  • Work in progress
    • 🧵Concurrency
    • 2️⃣UI Testing
    • 🕐Reactive Programming
    • 🧠Memory Management
      • 🔁ARC
    • 📦Storage
    • 📣Notifications
  • Archived
    • SP24
      • Logistics
        • 📜Syllabus
        • 🗓️Schedule
        • 🖊️Grading
        • 🙋‍♂️Office Hours
      • Assignments
        • 🍼A1: Swift Basics
        • 🧑A2: Profile
        • 💬A3: ChatDev
        • 👨‍🍳A4: ChefOS
        • 📱Hack Challenge
          • 🏆FA23 Winners
      • Lecture
        • 0️⃣Course Intro + Logistics + Git Setup
        • 1️⃣Swift Basics
        • 2️⃣UIKit + AutoLayout
        • 3️⃣MVC + Navigation + Delegation
        • 4️⃣UITableView
        • 5️⃣UICollectionView
        • 6️⃣Networking I
        • 7️⃣Networking II
        • 8️⃣Persistence + SnapKit
        • 🔟SwiftUI
        • 🔢TabViews
    • FA23
      • Logistics
        • 🐣Getting Started
        • 🐦Course Staff
        • 📜Syllabus
        • 🗓️Schedule
        • 🖊️Grading
        • 🙋‍♂️Office Hours
      • Assignments
        • 🍼A1: Swift Basics
        • 🧑A2: Profile
        • 💬A3: ChatDev
        • 👨‍🍳A4: ChefOS
        • 📱Hack Challenge
          • 🏆FA23 Winners
      • Lectures
        • 0️⃣Course Intro + Logistics
        • 1️⃣Swift Basics
        • 2️⃣UIKit + AutoLayout
        • 3️⃣MVC + Navigation + Delegation
        • 4️⃣UITableView
        • 5️⃣UICollectionView
        • 6️⃣Networking I
        • 7️⃣Networking II
        • 8️⃣Persistence + SnapKit
        • 🎛️Widgets
          • 👼Introduction to Widgets
          • ⚒️Setting Up Widgets
          • 🧱Building Widgets
          • 👨‍💻Configuring Widgets
        • 🔟SwiftUI
    • SP23
      • Logistics
        • Lecture Schedule
        • Syllabus
        • Grading
        • SP23 Office Hours
      • Chapters
        • 1. Intro to Swift & Xcode
          • Lecture Handout
          • Lecture Demo
          • 🍼Project: Swift Basics
        • 2. UIKit and AutoLayout
          • Lecture Handout
          • Lecture Demo
          • 🛒Project: UIKit + AutoLayout
        • 3. Navigation, MVC, and Delegation
          • Lecture Handout
          • Lecture Demo
          • Project: Navigation + Delegation
        • 4. UITableView
          • Lecture Handout
          • Lecture Demo
          • Project: UITableView
        • 5. UICollectionView
          • Lecture Handout
          • Lecture Demo
          • Project: UICollectionView
        • 6. Networking I
          • Lecture Handout
          • Lecture Demo
          • Project: Persistence
        • 7. Networking II
          • Lecture Handout
          • Lecture Demo
            • Message Board
          • Project: Networking II
        • 8. Swift UI
        • 9. CocoaPods
          • 🍫Lecture Handout
          • 🧑‍🍳Lecture Demo
      • Cheat Sheets
        • Setting Up a New Xcode Project
        • Submitting Your Projects
        • Setting Up CocoaPods
    • 2022
      • SwiftUI
    • 2021
      • Adding Flare
      • Project: UIView Animations (Optional - Extra Credit)
      • UIView Animations
      • Xcode Tips and Tricks
    • 2019
      • Firebase
      • Persistence: UserDefaults
  • Swift Guide (ARCHIVED)
    • About this Textbook
    • Documentation
    • Constants and Variables
      • Variable Properties
      • Lazy and Static Variables
    • Functions
    • Ranges
    • Arrays
      • Basic Array Operations
      • Iteration and Enumeration
      • Advanced Array Operations
    • Tuples
    • Conditions and While Loops
    • For Loops
    • Enums and Switches
      • Enums with Associated Values
      • Indirect Enums
    • Classes and Structs
    • Optionals
    • Dictionaries
      • Dictionary Implementation
    • Closures
    • Constraints
    • Generics
    • Protocols
      • Protocols With Associated Types
    • Casting
    • Errors
    • Networking
      • Result
    • Inout
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  1. Welcome

Course Staff

Spring 2025

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Instructors

TAs

🐦
Daniel Chuang | CS '26 dc863@cornell.edu
Adelynn Wu | CS '27 hw769@cornell.edu
Richie Sun | CS '25 rs929
Caitlyn Jin | CS '26 cj384
Jayson Hahn | CS '26 jmh585
Peter Bidoshi | Info Sci '26 pjb294
Angelina Chen | CS '27 asc337
Charles Liggins | CS '27 cll258
Asen Kim Ou | CS '26 ako28
Jiwon Jeong | CS '28 jj775
Jay Zheng | Stat '27 jz2384