18. Practice & Resources

Practice & Resources

Mini Projects

Project 1: Todo List App

Skills: UITableView, Core Data, UINavigationController, Delegates

Build a complete todo list with add, edit, delete, and mark-as-complete functionality. Persist data with Core Data. Add categories/tags using a UICollectionView. Implement swipe-to-delete and pull-to-refresh.

Project 2: Weather Dashboard

Skills: URLSession, Codable, Core Location, MapKit, UICollectionView

Fetch weather data from a free API. Show current conditions, 7-day forecast, and hourly forecast. Display a map with weather markers. Support multiple saved cities with Core Data.

Project 3: Social Media Feed

Skills: UITableView/UICollectionView, Networking, Image Caching, Auto Layout

Build a mock social media feed with posts, images, likes, and comments. Implement image caching with NSCache. Add pull-to-refresh. Support dark mode.

Project 4: Fitness Tracker

Skills: HealthKit, Core Motion, Core Location, Swift Charts

Track step count, distance walked, and calories burned using HealthKit and Core Motion. Show daily/weekly/monthly charts. Add a map overlay showing walking routes.

Quiz Questions

1. What is the difference between strong and weak references in ARC?
2. How does the iOS app lifecycle differ between SwiftUI and UIKit apps?
3. Explain the delegate pattern and give an example.
4. What is the purpose of Auto Layout constraints?
5. How do you persist data in iOS? Compare UserDefaults, Core Data, and Keychain.

Study Plan (10 Weeks)

• Weeks 1-2: Swift fundamentals, Xcode basics, first app
• Weeks 3-4: UIKit components, Auto Layout, Navigation
• Weeks 5-6: Protocols, Delegates, Networking, Data persistence
• Weeks 7-8: Multimedia, Sensors, Maps, Social integration
• Weeks 9-10: App Store submission, SwiftUI, portfolio projects

Bootcamp Recommendation

Consider the iOS Developer Nanodegree from Udacity or the iOS & Swift — The Complete iOS App Development Bootcamp on Udemy. Both cover the full stack from beginner to App Store publishing.

Certificate Path

Apple offers an App Development with Swift Certification (Swift Student Challenge). You can also pursue the Apple Certified iOS Developer (ACIOS) through authorized training centers.