Compilation of all the projects (with challenges) and milestone projects carried out in the 100 Days of Swift course by Paul Hudson.



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Notes

• Click on the project's title to go to the project's code.
• If you want to see more screenshots of a particular project, check the project's README.

Milestone Projects

1. World Flags

Day	Contents	Screenshots
23	What you learned Key points Challenge

2. Shopping List

Day	Contents	Screenshots
32	What you learned Key points Challenge

3. Hangman

Day	Contents	Screenshots
41	What you learned Key points Challenge

4. Photo Captions

Day	Contents	Screenshots
50	What you learned Key points Challenge

5. Country Facts

Day	Contents	Screenshots
59	What you learned Key points Challenge

6. Shooting Gallery

Day	Contents	Screenshots
66	What you learned Key points Challenge

7. NotesClone

Day	Contents	Screenshots
74	What you learned Key points Challenge

8. Extensions

Day	Contents	Screenshots
82	What you learned Key points Challenge	No screenshots available for this project

9. Meme Generator

Day	Contents	Screenshots
90	What you learned Key points Challenge

10. Memory Match

Day	Contents	Screenshots
99	What you learned Key points Challenge

Projects

1. Country Flags

Day	Contents	Screenshots
16	Setting up Listing images with FileManager Designing our interface
17	Building a detail screen Loading images with UIImage Final tweaks: hidesBarsOnTap, safe area margins
18	Wrap up Review for Project 1: Storm Viewer

2. Guess the Flag

Day	Contents	Screenshots
19	Setting up Designing your layout Making the basic game work: UIButton and CALayer
20	Guess which flag: random numbers From outlets to actions: creating an IBAction
21	Wrap up Review for Project 2: Guess the Flag

3. Social Media

Day	Contents	Screenshots
22	About technique projects UIActivityViewController explained Wrap up Review for Project 3: Social media

4. Easy Browser

Day	Contents	Screenshots
24	Setting up Creating a simple browser with WKWebView Choosing a website: UIAlertController action sheets
25	Monitoring page loads: UIToolbar and UIProgressView Refactoring for the win
26	Wrap up Review for Project 4: Easy Browser

5. Word Scramble

Day	Contents	Screenshots
27	Capture lists in Swift (unowned, weak and strong) Setting up Reading from disk: contentsOfFile Pick a word, any word: UIAlertController
28	Prepare for submission: lowercased() and IndexPath Checking for valid answers Or else what?
29	Wrap up Review for Project 5: Word Scramble

6. AutoLayout in Code

Day	Contents	Screenshots
30	Setting up Advanced Auto Layout Auto Layout in code: addConstraints() with Visual Format Language
31	Auto Layout metrics and priorities: constraints(withVisualFormat:) Auto Layout anchors Wrap up Review for Project 6: Auto Layout

7. Whitehouse Petitions

Day	Contents	Screenshots
33	Setting up Creating the basic UI: UITabBarController Parsing JSON using the Codable protocol
34	Rendering a petition: loadHTMLString Finishing touches: didFinishLaunchingWithOptions
35	Wrap up Review for Project 7: Whitehouse Petitions

8. Seven Swifty Words

Day	Contents	Screenshots
36	Setting up Building a UIKit user interface programmatically
37	Loading a level and adding button targets It's play time: firstIndex(of:) and joined() Property observers: didSet
38	Wrap up Review for Project 8: Seven Swifty Words

9. Whitehouse Petitions Async

Day	Contents	Screenshots
39	Setting up Why is locking the UI bad? GCD 101: async() Back to the main thread: DispatchQueue.main Easy GCD using performSelector(inBackground:)
40	Wrap up Review for Project 9: Grand Central Dispatch

10. Names to Faces

Day	Contents	Screenshots
42	Setting up Designing UICollectionView cells UICollectionView data sources
43	Importing photos with UIImagePickerController Custom subclasses of NSObject Connecting up the people
44	Wrap up Review for Project 10: Names To Faces

11. Pachinko

Day	Contents	Screenshots
45	Setting up Falling boxes: SKSpriteNode, UITouch, SKPhysicsBody Bouncing balls: circleOfRadius
46	Spinning slots: SKAction Collision detection: SKPhysicsContactDelegate Scores on the board: SKLabelNode
47	Special effects: SKEmitterNode Wrap up Review for Project 11: Pachinko

12. UserDefaults

Day	Contents	Screenshots
48	Setting up Reading and writing basics: UserDefaults Fixing Project 10: NSCoding
49	Fixing Project 10: Codable Wrap up Review for Project 12: UserDefaults

13. InstaFilter

Day	Contents	Screenshots
52	Setting up Designing the interface Importing a picture
53	Applying filters: CIContext, CIFilter Saving to the iOS photo library
54	Wrap up Review for Project 13: InstaFilter

14. Whack-a-Penguin

Day	Contents	Screenshots
55	Setting up Getting up and running: SKCropNode Penguin, show thyself: SKAction moveBy(x:y:duration:)
56	Whack to win: SKAction sequences Wrap up Review for Project 14: Whack-a-Penguin

15. Animation

Day	Contents	Screenshots
57	Setting up Preparing for action Switch, case, animate: animate(withDuration:) Transform: CGAffineTransform
58	Wrap up Review for Project 15: Animation

16. Capital Cities

Day	Contents	Screenshots
60	Setting up Up and running with MapKit Annotations and accessory views: MKPinAnnotationView
61	Wrap up Review for Project 16: Capital Cities

17. Space Race

Day	Contents	Screenshots
62	Setting up Space: the final frontier Bring on the enemies: linearDamping, angularDamping Making contact: didBegin()
63	Wrap up Review for Project 17: Space Race

18. Debugging

Day	Contents	Screenshots
64	Setting up Basic Swift debugging using print() Debugging with assert() Debugging with breakpoints View debugging	No screenshots available for this project
65	Wrap up Review for Project 18: Debugging

19. JavaScript Injection

Day	Contents	Screenshots
67	Setting up Making a shell app Adding an extension: NSExtensionItem What do you want to get?
68	Establishing communication Editing multiline text with UITextView Fixing the keyboard: NotificationCenter
69	Wrap up Review for Project 19: JavaScript Injection

20. Fireworks Night

Day	Contents	Screenshots
70	Setting up Ready... aim... fire: Timer and follow() Swipe to select
71	Making things go bang: SKEmitterNode Wrap up Review for Project 20: Fireworks Night

21. Local Notifications

Day	Contents	Screenshots
72	Setting up Scheduling notifications: UNUserNotificationsCenter and UNNotificationRequest Acting on responses
73	Wrap up Review for Project 21: Local Notifications

22. Detect-a-Beacon

Day	Contents	Screenshots
75	Setting up Requesting location: Core Location Hunting the beacon: CLBeaconRegion
76	Wrap up Review for Project 22: Detect-a-Beacon

23. Swifty Ninja

Day	Contents	Screenshots
77	Setting up Basics quick start: SKShapeNode Shaping up for action: CGPath and UIBezierPath Enemy or bomb: AVAudioPlayer
78	Follow the sequence Slice to win Game over, man: SKTexture
79	Wrap up Review for Project 23: Swifty Ninja

24. Swift Strings

Day	Contents	Screenshots
80	Setting up Strings are not arrays Working with strings in Swift Formatting strings with NSAttributedString	No screenshots available for this project
81	Wrap up Review for Project 24: Swift Strings

25. Selfie Share

Day	Contents	Screenshots
83	Setting up Importing photos again Going peer to peer MCSession, MCBrowserViewController Invitation only: MCPeerID
84	Wrap up Review for Project 25: Selfie Share

26. Marble Maze

Day	Contents	Screenshots
85	Setting up Loading a level: categoryBitMask, collisionBitMask, contactTestBitMask
86	Tilt to move: CMMotionManager Contacting but not colliding
87	Wrap up Review for Project 26: Marble Maze

27. Core Graphics

Day	Contents	Screenshots
88	Setting up Creating the sandbox Drawing into a Core Graphics context with UIGraphicsImageRenderer Ellipses and checkerboards Transforms and lines Images and text
89	Wrap up Review for Project 27: Core Graphics

28. Secret Swift

Day	Contents	Screenshots
92	Setting up The basic text editor Writing somewhere safe: the iOS keychain Touch to activate: Touch ID, FaceID and LocalAuthentication
93	Wrap up Review for Project 28: Secret Swift

29. Exploding Monkeys

Day	Contents	Screenshots
94	Setting up Building the environment: SKTexture and filling a path Mixing UIKit and SpriteKit: UISlider and SKView
95	Unleash the bananas: SpriteKit texture atlases Destructible terrain: presentScene
96	Wrap up Review for Project 29: Exploding Monkeys

30. Instruments

Day	Contents	Screenshots
97	Setting up What are we working with? What can Instruments tell us? Fixing the bugs: slow shadows Fixing the bugs: wasted allocations
98	Fixing the bugs: Running out of memory Wrap up Review for Project 30: Instruments