My project portfolio from following along with the book Hacking With Swift.

Beginner 📕

#	Project	Topics Covered	Progress
0	🛠 Introduction to Swift	playgrounds, constants & variables, data types, operators, string interpolation, arrays & dictionaries, conditional statements, control flow, functions & methods, optionals, enumerations, classes & structures, property observers, access control, typecasting, closures	✅
1	📱 Storm Viewer	Xcode, UIKit, UIViewController, super, viewDidLoad(), FileManager, app bundles, try-catch blocks, Storyboards & Interface Builder, UITableView, UITableViewDelegate, UITableViewDataSource, UIImageView, UIImage, UIButton, Auto Layout, Outlets & Actions, UINavigationController, view stacking	✅
2	🎮 Guess the Flag	UIButton, action handling, asset catalogs, retina displays & @2x and @3x images, UIControlState, CALayer, UIView, UIColor, CGColor, random numbers, UIAlertController, UIAlertAction, UILabel, Auto Layout and alignment	✅
3	🛠 Social Media	UIActivityViewController, UINavigationBar, UIBarButtonItem, #selector & @objc, Info.plist, privacy & permissions	✅
4	📱 Easy Browser	WKWebView, URL, URLRequest, UIToolbar, UIProgressView, KVO (Key-Value Observing) design pattern (not sure if this is an optimal design for most cases, though), WKNavigationDelegate, classes (instances passed by reference) vs structs (instances passed by copy), class inheritance and protocol conformance	✅
5	🎮 Word Scramble	string methods, NSRange, UITextChecker, lowercased(), IndexPath, anagrams, inserting rows into tables without reloading, UIAlertController text fields, constants can be declared w/o a value, as long as it's set before use	✅
6a	🛠 Auto Layout	Ctrl-drag, Auto Layout Visual Format Language (including anchors, metrics, priority, and vertical/horizontal specifications)	✅
6b	🛠 Guess The Flag V2	Ctrl-drag, Auto Layout Visual Format Language (including anchors, metrics, priority, and vertical/horizontal specifications)	✅
7	📱 Near Earth Objects	UITabBarController, UITabBarItem, parsing JSON for structs that implement the Codable protocol, didFinishLaunchingWithOptions	✅
8	🎮 Seven Swifty Words	addTarget(), enumerated(), index(of:), joined(), replacingOccurrences(), property observers, range operators, programmatic button event handling	✅
9	🛠 Grand Central Dispatch	Grand Central Dispatch, async(), DispatchQueue.main, Quality of Service, global(), performSelector(inBackground:), never do UI work on a background thread	✅
10	📱 Names to Faces	UICollectionView, UICollectionViewCell, UICollectionViewDelegate, UICollectionViewDataSource, UIImagePickerController, UUID, Custom NSObject Classes, URLs for app directories, writing JPEG data to disk	✅
11	🎮 Pachinko	CGFloat, SKSpriteNode, UITouch, SKPhysicsBody, circleOfRadius/rectangleOf for shaping physics bodies, SKPhysicsContactDelegate, SKActions — and adding them to nodes, SKLabelNode, SKEmitterNode, sprite drawing blend modes,	✅
12a	🛠 Saving User Defaults & Data: NSCoding	UserDefaults + NSCoding/NSKeyedArchiver	✅
12b	🛠 Saving User Defaults & Data: Codeable	UserDefaults + Codeable/JSONEncoder/JSONDecoder	✅
13	📱 Instafilter	UISlider, CIImage, CGImage, CIContext, CIFilter, UIImageWriteToSavedPhotosAlbum, Using full function signatures with #selector	✅
14	🎮 Whack-a-Penguin	SKCropNode, SKTexture, SKActions, GCD's asyncAfter(), SKAction.playSoundFileNamed, SKAction.wait, run(block:)	✅
15	🛠 Core Animation	Swifty switch/case statements, animate(withDuration:), CGAffineTransform, view.transform, changing animatable properties of UIViews within an animation closure	✅

Intermediate 📗

#	Project Name	Topics Learned	Progress
16	📱 Safari Extension & JavaScript Injection	NSExtensionItem, plists (property lists), NSDictionary, NSExtensionJavaScriptPreprocessingResultsKey, UITextView, NSItemProvider, kUTTypePropertyList, keyboard notifications, NSValue, CGRect, CGPoint, CGSize, view.convert, UIEdgeInsets	✅
17	🎮 Swifty Ninja	SKShapeNode, CGPath, UIBezierPath, AVAudioPlayer, CaseIterable & custom enums, SKAction sequences and groups, default method parameters	✅
18	🛠 Debugging	print, assert, breakpoints, visual debugging, conditional breakpoints, lldb printing and expressions	✅
19	📱 Capital Cities	MKMapView, MKAnnotation, MKPinAnnotationView, CLLocationCoordinate2D, dequeueReusableAnnotationView(), switching between different map styles	✅
20	🎮 Fireworks Night	Timer, SKNode, SKAction.follow() and its awesome orientToPath option, motionBegan(), prefersStatusBarHidden, Timer.invalidate(), colorBlendFactor for SKSpriteNodes	✅
21	🛠 Local Notifications	UNUserNotificationCenter, UNNotificationRequest, UNNotificationAction, UNNotificationCategory, UNUserNotificationCenterDelegate, UNNotificationDefaultActionIdentifier	✅
22	📱 Detect-A-Beacon	iBeacons, Core Location, CLBeaconRegion, CLLocationManager, startMonitoring(for:), startRangingBeacons(in:), uuidgen, CLBeaconRegion, CLProximity	🚧
23	🎮 Space Race	Per-Pixel Collision Detection, Advancing Particle Systems, Adjust Linear & Angular Damping, touchesEnded(), touchesMoved(), touchesBegan()	🔴
24	🛠 Swift Extensions	mutating, Protocol-Oriented Programming, Methods as Verbs, Properties as State, ExSwift	🔴
25	📱 Selfie Share	MCSession, MCBrowswerViewController, showConnectionPrompt(), MCPeerID, MCAdvertiserAssistant, MCSessionDelegate, MCBrowserViewControllerDelegate, Data, data(using:), String.Encoding.utf8	🔴
26	🎮 Marble Maze	categoryBitMask, collisionBitMask, contactTestBitMask, CMMotionManager, update()	🔴
27	🛠 Core Graphics	UIGraphicsImageRenderer, UIGraphicsImageRendererContext, CGContext, addRect(), addEllipse(), String.draw(with:), UIFont, NSMutableParagraphStyle()	🔴
28	📱 Secret Swift	KeychainWrapper, resignFirstResponder(), NotificationCenter, UIApplication.willResignActiveNotification, LocalAuthentication, LAContext, canEvaluatePolicy(), .deviceOwnerAuthenticationWithBiometrics, evaluatePolicy(), [unowned self], self, Privacy for Touch ID & Face ID	🔴
29	🎮 Exploding Monkeys	UIKit + SpriteKit, Texture Atlases, Scene Transitions, Destructable Terrain	🔴
30	🛠 Instruments	TimeProfiler, Color Blended Layers, Color Offscreen-Rendered Yellow, Color Hits Green and Misses Red	🔴

Advanced 📘

#	Project Name	Topics Learned	Progress
31	📱 Multibrowser	UIStackView, iPad Multitasking, addArrangedSubview(), WKNavigationDelegate, UITextFieldDelegate, UIGestureRecognizerDelegate, App Transport Security	🔴
32	📱 Swift Searcher	Dynamic Type, NSAttributedString, SFSafariViewController, SFSafariViewControllerDelegate, Core Spotlight, UIContentSizeCategoryDidChange	🔴
33	📱 Name That Tune	AVAudioRecorder, AVAudioSession, requestRecordPermission(), CloudKit, CKRecord, CKAsset, CloudKit Dashboard, CKQueryOperation, NSPredicate, CKRecord.Reference, fetch(withRecordID:), save(), CKQuerySubscription, NSSortDescriptor	🔴
34	🎮 Four in a Row	GameplayKit AI, GKGameModel, GKGameModelPlayer, GKGameModelUpdate, AI Heuristics, NSCopying, GKMinmaxStrategist	🔴
35	🛠 Random Numbers	Int.random(in:), Float.random(in:), Double.random(in:), CGFloat.random(in:), Bool.random(), arc4random(), GKRandomSource.sharedRandom(), GKLinearCongruentialRandomSource, GKMersenneTwisterRandomSource, GKARC4RandomSource, GKRandomDistribution, GKShuffledDistribution, GKGaussianDistribution, Fisher-Yates Algorithm, arrayByShufflingObjects(in:)	🔴
36	🎮 Crashy Plane	Composed Methods, Scale Modes, Parallax Scrolling, SpriteKit Physics, SKPhysicsContactDelegate, SKPhysicsBody, SKAudioNode, Managing Game State	🔴
37	🎮 Psychic Tester	WatchKit Extensions, 3D Touch, CAEmitterLayer, CAGradientLayer, @IBDesignable, @IBInspectable, transition(with:), WCSession, WKInterfaceLabel, WKInterfaceButton	🔴
38	🛠 Github Commits (Core Data)	NSFetchRequest, NSManagedObject, NSPredicate, NSSortDescriptor, NSFetchedResultsController, ISO8601DateFormatter	🔴
39	🛠 Unit testing with XCTest	XCTest, filter(), Test-Driven Development, Functional Programming, XCTestCase, Setting a Baseline, NSCountedSet, XCUIApplication(), XCUIElementQuery, UI Test Recording	🔴

Challenges 🥅

#	Project Name	Progress
0	🛠 Fizz Buzz	✅
1	📱 World Flags	✅
2	🎮 Hangman	✅
3	📱 Storm Viewer 2 (Collection View)	✅
4	📱 Country Facts	✅
5	📱 Imitation Apple Notes App	🚧

KEY
📱 = App
🎮 = Game
🛠 = Technique
✅ = Complete
🚧 = In Progress
🛑 = Not Started