LocalAuthentication in SwiftUI (iOS 26): Face ID and Touch ID Complete Guide
How to add Face ID, Touch ID, and Optic ID to a SwiftUI app on iOS 26 using LocalAuthentication, with LAPolicy tips, LAError handling, and Keychain binding for secrets.
iOS 26 Articles
Keychain Services in Swift: The Complete Guide to Secure Storage in iOS 26
Keychain Services is Apple's hardware-backed secure storage API for saving passwords, tokens, and cryptographic keys. This iOS 26 guide covers SecItemAdd, access control, biometric protection with LocalAuthentication, iCloud Keychain sync, and Secure Enclave keys with CryptoKit.
SwiftUI Toolbar in iOS 26: ToolbarItem, Placement, and Customization Guide
Master the SwiftUI toolbar in iOS 26. ToolbarItem placements, keyboard bars, Liquid Glass styling, VoiceOver, and cross-platform behavior on iPhone, iPad, and Mac.
SwiftUI TextRenderer in iOS 26: Custom Text Animations and Per-Glyph Effects
SwiftUI TextRenderer in iOS 26 gives you glyph-, run-, and line-level control over Text drawing. Learn the protocol, three working effects, and the Dynamic Type edges that trip most people up.
OSLog and Logger in Swift: Structured Logging, Privacy Levels, and OSLogStore in iOS 26
A practical guide to Apple's unified logging in Swift for iOS 26: how Logger replaces print, when to use each log level, how privacy annotations protect PII, and how OSLogStore and OSSignposter power in-app diagnostics and performance tracing.
SwiftUI PhaseAnimator in iOS 26: Multi-Step Animation Sequences Without State Machines
SwiftUI's PhaseAnimator walks a view through ordered animation phases from a single trigger, replacing @State flags and asyncAfter chains. Learn per-phase curves, trigger patterns, and how to combine it with CustomAnimation, plus real-world code for like buttons and toasts.
HealthKit in SwiftUI: The Complete Guide to Reading, Writing, and Live Health Data in iOS 26
Ship real HealthKit features in SwiftUI on iOS 26: async authorization, hourly step buckets, live heart rate as an AsyncSequence, workout builders, and background delivery, with all the Info.plist gotchas laid out.
SpeechAnalyzer and SpeechTranscriber in iOS 26: On-Device Speech-to-Text in Swift
SpeechAnalyzer replaces SFSpeechRecognizer in iOS 26 with an actor-based, fully on-device API. Compose SpeechTranscriber, DictationTranscriber, and SpeechDetector modules, consume results from an AsyncSequence, and ship long-form Swift transcription.
SwiftUI PencilKit in iOS 26: Apple Pencil, PKCanvasView, and Custom Drawing Tools
Embed a low-latency drawing canvas in SwiftUI using PencilKit in iOS 26. Wrap PKCanvasView, wire up PKToolPicker, persist PKDrawing to SwiftData, and handle Apple Pencil Pro squeeze and hover with production-ready Swift code.
SwiftUI @Bindable vs @Binding: When to Use Each in iOS 26
@Binding forwards a value; @Bindable projects bindings from an @Observable class. Learn the exact rules, the compiler errors, and the migration path from @ObservedObject with runnable iOS 26 examples.
SwiftUI onGeometryChange in iOS 26: Replace GeometryReader for Efficient Size and Frame Tracking
onGeometryChange replaces GeometryReader in iOS 26 for observing view size, frames, safe-area insets, and scroll offsets. Fewer layout passes, no preference-key sandwich, and no full-frame container swallowing your view.
SwiftUI contentTransition in iOS 26: The Complete Guide to Text, Numeric, and Symbol Animations
Animate text, numbers, and SF Symbols with SwiftUI's contentTransition in iOS 26. Odometer counters, glyph morphs, symbol replacements, plus production motion values and Reduce Motion handling.