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Found 236 Skills
Expert navigation decisions for iOS/tvOS: when NavigationStack vs Coordinator patterns, NavigationPath state management trade-offs, deep link architecture choices, and tab+navigation coordination strategies. Use when designing app navigation, implementing deep links, or debugging navigation state issues. Trigger keywords: NavigationStack, NavigationPath, deep link, routing, tab bar, navigation, programmatic navigation, universal link, URL scheme, navigation state
Expert theming decisions for iOS/tvOS: when custom themes add value vs system colors suffice, color token architecture trade-offs, theme switching animation strategies, and accessibility contrast compliance. Use when designing color systems, implementing dark mode, or building theme pickers. Trigger keywords: theme, dark mode, light mode, color scheme, appearance, colorScheme, ThemeManager, adaptive colors, dynamic colors, color tokens, WCAG contrast
Use when you need complete SF Symbols API reference including every rendering mode, symbol effect, configuration option, UIKit equivalent, and platform availability - comprehensive code examples for iOS 17 through iOS 26
Build iOS/macOS/watchOS/visionOS widgets, Live Activities, watch complications, and controls using Apple's WidgetKit framework. Use when creating widget extensions, timeline providers, configurable widgets, Lock Screen widgets, Smart Stack widgets, Live Activities with ActivityKit, interactive widgets with buttons/toggles, or watch complications. Covers all widget families (systemSmall/Medium/Large/ExtraLarge, accessoryCircular/Rectangular/Inline/Corner) and rendering modes.
Writes and reviews Swift FormatStyle code, replacing legacy Formatter subclasses and C-style String(format:) with modern .formatted() APIs. Use when formatting numbers, dates, durations, measurements, lists, names, byte counts, or URLs.
Format values for display using the FormatStyle protocol and its concrete types. Use when formatting numbers (integers, floating-point, decimals), currencies, percentages, dates, date ranges, relative dates, durations (Duration.TimeFormatStyle, Duration.UnitsFormatStyle), measurements, person names (PersonNameComponents.FormatStyle), byte counts (ByteCountFormatStyle), lists (ListFormatStyle), and URLs (URL.FormatStyle). Also covers creating custom FormatStyle conformances and replacing legacy Formatter subclasses. FormatStyle is available iOS 15+; Duration styles require iOS 16+.
Use when implementing Liquid Glass effects, reviewing UI for Liquid Glass adoption, debugging visual artifacts, optimizing performance, or requesting expert review of Liquid Glass implementation - provides comprehensive design principles, API patterns, and troubleshooting guidance from WWDC 2025. Includes design review pressure handling and professional push-back frameworks
iOS development guidelines and best practices for the mobile-dev team
Implement, review, or improve in-app tips and onboarding using Apple's TipKit framework. Use when adding feature discovery tooltips, onboarding flows, contextual tips, first-run experiences, or coach marks to iOS/macOS/visionOS apps. Trigger when working with Tip protocol, TipView, popoverTip, tip rules, tip events, or feature education UI.
Implement, review, or improve in-app purchases and subscriptions using StoreKit 2. Use when building paywalls with SubscriptionStoreView or ProductView, processing transactions with Product and Transaction APIs, verifying entitlements, handling purchase flows (consumable, non-consumable, auto-renewable), implementing offer codes or promotional/win-back/introductory offers, managing subscription status and renewal state, setting up StoreKit testing with configuration files, or integrating Family Sharing, Ask to Buy, refund handling, and billing retry logic.
Add Apple Pencil drawing, canvas views, tool pickers, and ink serialization using PencilKit. Use when building drawing apps, annotation features, handwriting capture, signature fields, or any Apple Pencil-powered experience on iOS/iPadOS/visionOS.
API reference: PhotosUI. Query for PhotosPicker, PHLivePhotoView, photo selection.