Loading...
Loading...
Found 254 Skills
SwiftData class inheritance patterns for hierarchical models with type-based querying, polymorphic relationships, and when to choose inheritance vs enums. Use when designing SwiftData model hierarchies.
Implement push notifications for iOS and Android. Covers Firebase Cloud Messaging, Apple Push Notification service, handling notifications, and backend integration.
App Store screenshot research, competitor analysis, and planning tool for iOS/macOS apps. Use this skill when working with App Store screenshots for any of these tasks: (1) Finding and analyzing competitor screenshots in your category, (2) Downloading competitor screenshots locally for reference, (3) Analyzing screenshot strategies (styles, captions, features), (4) Planning your screenshot sequence and messaging, (5) Generating a local preview website to view and compare screenshots, (6) Understanding screenshot requirements and best practices, (7) Creating exportable screenshot assets at correct dimensions.
Use when implementing 'iCloud Drive', 'ubiquitous container', 'file sync', 'NSFileCoordinator', 'NSFilePresenter', 'isUbiquitousItem', 'NSUbiquitousKeyValueStore', 'ubiquitous file sync' - comprehensive file-based iCloud sync reference
Provide expert guidance on iOS development and design. Advises on platform capabilities, best practices, and architectural decisions.
Use when debugging memory leaks from blocks, blocks assigned to self or properties, network callbacks, or crashes from deallocated objects - systematic weak-strong pattern diagnosis with mandatory diagnostic rules
REQUIRED: After creating ANY .swift, .m, .mm, .c, .cpp, or .h file in a directory containing a .xcodeproj, you MUST run add_to_xcode.rb to register it with the project. Without this step, the file will NOT appear in Xcode and will NOT compile.
SwiftUI NavigationStack, NavigationSplitView, and navigation transition patterns for iOS 16-18+. Covers @Observable coordinators, zoom transitions, hero animations, sheet vs push decisions, multi-step flows, anti-patterns, performance, accessibility, deep linking, and state restoration. This skill should be used when designing navigation hierarchies, implementing screen transitions, choosing between sheet and push, orchestrating multi-step flows, using @Observable with @Environment and @Bindable, or reviewing navigation code for anti-patterns.
Thread-safe data persistence in Swift using actors — in-memory cache with file-backed storage, eliminating data races by design.
Implement, review, or improve SwiftUI Liquid Glass effects for iOS 26+. Covers glassEffect modifier, GlassEffectContainer, glass button styles, glass toolbar, glass tab bar, morphing transitions, translucent material, vibrancy, tinting, interactive glass, ToolbarSpacer, scrollEdgeEffectStyle, backgroundExtensionEffect, and availability gating. Use when asked about Liquid Glass, glass buttons, glassEffect, GlassEffectContainer, GlassEffectTransition, glassEffectID, glassEffectUnion, scroll edge effects, or adopting iOS 26 design.
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 alarm and countdown timer features using Apple's AlarmKit framework (iOS 26+ / iPadOS 26+). Covers AlarmManager for scheduling alarms and timers, AlarmAttributes and AlarmPresentation for Lock Screen and Dynamic Island UI, AlarmButton for stop/snooze actions, authorization flows, alarm state observation, and Live Activity integration. Use when building wake-up alarms, countdown timers with system UI, or alarm-style notifications that surface on the Lock Screen and Dynamic Island.