Builds native iOS apps in Swift — SwiftUI and UIKit screens, state and data flow, NavigationStack, lists, forms and accessibility; networking with URLSession and Codable, persistence with SwiftData, Core Data, files and the Keychain; permissions, push notifications, universal links, background tasks, widgets, App Intents and StoreKit 2 purchases; performance with Instruments and MetricKit; and release with signing, TestFlight and App Store Connect. Use when writing or changing native iOS code, adding a platform feature, preparing a build for TestFlight or the App Store, or when the user asks how to do something on iOS, even if they do not name the framework.
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Guides for building native iOS apps. Cross-platform topics live in their own skills and have iOS references there: architecture in mobile-architecture, tests in mobile-test, debugging (Xcode, CocoaPods, crashes) in mobile-debug, code review in mobile-code-review, security in mobile-security and Firebase in mobile-firebase.
| Topic | Read |
|---|---|
| SwiftUI and UIKit screens, navigation, lists, forms, accessibility, localization | references/ui-navigation.md |
| Networking, JSON, persistence, caching, offline | references/data-networking.md |
| Permissions, push, universal links, background work, widgets, App Intents, in-app purchases | references/platform-features.md |
| Performance, app size, signing, TestFlight and App Store release | references/performance-release.md |
IPHONEOS_DEPLOYMENT_TARGET), the Swift language version and the Xcode version: many APIs in these guides need iOS 16 or 17, and Swift 6 changes concurrency checking.Package.resolved or Podfile.lock.No reviews yet. Tell others what you thought.
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Audits and fixes mobile accessibility across Flutter, native Android, native iOS, React Native and Kotlin Multiplatform, including shared Compose UI and native hosts. Covers TalkBack/VoiceOver labels, roles, state, reading order, touch targets, text scaling, contrast and focus. Use for a11y audits, screen-reader bugs or accessible UI implementation.
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Builds native Android apps with the Android team's guides — Jetpack Compose UI, adaptive layouts, edge-to-edge, Compose styles, migrating XML views to Compose, Navigation 3 and predictive back; Android Gradle Plugin 9 upgrades, R8 keep rule analysis, profiling with Android Studio and Perfetto, and the Android CLI; Google Play policy compliance, Play Billing upgrades and the Engage SDK; Credential Manager restore and verified email; CameraX and Media3 Cast; App Functions and the ML Kit GenAI Prompt API; Wear OS, Android TV and display glasses. Use when writing, upgrading or auditing native Android (Kotlin) code for any of these topics, even if the user does not name the library.
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Designs and reviews mobile architecture across Flutter, native Android, native iOS, React Native and Kotlin Multiplatform. Covers state ownership, data flow, modules, dependency boundaries, navigation, offline data and KMP shared source sets versus host apps. Use when structuring a feature, choosing state management, refactoring layers or deciding where a real class or screen belongs.
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Implements and reviews mobile identity and session flows across Flutter, Android, iOS, React Native and Kotlin Multiplatform. Use for sign-in, passkeys, account recovery, provider linking, reauthentication, logout and concurrent refresh. Security audits belong to mobile-security; account deletion belongs to mobile-privacy.
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Reviews mobile code for production bugs across Flutter, native Android, native iOS, React Native and Kotlin Multiplatform, including KMP source-set and host API contracts. Covers lifecycle, concurrency, UI state and native boundaries with file:line evidence. Use for a code review, PR, project audit, quality check or /reis-mobile:review.
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Diagnoses build and runtime failures across Flutter, native Android, native iOS, React Native and Kotlin Multiplatform. Covers pub/Dart, Gradle/AGP, Xcode/CocoaPods, Metro, KMP source sets and iOS frameworks, crashes and deep links. Use for failing builds, app launches, stack traces or /reis-mobile:debug.
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