plugins/expo/skills/expo-ui-swift-ui/SKILL.md
`@expo/ui/swift-ui` package lets you use SwiftUI Views and modifiers in your app.
npx skillsauth add expo/skills expo-ui-swift-uiInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
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The instructions in this skill apply to SDK 55 only. For other SDK versions, refer to the Expo UI SwiftUI docs for that version for the most accurate information.
npx expo install @expo/ui
A native rebuild is required after installation (npx expo run:ios).
@expo/ui/swift-ui, modifiers from @expo/ui/swift-ui/modifiers.Host.RNHostView is specifically for embedding RN components inside a SwiftUI tree. Example:import { Host, VStack, RNHostView } from "@expo-ui/swift-ui";
import { Pressable } from "react-native";
<Host matchContents>
<VStack>
<RNHostView matchContents>
// Here, `Pressable` is an RN component so it is wrapped in `RNHostView`.
<Pressable />
</RNHostView>
</VStack>
</Host>;
development
Framework (OSS). Migrate an existing Apple/Swift Expo native module from the Expo Modules API 1.0 definition DSL to the 2.0 macro API (sometimes called v2) while preserving its JavaScript and TypeScript contract. Use when converting or incrementally adopting @ExpoModule, @JS, @Event, @SharedObject, or @Record in an existing module. Do not use for creating a new module, general Expo SDK upgrades, or Android/Kotlin migrations.
development
Framework (OSS). Folder structure for a new Expo app. Use when scaffolding or laying out a new Expo project with Expo Router, or deciding where a file should live in one. For new projects only — never restructure an existing app to match.
tools
Submit feedback on an Expo skill—or Expo itself—and control bundled anonymous usage telemetry (off by default / opt-in). Submit feedback with: npx --yes submit-expo-feedback@latest "ACTIONABLE_FEEDBACK". Optionally add either or both: --category "CATEGORY" and --subject "SUBJECT". Replace the uppercase placeholders before running. Use when a skill was useful, confusing, broken, missing context, or worth improving; when Expo, Expo CLI, EAS CLI, docs, or MCP worked well or fell short; or when the user explicitly asks to enable or disable telemetry, check its status, or understand what it collects.
development
Framework (OSS). Migrate an existing web React app to a native iOS/Android app with Expo. Use when the user wants to turn a website into a mobile app, port a Next.js/Vite/CRA React codebase to React Native, reuse web code on native incrementally, or asks how web idioms (the DOM, CSS, React Router, localStorage, window) map to native. This is the end-to-end migration guide; use the `expo-dom` skill for the DOM-component mechanism itself.