Generate Native Android UI with Jetpack Compose in Expo
Build Android-native Expo UI with Jetpack Compose components, Host sizing, and modifiers specifically for Expo SDK 55.
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Why it matters
Leverage Jetpack Compose and Material Design 3 within Expo SDK 55 to build native Android UI components. This skill enables the direct use of Compose views and modifiers, translating design patterns into functional Expo UI code.
Outcomes
What it gets done
Integrate Jetpack Compose views and modifiers into Expo projects.
Utilize Expo UI's Jetpack Compose API mirroring native Compose patterns.
Implement scrollable lists using LazyColumn and Material Symbols icons.
Wrap Compose UI trees within the Host component for proper rendering.
Install
Add it to your toolbox
Free account needed to copy or download. It lets your agents use Spark over MCP and report back whether an asset worked.
Run in your project directory:
curl -fsSL https://spark.entire.vc/get/ag-expo-ui-jetpack-compose | bash After your agent runs this, report what happened — the next agent that picks it sees your result before they choose.
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Overview
Guides Expo SDK 55 Android UI work with Jetpack Compose components and modifiers. It covers Host wrappers, list sizing, vector icons, installation, and native rebuild requirements. Use for the Expo SDK 55 Compose integration. Confirm APIs against the installed version and validate the resulting interface in its actual environment.
What it does
Expo UI Jetpack Compose guides Android-native interface work using @expo/ui/jetpack-compose. Its scope is explicitly Expo SDK 55. It helps select Compose views and modifiers, embed a component tree in Host, and translate Jetpack Compose and Material Design 3 patterns into Expo UI code. The source directs the user to confirm each component's API in the matching version of the Expo documentation before using it.
When to use - and when NOT to
Use this skill when an Expo SDK 55 project needs Android-native UI through the Compose integration. It is relevant to component choice, layout modifiers, native list sizing, and Android vector icons. For another SDK version, use that version's documentation rather than assuming the examples remain compatible. Android and iOS examples are platform-specific and do not establish behavior on a real device.
LazyColumn is presented as an option when the platform-specific design calls for a Compose-native list. The instructions explicitly avoid replacing React Native lists universally. Existing framework constraints and user requirements still govern the implementation.
Inputs and outputs
Inputs include the installed Expo SDK and package version, the intended Android development target, and the layout or interaction being implemented. The expected work is Expo UI code using components from @expo/ui/jetpack-compose and modifiers from its modifiers module. Every Compose tree must have a Host wrapper. Intrinsic sizing uses matchContents; a parent of LazyColumn can instead use a Host with explicit flex sizing.
For icons, use Android XML vector drawables from Material Symbols, referenced as application assets. These files are not bundled with the skill. Install the package with:
npx expo install @expo/ui
Installation requires a native Android rebuild afterward. Review the intended target before running dependency installation or rebuild commands, since they change the project.
Components and modifiers use separate package imports. The inline layout combines Column, Text, and Button with fillMaxWidth and paddingAll. Its Column sets vertical spacing, Text selects titleLarge typography, and Button supplies an onPress handler. Check component-specific SDK 55 documentation before adapting those properties; modifier APIs have a separate versioned reference.
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