expo-ui-jetpack-compose

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name: expo-ui-jetpack-compose description: expo-ui-jetpack-compose risk: critical source: community date_added: "2026-09-04"

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name: expo-ui-jetpack-compose description: @expo/ui/jetpack-compose package lets you use Jetpack Compose Views and modifiers in your app.

The instructions in this skill apply to SDK 55 only. For other SDK versions, refer to the Expo UI Jetpack Compose docs for that version for the most accurate information.

When to Use

• You need to build Android-native UI in Expo using @expo/ui/jetpack-compose.
• The task involves choosing Compose views or modifiers, embedding them in Host, or translating Jetpack Compose patterns into Expo UI code.
• You are working specifically against Expo SDK 55 behavior for Jetpack Compose integration.

Installation

npx expo install @expo/ui

A native rebuild is required after installation (npx expo run:android).

Instructions

• Expo UI's API mirrors Jetpack Compose's API. Use Jetpack Compose and Material Design 3 knowledge to decide which components or modifiers to use.
• Components are imported from @expo/ui/jetpack-compose, modifiers from @expo/ui/jetpack-compose/modifiers.
• When about to use a component, fetch its docs to confirm the API - https://docs.expo.dev/versions/v55.0.0/sdk/ui/jetpack-compose/{component-name}/index.md
• When unsure about a modifier's API, refer to the docs - https://docs.expo.dev/versions/v55.0.0/sdk/ui/jetpack-compose/modifiers/index.md
• Every Jetpack Compose tree must be wrapped in Host. Use <Host matchContents> for intrinsic sizing, or <Host style={{ flex: 1 }}> when you need explicit size (e.g. as a parent of LazyColumn). Example:

import { Host, Column, Button, Text } from "@expo/ui/jetpack-compose";
import { fillMaxWidth, paddingAll } from "@expo/ui/jetpack-compose/modifiers";

<Host matchContents>
  <Column verticalArrangement={{ spacedBy: 8 }} modifiers={[fillMaxWidth(), paddingAll(16)]}>
    <Text style={{ typography: "titleLarge" }}>Hello</Text>
    <Button onPress={() => alert("Pressed!")}>Press me</Button>
  </Column>
</Host>;

Key Components

• LazyColumn — Use instead of react-native ScrollView/FlatList for scrollable lists. Wrap in <Host style={{ flex: 1 }}>.
• Icon — Use <Icon source={require('./icon.xml')} size={24} /> with Android XML vector drawables from Material Symbols.

Limitations

• Use this skill only when the task clearly matches the scope described above.
• Do not treat the output as a substitute for environment-specific validation, testing, or expert review.
• Stop and ask for clarification if required inputs, permissions, safety boundaries, or success criteria are missing.