expo-brownfield

Name: expo-brownfield
Availability: InStock
Author: expo

Framework (OSS). Integrate Expo and React Native into an existing native iOS or Android app. Use when the user mentions brownfield, embedding React Native in a…

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SKILL.md

Expo Brownfield

A brownfield app is an existing native iOS or Android app that adopts React Native incrementally, as opposed to a greenfield app that is React Native from day one.

Expo supports two distinct ways to add React Native to a brownfield project:

Approach
What ships to the native app
When to choose

Isolated
Prebuilt AAR / XCFramework
Native team doesn't need Node or RN tooling; RN code can live in a separate repo

Integrated
React Native sources added to the existing Gradle / CocoaPods build
One team owns everything; comfortable with RN tooling; wants a single build

For the full decision matrix, see ./references/comparison.md.

Pick an approach

Use these quick rules — fall through to comparison.md for anything ambiguous.

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skills.sh

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react-native-brownfield-migration

Provides an incremental adoption strategy to migrate native iOS or Android apps to React Native or Expo using @callstack/react-native-brownfield for initial…

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