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unity-artifacts.md

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Unity artifacts

Unity artifacts must be added before building the React Native app.

Locations (in React Native app)

Android

  • unity/android/unityLibrary-release.aar

The filename of the AAR can be edited in build.gradle located in the same directory, to switch between debug and release variants of your Unity artifact.

iOS

  • unity/ios/UnityFramework.xcframework/ios-arm64/UnityFramework.framework (Device SDK)
  • unity/ios/UnityFramework.xcframework/ios-x86_64-simulator/UnityFramework.framework (Simulator SDK)

Building Unity artifacts

Android (Android Studio)

  1. Export an Android project from Unity to somewhere on your computer.

  2. Open the generated project in Android Studio.

  3. Go to Build Variants and change Active Build Variant to Release:

    • Select Build Variant
    • Active Build Variant

  4. Press Execute Gradle Task in the Gradle panel. Type in gradle build and execute.

    • Execute Gradle Task

  5. Find unityLibrary-release.aar at unityLibrary/build/outputs/aar/unityLibrary-release.aar.

  6. Copy this file into the React Native project.

    • unity/android/unityLibrary-release.aar

iOS (Xcode)

  1. Export an iOS project from Unity to somewhere on your computer.

  2. Open the generated project in Xcode.

  3. Go to Edit Scheme and change Build Configuration to Release:

    • Edit Scheme
    • Release configuration

  4. Build the project:

    • ⌘ + B

  5. Find the resulting framework by right-clicking UnityFramework in the project explorer and Show in Finder:

    • Show in Finder
    • UnityFramework

  6. Copy this framework into the React Native project.

    • unity/ios/UnityFramework.xcframework/ios-arm64/UnityFramework.framework

  7. Repeat steps 1 to 6 for iOS Simulator if necessary.

    • Make sure to select Simulator SDK in Unity player settings before exporting.