Android Compiler (ARCore)

Target: --target android | Output: Kotlin + ARCore | Platform: Android SDK 26+

Android Compiler (ARCore)

Compiles HoloScript to Kotlin code for Android augmented reality apps.

Features

• Kotlin Activity with ARCore Session
• Sceneform or Filament rendering
• Plane detection and hit testing
• Touch gesture handling
• Jetpack Compose UI integration
• Spatial audio integration

Usage

holoscript compile ar-scene.holo --target android --output ./app/src/main/java/

Output Files

• GeneratedARSceneActivity.kt - Main Activity with AR session
• GeneratedARSceneState.kt - ViewModel state management
• NodeFactory.kt - Sceneform node creation
• AndroidManifest.xml - Permissions and ARCore metadata
• build.gradle.kts - Dependencies

Requirements

• Android SDK 26+ (ARCore 1.0)
• Android SDK 34 recommended

Example

composition "Android AR Demo" {
  environment {
    plane_detection: true
    depth_mode: "automatic"
  }

  object "PlacedModel" {
    @anchor
    @draggable
    geometry: "model/robot.glb"
    position: [0, 0, 0]
    scale: [0.5, 0.5, 0.5]
  }

  object "InfoBubble" {
    @billboard
    geometry: "sphere"
    position: [0, 0.3, 0]
    color: "#0088ff"
    opacity: 0.8
  }
}

See Also

• Platform Overview
• Android XR Compiler
• AR/Spatial Traits