ZwiftViewer (Kotlin Multiplatform)

ZwiftViewer is a Kotlin Multiplatform (KMP) mobile app built to showcase shared business logic, UI patterns, and network integration across Android and iOS. It demonstrates the foundation of a cross-platform companion app experience for a Zwift-like cycling platform.

Features

• Cross-platform login and session management
• Real-time ride data retrieval from ZwiftPower
• Shared rendering of ride summaries and stats
• Modern, native UI using Jetpack Compose (Android) and SwiftUI (iOS)

Tech Stack

• Kotlin Multiplatform Mobile (KMM)
• Ktor (HTTP client)
• Kotlinx Serialization
• SwiftUI
• Jetpack Compose
• Gradle (build)
• XCFramework (iOS integration)

Project Structure

• shared/ — Shared Kotlin module (models, networking, business logic)
• composeApp/ — Android app (Jetpack Compose)
• iosApp/ — iOS app (SwiftUI + integrated shared Kotlin framework)

Resources

• Kotlin Multiplatform Docs

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This project was developed as a demonstration of mobile engineering capability for a cross-platform cycling app.