Marco Gomiero - Introducing Kotlin Multiplatform in an existing project

#1about 3 minutes

Understanding the core principles of Kotlin Multiplatform

Kotlin Multiplatform enables sharing non-UI business logic across platforms like Android and iOS by compiling Kotlin to native code.

#2about 6 minutes

Setting up a new project with the monorepo structure

The Android Studio plugin simplifies new project setup by creating a monorepo with shared modules consumed differently by Android and iOS.

#3about 4 minutes

Choosing what code to share in an existing project

Start sharing code that is a single source of truth or is tedious to write twice, such as DTOs, common models, or analytics.

#4about 4 minutes

Publishing a shared Android library using Maven

Use the Maven Publish Gradle plugin to package the shared code as an AAR library and publish it to a repository for Android consumption.

#5about 10 minutes

Building and publishing an XCframework for iOS

Create a universal XCframework containing all necessary architectures and publish it to a private Cocoapods repository for use in an iOS project.

#6about 4 minutes

Managing concurrency and memory in Kotlin Native

The original Kotlin Native memory model requires freezing objects to share them across threads, but a new, more flexible memory model is coming.

#7about 4 minutes

A practical strategy for adopting Kotlin Multiplatform

Begin by sharing a small, low-risk feature to validate the entire deployment pipeline before expanding to more complex business logic.

#8about 12 minutes

Q&A on limitations, challenges, and testing

The main challenges are the initial setup and concurrency model, while UI testing remains platform-specific and team collaboration is key for success.

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