In the list of templates, select Kotlin Multiplatform Shared Module, enter the module name shared, and select the Regular framework in the list of iOS framework distribution options. In Android Studio, click File | New | New Module.

Later you'll connect it to your existing Android application and your future iOS application. In your Android project, create a Kotlin Multiplatform shared module for your cross-platform code. The Kotlin Multiplatform plugin provides a special wizard for creating such modules. The cross-platform code that is used for both iOS and Android is stored in the shared module. Create a shared module for cross-platform code Your future iOS application will use the same logic, so you should make it cross-platform, as well. In your sample Android application, the business logic is stored in the package .data. The business logic is often the same for both Android and iOS, so it's a great candidate for reuse. A simple rule is: share what you want to reuse as much as possible. Run your cross-platform application on Android.ĭecide which code of your Android application is better to share for iOS and which to keep native. To make your application work on iOS, you'll first make your code cross-platform, and then you'll reuse your cross-platform code in a new iOS application.Ĭreate a shared module for cross-platform code.Īdd a dependency on the shared module to your Android application. To see the final state with the iOS application and the shared module, switch to the final branch. The master branch contains the project's initial state - a simple Android application. In Android Studio, create a new project from version control: These steps can't be performed on other operating systems, such as Microsoft Windows. You will need a Mac with macOS to complete certain steps in this tutorial, which include writing iOS-specific code and running an iOS application.

Install all the necessary tools and update them to the latest versions. If you aren't familiar with Kotlin Multiplatform for mobile, learn how to set up environment and create a cross-platform application from scratch first. The credentials are validated and saved to an in-memory database. This tutorial uses a sample Android application with a single screen for entering a username and password. You'll be able to write code and test it for both Android and iOS only once, in one place. Learn how to make your existing Android application cross-platform so that it works both on Android and iOS. Make your Android application work on iOS – tutorial

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