The third step is new, and specific to KMM. Next, fill in the package name and project path. This’ll come up if we finish the environment setup successfully: You can reference this process here, but let’s ignore this complicated case while starting out.įirst, let’s create a new project in Android Studio by going to File -> New -> New Project. If you already have an Android/iOS project that you want to extend with KMM, you will need to add the KMM module into your Android project, restructure the code to move common code into shared modules, and configure the iOS project to link to the KMM framework. Now that the environment is set, let’s create a KMM project. If you have to work with SQLDelight, make sure to install this plugin as well to make it easier to work with. Luckily, Stack Overflow has resources and answers for any troubles. We may need to set the JDK installation path in System Paths to get this to work. Be careful with this, as it can be a little tricky. Needless to say, we also need to have JDK installed.
Click on Install Kotlin Multiplatform Mobile plugin and install it. You can see a visual below.Īfter that, search for the KMM plugin in the Plugin section of the Preferences menu. Next, click Configure Kotlin Plugin Updates followed by Check again. Go to Android Studio Tools and then hover over Kotlin. Next, we need to make sure we have the latest Kotlin plugin installed. We can build and run the Android app with KMM code without Xcode. If we want to try the iOS side of things, we’ll need to install Xcode, too. Hands-on with Kotlin Multiplatform Mobileįirst, we need to install Android Studio.How does the Xcode project know about the shared framework?.But first, we need to clear some prerequisites. We’ll also see how common business logic, like database operations, can be reused. In this post, we’ll learn KMM by building a small note-taking application with local database operations. You only need to write platform-specific code like UI. With KMM, you can write the core of your app in Kotlin and use it in both Android and iOS applications. So how can you execute your idea with a minimum learning curve? Enter Kotlin Multiplatform Mobile, or KMM.Īccording to their official website, “Kotlin Multiplatform Mobile (KMM) is an SDK designed to simplify the development of cross-platform mobile applications.” But what about the core of the app? Even if you have experience with iOS development, rewriting the same core for iOS can be redundant. If you have experience developing mobile UIs for Android, you can probably follow some SwiftUI tutorials and get by just fine. You are confident that you can build an app for Android easily, but are not so sure about iOS. Imagine that you are an expert Android developer with an idea for a killer app. Building cross-platform mobile apps with Kotlin Multiplatform Asutosh Nayak Follow Engineer with a special focus on Android and deep learning.
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