KMP is not the final step to accomplishing 100% shared code across all platforms, but it is the natural next step towards that goal. KMP is a feature of Kotlin which shares code between an app’s various platforms, so that each platform’s natively programmed UI calls into the common code. Kotlin is a statically-typed programming language that bears a striking resemblance to Swift, and is 100% interoperable with Java. Think about your iOS current project: is it available on any other platforms, like Android or the web? If so: how much logic does your iOS app share with its counterparts on those other platforms? If not, but making your app available on another platform is on the roadmap, how much will developing on the next platform force you to repeat yourself? Either way, the answer is probably: a lot.Įnter Kotlin Multiplatform (KMP). And more shared code across platforms means less repetition, which means better code. Trying to minimize repetition is just good programming.

DRY (or Don’t Repeat Yourself) is one of the foundational principles of programming, but repeating lots of logic has been often necessary to develop an app running on multiple platforms.

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