Kotlin Multiplatform (KMP) aims to unify codebases across platforms, offering code reuse, faster development cycles, and modern language benefits like null safety and coroutines.
Despite Kotlin's official endorsement for Android and KMP's promise, Java's strong presence in Android with its legacy, ecosystem, and robust tooling keeps it relevant.
KMP brings features like shared business logic, coroutines, null safety, and near-native performance, but faces challenges like tooling maturity, learning curve, library availability, and ecosystem size.
Experts suggest a coexistence of KMP and Java on Android, with KMP handling shared logic and native languages used for UI and platform-specific features by 2030.
Realistically, KMP will not replace Java entirely but will complement it, enabling shared codebases and faster multi-platform development.
Developers are advised to experiment with KMP for shared logic while leveraging Java and Kotlin JVM for platform-specific needs in the evolving Android development landscape.
The future may see a gradual transition towards KMP for new projects targeting multiple platforms while legacy Java codebases persist for years.
KMP adoption hurdles include tooling maturity, learning curve, library compatibility, performance nuances, and the size of its ecosystem and community support.
By 2030, Android development is expected to utilize Kotlin JVM for UI and KMP for shared logic, fostering a hybrid approach rather than exclusive language replacement.
While KMP offers exciting multiplatform app development opportunities, Java's maturity, ecosystem, and legacy presence ensure its significance alongside KMP in the upcoming decade.