In my Compose/Kotlin Multiplatform project, I have a `@Serializable` data class with `kotlin.uuid.Uu...

# serialization

[Armond Avanes]

In my Compose/Kotlin Multiplatform project, I have a @Serializable data class with kotlin.uuid.Uuid as one of its properties. I'm using Kotlin 2.0.21-RC and Kotlinx-Serialization 1.7.3, but I get the following compilation error:

Serializer has not been found for type 'kotlin.uuid.Uuid'. To use context serializer as fallback, explicitly annotate type or property with @Contextual

From what I understand, there is now a built-in kotlin.uuid.Uuid serializer in Kotlinx-Serialization according to the following PR:
https://github.com/Kotlin/kotlinx.serialization/pull/2744

Is there any particular setup I need to do to make it work?

[hfhbd]

While there is a serializer provided in the runtime, the kotlin plugin does not generate code using the serializer the until 2.1.0. you can either upgrade Kotlin or just contextual and setup the serializer in the serializer module

[Armond Avanes]

Thanks for the explanation and for your help. Upgrading to Kotlin 2.1.0-Beta1 fixed the problem! Now the code is fully compilable and working, although Android Studio LadyBug (2024.2.1) still shows them as error (serializer not found, etc).