Hi all :android-wave: , I am trying to migrate my ...

# k2-adopters

[Abhimanyu]

Hi all 👋 ,
I am trying to migrate my project (https://github.com/Abhimanyu14/finance-manager) to use K2.

It is an Android Jetpack Compose project.
I am following this guide for the migration.
https://www.jetbrains.com/help/kotlin-multiplatform-dev/compose-compiler.html#migrating-a-jetpack-compose-project

I am getting errors in the process.
More details in thread. 🧵

Please help thank you color

[Abhimanyu]

I do not have androidx.compose.compiler:compiler or androidx.compose.compiler:compiler-hosted .

How to proceed with this step?

[Abhimanyu]

How to migrate this code?

composeOptions {
        kotlinCompilerExtensionVersion = "1.5.12" // jetpackComposeCompilerVersion
}

[shikasd]

Just remove the version, keep buildFeatures.compose = true

The new compiler Gradle plugin will substitute dependencies automatically

[Abhimanyu]

Thanks @shikasd thank you color

Sharing the steps I did, incase anyone else faces similar issues.

1. In libs.version.toml ,
Updated

Libraries

com.google.devtools.ksp:symbol-processing-api => "2.0.0-1.0.21"

Plugins

org.jetbrains.kotlin.android => "2.0.0"
org.jetbrains.kotlin.jvm => "2.0.0"
org.jetbrains.kotlin.plugin.serialization => "2.0.0"
com.google.devtools.ksp => "2.0.0-1.0.21"

Error

This version (1.5.12) of the Compose Compiler requires Kotlin version 1.9.23 but you appear to be using Kotlin version 2.0.0 which is not known to be compatible.

Compose compiler defined like this in all feature modules using compose.

android {
    composeOptions {
        kotlinCompilerExtensionVersion = "1.5.12" // jetpackComposeCompilerVersion
    }
}

This page https://developer.android.com/jetpack/androidx/releases/compose-kotlin suggested https://developer.android.com/develop/ui/compose/compiler for K2.

2. Added "org.jetbrains.kotlin.plugin.compose" plugin with same version as org.jetbrains.kotlin.android .
3. Added compose compiler plugin to app and other features modules using Compose.
4. Removed the kotlinCompilerExtensionVersion as suggested in the above message.

[shikasd]

I think it is partially a documentation issue, need to update this paragraph to remove "if you use Android build feature" part