Hi I would like to add KMM module into existing project Afte kotlinlang #multiplatform

Hi, I would like to add KMM module into existing p...

Martin Kolesar

03/15/2023, 10:02 AM

Hi, I would like to add KMM module into existing project. After adding new module there is missing dependecy, so I added maven jitpack.io. When I start gradle sync I get error: "Could not find: kotlin-native-prebuild-macou-aarch64:1.8.10". I have also tried it on linux and similar error occured. How can I solve it?

xxfast

03/15/2023, 10:03 AM

I think you can't publish kotlin Multiplatform libraries to jitpack - as they don't handle kotlin metadata correctly

Martin Kolesar

03/15/2023, 10:04 AM

I don't want to publish anything. just adding new KMM module to my app

xxfast

03/15/2023, 10:05 AM

Which kmm module is this? Is this something public?

Martin Kolesar

03/15/2023, 10:06 AM

no, I want to create my own module inside app for network communication

xxfast

03/15/2023, 10:08 AM

If it is submodule in the same project, you should be able to include it as a dependency

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implementation(project(":module-name")

xxfast

03/15/2023, 10:09 AM

How are you currently adding your module?

Martin Kolesar

03/15/2023, 10:13 AM

I have created new android application in Android Studio. Now I create new module and choose KMM module. Afte pressing finish I get error: Build was configured to prefer setting repositories over project repository 'ivy' was added by build file .... After that I changed setting.gradle repositoryMode to RepositoryMode.PREFFER_SETTINGS and added the repositore jitpack.io. Now when I would like to sync gradle I get this error which I mentioned at the beggining with prebuild for mac

Maarten Bruggeman

03/15/2023, 10:15 AM

Are you on a mac device? you can only build for apple on apple devices

Martin Kolesar

03/15/2023, 10:15 AM

yes, I am on mac

Martin Kolesar

03/15/2023, 10:15 AM

but I would like to use only Android for now

Maarten Bruggeman

03/15/2023, 10:19 AM

then I'm not sure why you added a mac target (which is why kotlin for mac is being fetched I suppose). you can always remove it in the build.gradle files.but without more information or code this is as far as I dare go troubleshooting.

xxfast

03/15/2023, 10:20 AM

Can you share how your

build.gradle

looks like for the project and each of the modules? Looks like it is misconfigured somewhere

Martin Kolesar

03/15/2023, 10:21 AM

this mac is there because I am working on mac, I have tried it also with linux and the linux dependecy was missing, something like kotlin-native-prebuild-linux-x64:1.8.10

Martin Kolesar

03/15/2023, 10:22 AM

build.gradle,settings.gradle

build.gradle settings.gradle

Martin Kolesar

03/15/2023, 10:23 AM

module

build.gradle.kts

xxfast

03/15/2023, 10:26 AM

Can you try replacing your

dependencyResolutionManagement

with this?

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dependencyResolutionManagement { 
 repositories { 
     google() 
     mavenCentral() 
   } 
 }
}

Martin Kolesar

03/15/2023, 10:32 AM

It is downloading the prebuild now. Thank you. But this was generated code from KMM plugin, so not really sure why it happen

Martin Kolesar

03/15/2023, 10:33 AM

I had to remove unit tests, but thats ok. Hopefully find a way how can I test the KMM code

xxfast

03/15/2023, 10:35 AM

Yeah i think you might've have added that jitpack repository for a library that you are using in your Android app, you should able to add that back in if you want but don't think you need this

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repositoriesMode.set(RepositoriesMode.PREFER_SETTINGS)

xxfast

03/15/2023, 10:36 AM

Not sure what

RepositoriesMode.PREFER_SETTINGS

actually does, but that seems to break the order of how the dependencies are looked up from each repository

Martin Kolesar

03/15/2023, 10:38 AM

Do you know what framework can I use for testing?

xxfast

03/15/2023, 10:39 AM

Unit testing? Or Instrumentation testing?

Martin Kolesar

03/15/2023, 10:40 AM

unit, but instrumental will be later, so I would appreciate anything

xxfast

03/15/2023, 10:42 AM

If it is a Multiplatform module, use kotlinx.test

xxfast

03/15/2023, 10:43 AM

Here's some examples on how I set this up for my Multiplatform library

xxfast

03/15/2023, 10:44 AM

Kotlin.test is like JUnit, but you can choose which platform you want to run your unit tests on

Adam S

03/15/2023, 2:21 PM

the Kotlin Multiplatform plugin doesn't work out-of-the box with

dependencyResolutionManagement

yet https://youtrack.jetbrains.com/issue/KT-51379 You can add the repositories manually though https://github.com/Kantis/ks3/blob/7ae763fc9fac4cfab63c153261b281c6066d5c8f/build-logic/repositories.gradle.kts#L37-L65

Jeff Lockhart

03/15/2023, 2:38 PM

repositoriesMode.set(RepositoriesMode.PREFER_SETTINGS)

just tells gradle to use the repositories defined in settings.gradle.kts in

dependencyResolutionManagement

preferably over a

repositories

block defined in a specific project's build.gradle.kts. It's a newer gradle feature. You can use the older method to define repositories for all projects, without forcing projects to not be able to add their own repositories by removing the

dependencyResolutionManagement

block in settings.gradle.kts and adding them under

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allprojects {
    repositories {
        google()
        mavenCentral()
        maven { url '<https://jitpack.io|https://jitpack.io>' }
    }
}

in your top-level build.gradle.kts.

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