MPP hierarchical struct works fine, but in IDEA (with the last version of plugin) I have a lot of error for

desktopMain

source code - packages

kotlin.native.concurrent

and

posix

marked as error (

gradle build

is ok). will it be fixed?

When I try to click the link that is referenced here, it asks me to login with a jetbrains account https://play.kotlinlang.org/hands-on/Targeting%20iOS%20and%20Android%20with%20Kotlin%20Multiplatform/01_Introduction

I’m a bit sad that Kotlin Multiplatform Mobile plugin isn’t compatible with IntelliJ IDEA

Is anyone using AS 4.2 canary able to install that plugin....seems to be only available in stable version?

What are the main differences with KMM plugin and built in IDEA functionality? The templates and native debugging plugins are I guess there already. I think I see a bit more integrated experience so you need XCode less?

And so it begins... The slow conversion of Kotlin multiplatform to a primarily mobile framework rather than a tool for both embedded applications and mobile. 😔

You no longer need to switch IDEs and have Xcode running to check that your code works correctly on both mobile platforms. With the new plugin, you get integration with your iOS device and simulator directly in Android Studio. This gives you the following capabilities: • Run and debug the iOS application on the simulator or a device with the predefined run configuration. • Run and debug common and iOS specific tests on the iOS simulator by simply clicking the gutter icon on a test class or method. For both the application and tests you can set breakpoints and debug your code on iOS.

I'm using kotlin 1.4.0 and a multiplatform project using cinterop. Given an example target specified like this:

mingwX64 {
        compilations.getByName("main") {
            val myInterop by cinterops.creating {
                defFile("some.def")
                packageName("com.whatever")
                compilerOpts("-I$someIncludePath")
                //... whatever else ...
            }
        }
    }

and a nativeMain sourceset that needs to depend on the output from the mingw64 main compilation cinterop library it generates, what's the best way to specify that dependency? The sourceset name for the above compilation is "mingwX64Main", so I tried this:

val mingwX64Main by getting
        val nativeMain by getting {
            dependsOn(mingwX64Main)
        }

but no luck. There's no explicit source in that sourceset, just the generated external library from cinterop, which dependsOn doesn't see. The only way I've gotten nativeMain source to see the stuff generated by cinterop is by adding this to the compilation:

defaultSourceSet {
               kotlin.srcDir("src/nativeMain/kotlin")
            }

which points the mingwX64Main sourceset to the same source directory as nativeMain. This allows imports etc to work in nativeMain source. But it seems kludgy as it gets a gradle warning on every sync:

Duplicate content roots detected: (text about nativeMain and mingwX64Main sourcesets overlapping)

Seems like there should be a dependsOn or a dependencies clause to explicitly declare this. Anybody got suggestions? Something like:

val nativeMain by getting {
            dependencies {
                implementation(<ref to the cinterop library produced from compilation mingwX64 main, sourceset mingwX64Main>)
            }
        }

Or any other way that doesn't get warnings on every sync :-) Thanks in advance for any help...

did you import kafka?

Hey I have a KMP project that has android and iOS targets. I’m trying to implement an iOS specific ViewModel (i.e. an

actual

implementation for iOS) that launches operations on coroutine contexts, but IntelliJ CE isn’t importing dependencies correctly. The code compiles and runs fine, but the editor can’t find kotlinx or any darwin packages. Anyone else run into this issue?

One thing I don't get about the way people seem to be working with KMP on iOS in particular... is why still use Swift at all? Not saying there's anything wrong with the language or interop by themselves; but in my brief explorations with Kotlin on iOS; I was happily able to write everything in Kotlin from the MainKt up... isn't this preferable in the eye of consistency?

I haven't tried that approach with SwiftUI admittedly. I imagine it would work as well, minus the 'fast feedback' in Xcode ofc - that's probably reason enough to use Swift, actually.

Anyone getting

InvalidMutabilityException

with

ktor 1.4.0

and `coroutines 1.3.9-native-mt`?

I’m using this task in my shared module to generate the ios framework :

val packForXcode by tasks.creating(Sync::class) {
    val targetDir = File(buildDir, "xcode-frameworks")

    /// selecting the right configuration for the iOS
    /// framework depending on the environment
    /// variables set by Xcode build
    val mode = System.getenv("CONFIGURATION") ?: "DEBUG"
    val framework = kotlin.targets
        .getByName<KotlinNativeTarget>("ios")
        .binaries.getFramework(mode)
    inputs.property("mode", mode)
    dependsOn(framework.linkTask)

    from({ framework.outputDirectory })
    into(targetDir)

    /// generate a helpful ./gradlew wrapper with embedded Java path
    doLast {
        val gradlew = File(targetDir, "gradlew")
        gradlew.writeText(
            "#!/bin/bash\n"
                    + "export 'JAVA_HOME=${System.getProperty("java.home")}'\n"
                    + "cd '${rootProject.rootDir}'\n"
                    + "./gradlew \$@\n"
        )
        gradlew.setExecutable(true)
    }
}

Which seems to work, I can find it under

build > bin > ios > debugFramework > SharedCode.framework

I then go over to xcode

Target > Frameworks, Libraries, and Embedded Content > + > Add files (inside the drop box)

then I navigate to

SharedCode.framework

and select it. Xcode does not complain but when I try to build my project I get

Framework not found SharedCode

How am I suppose to add it ?

A number of folks are having issues opening PeopleInSpace project in Android Studio on linux....anyone else come across this or know what cause might be? https://github.com/joreilly/PeopleInSpace/issues/8

I have this data class in my shared module

import kotlinx.serialization.Serializable

@Serializable
data class News(
    val type: String,
    val title: String,
    val image: String,
    val link: String,
    val date: String
)

From Xcode, I see it like this after importing the framework

__attribute__((objc_subclassing_restricted))
__attribute__((swift_name("News")))
@interface SharedCodeNews : SharedCodeBase
- (instancetype)initWithType:(NSString *)type title:(NSString *)title image:(NSString *)image link:(NSString *)link date:(NSString *)date __attribute__((swift_name("init(type:title:image:link:date:)"))) __attribute__((objc_designated_initializer));
- (NSString *)component1 __attribute__((swift_name("component1()")));
- (NSString *)component2 __attribute__((swift_name("component2()")));
- (NSString *)component3 __attribute__((swift_name("component3()")));
- (NSString *)component4 __attribute__((swift_name("component4()")));
- (NSString *)component5 __attribute__((swift_name("component5()")));
- (SharedCodeNews *)doCopyType:(NSString *)type title:(NSString *)title image:(NSString *)image link:(NSString *)link date:(NSString *)date __attribute__((swift_name("doCopy(type:title:image:link:date:)")));
- (BOOL)isEqual:(id _Nullable)other __attribute__((swift_name("isEqual(_:)")));
- (NSUInteger)hash __attribute__((swift_name("hash()")));
- (NSString *)description __attribute__((swift_name("description()")));
@property (readonly) NSString *date __attribute__((swift_name("date")));
@property (readonly) NSString *image __attribute__((swift_name("image")));
@property (readonly) NSString *link __attribute__((swift_name("link")));
@property (readonly) NSString *title __attribute__((swift_name("title")));
@property (readonly) NSString *type __attribute__((swift_name("type")));
@end;

I try to instantiate it from swift

var news = News()

but I get the error

init() is not available

and if I start to add arguments like

News(type: "a type")

then I get

argument passed to call that takes no arguments

gradle config:

kotlin {
    jvm()
    iosArm32()
    iosArm64()
    iosX64()
    linuxX64()
    macosX64()
    mingwX64()
    tvosArm64()
    tvosX64()
    watchosArm32()
    watchosArm64()
    watchosX86()

    sourceSets {
        commonMain {
            dependencies {
                api 'org.jetbrains.kotlin:kotlin-stdlib-common'
                api libraries.coroutines
            }
        }

        commonTest {
            dependencies {
                implementation 'org.jetbrains.kotlin:kotlin-test-multiplatform'
                implementation 'app.cash.turbine:turbine:0.2.1'
            }
        }

        jvmTest {
            dependsOn commonMain
            dependencies {
                implementation 'org.jetbrains.kotlin:kotlin-stdlib-jdk8'
                implementation testLibraries.junit
                implementation testLibraries.coroutinesTest
            }
        }

        nativeMain {
        }
        nativeTest {
        }

        configure([
                targets.iosArm32,
                targets.iosArm64,
                targets.iosX64,
                targets.linuxX64,
                targets.macosX64,
                targets.mingwX64,
                targets.tvosArm64,
                targets.tvosX64,
                targets.watchosArm32,
                targets.watchosArm64,
                targets.watchosX86,
        ]) {
            compilations.main.source(sourceSets.nativeMain)
            compilations.test.source(sourceSets.nativeTest)
        }
    }
}

maybe this was asked earlier, but what's the difference between the latest KMM release and the previous KMP releases? If one is already integrated with Kotlin Multiplatform on Android/iOS would have to migrate to the new KMM? Or is KMM mostly providing only the Android Studio plugins?

Hi everyone, I’m trying to use ios() target instead of iosX64+ iosArm64, but I got exception “platform” not resolved. I guess it’s bug in studio or kotlin plugin, because build is successful. I use android studio 4.1 rc2

Is it expected behaviour for the default commonTest configuration to use the

cleanIosX64Test iosX64Test

tasks? Both my own project and the

kmm-sample-master

use these tasks. The feedback from evaluating expressions isn’t as reliable when debugging as a result.

Hey all, with the new KMM plugin loaded into Android Studio 4.1 RC-2, I generated a project using the wizard, and ended up with this:

A problem was found with the configuration of task ':shared:runCommonizer' (type 'CommonizerTask').
> Directory '/Users/dave.leeds/.konan/kotlin-native-prebuilt-macos-1.4/klib/common' specified for property 'params.originalCommonLibsDir' does not exist.

Any ideas what I might have done wrong?

well damn. apparently the cocoapods plugin now needs to be able to find the pods when building, and it doesn't seem to support self-hosted pod repos

Hi all, giving the KMM plugin a try, but the default iosApp config not seems to be working. Do I need to set this up with xcode? 🤔

Error: Please check specified Xcode project file: can't grab Xcode schemes with /usr/bin/xcodebuild -project /Users/xxfast/Developer/KMM/OpenWeather/./iosApp/iosApp.xcodeproj -list

this is with kotlin 1.4 and

enableGranularSourceSetsMetadata

set to true

Has anyone successfully run an Android Instrumented Test from their

androidTest

source set? I'm trying to write UI tests in

commonTest

that will run on android/iOS

Does the new cocoapods plugin support hierarchical project structures for ios targets? The samples (https://github.com/Kotlin/kotlin-with-cocoapods-sample) declare the iOS target using

ios()

but then use symlinks between the x86 and arm source sets. I can't seem to get any cocoapods imports to work in the shared iOS sourceset.

One of the issues we’re facing when migrating to KMP is that we have *VM*s loaded with :android: resource ids. While making a Resource abstraction seems okay at first, using

ApplicationContext

won’t work with all kinds of resources, while view specific

context

would probably cause leaks. How are you guys approaching this?

I tried installing KMM. So that is, installed android studio, installed kotlin plugin 1.4.0(+). Have (open)jdk installed. Installed the plugin for KMM in android studio (and active). Even rebooted. But there 's no option for KMM under "new project"....