Hello Team, I am creating kotlin library and using it into iOS App from https://kotlinlang.org/docs/apple-framework.html but I need to create different library for simulator and iphone . Can anyobody help to create single library for all iOS devices (edited)

Hi guys, thanks for creating KMM. Im trying to create a repository with a KMM library that will be compatible to SPM. I have added Package.swift file with the binary link and checksum. But it fails with xcode complaining about wrong hash. It does not write the message fully but I assume it means that checksum was wrong. The project is here https://github.com/shalva97/google-auth-decode and checksum is specified here. the way I generated the hash code is in the pic So how should I generate correct checksum?

Hi everyone, we already have two separate repos - 1 Android and 1 iOS for our apps at my company and I am looking for the "best" (most frictionless for our iOS devs) way to start sharing code between the 2 repos with KMM. Our app is quite new so we are using SPM only (no cocoapods) on the iOS side. Adding cocoapods won't be the end of the world but ideally we'd avoid it.. Could someone point me in a direction or any kind of reading materials describing our options?

Doe anyone know if there’s an SFTP library I can share between android and iOS? If not is there a way to use cinterop to bring in a c++ library?

Hey ppl, I'm just implementing example from official site, it runs fine in :android: but have issue in iOS, returns, I see the same issue in github, shows already fixed but still here, using :face_holding_back_tears:

val ktorVersion = "2.1.2"

Exception doesn't match @Throws-specified class list and thus isn't propagated from Kotlin to Objective-C/Swift as NSError.

It is considered unexpected and unhandled instead. Program will be terminated.

Uncaught Kotlin exception: kotlin.native.concurrent.InvalidMutabilityException: mutation attempt of frozen io.ktor.client.request.HttpRequestPipeline@1cfa708

Which scope should be used to launch coroutines in kotlin multiplatform project? It's a class that generates some data for being displayed in compose desktop composable. I tryed with this:

fun longJobFunction(): MutableList<BigData>{
    var bigDataList = mutableStateListOf<BigData>()
    CoroutineScope(Dispatchers.Main).launch {
        withContext(<http://Dispatchers.IO|Dispatchers.IO>) {
            //fill bigDataList with big data
            Thread.sleep(5000)
        }
    }    
    return bigDataList
}

But it gives this exception

java.lang.IllegalStateException: Module with the Main dispatcher is missing. Add dependency providing the Main dispatcher, e.g. 'kotlinx-coroutines-android' and ensure it has the same version as 'kotlinx-coroutines-core'

#multiplatform Hello Guys, I am creating multiplatform library for iphone . in build.gradle i have

kotlin {
    android()
  
  
    iosArm64("native") {
        binaries {
            framework {
                baseName = "Demo"
            }
        }
    }

 sourceSets {
        val commonMain by getting {
          
                implementation("de.voize:pytorch-lite-multiplatform:0.5.0")
            
            }
        }
}
 while generating framework I am getting following error
Undefined symbols for architecture arm64:
  "_OBJC_CLASS_$_TorchModule", referenced from:
      objc-class-ref in result.o
  "_OBJC_CLASS_$_Tensor", referenced from:
      objc-class-ref in result.o
  "_OBJC_CLASS_$_IValueWrapper", referenced from:
      objc-class-ref in result.o
ld: symbol(s) not found for architecture arm64
Given library is multiplatform library
Can anybody help?

hi guys, may I have you suggestion on Kotlin multiplatform reliable encryption library? Thanks. I have checked ionspin/kotlin-multiplatform-crypto , and ionspin/kotlin-multiplatform-libsodium. The libs are in experimental. It cannot pass our company’s cyber security review process.

Anyone aware of why it's possible to run a

main

function in code in

jvmMain

in KMP shared code from within Android Studio....but not from IntelliJ?

hey ppl, is there any way to use moshi json api in kmm shared code?

Was there ever an explanation of

kotlin.mpp.androidSourceSetLayoutVersion=2

that doesn't require reading the source 😅

Anybody planning on attending CES from the world of KMM that would care to meet up and swap stories?

has anyone faced this exception before when attempting to run on iOS? https://medium.com/@liwp.stephen/fix-kotlin-native-incorrectdereferenceexception-issue-on-kmm-project-71745c11d9a3 It isn’t clear where this solution should be placed, but the genius who posted this has also encountered the error

Hi guys, i’m converting my existing Android app into KMM and i’m having really hard time configuring gradle. The specific issue i’m hitting now is with adding Firebase Libraries:

val commonMain by getting {
    dependencies {
        // Firebase: Import the BoM for the Firebase platform
        implementation(project.dependencies.platform("com.google.firebase:firebase-bom:31.0.2"))
        // Firebase: Cloud Firestore library BoM doesn't specify versions in Firebase library dependencies
        implementation("com.google.firebase:firebase-firestore-ktx")
        // Firebase: crashlytics
        implementation("com.google.firebase:firebase-crashlytics")

        // Firebase: Authentication
        implementation("com.google.firebase:firebase-auth-ktx")
        // Coroutines support libraries for Kotlin - required by firebase-analytics
        implementation("org.jetbrains.kotlinx:kotlinx-coroutines-play-services:1.6.4")

        // TODO this is platform specific?
        //implementation("com.google.firebase:firebase-analytics-ktx")
    }
}

Error:

:shared:iosArm64Main: Could not resolve org.jetbrains.kotlinx:kotlinx-coroutines-play-services:1.6.4.
Required by:
    project :shared > com.google.firebase:firebase-firestore-ktx:24.4.0 > com.google.firebase:firebase-common-ktx:20.2.0

Possible solution:
 - Declare repository providing the artifact, see the documentation at <https://docs.gradle.org/current/userguide/declaring_repositories.html>

is there a way to apply a gradle plugin to an individual target?

I have an odd crash in release mode only. Following code crashes with bad access 0x0 when accessing the

by lazy

part:

val preferences by lazy { SharedBaseInjector.get().preferences } // Crash in this line

fun something() {
    SharedBaseInjector.get().preferences  // This is fine
    val x = preferences.someValue
    ....
}

In debug mode everything is fine. If I wrap the preferences variable in an object it’s also fine in release mode:

private object Cache {
val preferences by lazy { SharedBaseInjector.get().preferences }
}

fun something() {
    val x = Cache.preferences.someValue
    ....
}

Anyone having a clue what’s going on? The object fixes it for me…but I’d still like to understand what’s going on

This message was deleted.

Hello everyone! I am struggling with the next error for quite some time now:

'pod install' command failed with an exception:
 Cannot run program "pod" (in directory "/Users/markfrelih/AndroidStudioProjects/app-sdk/iosApp"): error=2, No such file or directory
        
        Full command: pod install
        
        Possible reason: CocoaPods is not installed
        Please check that CocoaPods v1.10 or above is installed.
        
        To check CocoaPods version type 'pod --version' in the terminal
        
        To install CocoaPods execute 'sudo gem install cocoapods'

I have searched this channel for similar issues, tried googling it but nothing helps. 🤷 I’ve tried: • Different versions of ruby • Installing cocoapods via brew instead of gem • https://stackoverflow.com/questions/70869813/android-studio-bumblebee-pod-install-command-failed-with-an-exception-error-2/70968187#70968187 The thing is that navigating to

iosApp

folder and running

pod install

manually works as expected. This is the output:

Analyzing dependencies
Downloading dependencies
Generating Pods project
Integrating client project
Pod installation complete! There is 1 dependency from the Podfile and 1 total pod installed.

What is also interesting that I was able to solve it sometimes by running

./gradlew podInstall

manually and then I was able to sync the project. The things is that I can’t figure out why this sometimes works and sometimes doesn’t (at this moment I can’t get it to work at all). 😅 kdoctor only complains about cocoapods-generate, which is not compatible with ruby 3.0.0+ and afaik is not even needed now. I had it working without cocoapods-generate before. I tried for example using ruby 2.7.6 + cocoapods-generate installed, so kdoctor was all green, but I still could not sync the project. My environment: • cocoapods - 1.11.3 • Ruby - 3.0.3 • Android Studio - Dolphin | 2021.3.1 Patch 1 • Xcode - 13.3 • M1 mac • macOS Monterey - 12.2 Any help is greatly appreciated! 🙏

Hello! When I execute

./gradlew publishToMavenLocal

I get this error. What do I need to do to fix it?

What's the latest version of xcode that works with Kotlin Native?

Hi, is there a KMM library like sshj? Want to connect to an ssh server but in a pure Kotlin way...

What could be the cause of IDE warnings like this? The code compiles just fine:

Hi, migrating to 2.2.1 ktor, getting this error.

Module "io.ktor:ktor-io (io.ktor:ktor-io-iosarm64)" has a reference to symbol kotlin.ranges/contains|-4666807430820256279[0]. Neither the module itself nor its dependencies contain such declaration.

build.gradle.kts

plugins {
    kotlin("multiplatform")
    id("com.android.library")
}

kotlin {
    android()
    val frameworkName = "EmtCore"
    val ktorVersion = "2.2.1"
    listOf(
        iosX64(),
        iosArm64(),
        iosSimulatorArm64()
    ).forEach {
        it.binaries.framework {
            baseName = "shared"
        }
    }

    sourceSets {
        val commonMain by getting {
            dependencies {
                implementation("org.jetbrains.kotlin:kotlin-stdlib-common")
                implementation("io.ktor:ktor-client-core:$ktorVersion")
                implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.6.4")
                implementation("io.ktor:ktor-client-json:2.2.1")
                implementation("com.russhwolf:multiplatform-settings:1.0.0-RC")
                implementation("io.ktor:ktor-serialization-kotlinx-json:$ktorVersion")
                implementation("io.ktor:ktor-network-tls:2.2.1")
                implementation("org.jetbrains.kotlinx:kotlinx-serialization-core:1.4.1")
                implementation("com.soywiz.korlibs.klock:klock:3.4.0")
                implementation("io.ktor:ktor-client-logging:2.2.1")
                implementation("com.squareup.sqldelight:runtime:1.5.4")
            }
        }
        val commonTest by getting {
            dependencies {
                implementation(kotlin("test"))
            }
        }
        val androidMain by getting {
            dependencies {
                implementation("org.jetbrains.kotlin:kotlin-stdlib")
                implementation("io.ktor:ktor-client-okhttp:$ktorVersion")
                //implementation("org.jetbrains.kotlinx:kotlinx-coroutines-android:1.3.9")
                implementation("org.jetbrains.kotlinx:kotlinx-serialization-core:1.4.1")
                api("io.ktor:ktor-client-logging-jvm:2.2.1")
                implementation("io.ktor:ktor-client-json-jvm:2.2.1")
                implementation("io.ktor:ktor-client-serialization-jvm:2.2.1")
                implementation("com.squareup.okhttp3:logging-interceptor:4.9.0")
                implementation("com.squareup.sqldelight:android-driver:1.4.3")
            }
        }
        val androidTest by getting
        val iosX64Main by getting
        val iosArm64Main by getting
        val iosSimulatorArm64Main by getting
        val iosMain by creating {
            dependsOn(commonMain)
            iosX64Main.dependsOn(this)
            iosArm64Main.dependsOn(this)
            iosSimulatorArm64Main.dependsOn(this)
            dependencies {
                implementation("io.ktor:ktor-client-darwin:$ktorVersion")
                //implementation ("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.3.9")
                implementation("org.jetbrains.kotlinx:kotlinx-serialization-core:1.4.1")
                //implementation("io.ktor:ktor-client-serialization-iosarm64:1.4.0")
            }
        }
        val iosX64Test by getting
        val iosArm64Test by getting
        val iosSimulatorArm64Test by getting
        val iosTest by creating {
            dependsOn(commonTest)
            iosX64Test.dependsOn(this)
            iosArm64Test.dependsOn(this)
            iosSimulatorArm64Test.dependsOn(this)
        }
    }

    val debugFatFramework by tasks.creating(org.jetbrains.kotlin.gradle.tasks.FatFrameworkTask::class) {
        baseName = frameworkName
        from(
            iosX64().binaries.getFramework("debug")
        )
        destinationDir = buildDir.resolve("fat-framework/debug")
        group = "Universal framework"
        description = "Builds a debug universal (fat) framework"
    }

    val releaseFatFramework by tasks.creating(org.jetbrains.kotlin.gradle.tasks.FatFrameworkTask::class) {
        baseName = frameworkName
        from(
            iosArm64().binaries.getFramework("release")
        )
        destinationDir = buildDir.resolve("fat-framework/release")
        group = "Universal framework"
        description = "Builds a release universal (fat) framework"
    }
}

android {
    namespace = "com.emtcore"
    compileSdk = 33
    defaultConfig {
        minSdk = 21
        targetSdk = 33
    }
}

I am thinking about what to use to perform network requests in KMM, given that the existing clients already have certain configurations and interceptions, and I was wondering if it makes sense having Ktor Client as layer on top of

OkHttp

and

NSUrlSession

with code like:

// Android
public fun newHttpClient(nativeClient: OkHttpClient): HttpClient {
    return HttpClient(OkHttp){
        engine {
            preconfigured = nativeClient
        }
    }
}
// iOS
public fun newHttpClient(nativeSession: NSURLSession): HttpClient {
    return HttpClient(Darwin) {
        engine {
            configureSession { // how to do the same as Android?
            }
        }
    }
}

I was wondering if someone uses this approach, and how does he/she configures the iOS

HttpClient

import kotlinx.datetime.toJavaLocalDate
import kotlinx.datetime.toJavaLocalTime

I am getting unresolved error when I remove these libraries from gradle although they are not related, I tried to invalidate cache and restart but still the same issue.

implementation("com.github.thellmund.Android-Week-View:core:5.2.4")
implementation("com.github.thellmund.Android-Week-View:jsr310:5.2.4")
implementation("com.github.thellmund.Android-Week-View:emoji:5.2.4")
implementation("com.himanshoe:kalendar-endlos:1.0.0")

Hello, I’m having linking issue to Firebase Library. Yesterday, I had this error:

ld: framework not found FirebaseAuth

The solution [Described here] was to set

isStatic = true

:

kotlin {
    android()
    
    listOf(
        iosX64(),
        iosArm64(),
        iosSimulatorArm64()
    ).forEach {
        it.binaries.framework {
            baseName = "shared"
            isStatic = true             <--------- This fixed it
    }
    . . .
}

Everything was working fine. Then it randomly started throwing a new linking error. I was also getting blank screen on iOS, but I resolved it by Erasing the simulator settings Then now i’m getting the following linking issue:

Could not find or use auto-linked framework 'FirebaseAuth'
Could not find or use auto-linked framework 'GoogleUtilities'
Could not find or use auto-linked framework 'FirebaseCore'
Could not find or use auto-linked framework 'GTMSessionFetcher'
Could not find or use auto-linked framework 'FirebaseInstallations'
Could not find or use auto-linked framework 'GoogleAppMeasurement'
Could not find or use auto-linked framework 'GoogleAppMeasurementIdentitySupport'
Could not find or use auto-linked framework 'FirebaseCoreDiagnostics'
Could not find or use auto-linked framework 'GoogleDataTransport'
Could not find or use auto-linked framework 'nanopb'
Could not find or use auto-linked framework 'FirebaseAnalytics'
Could not find or use auto-linked framework 'PromisesObjC'
Undefined symbol: _FIRAuthErrorDomain
Undefined symbol: _OBJC_CLASS_$_FIRUser
Undefined symbol: _OBJC_CLASS_$_FIRMultiFactorSession
Undefined symbol: _OBJC_CLASS_$_FIRPhoneAuthProvider
Undefined symbol: _OBJC_CLASS_$_FIRAuthDataResult
Undefined symbol: _OBJC_CLASS_$_FIRGoogleAuthProvider
Undefined symbol: _OBJC_CLASS_$_FIRMultiFactorInfo
Undefined symbol: _OBJC_CLASS_$_FIREmailAuthProvider
Undefined symbol: _OBJC_CLASS_$_FIRGitHubAuthProvider
Undefined symbol: _OBJC_CLASS_$_FIRFacebookAuthProvider
Undefined symbol: _OBJC_CLASS_$_FIRActionCodeSettings
Undefined symbol: _OBJC_CLASS_$_FIRTwitterAuthProvider
Undefined symbol: _OBJC_CLASS_$_FIRAuth
Undefined symbol: _OBJC_CLASS_$_FIROAuthProvider
Undefined symbol: _OBJC_CLASS_$_FIROptions
Undefined symbol: _OBJC_CLASS_$_FIRActionCodeInfo
Undefined symbol: _OBJC_CLASS_$_FIRAuthTokenResult
Undefined symbol: _OBJC_CLASS_$_FIRApp

My Android app runs fine, but iOS is not working. btw I am following Make your Android application work on iOS – tutorial

Exception when calling Logout method for iOS. Method on the shared repo:

suspend fun doLogout(token: String) {
    val userId = appService.currentUser!!.id
        realm.write {
            var user = query<UserInfo>("_id = $0", userId).first().find()
            if (user != null) {
                user = findLatest(user)!!.also {
                    it.FCMToken.remove(token)
                }
                copyToRealm(user)
            }
    }
    withContext(Dispatchers.Default) {
        appService.currentUser?.logOut()
    }
}

the way that I call on the swiftUI:

func doLogout(){
    repo.doLogout(token: myFCMToken){error in
      
    }
  }

This only crashes on the iOS version, I think its because realm tries to do the logout before doing the delete on realm db. Any idea what I am doing wrong here?

Do the IDE code references between Kotlin and Swift work for anyone who uses AppCode with KMM? For me, objects from the shared Kotlin library in Swift code are red underlined, even the new KMM project template is broken for me.