kotlin-multiplatform Questions

Cannot build just created KMM project in Android Studio due to UnitSuspendFunctionObjCExport

January 11, 2025
user3385013
2 Answers

I've installed Kotlin Multiplatform plugin v. 0.8.3(242)-5 in Android Studio Lady Bug. Than I've created Multiplatform project and tried to build it and got following output: org.jetbrains.kotlin.backend.konan.UnitSuspendFunctionObjCExport PluginClassLoader(plugin=PluginDescriptor(name=Kotlin Multiplatform, id=com.jetbrains.kmm, descriptorPath=plugin.xml, path=~/Library/Application Support/Google/AndroidStudio2024.2/plugins/kmm.jar, version=0.8.3(242)-5, package=null, isBundled=false), packagePrefix=null, state=active, parents=PluginDescriptor(name=Kotlin, id=org.jetbrains.kotlin,…

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Firebase – observeAsState or collectAsState in Kotlin MultiPlatform application

December 3, 2024
Cipri
2 Answers

What I should use for live refresh data on my KMM application with Firestore DB? Use ObserveAsState with: userViewModel.userInfo.observeAsState(null).apply { // view or edit document here } with userInfo LiveData: val userInfo: LiveData<UserInfo?> = liveData { try { emitSource(repo.getUserProfile().flowOn(Dispatchers.IO).asLiveData(Dispatchers.Main)) }catch…

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Ios swift – Upload PDF from shared local storage in iOS (Drive, OneDrive, Dropbox..) to server with Ktor Fails

November 19, 2024
Kaouther Mefteh
2 Answers

I am developing a feature for my app where user can upload a PDF from shared storage in device (Drive, onDrive, Dropbox,..) I am using Kotlin Multiplatform 2.0.20 This is the code i am using to upload the PDF for…

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Android Studio – Kotlin Multiplatform – what is replacement for product flavours?

October 20, 2024
Remzo
2 Answers

I need help understanding how to create different application versions in the Kotlin Multiplatform project using the common codebase. In a 'classic' Android project I would create productFlavours e.g. applicationA and applicationB, appropriate sourceSet directories, and then put product-flavour-specific files…

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Facing issue while trying to read collection from firestore using Firebase Kotlin SDK

September 25, 2024
user320676
2 Answers

I am facing ClassNotFoundException while reading collection. I have added all the needed dependencies in gradle file. I did the sign in process with custom token. Exception I am getting is mentioned below - Caused by: java.lang.ClassNotFoundException: Didn't find class…

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KMM: composeApp:embedAndSignAppleFrameworkForXcode doesn't get updated

September 17, 2024
Jakub Kostka
2 Answers

I've struggled for a quite some time embedding the composeApp module into the iOS build when building from XCode. I've managed to get it working on a simulator for no apparent reason - either restart of something or I started…

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Xcode – Build failed in KMM project in iOS simulator

July 23, 2024
Andrea Liureta
2 Answers

Working in Kotlin Multiplatform project with Cocoapods dependency. These are the build output log Ld /Users/andrea/Folders/KMP/ComposeWeather/build/ios/Debug-iphonesimulator/ComposeWeather.app/ComposeWeather normal (in target 'iosApp' from project 'iosApp') cd /Users/andrea/Folders/KMP/ComposeWeather/iosApp /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -Xlinker -reproducible -target x86_64-apple-ios14.1-simulator -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator17.2.sdk -O0 -L/Users/andrea/Folders/KMP/ComposeWeather/build/ios/EagerLinkingTBDs/Debug-iphonesimulator -L/Users/andrea/Folders/KMP/ComposeWeather/build/ios/Debug-iphonesimulator -F/Users/andrea/Folders/KMP/ComposeWeather/build/ios/EagerLinkingTBDs/Debug-iphonesimulator -F/Users/andrea/Folders/KMP/ComposeWeather/build/ios/Debug-iphonesimulator -F/Users/andrea/Folders/KMP/ComposeWeather/iosApp/../shared/build/xcode-frameworks/Debug/iphonesimulator17.2 -F/Users/andrea/Folders/KMP/ComposeWeather/iosApp/../composeApp/build/xcode-frameworks/Debug/iphonesimulator17.2 -filelist…

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How to set gradle.property from XCode target with CocoaPods?

June 3, 2024
MrKew
2 Answers

I used to use the following script build phase to set buildkonfig.flavor property on kotlin version 1.19.20 and it worked fine: cd "$SRCROOT/.." && ./gradlew :shared:embedAndSignAppleFrameworkForXcode -P buildkonfig.flavor=prod But since updating to kotlin to version 2.0.0, it does not compile…

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Android Studio – KMM project build error – 'testClasses' not found in project ':shared'

April 17, 2024
Vikram Ragu
2 Answers

I'm trying out KMM for the first time and when I try to rebuild the project, I get this error. Not sure what this task does. Am I the only one getting this error? I'm using a Macbook Pro M1…

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Can we use java/kotlin in flutter instead of dart?

March 26, 2024
Owais Yosuf
2 Answers

I want to use java/kotlin in flutter instead of dart programming language. Java/kotlin has many functionalities which dart is lacking. But flutter is good in UI UX. So I want to use flutter with dart, but java/kotlin also for back-end…

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