Kotlin Multiplatform

by ComputingNotes
Kotlin, Kotlin Multiplatform, Mobile App Development

https://kotlinlang.org/docs/multiplatform-get-started.html

https://www.jetbrains.com/help/kotlin-multiplatform-dev/multiplatform-create-first-app.html

Set up Environment:

https://www.jetbrains.com/help/kotlin-multiplatform-dev/multiplatform-setup.html?_gl=1%2A1rp5et3%2A_ga%2AMTIxMDY0OTczOC4xNzI4MzIzNTE0%2A_ga_9J976DJZ68%2AMTcyODMyMzUxNC4xLjAuMTcyODMyMzY2My41MS4wLjA.%2A_gcl_au%2AMTcwNTk2OTcyMy4xNzI4MzIzNTIz

Check Environment:

  • brew install kdoctor
  • kdoctor

Install brew if necessary, brew.sh

There could be various issues:

Environment diagnose (to see all details, use -v option):
[✓] Operation System
[✖] Java
  ✖ Java not found
    Get JDK from https://www.oracle.com/java/technologies/javase-downloads.html
[!] Android Studio
  ! Android Studio (AI-233.14808.21.2331.11842104)
    Location: /Applications/Android Studio.app
    Bundled Java: openjdk 17.0.10 2024-01-16
    Kotlin Plugin: 233.14808.21.2331.11842104-AS
    Kotlin Multiplatform Mobile Plugin: not installed
    Install Kotlin Multiplatform Mobile plugin - https://plugins.jetbrains.com/plugin/14936-kotlin-multiplatform-mobile
[✖] Xcode
  ✖ Xcode requires to perform the First Launch tasks
    Launch Xcode and complete setup
[!] CocoaPods
  ! CocoaPods configuration is not required, but highly recommended for full-fledged development
  ✖ cocoapods not found
    Get cocoapods from https://guides.cocoapods.org/using/getting-started.html#installation

Conclusion:
  ✖ KDoctor has diagnosed one or more problems while checking your environment.
    Please check the output for problem description and possible solutions.

Solutions:

1. Java Not Found

Problem: The Java Development Kit (JDK) is missing.

Solution: Install the JDK by downloading it from the official Oracle website or via Homebrew:

For macOS, you can also use Homebrew:

brew install openjdk@11

2. Android Studio

Problem: Kotlin Multiplatform Mobile Plugin is not installed.

Solution: Install the Kotlin Multiplatform Mobile plugin.

  • In Android Studio, go to Preferences > Plugins, search for “Kotlin Multiplatform Mobile,” and install it.

3. Xcode First Launch Setup

Problem: Xcode needs to complete First Launch tasks.

Solution: Open Xcode and allow it to perform its first-time setup. You can launch Xcode with this command:

open /Applications/Xcode.app

4. CocoaPods Not Found

Problem: CocoaPods is not installed.

Solution: Install CocoaPods using the following command:

sudo gem install cocoapods

After installation, verify it by running:

pod --version

Final Steps

After performing these steps, rerun kdoctor to ensure everything is set up correctly:

kdoctor

error: