How to open iOs project in Xcode for Kotlin Multiplatform - KMP / CMP

What is Kotlin Multiplatform?

Kotlin Multiplatform (KMP) is a powerful development framework that allows developers to share code between different platforms, like Android and iOS. It enables writing common business logic, network calls, and data processing code once and using it across multiple platforms. 

With Compose Multiplatform, we can also share the common UI. By combining both Compose Multiplatform and Kotlin Multiplatform, we can build a full app with a shared codebase or a partially shared module.

Typical Project Structure

my-kmp-project/
├── iosApp/
│   ├── iosApp.xcworkspace
│   └── iosApp.xcodeproj
├── shared/
└── build.gradle.kts

Methods to Open an iOS Project in Xcode

Method 1: Direct Finder Method

1. Open Finder
2. Navigate to your project's iosApp folder
3. Double-click the .xcworkspace or .xcodeproj file
4. Xcode will automatically open the project

Method 2: Through Xcode

1. Launch Xcode
2. Click "File" in the top menu
3. Select "Open"
4. Browse to your project's iosApp directory
5. Choose either:
   • iosApp.xcworkspace (recommended for CocoaPods)
   • iosApp.xcodeproj (standard Xcode project)

Method 3: Command Line

# Open directly from terminal in project root folder
open iosApp/iosApp.xcodeproj

Important Considerations

• Always use .xcworkspace if using CocoaPods
• Use .xcodeproj for standard Swift/Objective-C projects
• Ensure you're in the correct project directory

Pro Tips

• Verify Xcode and Kotlin Multiplatform plugin compatibility
• Ensure shared framework is correctly generated
• Check platform-specific configurations in Gradle files

Conclusion

Opening an iOS project in Xcode for a Kotlin Multiplatform project is straightforward. Choose the method that best suits your workflow and development environment.

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