Question 1

How do I set up Firebase for DroidconKotlin?

Accepted Answer

You need to create a Firebase project, download the google-services.json file for Android and place it in android/google-services.json, and get GoogleService-Info.plist for iOS into ios/Droidcon/Droidcon/, as specified in the README. This is mandatory for the app to run.

Question 2

Is Compose Multiplatform stable enough for iOS production apps?

Accepted Answer

Yes, this project demonstrates stability by being the first CMP app in the iOS App Store and, as of March 2025, has removed the SwiftUI version entirely, relying solely on CMP. However, early versions had issues, so check compatibility for your Kotlin version.

Question 3

Kotlin Multiplatform vs Flutter: which is better for cross-platform?

Accepted Answer

KMP offers native performance through compiled Kotlin code and shared logic with Compose for UI, while Flutter uses Dart and a custom rendering engine. DroidconKotlin shows KMP's strength in code sharing, but Flutter might be easier for teams familiar with Dart or needing web support.

Question 4

How can I customize this app for a non-event application?

Accepted Answer

Since it's designed for Droidcon events, you'll need to modify the shared KMP modules to remove or adapt event-specific features like schedules. This requires significant changes to both UI and business logic, leveraging Kotlin Multiplatform's flexibility.

Question 5

What are the performance costs of using Kotlin Multiplatform?

Accepted Answer

KMP compiles to native code, so performance is close to native. Shared UI via Compose Multiplatform might introduce slight overhead on iOS compared to SwiftUI, but this app proves it's viable for production with optimizations over time.

Question 6

How to add web support to this Kotlin Multiplatform project?

Accepted Answer

The current setup only targets Android and iOS. To add web, you'd need to extend the KMP modules to include JS targets and potentially use Compose for Web, which isn't covered in this example, requiring additional setup and learning.

DroidconKotlin

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