Implement automated release signing without uploading your KeyStore file to your repository — Releasing an app to an app store like the Google Play Store is a common task that Android developers have to go through. Because you need to verify that you are the owner of the respective app, you need to digitally sign your APK (Android application package) or AAB (Android…

A brief overview of what this status means for the framework — As I mentioned in my report from the Droidcon Berlin 2023, the JetBrains team announced that Kotlin Multiplatform (KMP) would be stable in October 2023. On the first of November, the time had finally come. With this slight delay, they kept their word. While multiple companies like McDonald’s, Netflix, and…

Schema Export Declaration Made Easy — Android Room is the official Object-Relation-Mapping (ORM) solution for using SQL Light databases within your Android app. To ensure that we can track our database schema version over new App updates and also be able to use the auto-migration feature introduced with version 2.4.0, we had to make sure that…

Diving into Voyager’s navigation capabilities for your next Kotlin Multiplatform project — While some of the existing AndroidX libraries already have a port for Compose Multiplatform, the support for navigation is still missing. However, at the time of writing, some community-driven libraries might fill this gap. One of these libraries is Voyager, which claims to be “A pragmatic navigation library for Jetpack…

Easy ViewModel Testing With Kotlinx Coroutine Test And Turbine — When implementing Android apps, following the official architecture recommendations, you probably end up with a ViewModel that has provided a StateFlow of the managed view state to the UI. …

Build a cross-platform iOS and Android app using the Jetpack Compose API with a single codebase — In this article series, we build a fully cross-platform mobile app with Kotlin Multiplatform (KMP) in combination with Compose Multiplatform for iOS. In the previous parts, we built the data and domain layer and prepared our view models and some helper functionalities to use some platform capabilities.

Build a cross-platform iOS and Android app using the Jetpack Compose API with a single codebase — In this article series, we build a fully cross-platform mobile app with Kotlin Multiplatform (KMP) in combination with Compose Multiplatform for iOS. In the previous part, we saw how to set up dependency injection and our database. In this part, we go one step further to the domain layer and…

Build a cross-platform iOS and Android app using the Jetpack Compose API with a single codebase — In this article series, we build a fully cross-platform mobile app with Kotlin Multiplatform (KMP) in combination with Compose Multiplatform for iOS. …

Build a cross-platform iOS and Android app using the Jetpack Compose API with a single codebase — While I love developing mobile apps for Android, it always bothered me that I could only build apps for this single ecosystem using the native Android toolset. To create an additional iOS version of my Android apps while also being able to use the native iOS toolset, I always had…