• Sealed goodies coming in Kotlin 1.5

    Kotlin 1.5 will bring exciting new features, among them improvements to sealed classes and an introduction of sealed interfaces. Let’s take a look at what that will look like!

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  • Thoughts about Event Handling on Android

    In MVVM-like view architectures, view state isn’t enough to communicate from the ViewModel to the View. They have to be supplemented by some kind of events, which come with several challenges you should be aware of.

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  • Effective Class Delegation

    One of the most significant items of the Effective Java book is Item 18: Favor composition over inheritance. Let’s see how Kotlin promotes this with class delegation.

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  • Mastering API Visibility in Kotlin

    When designing a library, minimizing your API surface – the types, methods, properties, and functions you expose to the outside world – is a great idea. This doesn’t apply to just libraries: it’s a consideration you should make for every module in a multi-module project.

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  • Wrap-up 2020

    Let’s send this one off so that we can get started on a better one. The “usual” recap of what I’ve done this year.

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  • Anecdotes about web APIs

    I think any respectable service these days should offer a web API to paying customers, so that power users of the service can integrate it with other services, and have reliable, trustworthy programmatic access to their data. Here are some anecdotes about services and APIs.

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