Architecture

Kotlin Flow tips for ViewModel

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Many months have passed since I last wrote about Kotlin Flow: Domain Model’s StateFlow Sharing. So, let’s take a look at something related to Flow handling in a ViewModel. StateIn shortcut Usually, you want a StateFlow‘s state to survive a configuration change. AndroidX’s default time limit is 5 seconds — but only if it’s subscribed. … Read more

Success & logic error propagation in Kotlin

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In Kotlin, the expected code-flow should not use exceptions. The non-success code flow should be propagated through return type to be well-documented, strictly & statically typed. This post should be a practical guide after you have read Elizarov’s great post on Kotlin and Exceptions. Be aware that this post talks about domain errors, as described … Read more