Android developers can build complex apps with annotations scattered throughout, such as @Provides from Dagger or @ColorRes from AndroidX, without fully understanding how they work; they can almost…

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This post explains how Kotlin annotations work and explores the three main mechanisms that handle annotations: annotation processing, reflection, and lint. It provides insights into the use of annotations in Android development and their role in reducing boilerplate code and automating common tasks. The post also highlights the trade-offs between reflection and annotation processing, as well as the role of annotations in lint checks.

How Kotlin Annotations Work