About this Webinar
Now that Kotlin is the preferred language for Android development, using `-keep` rules can be tricky since the Kotlin code strays further from the Java-like template syntax. Kotlin also presents an additional problem: Kotlin-specific features are embedded in metadata stored as annotations to Java classes. This metadata must be kept and adapted appropriately when using reflection or Kotlin-specific features.
- We’ll show how to determine `-keep` rules for Kotlin apps & libraries through various examples with the help of the ProGuard Playground
- We’ll describe how ProGuard (and R8) can process Kotlin metadata to support Kotlin specific features.
- We’ll also clear up any confusion about R8 replacing ProGuard as the new default shrinker for Android and what this means for ProGuard
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