How to use Kotlin with Proguard

Question

I\'m trying to add Kotlin to my project and I need to use proguard. Which rules should I add to proguard to support Kotlin?

Thank you

Answer 1

-keep class kotlin.** { *; }
-keep class kotlin.Metadata { *; }
-dontwarn kotlin.**
-keepclassmembers class **$WhenMappings {
    ;
}
-keepclassmembers class kotlin.Metadata {
    public ;
}
-assumenosideeffects class kotlin.jvm.internal.Intrinsics {
    static void checkParameterIsNotNull(java.lang.Object, java.lang.String);
}

---

build gradle :

apply plugin: 'com.android.application'
apply plugin: 'kotlin-android'
apply plugin: 'kotlin-android-extensions'

https://kotlinlang.org/docs/tutorials/kotlin-android.html