• android
    @Retention(value = AnnotationRetention.BINARY)
    @Target(allowedTargets = [AnnotationTarget.CLASS, AnnotationTarget.PROPERTY, AnnotationTarget.LOCAL_VARIABLE, AnnotationTarget.VALUE_PARAMETER, AnnotationTarget.CONSTRUCTOR, AnnotationTarget.FUNCTION, AnnotationTarget.PROPERTY_GETTER, AnnotationTarget.PROPERTY_SETTER, AnnotationTarget.FILE, AnnotationTarget.TYPEALIAS])
    @Target(value = [ElementType.CONSTRUCTOR, ElementType.FIELD, ElementType.LOCAL_VARIABLE, ElementType.METHOD, ElementType.PACKAGE, ElementType.TYPE])
    annotation OptIn

Allows use of an opt-in API denoted by the given markers in the annotated file, declaration, or expression. If a declaration is annotated with OptIn, its usages are not required to opt-in to that API.

Summary

Public constructors
OptIn(vararg markerClass: KClass<Annotation>)
android

Public properties
Array<KClass<Annotation>>

Defines the opt-in API(s) whose usage this annotation allows.
android

Public constructors

OptIn

android 
OptIn(vararg markerClass: KClass<Annotation>)

Public properties

markerClass

android 
val markerClass: Array<KClass<Annotation>>

Defines the opt-in API(s) whose usage this annotation allows.