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Nullable

@Target([AnnotationTarget.FUNCTION, AnnotationTarget.PROPERTY_GETTER, AnnotationTarget.PROPERTY_SETTER, AnnotationTarget.VALUE_PARAMETER, AnnotationTarget.FIELD, AnnotationTarget.LOCAL_VARIABLE, AnnotationTarget.ANNOTATION_CLASS]) class Nullable
androidx.annotation.Nullable

Denotes that a parameter, field or method return value can be null.

When decorating a method call parameter, this denotes that the parameter can legitimately be null and the method will gracefully deal with it. Typically used on optional parameters.

When decorating a method, this denotes the method might legitimately return null.

This is a marker annotation and it has no specific attributes.

Summary

Public constructors

Denotes that a parameter, field or method return value can be null.

Public constructors

<init>

Nullable()

Denotes that a parameter, field or method return value can be null.

When decorating a method call parameter, this denotes that the parameter can legitimately be null and the method will gracefully deal with it. Typically used on optional parameters.

When decorating a method, this denotes the method might legitimately return null.

This is a marker annotation and it has no specific attributes.