Summary: Methods | Inherited Methods

RequiresFeature

public abstract @interface RequiresFeature
implements Annotation

androidx.annotation.RequiresFeature

---

Denotes that the annotated element requires one or more features. This is used to auto-generate documentation, and more importantly: to ensure correct usage in application code, where lint and Android Studio can check that calls marked with this annotation is surrounded by has-feature calls, referenced via the enforcement() attribute.

Summary

Public methods
String	enforcement() Defines the name of the method that should be called to check whether the feature is available, using the same signature format as javadoc.
String	name() The name of the feature that is required.

Inherited methods
From interface java.lang.annotation.Annotation abstract Class<? extends Annotation> annotationType() abstract boolean equals(Object arg0) abstract int hashCode() abstract String toString()

Public methods

enforcement

public String enforcement ()

Defines the name of the method that should be called to check whether the feature is available, using the same signature format as javadoc. The feature checking method can have multiple parameters, but the feature name parameter must be of type String and must also be the first String-type parameter.

Returns
String

name

public String name ()

The name of the feature that is required.

Returns
String

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