Summary: Methods | Inherited Methods

StringDef

Kotlin |Java

public abstract @interface StringDef
implements Annotation

androidx.annotation.StringDef

---

Denotes that the annotated String element, represents a logical type and that its value should be one of the explicitly named constants.

Example:

  @Retention(SOURCE)
  @StringDef({
     POWER_SERVICE,
     WINDOW_SERVICE,
     LAYOUT_INFLATER_SERVICE
  })
  public @interface ServiceName {}
  public static final String POWER_SERVICE = "power";
  public static final String WINDOW_SERVICE = "window";
  public static final String LAYOUT_INFLATER_SERVICE = "layout_inflater";
  ...
  public abstract Object getSystemService(@ServiceName String name);
 

Summary

Public methods
boolean	open() Whether any other values are allowed.
String[]	value() Defines the allowed constants for this element

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

open

public boolean open ()

Whether any other values are allowed. Normally this is not the case, but this allows you to specify a set of expected constants, which helps code completion in the IDE and documentation generation and so on, but without flagging compilation warnings if other values are specified.

Returns
boolean

value

public String[] value ()

Defines the allowed constants for this element

Returns
String[]