# Print output for @column tags ?> Validators - Android SDK | Android Developers

Most visited


Recently visited


Validators

public final class Validators
extends Object

java.lang.Object
   ↳ android.service.autofill.Validators


Factory for Validator operations.

See SaveInfo.Builder#setValidator(Validator) for examples.

Summary


Public methods

static Validator and(Validator... validators)

Creates a validator that is only valid if all validators are valid.

static Validator not(Validator validator)

Creates a validator that is valid when validator is not, and vice versa.

static Validator or(Validator... validators)

Creates a validator that is valid if any of the validators is valid.

Inherited methods

Public methods


and

public static Validator and (Validator... validators)

Creates a validator that is only valid if all validators are valid.

Used to represent an AND boolean operation in a chain of validators.

Parameters
validators Validator: This value cannot be null.

Returns
Validator This value cannot be null.

Throws
IllegalArgumentException if any element of validators is an instance of a class that is not provided by the Android System.

not

public static Validator not (Validator validator)

Creates a validator that is valid when validator is not, and vice versa.

Used to represent a NOT boolean operation in a chain of validators.

Parameters
validator Validator: This value cannot be null.

Returns
Validator This value cannot be null.

Throws
IllegalArgumentException if validator is an instance of a class that is not provided by the Android System.

or

public static Validator or (Validator... validators)

Creates a validator that is valid if any of the validators is valid.

Used to represent an OR boolean operation in a chain of validators.

Parameters
validators Validator: This value cannot be null.

Returns
Validator This value cannot be null.

Throws
IllegalArgumentException if any element of validators is an instance of a class that is not provided by the Android System.

Browse this site in English?

You requested a page in English, but your language preference for this site is English.

Would you like to change your language preference and browse this site in English? If you want to change your language preference later, use the language menu at the bottom of each page.