YoutubeUrlValidator class

Inheritance

• Object
• LiteValidator
• YoutubeUrlValidator

Constructors

YoutubeUrlValidator({String? errorText, bool allowEmpty = false})

Properties

allowEmpty → bool

final

errorText → String?

final

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

validate(Object? value, {String? fieldName}) → FutureOr<String?>

This validator type supports asynchronous validation It might come useful e.g. if you need to make some backend validation of the data entered into your form. With this validator you don't have to invent a custom approach to validate anything. Just do all of your asynchronous work inside the validator's body and then return the result. returns Returns an error text if the validation fails. If it returns null then the validation is successful

override

Operators

operator ==(Object other) → bool

The equality operator.

inherited