CaptchaFormField class

A widget that provides a CAPTCHA form field for user input.

This widget generates a CAPTCHA string for validation and includes options for customization such as label text, input decoration, and validation logic.

Inheritance

Constructors

CaptchaFormField({Key? key, int captchaLength = 6, String? labelText = 'CAPTCHA', InputDecoration? inputDecoration, dynamic onChanged(String)?, String? validator(String? input, String generatedCaptcha)?, Color? captchaBackground, TextStyle? captchaTextStyle, CaptchaComplexity complexity = CaptchaComplexity.medium})
Creates a CAPTCHA form field.
const

Properties

captchaBackground → Color?
The background color of the CAPTCHA text.
final
captchaLength → int
The length of the generated CAPTCHA.
final
captchaTextStyle → TextStyle?
The text style of the CAPTCHA.
final
complexity → CaptchaComplexity
The complexity level of the CAPTCHA (e.g., Simple, Medium, Complex).
final
hashCode → int
The hash code for this object.
no setterinherited
inputDecoration → InputDecoration?
Custom decoration for the input field.
final
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
labelText → String?
The label text displayed above the input field.
final
onChanged → dynamic Function(String)?
A callback triggered when the input value changes.
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
validator → String? Function(String? input, String generatedCaptcha)?
A validator function to check the input against the generated CAPTCHA.
final

Methods

createElement() → StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() → State<CaptchaFormField>
Creates the mutable state for this widget at a given location in the tree.
override
debugDescribeChildren() → List<DiagnosticsNode>
Returns a list of DiagnosticsNode objects describing this node's children.
inherited
debugFillProperties(DiagnosticPropertiesBuilder properties) → void
Add additional properties associated with the node.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toDiagnosticsNode({String? name, DiagnosticsTreeStyle? style}) → DiagnosticsNode
Returns a debug representation of the object that is used by debugging tools and by DiagnosticsNode.toStringDeep.
inherited
toString({DiagnosticLevel minLevel = DiagnosticLevel.info}) → String
A string representation of this object.
inherited
toStringDeep({String prefixLineOne = '', String? prefixOtherLines, DiagnosticLevel minLevel = DiagnosticLevel.debug, int wrapWidth = 65}) → String
Returns a string representation of this node and its descendants.
inherited
toStringShallow({String joiner = ', ', DiagnosticLevel minLevel = DiagnosticLevel.debug}) → String
Returns a one-line detailed description of the object.
inherited
toStringShort() → String
A short, textual description of this widget.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited