LocalCaptcha class
This is a fake captcha widget that helps speed up the development of prototype/demo app.
This captcha widget is designed to work locally, with minimum setup, and with basic functions like a real captcha.
This is NOT a real anti-bot solution and is NOT recommended to use in production app.
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- LocalCaptcha
Constructors
-
LocalCaptcha.new({Key? key, required LocalCaptchaController controller, String chars = 'abdefghnryABDEFGHNQRY3468', int length = 5, required double height, required double width, double? fontSize, Color backgroundColor = Colors.white, List<
Color> ? textColors, List<Color> ? noiseColors, bool caseSensitive = false, Duration codeExpireAfter = const Duration(minutes: 10), dynamic onCaptchaGenerated(String)?}) -
const
Properties
- backgroundColor → Color
-
Background color of captcha widget.
final
- caseSensitive → bool
-
Condition for code validation.
final
- chars → String
-
Characters to show in captcha.
final
- codeExpireAfter → Duration
-
Condition for code validation.
final
- controller → LocalCaptchaController
-
The controller for LocalCaptcha.
final
- fontSize → double?
-
Font size of captcha.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- height → double
-
Height of captcha widget, cannot greater than width.
final
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- length → int
-
Length of characters to show in captcha.
final
-
noiseColors
→ List<
Color> ? -
List of colors to use on captcha noise layer.
final
- onCaptchaGenerated → dynamic Function(String)?
-
Value of captcha when it's generated.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
-
textColors
→ List<
Color> ? -
List of colors to use on captcha text layer.
final
- width → double
-
Width of captcha widget, cannot less than height.
final
Methods
-
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createState(
) → State< LocalCaptcha> -
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