Survey class

Creates a Survey form

Inheritance

Constructors

Survey({Key? key, required List<Question> initialData, Widget builder(BuildContext context, Question question, void update(List<String>))?, String? defaultErrorText, void onNext(List<QuestionResult> questionResults)?})
const

Properties

builder → (Widget Function(BuildContext context, Question question, void update(List<String>))?)
Function that returns a custom widget that is to be rendered as a field, preferably a FormField
final
defaultErrorText → String?
A parameter to configure the default error message to be shown when validation fails.
final
hashCode → int
The hash code for this object.
no setterinherited
initialData → List<Question>
The list of Question objects that dictate the flow and behaviour of the survey
final
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
onNext → (void Function(List<QuestionResult> questionResults)?)
An optional method to call with the questions answered so far.
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

Methods

createElement() → StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() → State<Survey>
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}) → 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