Form class

A container for form fields that manages validation and submission.

Wrap FormField widgets in a Form to enable collective validation, reset, and submission handling via onSubmitted.

Inheritance

Constructors

Form({Key? key, required Widget child, VoidCallback? onSubmitted, bool autovalidate = false})
Creates a Form that wraps child and manages its fields.
const

Properties

autovalidate bool
Whether to automatically validate fields on every change.
final
child Widget
The widget tree containing FormField widgets to manage.
final
hashCode int
The hash code for this object.
no setterinherited
key Key?
Controls how one widget replaces another in the tree.
finalinherited
onSubmitted VoidCallback?
Called when the form is submitted and all fields are valid.
final
runtimeType Type
A representation of the runtime type of the object.
no setterinherited

Methods

createElement() StatefulElement
Creates the Element for this widget.
inherited
createState() State<Form>
Creates the mutable state for this widget.
override
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toString() String
A string representation of this object.
inherited

Operators

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