TextFormField class

A convenience widget that combines a TextField with form field validation.

Integrates with the parent Form for validation and saving of text input.

Inheritance

Constructors

TextFormField({Key? key, TextEditingController? controller, String? initialValue, String? validator(String?)?, void onSaved(String)?, String? placeholder, TextStyle? style, int? maxLength})
Creates a TextFormField with optional controller and validator.
const

Properties

controller → TextEditingController?
An optional external text controller.
final
hashCode → int
The hash code for this object.
no setterinherited
initialValue → String?
The initial text value when no controller is provided.
final
key → Key?
Controls how one widget replaces another in the tree.
finalinherited
maxLength → int?
The maximum number of characters allowed.
final
onSaved → void Function(String)?
Called when the parent Form is saved with the current text.
final
placeholder → String?
Placeholder text displayed when the field is empty.
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
style → TextStyle?
The text style applied to the input.
final
validator → String? Function(String?)?
An optional validation function for the text content.
final

Methods

createElement() → StatefulElement
Creates the Element for this widget.
inherited
createState() → State<TextFormField>
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