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.

builder → Widget Function(FormFieldState<String>): Builds the visual representation using the current field state.
finalinherited
controller → TextEditingController?: An optional external text controller.
final
hashCode → int: The hash code for this object.
no setterinherited
initialValue → String: The starting value of the field.
finalinherited
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.
finalinherited
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 that returns an error string or null.
finalinherited

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