FormFieldItem<T> class abstract

Base for create form item

Inheritance
Implementers

Constructors

FormFieldItem({Key? key, required ValueChanged<T>? onChanged, required ValueChanged<T>? onSaved, bool isActive = true, required bool isRequired, String? requiredText, bool isDisabled = false, bool isValid = true})
Base for create form field

Properties

focusNode → FocusNode
final
hasChanges → bool
no setter
hashCode → int
The hash code for this object.
no setterinherited
hasListeners → bool
Whether any listeners are currently registered.
no setterinherited
isActive ↔ bool
getter/setter pairinherited
isDisabled → bool
no setter
isRequired → bool
final
isValid ↔ bool
getter/setter pair
key → Key?
final
margin → EdgeInsets?
finalinherited
onChanged ↔ ValueChanged<T>?
getter/setter pair
onSaved ↔ ValueChanged<T>?
getter/setter pair
requiredText → String?
Custom required text, by default FormThemeData.requiredText
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

Methods

addListener(VoidCallback listener) → void
Register a closure to be called when the object changes.
inherited
build(BuildContext context) → Widget
inherited
dispose() → void
Discards any resources used by the object. After this is called, the object is not in a usable state and should be discarded (calls to addListener will throw after the object is disposed).
inherited
disposeWidget() → void
override
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
notifyListeners() → void
Call all the registered listeners.
inherited
removeListener(VoidCallback listener) → void
Remove a previously registered closure from the list of closures that are notified when the object changes.
inherited
setDisabled(bool value) → void
setHasChanged(bool value) → void
toString() → String
A string representation of this object.
inherited

Operators

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