Flutter
widgets
FormFieldValidator<
T
> typedef
FormFieldValidator
widgets library
Classes
AbsorbPointer
Align
Alignment
AlignmentDirectional
AlignmentGeometry
AlignmentGeometryTween
AlignmentTween
AlignTransition
AlwaysScrollableScrollPhysics
AlwaysStoppedAnimation
Animatable
AnimatedAlign
AnimatedBuilder
AnimatedContainer
AnimatedCrossFade
AnimatedDefaultTextStyle
AnimatedList
AnimatedListState
AnimatedModalBarrier
AnimatedOpacity
AnimatedPadding
AnimatedPhysicalModel
AnimatedPositioned
AnimatedPositionedDirectional
AnimatedSize
AnimatedWidget
AnimatedWidgetBaseState
Animation
AnimationController
AnimationEagerListenerMixin
AnimationLazyListenerMixin
AnimationLocalListenersMixin
AnimationLocalStatusListenersMixin
AnimationMax
AnimationMean
AnimationMin
AnimationWithParentMixin
AspectRatio
AssetBundleImageKey
AssetBundleImageProvider
AssetImage
AsyncSnapshot
AutomaticKeepAlive
AutomaticKeepAliveClientMixin
BackdropFilter
BallisticScrollActivity
Banner
BannerPainter
Baseline
BlockSemantics
Border
BorderDirectional
BorderRadius
BorderRadiusDirectional
BorderRadiusGeometry
BorderRadiusTween
BorderSide
BottomNavigationBarItem
BouncingScrollPhysics
BouncingScrollSimulation
BoxBorder
BoxConstraints
BoxConstraintsTween
BoxDecoration
BoxPainter
BoxScrollView
BoxShadow
BuildContext
Builder
BuildOwner
Canvas
Center
ChangeNotifier
CheckedModeBanner
CircleBorder
ClampingScrollPhysics
ClampingScrollSimulation
ClipOval
ClipPath
ClipRect
ClipRRect
Color
ColorFilter
ColorSwatch
ColorTween
Column
ComponentElement
CompositedTransformFollower
CompositedTransformTarget
CompoundAnimation
ConstrainedBox
Container
Cubic
Curve
CurvedAnimation
Curves
CurveTween
CustomClipper
CustomMultiChildLayout
CustomPaint
CustomPainter
CustomPainterSemantics
CustomScrollView
CustomSingleChildLayout
DecoratedBox
DecoratedBoxTransition
Decoration
DecorationImage
DecorationImagePainter
DecorationTween
DefaultAssetBundle
DefaultTextStyle
DefaultWidgetsLocalizations
Directionality
Dismissible
DragDownDetails
DragEndDetails
Draggable
DragScrollActivity
DragStartDetails
DragTarget
DragUpdateDetails
DrivenScrollActivity
EdgeInsets
EdgeInsetsDirectional
EdgeInsetsGeometry
EdgeInsetsGeometryTween
EdgeInsetsTween
EditableText
EditableTextState
ElasticInCurve
ElasticInOutCurve
ElasticOutCurve
Element
ErrorWidget
ExactAssetImage
ExcludeSemantics
Expanded
FadeInImage
FadeTransition
FileImage
FittedBox
FittedSizes
FixedColumnWidth
FixedExtentMetrics
FixedExtentScrollController
FixedExtentScrollPhysics
FixedScrollMetrics
Flex
FlexColumnWidth
Flexible
FlippedCurve
Flow
FlowDelegate
FlowPaintingContext
FlutterErrorDetails
FlutterLogoDecoration
FocusManager
FocusNode
FocusScope
FocusScopeNode
FontWeight
Form
FormField
FormFieldState
FormState
FractionallySizedBox
FractionalOffset
FractionalOffsetTween
FractionalTranslation
FractionColumnWidth
FutureBuilder
GestureDetector
GestureRecognizerFactory
GestureRecognizerFactoryWithHandlers
GlobalKey
GlobalObjectKey
GlowingOverscrollIndicator
Gradient
GridPaper
GridView
Hero
HeroController
HoldScrollActivity
HSVColor
Icon
IconData
IconTheme
IconThemeData
IdleScrollActivity
IgnorePointer
Image
ImageCache
ImageConfiguration
ImageIcon
ImageInfo
ImageProvider
ImageShader
ImageStream
ImageStreamCompleter
ImplicitlyAnimatedWidget
IndexedStack
InheritedElement
InheritedWidget
InspectorSelection
Interval
IntrinsicColumnWidth
IntrinsicHeight
IntrinsicWidth
IntTween
KeepAlive
KeepAliveHandle
KeepAliveNotification
Key
KeyedSubtree
LabeledGlobalKey
LayerLink
LayoutBuilder
LayoutChangedNotification
LayoutId
LeafRenderObjectElement
LeafRenderObjectWidget
LimitedBox
LinearGradient
ListBody
Listenable
Listener
ListView
ListWheelScrollView
ListWheelViewport
Locale
LocalHistoryEntry
LocalHistoryRoute
Localizations
LocalizationsDelegate
LocalKey
LongPressDraggable
MaskFilter
Matrix4
Matrix4Tween
MatrixUtils
MaxColumnWidth
MediaQuery
MediaQueryData
MemoryImage
MergeSemantics
MetaData
MinColumnWidth
ModalBarrier
ModalRoute
MultiChildLayoutDelegate
MultiChildRenderObjectElement
MultiChildRenderObjectWidget
MultiFrameImageStreamCompleter
NavigationToolbar
Navigator
NavigatorObserver
NavigatorState
NestedScrollView
NestedScrollViewViewport
NetworkImage
NeverScrollableScrollPhysics
Notification
NotificationListener
ObjectKey
Offset
Offstage
OneFrameImageStreamCompleter
Opacity
OrientationBuilder
OverflowBox
Overlay
OverlayEntry
OverlayRoute
OverlayState
OverscrollIndicatorNotification
OverscrollNotification
Padding
PageController
PageMetrics
PageRoute
PageRouteBuilder
PageScrollPhysics
PageStorage
PageStorageBucket
PageStorageKey
PageView
Paint
PaintingBinding
PaintingContext
ParentDataElement
ParentDataWidget
Path
PerformanceOverlay
PhysicalModel
PhysicalShape
Placeholder
PointerCancelEvent
PointerDownEvent
PointerEvent
PointerMoveEvent
PointerUpEvent
PopupRoute
Positioned
PositionedDirectional
PositionedTransition
PreferredSize
PreferredSizeWidget
PrimaryScrollController
ProxyAnimation
ProxyElement
ProxyWidget
RadialGradient
Radius
RawGestureDetector
RawGestureDetectorState
RawImage
RawKeyboardListener
Rect
RectTween
RelativePositionedTransition
RelativeRect
RelativeRectTween
RenderBox
RenderNestedScrollViewViewport
RenderObject
RenderObjectElement
RenderObjectToWidgetAdapter
RenderObjectToWidgetElement
RenderObjectWidget
RenderSliverOverlapAbsorber
RenderSliverOverlapInjector
RepaintBoundary
ReverseAnimation
ReverseTween
RichText
RootRenderObjectElement
RotatedBox
RotationTransition
RoundedRectangleBorder
Route
RouteAware
RouteObserver
RouteSettings
Row
RRect
RSTransform
SafeArea
SawTooth
ScaleEndDetails
ScaleStartDetails
ScaleTransition
ScaleUpdateDetails
Scrollable
ScrollableState
ScrollActivity
ScrollActivityDelegate
ScrollbarPainter
ScrollBehavior
ScrollConfiguration
ScrollContext
ScrollController
ScrollDragController
ScrollEndNotification
ScrollHoldController
ScrollMetrics
ScrollNotification
ScrollPhysics
ScrollPosition
ScrollPositionWithSingleContext
ScrollSpringSimulation
ScrollStartNotification
ScrollUpdateNotification
ScrollView
Semantics
SemanticsDebugger
Shader
ShaderMask
ShapeBorder
ShapeDecoration
ShrinkWrappingViewport
Simulation
SingleChildLayoutDelegate
SingleChildRenderObjectElement
SingleChildRenderObjectWidget
SingleChildScrollView
SingleTickerProviderStateMixin
Size
SizeChangedLayoutNotification
SizeChangedLayoutNotifier
SizedBox
SizedOverflowBox
SizeTransition
SizeTween
SlideTransition
SliverChildBuilderDelegate
SliverChildDelegate
SliverChildListDelegate
SliverFillRemaining
SliverFillViewport
SliverFixedExtentList
SliverGrid
SliverGridDelegate
SliverGridDelegateWithFixedCrossAxisCount
SliverGridDelegateWithMaxCrossAxisExtent
SliverList
SliverMultiBoxAdaptorElement
SliverMultiBoxAdaptorWidget
SliverOverlapAbsorber
SliverOverlapAbsorberHandle
SliverOverlapInjector
SliverPadding
SliverPersistentHeader
SliverPersistentHeaderDelegate
SliverPrototypeExtentList
SliverSafeArea
SliverToBoxAdapter
Stack
StadiumBorder
State
StatefulBuilder
StatefulElement
StatefulWidget
StatelessElement
StatelessWidget
StatusTransitionWidget
StepTween
StreamBuilder
StreamBuilderBase
Table
TableBorder
TableCell
TableColumnWidth
TableRow
TapDownDetails
TapUpDetails
Text
TextBox
TextDecoration
TextEditingController
TextEditingValue
TextInputType
TextPainter
TextPosition
TextRange
TextSelection
TextSelectionControls
TextSelectionDelegate
TextSelectionOverlay
TextSpan
TextStyle
TextStyleTween
Texture
Threshold
TickerFuture
TickerMode
TickerProvider
TickerProviderStateMixin
Title
Tolerance
TrackingScrollController
TrainHoppingAnimation
Transform
TransformProperty
TransitionRoute
Tween
TypeMatcher
UnconstrainedBox
UniqueKey
UniqueWidget
UserScrollNotification
ValueKey
ValueNotifier
Velocity
Viewport
ViewportNotificationMixin
Widget
WidgetInspector
WidgetInspectorService
WidgetsApp
WidgetsBinding
WidgetsBindingObserver
WidgetsFlutterBinding
WidgetsLocalizations
WidgetToRenderBoxAdapter
WillPopScope
Wrap
Constants
kAlwaysCompleteAnimation
kAlwaysDismissedAnimation
Properties
debugHighlightDeprecatedWidgets
debugPrint
debugPrintBuildScope
debugPrintGlobalKeyedWidgetLifecycle
debugPrintRebuildDirtyWidgets
debugPrintScheduleBuildForStacks
debugProfileBuildsEnabled
imageCache
Functions
applyBoxFit
axisDirectionIsReversed
axisDirectionToAxis
createLocalImageConfiguration
debugAssertAllWidgetVarsUnset
debugCheckHasDirectionality
debugCheckHasMediaQuery
debugCheckHasTable
debugChildrenHaveDuplicateKeys
debugDescribeTransform
debugDumpApp
debugDumpLayerTree
debugDumpRenderTree
debugItemsHaveDuplicateKeys
debugPrintStack
debugWidgetBuilderValue
decodeImageFromList
defaultScrollNotificationPredicate
flipAxis
flipAxisDirection
getAxisDirectionFromAxisReverseAndDirectionality
hashList
hashValues
paintBorder
paintImage
paintZigZag
positionDependentBox
precacheImage
runApp
textDirectionToAxisDirection
Enums
AnimationStatus
AppLifecycleState
Axis
AxisDirection
BannerLocation
BlendMode
BlurStyle
BorderStyle
BoxFit
BoxShape
ConnectionState
CrossAxisAlignment
CrossFadeState
DecorationPosition
DiagnosticLevel
DismissDirection
DragAnchor
FadeInImagePhase
FilterQuality
FlexFit
FlutterLogoStyle
FontStyle
GrowthDirection
HitTestBehavior
ImageRepeat
MainAxisAlignment
MainAxisSize
Orientation
Overflow
PaintingStyle
PathFillType
RenderComparison
RoutePopDisposition
SelectionChangedCause
StackFit
StrokeCap
StrokeJoin
TableCellVerticalAlignment
TargetPlatform
TextAffinity
TextAlign
TextBaseline
TextDecorationStyle
TextDirection
TextOverflow
TextSelectionHandleType
TileMode
VertexMode
VerticalDirection
WrapAlignment
WrapCrossAlignment
Typedefs
AnimatedCrossFadeBuilder
AnimatedListItemBuilder
AnimatedListRemovedItemBuilder
AnimationStatusListener
AsyncWidgetBuilder
CreateRectTween
DismissDirectionCallback
DraggableCanceledCallback
DragTargetAccept
DragTargetBuilder
DragTargetLeave
DragTargetWillAccept
ElementVisitor
ErrorWidgetBuilder
FormFieldBuilder
FormFieldSetter
FormFieldValidator
GenerateAppTitle
GestureDragCancelCallback
GestureDragDownCallback
GestureDragEndCallback
GestureDragStartCallback
GestureDragUpdateCallback
GestureLongPressCallback
GestureRecognizerFactoryConstructor
GestureRecognizerFactoryInitializer
GestureScaleEndCallback
GestureScaleStartCallback
GestureScaleUpdateCallback
GestureTapCallback
GestureTapCancelCallback
GestureTapDownCallback
GestureTapUpCallback
ImageListener
IndexedWidgetBuilder
InspectorSelectButtonBuilder
InspectorSelectionChangedCallback
LayoutWidgetBuilder
LocaleResolutionCallback
NestedScrollViewHeaderSliversBuilder
NotificationListenerCallback
OrientationWidgetBuilder
PointerCancelEventListener
PointerDownEventListener
PointerMoveEventListener
PointerUpEventListener
RouteFactory
RoutePageBuilder
RoutePredicate
RouteTransitionsBuilder
ScrollNotificationPredicate
SelectionChangedCallback
SemanticsBuilderCallback
ShaderCallback
StatefulWidgetBuilder
StateSetter
TextSelectionOverlayChanged
TransitionBuilder
TweenConstructor
TweenVisitor
ValueChanged
ValueGetter
ValueSetter
ViewportBuilder
VoidCallback
WidgetBuilder
WillPopCallback
Exceptions
FlutterError
TickerCanceled
FormFieldValidator<
T
> typedef
String
FormFieldValidator
(
T
value
)
Signature for validating a form field.
Used by
FormField.validator
.