# Flutter之material库 ``` CLASSES AboutDialog AboutListTile AbsorbPointer ActionChip AlertDialog Align Alignment AlignmentDirectional AlignmentGeometry AlignmentGeometryTween AlignmentTween AlignTransition AlwaysScrollableScrollPhysics AlwaysStoppedAnimation AndroidView Animatable AnimatedAlign AnimatedBuilder AnimatedContainer AnimatedCrossFade AnimatedDefaultTextStyle AnimatedIcon AnimatedIconData AnimatedIcons AnimatedList AnimatedListState AnimatedModalBarrier AnimatedOpacity AnimatedPadding AnimatedPhysicalModel AnimatedPositioned AnimatedPositionedDirectional AnimatedSize AnimatedSwitcher AnimatedTheme AnimatedWidget AnimatedWidgetBaseState Animation AnimationController AnimationMax AnimationMean AnimationMin AnnotatedRegion AppBar AspectRatio AssetBundleImageKey AssetBundleImageProvider AssetImage AsyncSnapshot AutomaticKeepAlive BackButton BackButtonIcon BackdropFilter BallisticScrollActivity Banner BannerPainter Baseline BeveledRectangleBorder BlockSemantics Border BorderDirectional BorderRadius BorderRadiusDirectional BorderRadiusGeometry BorderRadiusTween BorderSide BorderTween BottomAppBar BottomNavigationBar BottomNavigationBarItem BottomSheet BouncingScrollPhysics BouncingScrollSimulation BoxBorder BoxConstraints BoxConstraintsTween BoxDecoration BoxPainter BoxScrollView BoxShadow BuildContext Builder BuildOwner ButtonBar ButtonTheme ButtonThemeData Canvas Card Center ChangeNotifier Checkbox CheckboxListTile CheckedModeBanner CheckedPopupMenuItem Chip ChipAttributes ChipTheme ChipThemeData ChoiceChip CircleAvatar CircleBorder CircularNotchedRectangle CircularProgressIndicator ClampingScrollPhysics ClampingScrollSimulation ClipContext ClipOval ClipPath ClipRect ClipRRect CloseButton Color ColorFilter Colors ColorScheme ColorSwatch ColorTween Column ComponentElement CompositedTransformFollower CompositedTransformTarget CompoundAnimation ConstantTween ConstrainedBox Container Cubic CupertinoPageTransitionsBuilder Curve CurvedAnimation Curves CurveTween CustomClipper CustomMultiChildLayout CustomPaint CustomPainter CustomPainterSemantics CustomScrollView CustomSingleChildLayout DataCell DataColumn DataRow DataTable DataTableSource DayPicker DecoratedBox DecoratedBoxTransition Decoration DecorationImage DecorationImagePainter DecorationTween DefaultAssetBundle DefaultMaterialLocalizations DefaultTabController DefaultTextStyle DefaultTextStyleTransition DefaultWidgetsLocalizations DeletableChipAttributes Dialog DialogTheme Directionality DisabledChipAttributes Dismissible Divider DragDownDetails DragEndDetails Draggable DraggableDetails DragScrollActivity DragStartDetails DragTarget DragUpdateDetails Drawer DrawerController DrawerControllerState DrawerHeader DrivenScrollActivity DropdownButton DropdownButtonFormField DropdownButtonHideUnderline DropdownMenuItem EdgeInsets EdgeInsetsDirectional EdgeInsetsGeometry EdgeInsetsGeometryTween EdgeInsetsTween EditableText EditableTextState ElasticInCurve ElasticInOutCurve ElasticOutCurve Element ErrorWidget ExactAssetImage ExcludeSemantics Expanded ExpandIcon ExpansionPanel ExpansionPanelList ExpansionPanelRadio ExpansionTile FadeInImage FadeTransition FadeUpwardsPageTransitionsBuilder Feedback FileImage FilterChip FittedBox FittedSizes FixedColumnWidth FixedExtentMetrics FixedExtentScrollController FixedExtentScrollPhysics FixedScrollMetrics FlatButton Flex FlexColumnWidth Flexible FlexibleSpaceBar FlexibleSpaceBarSettings FlippedCurve FloatingActionButton FloatingActionButtonAnimator FloatingActionButtonLocation Flow FlowDelegate FlowPaintingContext FlutterErrorDetails FlutterLogo FlutterLogoDecoration FocusManager FocusNode FocusScope FocusScopeNode FontWeight Form FormField FormFieldState FormState FractionallySizedBox FractionalOffset FractionalOffsetTween FractionalTranslation FractionColumnWidth FutureBuilder GestureDetector GestureRecognizerFactory GestureRecognizerFactoryWithHandlers GlobalKey GlobalObjectKey GlowingOverscrollIndicator Gradient GridPaper GridTile GridTileBar GridView Hero HeroController HoldScrollActivity HSLColor HSVColor Icon IconButton IconData Icons IconTheme IconThemeData IdleScrollActivity IgnorePointer Image ImageCache ImageConfiguration ImageIcon ImageInfo ImageProvider ImageShader ImageStream ImageStreamCompleter ImplicitlyAnimatedWidget ImplicitlyAnimatedWidgetState IndexedSemantics IndexedStack InheritedElement InheritedModel InheritedModelElement InheritedNotifier InheritedWidget Ink InkDecoration InkFeature InkHighlight InkResponse InkRipple InkSplash InkWell InputBorder InputChip InputDecoration InputDecorationTheme InputDecorator InspectorSelection InteractiveInkFeature InteractiveInkFeatureFactory Interval IntrinsicColumnWidth IntrinsicHeight IntrinsicWidth IntTween KeepAlive KeepAliveHandle KeepAliveNotification Key KeyedSubtree LabeledGlobalKey LayerLink LayoutBuilder LayoutChangedNotification LayoutId LeafRenderObjectElement LeafRenderObjectWidget LicensePage LimitedBox LinearGradient LinearProgressIndicator ListBody Listenable Listener ListTile ListTileTheme ListView ListWheelChildBuilderDelegate ListWheelChildDelegate ListWheelChildListDelegate ListWheelChildLoopingListDelegate ListWheelElement ListWheelScrollView ListWheelViewport Locale LocalHistoryEntry Localizations LocalizationsDelegate LocalKey LongPressDraggable MaskFilter Material MaterialAccentColor MaterialApp MaterialButton MaterialColor MaterialGap MaterialInkController MaterialLocalizations MaterialPageRoute MaterialPointArcTween MaterialRectArcTween MaterialRectCenterArcTween MaterialSlice Matrix4 Matrix4Tween MatrixUtils MaxColumnWidth MediaQuery MediaQueryData MemoryImage MergeableMaterial MergeableMaterialItem MergeSemantics MetaData MinColumnWidth ModalBarrier ModalRoute MonthPicker MultiChildLayoutDelegate MultiChildRenderObjectElement MultiChildRenderObjectWidget MultiFrameImageStreamCompleter NavigationToolbar Navigator NavigatorObserver NavigatorState NestedScrollView NestedScrollViewViewport NetworkImage NeverScrollableScrollPhysics NotchedShape Notification NotificationListener ObjectKey Offset Offstage OneFrameImageStreamCompleter Opacity OpenUpwardsPageTransitionsBuilder OrientationBuilder OutlineButton OutlineInputBorder OverflowBox Overlay OverlayEntry OverlayRoute OverlayState OverscrollIndicatorNotification OverscrollNotification Padding PaddleSliderValueIndicatorShape PageController PageMetrics PageRoute PageRouteBuilder PageScrollPhysics PageStorage PageStorageBucket PageStorageKey PageTransitionsBuilder PageTransitionsTheme PageView PaginatedDataTable PaginatedDataTableState Paint PaintingContext ParentDataElement ParentDataWidget Path PerformanceOverlay PersistentBottomSheetController PhysicalModel PhysicalShape Placeholder PointerCancelEvent PointerDownEvent PointerEvent PointerMoveEvent PointerUpEvent PopupMenuButton PopupMenuDivider PopupMenuEntry PopupMenuItem PopupMenuItemState PopupRoute Positioned PositionedDirectional PositionedTransition PreferredSize PreferredSizeWidget PrimaryScrollController ProgressIndicator ProxyAnimation ProxyElement ProxyWidget RadialGradient Radio RadioListTile Radius RaisedButton RawChip RawGestureDetector RawGestureDetectorState RawImage RawKeyboardListener RawKeyEvent RawMaterialButton Rect RectTween RefreshIndicator RefreshIndicatorState RefreshProgressIndicator RelativePositionedTransition RelativeRect RelativeRectTween RenderBox RenderNestedScrollViewViewport RenderObject RenderObjectElement RenderObjectToWidgetAdapter RenderObjectToWidgetElement RenderObjectWidget RenderSliverOverlapAbsorber RenderSliverOverlapInjector RenderToggleable ReorderableListView RepaintBoundary ReverseAnimation ReverseTween RichText RootRenderObjectElement RotatedBox RotationTransition RoundedRectangleBorder RoundSliderThumbShape Route RouteAware RouteObserver RouteSettings Row RRect RSTransform SafeArea SawTooth Scaffold ScaffoldFeatureController ScaffoldGeometry ScaffoldPrelayoutGeometry ScaffoldState ScaleEndDetails ScaleStartDetails ScaleTransition ScaleUpdateDetails Scrollable ScrollableState ScrollActivity ScrollActivityDelegate Scrollbar ScrollbarPainter ScrollBehavior ScrollConfiguration ScrollContext ScrollController ScrollDragController ScrollEndNotification ScrollHoldController ScrollMetrics ScrollNotification ScrollPhysics ScrollPosition ScrollPositionWithSingleContext ScrollSpringSimulation ScrollStartNotification ScrollUpdateNotification ScrollView SearchDelegate SelectableChipAttributes Semantics SemanticsDebugger Shader ShaderMask Shadow ShapeBorder ShapeBorderClipper ShapeBorderTween ShapeDecoration ShrinkWrappingViewport SimpleDialog SimpleDialogOption Simulation SingleChildLayoutDelegate SingleChildRenderObjectElement SingleChildRenderObjectWidget SingleChildScrollView Size SizeChangedLayoutNotification SizeChangedLayoutNotifier SizedBox SizedOverflowBox SizeTransition SizeTween Slider SliderComponentShape SliderTheme SliderThemeData SlideTransition SliverAppBar SliverChildBuilderDelegate SliverChildDelegate SliverChildListDelegate SliverFillRemaining SliverFillViewport SliverFixedExtentList SliverGrid SliverGridDelegate SliverGridDelegateWithFixedCrossAxisCount SliverGridDelegateWithMaxCrossAxisExtent SliverList SliverMultiBoxAdaptorElement SliverMultiBoxAdaptorWidget SliverOverlapAbsorber SliverOverlapAbsorberHandle SliverOverlapInjector SliverPadding SliverPersistentHeader SliverPersistentHeaderDelegate SliverPrototypeExtentList SliverSafeArea SliverToBoxAdapter SliverWithKeepAliveWidget SnackBar SnackBarAction Spacer Stack StadiumBorder State StatefulBuilder StatefulElement StatefulWidget StatelessElement StatelessWidget StatusTransitionWidget Step Stepper StepTween StreamBuilder StreamBuilderBase SweepGradient Switch SwitchListTile Tab TabBar TabBarTheme TabBarView TabController Table TableBorder TableCell TableColumnWidth TableRow TableRowInkWell TabPageSelector TabPageSelectorIndicator TapDownDetails TappableChipAttributes TapUpDetails Text TextBox TextDecoration TextEditingController TextEditingValue TextField TextFormField TextInputType TextPainter TextPosition TextRange TextSelection TextSelectionControls TextSelectionDelegate TextSelectionOverlay TextSpan TextStyle TextStyleTween TextTheme Texture Theme ThemeData ThemeDataTween Threshold TickerFuture TickerMode TickerProvider TimeOfDay Title Tolerance Tooltip TrackingScrollController TrainHoppingAnimation Transform TransformProperty TransitionRoute Tween TweenSequence TweenSequenceItem TwoLevelList TwoLevelListItem TwoLevelSublist TypeMatcher Typography UiKitView UnconstrainedBox UnderlineInputBorder UnderlineTabIndicator UniqueKey UniqueWidget UserAccountsDrawerHeader UserScrollNotification ValueKey ValueListenableBuilder ValueNotifier Velocity VerticalDivider Viewport Visibility Widget WidgetInspector WidgetsApp WidgetsBindingObserver WidgetsFlutterBinding WidgetsLocalizations WidgetToRenderBoxAdapter WillPopScope Wrap YearPicker MIXINS AnimationEagerListenerMixin AnimationLazyListenerMixin AnimationLocalListenersMixin AnimationLocalStatusListenersMixin AnimationWithParentMixin AutomaticKeepAliveClientMixin LocalHistoryRoute MaterialButtonWithIconMixin PaintingBinding SingleTickerProviderStateMixin TickerProviderStateMixin ViewportNotificationMixin WidgetInspectorService WidgetsBinding CONSTANTS immutable kAlwaysCompleteAnimation kAlwaysDismissedAnimation kBottomNavigationBarHeight kElevationToShadow kFloatingActionButtonMargin kFloatingActionButtonSegue kFloatingActionButtonTurnInterval kMaterialListPadding kRadialReactionAlpha kRadialReactionDuration kRadialReactionRadius kTabLabelPadding kTabScrollDuration kTextTabBarHeight kThemeAnimationDuration kThemeChangeDuration kToolbarHeight mustCallSuper optionalTypeArgs protected required visibleForTesting PROPERTIES debugDisableShadows debugHighlightDeprecatedWidgets debugOnRebuildDirtyWidget debugPrint debugPrintBuildScope debugPrintGlobalKeyedWidgetLifecycle debugPrintRebuildDirtyWidgets debugPrintScheduleBuildForStacks debugProfileBuildsEnabled imageCache kListTileExtent kMaterialEdges materialTextSelectionControls FUNCTIONS applyBoxFit axisDirectionIsReversed axisDirectionToAxis createLocalImageConfiguration debugAssertAllPaintingVarsUnset debugAssertAllWidgetVarsUnset debugCheckHasDirectionality debugCheckHasMaterial debugCheckHasMaterialLocalizations debugCheckHasMediaQuery debugCheckHasTable debugChildrenHaveDuplicateKeys debugDescribeTransform debugDumpApp debugDumpLayerTree debugDumpRenderTree debugItemsHaveDuplicateKeys debugPrintStack debugWidgetBuilderValue decodeImageFromList defaultScrollNotificationPredicate flipAxis flipAxisDirection getAxisDirectionFromAxisReverseAndDirectionality hashList hashValues hourFormat paintBorder paintImage paintZigZag positionDependentBox precacheImage runApp showAboutDialog showBottomSheet showDatePicker showDialog showGeneralDialog showLicensePage showMenu showModalBottomSheet showSearch showTimePicker textDirectionToAxisDirection ENUMS AnimationBehavior AnimationStatus AppLifecycleState Axis AxisDirection BannerLocation BlendMode BlurStyle BorderStyle BottomNavigationBarType BoxFit BoxShape Brightness ButtonBarLayoutBehavior ButtonTextTheme Clip CollapseMode ConnectionState CrossAxisAlignment CrossFadeState DatePickerMode DayPeriod DecorationPosition DiagnosticLevel DismissDirection DragAnchor DrawerAlignment FadeInImagePhase FilterQuality FlexFit FlutterLogoStyle FontStyle GrowthDirection HeroFlightDirection HitTestBehavior HourFormat ImageRepeat ListTileControlAffinity ListTileStyle MainAxisAlignment MainAxisSize MaterialListType MaterialTapTargetSize MaterialType Orientation Overflow PaintingStyle PathFillType PathOperation RenderComparison RoutePopDisposition ScriptCategory SelectionChangedCause ShowValueIndicator SnackBarClosedReason StackFit StepperType StepState StrokeCap StrokeJoin TabBarIndicatorSize TableCellVerticalAlignment TargetPlatform TextAffinity TextAlign TextBaseline TextCapitalization TextDecorationStyle TextDirection TextInputAction TextOverflow TextSelectionHandleType TileMode TimeOfDayFormat VertexMode VerticalDirection WrapAlignment WrapCrossAlignment TYPEDEFS AnimatedCrossFadeBuilder AnimatedListItemBuilder AnimatedListRemovedItemBuilder AnimatedSwitcherLayoutBuilder AnimatedSwitcherTransitionBuilder AnimationStatusListener AsyncWidgetBuilder ControlsWidgetBuilder CreateRectTween DataColumnSortCallback DismissDirectionCallback DragEndCallback DraggableCanceledCallback DragTargetAccept DragTargetBuilder DragTargetLeave DragTargetWillAccept DrawerCallback ElementVisitor ErrorWidgetBuilder ExpansionPanelCallback ExpansionPanelHeaderBuilder FormFieldBuilder FormFieldSetter FormFieldValidator GenerateAppTitle GestureDragCancelCallback GestureDragDownCallback GestureDragEndCallback GestureDragStartCallback GestureDragUpdateCallback GestureLongPressCallback GestureRecognizerFactoryConstructor GestureRecognizerFactoryInitializer GestureScaleEndCallback GestureScaleStartCallback GestureScaleUpdateCallback GestureTapCallback GestureTapCancelCallback GestureTapDownCallback GestureTapUpCallback HeroFlightShuttleBuilder ImageErrorListener ImageListener IndexedWidgetBuilder InspectorSelectButtonBuilder InspectorSelectionChangedCallback LayoutWidgetBuilder LocaleListResolutionCallback LocaleResolutionCallback NestedScrollViewHeaderSliversBuilder NotificationListenerCallback OrientationWidgetBuilder PageRouteFactory PointerCancelEventListener PointerDownEventListener PointerMoveEventListener PointerUpEventListener PopupMenuCanceled PopupMenuItemBuilder PopupMenuItemSelected RebuildDirtyWidgetCallback RectCallback RefreshCallback ReorderCallback RouteFactory RoutePageBuilder RoutePredicate RouteTransitionsBuilder ScrollNotificationPredicate SelectableDayPredicate SelectionChangedCallback SemanticFormatterCallback SemanticIndexCallback SemanticsBuilderCallback ShaderCallback StatefulWidgetBuilder StateSetter TextSelectionOverlayChanged TransitionBuilder TweenConstructor TweenVisitor ValueChanged ValueGetter ValueSetter ValueWidgetBuilder ViewportBuilder VoidCallback WidgetBuilder WillPopCallback EXCEPTIONS FlutterError TickerCanceled ```