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href="material/MaterialStateColor-class.html">MaterialStateColor</a></li><li><a href="material/MaterialStateProperty-class.html">MaterialStateProperty</a></li><li><a href="widgets/Matrix4-class.html">Matrix4</a></li><li><a href="widgets/Matrix4Tween-class.html">Matrix4Tween</a></li><li><a href="painting/MatrixUtils-class.html">MatrixUtils</a></li><li><a href="rendering/MaxColumnWidth-class.html">MaxColumnWidth</a></li><li><a href="widgets/MediaQuery-class.html">MediaQuery</a></li><li><a href="widgets/MediaQueryData-class.html">MediaQueryData</a></li><li><a href="painting/MemoryImage-class.html">MemoryImage</a></li><li><a href="material/MergeableMaterial-class.html">MergeableMaterial</a></li><li><a href="material/MergeableMaterialItem-class.html">MergeableMaterialItem</a></li><li><a href="widgets/MergeSemantics-class.html">MergeSemantics</a></li><li><a href="widgets/MetaData-class.html">MetaData</a></li><li><a href="rendering/MinColumnWidth-class.html">MinColumnWidth</a></li><li><a href="widgets/ModalBarrier-class.html">ModalBarrier</a></li><li><a href="widgets/ModalRoute-class.html">ModalRoute</a></li><li><a href="material/MonthPicker-class.html">MonthPicker</a></li><li><a href="widgets/MouseRegion-class.html">MouseRegion</a></li><li><a href="rendering/MultiChildLayoutDelegate-class.html">MultiChildLayoutDelegate</a></li><li><a href="widgets/MultiChildRenderObjectElement-class.html">MultiChildRenderObjectElement</a></li><li><a href="widgets/MultiChildRenderObjectWidget-class.html">MultiChildRenderObjectWidget</a></li><li><a href="painting/MultiFrameImageStreamCompleter-class.html">MultiFrameImageStreamCompleter</a></li><li><a href="widgets/NavigationToolbar-class.html">NavigationToolbar</a></li><li><a href="widgets/Navigator-class.html">Navigator</a></li><li><a href="widgets/NavigatorObserver-class.html">NavigatorObserver</a></li><li><a href="widgets/NavigatorState-class.html">NavigatorState</a></li><li><a href="widgets/NestedScrollView-class.html">NestedScrollView</a></li><li><a href="widgets/NestedScrollViewViewport-class.html">NestedScrollViewViewport</a></li><li><a href="painting/NetworkImage-class.html">NetworkImage</a></li><li><a href="widgets/NeverScrollableScrollPhysics-class.html">NeverScrollableScrollPhysics</a></li><li><a href="painting/NotchedShape-class.html">NotchedShape</a></li><li><a href="widgets/Notification-class.html">Notification</a></li><li><a href="widgets/NotificationListener-class.html">NotificationListener</a></li><li><a href="widgets/ObjectKey-class.html">ObjectKey</a></li><li><a href="dart-ui/Offset-class.html">Offset</a></li><li><a href="widgets/Offstage-class.html">Offstage</a></li><li><a href="painting/OneFrameImageStreamCompleter-class.html">OneFrameImageStreamCompleter</a></li><li><a href="widgets/Opacity-class.html">Opacity</a></li><li><a href="material/OpenUpwardsPageTransitionsBuilder-class.html">OpenUpwardsPageTransitionsBuilder</a></li><li><a href="widgets/OrientationBuilder-class.html">OrientationBuilder</a></li><li><a href="material/OutlineButton-class.html">OutlineButton</a></li><li><a href="material/OutlineInputBorder-class.html">OutlineInputBorder</a></li><li><a href="widgets/OverflowBox-class.html">OverflowBox</a></li><li><a href="widgets/Overlay-class.html">Overlay</a></li><li><a href="widgets/OverlayEntry-class.html">OverlayEntry</a></li><li><a href="widgets/OverlayRoute-class.html">OverlayRoute</a></li><li><a href="widgets/OverlayState-class.html">OverlayState</a></li><li><a href="widgets/OverscrollIndicatorNotification-class.html">OverscrollIndicatorNotification</a></li><li><a href="widgets/OverscrollNotification-class.html">OverscrollNotification</a></li><li><a href="widgets/Padding-class.html">Padding</a></li><li><a href="material/PaddleRangeSliderValueIndicatorShape-class.html">PaddleRangeSliderValueIndicatorShape</a></li><li><a href="material/PaddleSliderValueIndicatorShape-class.html">PaddleSliderValueIndicatorShape</a></li><li><a href="widgets/PageController-class.html">PageController</a></li><li><a href="widgets/PageMetrics-class.html">PageMetrics</a></li><li><a href="widgets/PageRoute-class.html">PageRoute</a></li><li><a href="widgets/PageRouteBuilder-class.html">PageRouteBuilder</a></li><li><a href="widgets/PageScrollPhysics-class.html">PageScrollPhysics</a></li><li><a href="widgets/PageStorage-class.html">PageStorage</a></li><li><a href="widgets/PageStorageBucket-class.html">PageStorageBucket</a></li><li><a href="widgets/PageStorageKey-class.html">PageStorageKey</a></li><li><a href="material/PageTransitionsBuilder-class.html">PageTransitionsBuilder</a></li><li><a href="material/PageTransitionsTheme-class.html">PageTransitionsTheme</a></li><li><a href="widgets/PageView-class.html">PageView</a></li><li><a href="material/PaginatedDataTable-class.html">PaginatedDataTable</a></li><li><a href="material/PaginatedDataTableState-class.html">PaginatedDataTableState</a></li><li><a href="dart-ui/Paint-class.html">Paint</a></li><li><a href="rendering/PaintingContext-class.html">PaintingContext</a></li><li><a href="widgets/ParentDataElement-class.html">ParentDataElement</a></li><li><a href="widgets/ParentDataWidget-class.html">ParentDataWidget</a></li><li><a href="dart-ui/Path-class.html">Path</a></li><li><a href="widgets/PerformanceOverlay-class.html">PerformanceOverlay</a></li><li><a href="material/PersistentBottomSheetController-class.html">PersistentBottomSheetController</a></li><li><a href="widgets/PhysicalModel-class.html">PhysicalModel</a></li><li><a href="widgets/PhysicalShape-class.html">PhysicalShape</a></li><li><a href="widgets/Placeholder-class.html">Placeholder</a></li><li><a href="painting/PlaceholderDimensions-class.html">PlaceholderDimensions</a></li><li><a href="painting/PlaceholderSpan-class.html">PlaceholderSpan</a></li><li><a href="widgets/PlatformViewCreationParams-class.html">PlatformViewCreationParams</a></li><li><a href="widgets/PlatformViewLink-class.html">PlatformViewLink</a></li><li><a href="widgets/PlatformViewSurface-class.html">PlatformViewSurface</a></li><li><a href="gestures/PointerCancelEvent-class.html">PointerCancelEvent</a></li><li><a href="gestures/PointerDownEvent-class.html">PointerDownEvent</a></li><li><a href="gestures/PointerEvent-class.html">PointerEvent</a></li><li><a href="gestures/PointerMoveEvent-class.html">PointerMoveEvent</a></li><li><a href="gestures/PointerUpEvent-class.html">PointerUpEvent</a></li><li><a href="material/PopupMenuButton-class.html">PopupMenuButton</a></li><li><a href="material/PopupMenuDivider-class.html">PopupMenuDivider</a></li><li><a href="material/PopupMenuEntry-class.html">PopupMenuEntry</a></li><li><a href="material/PopupMenuItem-class.html">PopupMenuItem</a></li><li><a href="material/PopupMenuItemState-class.html">PopupMenuItemState</a></li><li><a href="material/PopupMenuTheme-class.html">PopupMenuTheme</a></li><li><a href="material/PopupMenuThemeData-class.html">PopupMenuThemeData</a></li><li><a href="widgets/PopupRoute-class.html">PopupRoute</a></li><li><a href="widgets/Positioned-class.html">Positioned</a></li><li><a href="widgets/PositionedDirectional-class.html">PositionedDirectional</a></li><li><a href="widgets/PositionedTransition-class.html">PositionedTransition</a></li><li><a href="widgets/PreferredSize-class.html">PreferredSize</a></li><li><a href="widgets/PreferredSizeWidget-class.html">PreferredSizeWidget</a></li><li><a href="widgets/PrimaryScrollController-class.html">PrimaryScrollController</a></li><li><a href="material/ProgressIndicator-class.html">ProgressIndicator</a></li><li><a href="animation/ProxyAnimation-class.html">ProxyAnimation</a></li><li><a href="widgets/ProxyElement-class.html">ProxyElement</a></li><li><a href="widgets/ProxyWidget-class.html">ProxyWidget</a></li><li><a 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href="widgets/RouteObserver-class.html">RouteObserver</a></li><li><a href="widgets/RouteSettings-class.html">RouteSettings</a></li><li><a href="widgets/Row-class.html">Row</a></li><li><a href="dart-ui/RRect-class.html">RRect</a></li><li><a href="dart-ui/RSTransform-class.html">RSTransform</a></li><li><a href="widgets/SafeArea-class.html">SafeArea</a></li><li><a href="animation/SawTooth-class.html">SawTooth</a></li><li><a href="material/Scaffold-class.html">Scaffold</a></li><li><a href="material/ScaffoldFeatureController-class.html">ScaffoldFeatureController</a></li><li><a href="material/ScaffoldGeometry-class.html">ScaffoldGeometry</a></li><li><a href="material/ScaffoldPrelayoutGeometry-class.html">ScaffoldPrelayoutGeometry</a></li><li><a href="material/ScaffoldState-class.html">ScaffoldState</a></li><li><a href="gestures/ScaleEndDetails-class.html">ScaleEndDetails</a></li><li><a href="gestures/ScaleStartDetails-class.html">ScaleStartDetails</a></li><li><a href="widgets/ScaleTransition-class.html">ScaleTransition</a></li><li><a href="gestures/ScaleUpdateDetails-class.html">ScaleUpdateDetails</a></li><li><a href="widgets/Scrollable-class.html">Scrollable</a></li><li><a href="widgets/ScrollableState-class.html">ScrollableState</a></li><li><a href="widgets/ScrollActivity-class.html">ScrollActivity</a></li><li><a href="widgets/ScrollActivityDelegate-class.html">ScrollActivityDelegate</a></li><li><a href="material/Scrollbar-class.html">Scrollbar</a></li><li><a href="widgets/ScrollbarPainter-class.html">ScrollbarPainter</a></li><li><a href="widgets/ScrollBehavior-class.html">ScrollBehavior</a></li><li><a href="widgets/ScrollConfiguration-class.html">ScrollConfiguration</a></li><li><a href="widgets/ScrollContext-class.html">ScrollContext</a></li><li><a href="widgets/ScrollController-class.html">ScrollController</a></li><li><a href="widgets/ScrollDragController-class.html">ScrollDragController</a></li><li><a href="widgets/ScrollEndNotification-class.html">ScrollEndNotification</a></li><li><a href="widgets/ScrollHoldController-class.html">ScrollHoldController</a></li><li><a href="widgets/ScrollMetrics-class.html">ScrollMetrics</a></li><li><a href="widgets/ScrollNotification-class.html">ScrollNotification</a></li><li><a href="widgets/ScrollPhysics-class.html">ScrollPhysics</a></li><li><a href="widgets/ScrollPosition-class.html">ScrollPosition</a></li><li><a href="widgets/ScrollPositionWithSingleContext-class.html">ScrollPositionWithSingleContext</a></li><li><a href="physics/ScrollSpringSimulation-class.html">ScrollSpringSimulation</a></li><li><a href="widgets/ScrollStartNotification-class.html">ScrollStartNotification</a></li><li><a href="widgets/ScrollUpdateNotification-class.html">ScrollUpdateNotification</a></li><li><a href="widgets/ScrollView-class.html">ScrollView</a></li><li><a href="material/SearchDelegate-class.html">SearchDelegate</a></li><li><a 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href="widgets/ShortcutManager-class.html">ShortcutManager</a></li><li><a href="widgets/Shortcuts-class.html">Shortcuts</a></li><li><a href="widgets/ShrinkWrappingViewport-class.html">ShrinkWrappingViewport</a></li><li><a href="material/SimpleDialog-class.html">SimpleDialog</a></li><li><a href="material/SimpleDialogOption-class.html">SimpleDialogOption</a></li><li><a href="physics/Simulation-class.html">Simulation</a></li><li><a href="rendering/SingleChildLayoutDelegate-class.html">SingleChildLayoutDelegate</a></li><li><a href="widgets/SingleChildRenderObjectElement-class.html">SingleChildRenderObjectElement</a></li><li><a href="widgets/SingleChildRenderObjectWidget-class.html">SingleChildRenderObjectWidget</a></li><li><a href="widgets/SingleChildScrollView-class.html">SingleChildScrollView</a></li><li><a href="dart-ui/Size-class.html">Size</a></li><li><a href="widgets/SizeChangedLayoutNotification-class.html">SizeChangedLayoutNotification</a></li><li><a href="widgets/SizeChangedLayoutNotifier-class.html">SizeChangedLayoutNotifier</a></li><li><a href="widgets/SizedBox-class.html">SizedBox</a></li><li><a href="widgets/SizedOverflowBox-class.html">SizedOverflowBox</a></li><li><a href="widgets/SizeTransition-class.html">SizeTransition</a></li><li><a href="animation/SizeTween-class.html">SizeTween</a></li><li><a href="material/Slider-class.html">Slider</a></li><li><a href="material/SliderComponentShape-class.html">SliderComponentShape</a></li><li><a href="material/SliderTheme-class.html">SliderTheme</a></li><li><a href="material/SliderThemeData-class.html">SliderThemeData</a></li><li><a href="material/SliderTickMarkShape-class.html">SliderTickMarkShape</a></li><li><a href="material/SliderTrackShape-class.html">SliderTrackShape</a></li><li><a href="widgets/SlideTransition-class.html">SlideTransition</a></li><li><a href="material/SliverAppBar-class.html">SliverAppBar</a></li><li><a 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href="widgets/SliverList-class.html">SliverList</a></li><li><a href="widgets/SliverMultiBoxAdaptorElement-class.html">SliverMultiBoxAdaptorElement</a></li><li><a href="widgets/SliverMultiBoxAdaptorWidget-class.html">SliverMultiBoxAdaptorWidget</a></li><li><a href="widgets/SliverOverlapAbsorber-class.html">SliverOverlapAbsorber</a></li><li><a href="widgets/SliverOverlapAbsorberHandle-class.html">SliverOverlapAbsorberHandle</a></li><li><a href="widgets/SliverOverlapInjector-class.html">SliverOverlapInjector</a></li><li><a href="widgets/SliverPadding-class.html">SliverPadding</a></li><li><a href="widgets/SliverPersistentHeader-class.html">SliverPersistentHeader</a></li><li><a href="widgets/SliverPersistentHeaderDelegate-class.html">SliverPersistentHeaderDelegate</a></li><li><a href="widgets/SliverPrototypeExtentList-class.html">SliverPrototypeExtentList</a></li><li><a href="widgets/SliverSafeArea-class.html">SliverSafeArea</a></li><li><a href="widgets/SliverToBoxAdapter-class.html">SliverToBoxAdapter</a></li><li><a href="widgets/SliverWithKeepAliveWidget-class.html">SliverWithKeepAliveWidget</a></li><li><a href="material/SnackBar-class.html">SnackBar</a></li><li><a href="material/SnackBarAction-class.html">SnackBarAction</a></li><li><a href="material/SnackBarThemeData-class.html">SnackBarThemeData</a></li><li><a href="widgets/Spacer-class.html">Spacer</a></li><li><a href="widgets/Stack-class.html">Stack</a></li><li><a href="painting/StadiumBorder-class.html">StadiumBorder</a></li><li><a href="widgets/State-class.html">State</a></li><li><a href="widgets/StatefulBuilder-class.html">StatefulBuilder</a></li><li><a href="widgets/StatefulElement-class.html">StatefulElement</a></li><li><a href="widgets/StatefulWidget-class.html">StatefulWidget</a></li><li><a href="widgets/StatelessElement-class.html">StatelessElement</a></li><li><a href="widgets/StatelessWidget-class.html">StatelessWidget</a></li><li><a href="widgets/StatusTransitionWidget-class.html">StatusTransitionWidget</a></li><li><a href="material/Step-class.html">Step</a></li><li><a href="material/Stepper-class.html">Stepper</a></li><li><a href="animation/StepTween-class.html">StepTween</a></li><li><a href="widgets/StreamBuilder-class.html">StreamBuilder</a></li><li><a href="widgets/StreamBuilderBase-class.html">StreamBuilderBase</a></li><li><a href="painting/StrutStyle-class.html">StrutStyle</a></li><li><a href="painting/SweepGradient-class.html">SweepGradient</a></li><li><a href="material/Switch-class.html">Switch</a></li><li><a href="material/SwitchListTile-class.html">SwitchListTile</a></li><li><a href="material/Tab-class.html">Tab</a></li><li><a href="material/TabBar-class.html">TabBar</a></li><li><a href="material/TabBarTheme-class.html">TabBarTheme</a></li><li><a href="material/TabBarView-class.html">TabBarView</a></li><li><a href="material/TabController-class.html">TabController</a></li><li><a href="widgets/Table-class.html">Table</a></li><li><a href="rendering/TableBorder-class.html">TableBorder</a></li><li><a href="widgets/TableCell-class.html">TableCell</a></li><li><a href="rendering/TableColumnWidth-class.html">TableColumnWidth</a></li><li><a href="widgets/TableRow-class.html">TableRow</a></li><li><a href="material/TableRowInkWell-class.html">TableRowInkWell</a></li><li><a href="material/TabPageSelector-class.html">TabPageSelector</a></li><li><a href="material/TabPageSelectorIndicator-class.html">TabPageSelectorIndicator</a></li><li><a href="gestures/TapDownDetails-class.html">TapDownDetails</a></li><li><a href="material/TappableChipAttributes-class.html">TappableChipAttributes</a></li><li><a href="gestures/TapUpDetails-class.html">TapUpDetails</a></li><li><a href="widgets/Text-class.html">Text</a></li><li><a href="painting/TextAlignVertical-class.html">TextAlignVertical</a></li><li><a href="dart-ui/TextBox-class.html">TextBox</a></li><li><a href="dart-ui/TextDecoration-class.html">TextDecoration</a></li><li><a href="widgets/TextEditingController-class.html">TextEditingController</a></li><li><a href="services/TextEditingValue-class.html">TextEditingValue</a></li><li><a href="material/TextField-class.html">TextField</a></li><li><a href="material/TextFormField-class.html">TextFormField</a></li><li><a href="services/TextInputType-class.html">TextInputType</a></li><li><a href="painting/TextPainter-class.html">TextPainter</a></li><li><a href="dart-ui/TextPosition-class.html">TextPosition</a></li><li><a href="services/TextRange-class.html">TextRange</a></li><li><a href="services/TextSelection-class.html">TextSelection</a></li><li><a href="widgets/TextSelectionControls-class.html">TextSelectionControls</a></li><li><a href="services/TextSelectionDelegate-class.html">TextSelectionDelegate</a></li><li><a href="widgets/TextSelectionGestureDetector-class.html">TextSelectionGestureDetector</a></li><li><a href="widgets/TextSelectionGestureDetectorBuilder-class.html">TextSelectionGestureDetectorBuilder</a></li><li><a href="widgets/TextSelectionGestureDetectorBuilderDelegate-class.html">TextSelectionGestureDetectorBuilderDelegate</a></li><li><a href="widgets/TextSelectionOverlay-class.html">TextSelectionOverlay</a></li><li><a href="painting/TextSpan-class.html">TextSpan</a></li><li><a href="painting/TextStyle-class.html">TextStyle</a></li><li><a href="widgets/TextStyleTween-class.html">TextStyleTween</a></li><li><a href="material/TextTheme-class.html">TextTheme</a></li><li><a href="widgets/Texture-class.html">Texture</a></li><li><a href="material/Theme-class.html">Theme</a></li><li><a href="material/ThemeData-class.html">ThemeData</a></li><li><a href="material/ThemeDataTween-class.html">ThemeDataTween</a></li><li><a href="animation/Threshold-class.html">Threshold</a></li><li><a href="scheduler/TickerFuture-class.html">TickerFuture</a></li><li><a href="widgets/TickerMode-class.html">TickerMode</a></li><li><a href="scheduler/TickerProvider-class.html">TickerProvider</a></li><li><a href="material/TimeOfDay-class.html">TimeOfDay</a></li><li><a href="widgets/Title-class.html">Title</a></li><li><a href="material/ToggleButtons-class.html">ToggleButtons</a></li><li><a href="material/ToggleButtonsTheme-class.html">ToggleButtonsTheme</a></li><li><a href="material/ToggleButtonsThemeData-class.html">ToggleButtonsThemeData</a></li><li><a href="physics/Tolerance-class.html">Tolerance</a></li><li><a href="widgets/ToolbarOptions-class.html">ToolbarOptions</a></li><li><a href="material/Tooltip-class.html">Tooltip</a></li><li><a href="material/TooltipTheme-class.html">TooltipTheme</a></li><li><a href="material/TooltipThemeData-class.html">TooltipThemeData</a></li><li><a href="widgets/TrackingScrollController-class.html">TrackingScrollController</a></li><li><a href="animation/TrainHoppingAnimation-class.html">TrainHoppingAnimation</a></li><li><a href="widgets/Transform-class.html">Transform</a></li><li><a href="painting/TransformProperty-class.html">TransformProperty</a></li><li><a href="widgets/TransitionRoute-class.html">TransitionRoute</a></li><li><a href="animation/Tween-class.html">Tween</a></li><li><a href="animation/TweenSequence-class.html">TweenSequence</a></li><li><a href="animation/TweenSequenceItem-class.html">TweenSequenceItem</a></li><li><a href="widgets/TypeMatcher-class.html">TypeMatcher</a></li><li><a href="material/Typography-class.html">Typography</a></li><li><a href="widgets/UiKitView-class.html">UiKitView</a></li><li><a href="widgets/UnconstrainedBox-class.html">UnconstrainedBox</a></li><li><a href="material/UnderlineInputBorder-class.html">UnderlineInputBorder</a></li><li><a href="material/UnderlineTabIndicator-class.html">UnderlineTabIndicator</a></li><li><a href="widgets/UniqueKey-class.html">UniqueKey</a></li><li><a href="widgets/UniqueWidget-class.html">UniqueWidget</a></li><li><a href="material/UserAccountsDrawerHeader-class.html">UserAccountsDrawerHeader</a></li><li><a href="widgets/UserScrollNotification-class.html">UserScrollNotification</a></li><li><a href="foundation/ValueKey-class.html">ValueKey</a></li><li><a href="widgets/ValueListenableBuilder-class.html">ValueListenableBuilder</a></li><li><a href="foundation/ValueNotifier-class.html">ValueNotifier</a></li><li><a href="gestures/Velocity-class.html">Velocity</a></li><li><a href="material/VerticalDivider-class.html">VerticalDivider</a></li><li><a href="widgets/Viewport-class.html">Viewport</a></li><li><a href="widgets/Visibility-class.html">Visibility</a></li><li><a href="widgets/Widget-class.html">Widget</a></li><li><a href="widgets/WidgetInspector-class.html">WidgetInspector</a></li><li><a href="widgets/WidgetOrderFocusTraversalPolicy-class.html">WidgetOrderFocusTraversalPolicy</a></li><li><a href="widgets/WidgetsApp-class.html">WidgetsApp</a></li><li><a href="widgets/WidgetsBindingObserver-class.html">WidgetsBindingObserver</a></li><li><a href="widgets/WidgetsFlutterBinding-class.html">WidgetsFlutterBinding</a></li><li><a href="widgets/WidgetsLocalizations-class.html">WidgetsLocalizations</a></li><li><a href="widgets/WidgetSpan-class.html">WidgetSpan</a></li><li><a href="widgets/WidgetToRenderBoxAdapter-class.html">WidgetToRenderBoxAdapter</a></li><li><a href="widgets/WillPopScope-class.html">WillPopScope</a></li><li><a href="widgets/Wrap-class.html">Wrap</a></li><li><a href="material/YearPicker-class.html">YearPicker</a></li><li class="section-title"><a href="material/material-library.html#mixins">Mixins</a></li><li><a href="animation/AnimationEagerListenerMixin-mixin.html">AnimationEagerListenerMixin</a></li><li><a href="animation/AnimationLazyListenerMixin-mixin.html">AnimationLazyListenerMixin</a></li><li><a href="animation/AnimationLocalListenersMixin-mixin.html">AnimationLocalListenersMixin</a></li><li><a href="animation/AnimationLocalStatusListenersMixin-mixin.html">AnimationLocalStatusListenersMixin</a></li><li><a href="animation/AnimationWithParentMixin-mixin.html">AnimationWithParentMixin</a></li><li><a href="widgets/AutomaticKeepAliveClientMixin-mixin.html">AutomaticKeepAliveClientMixin</a></li><li><a href="widgets/DirectionalFocusTraversalPolicyMixin-mixin.html">DirectionalFocusTraversalPolicyMixin</a></li><li><a href="widgets/LocalHistoryRoute-mixin.html">LocalHistoryRoute</a></li><li><a href="material/MaterialButtonWithIconMixin-mixin.html">MaterialButtonWithIconMixin</a></li><li><a href="painting/PaintingBinding-mixin.html">PaintingBinding</a></li><li><a href="widgets/RenderConstrainedLayoutBuilder-mixin.html">RenderConstrainedLayoutBuilder</a></li><li><a href="widgets/SingleTickerProviderStateMixin-mixin.html">SingleTickerProviderStateMixin</a></li><li><a href="widgets/TickerProviderStateMixin-mixin.html">TickerProviderStateMixin</a></li><li><a href="widgets/ViewportNotificationMixin-mixin.html">ViewportNotificationMixin</a></li><li><a href="widgets/WidgetInspectorService-mixin.html">WidgetInspectorService</a></li><li><a href="widgets/WidgetsBinding-mixin.html">WidgetsBinding</a></li><li class="section-title"><a href="material/material-library.html#constants">Constants</a></li><li><a href="widgets/immutable-constant.html">immutable</a></li><li><a href="material/iOSHorizontalOffset-constant.html">iOSHorizontalOffset</a></li><li><a href="animation/kAlwaysCompleteAnimation-constant.html">kAlwaysCompleteAnimation</a></li><li><a href="animation/kAlwaysDismissedAnimation-constant.html">kAlwaysDismissedAnimation</a></li><li><a href="material/kBottomNavigationBarHeight-constant.html">kBottomNavigationBarHeight</a></li><li><a href="material/kElevationToShadow-constant.html">kElevationToShadow</a></li><li><a href="material/kFloatingActionButtonMargin-constant.html">kFloatingActionButtonMargin</a></li><li><a href="material/kFloatingActionButtonSegue-constant.html">kFloatingActionButtonSegue</a></li><li><a href="material/kFloatingActionButtonTurnInterval-constant.html">kFloatingActionButtonTurnInterval</a></li><li><a href="material/kMaterialListPadding-constant.html">kMaterialListPadding</a></li><li><a href="material/kMinInteractiveDimension-constant.html">kMinInteractiveDimension</a></li><li><a href="material/kRadialReactionAlpha-constant.html">kRadialReactionAlpha</a></li><li><a href="material/kRadialReactionDuration-constant.html">kRadialReactionDuration</a></li><li><a href="material/kRadialReactionRadius-constant.html">kRadialReactionRadius</a></li><li><a href="material/kTabLabelPadding-constant.html">kTabLabelPadding</a></li><li><a href="material/kTabScrollDuration-constant.html">kTabScrollDuration</a></li><li><a href="material/kTextTabBarHeight-constant.html">kTextTabBarHeight</a></li><li><a href="material/kThemeAnimationDuration-constant.html">kThemeAnimationDuration</a></li><li><a href="material/kThemeChangeDuration-constant.html">kThemeChangeDuration</a></li><li><a href="material/kToolbarHeight-constant.html">kToolbarHeight</a></li><li><a href="widgets/mustCallSuper-constant.html">mustCallSuper</a></li><li><a href="widgets/optionalTypeArgs-constant.html">optionalTypeArgs</a></li><li><a href="widgets/protected-constant.html">protected</a></li><li><a href="widgets/required-constant.html">required</a></li><li><a href="widgets/visibleForTesting-constant.html">visibleForTesting</a></li><li class="section-title"><a href="material/material-library.html#properties">Properties</a></li><li><a href="painting/debugDisableShadows.html">debugDisableShadows</a></li><li><a href="widgets/debugHighlightDeprecatedWidgets.html">debugHighlightDeprecatedWidgets</a></li><li><a href="painting/debugNetworkImageHttpClientProvider.html">debugNetworkImageHttpClientProvider</a></li><li><a href="widgets/debugOnRebuildDirtyWidget.html">debugOnRebuildDirtyWidget</a></li><li><a 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href="painting/axisDirectionToAxis.html">axisDirectionToAxis</a></li><li><a href="widgets/createLocalImageConfiguration.html">createLocalImageConfiguration</a></li><li><a href="painting/debugAssertAllPaintingVarsUnset.html">debugAssertAllPaintingVarsUnset</a></li><li><a href="widgets/debugAssertAllWidgetVarsUnset.html">debugAssertAllWidgetVarsUnset</a></li><li><a href="widgets/debugCheckHasDirectionality.html">debugCheckHasDirectionality</a></li><li><a href="material/debugCheckHasMaterial.html">debugCheckHasMaterial</a></li><li><a href="material/debugCheckHasMaterialLocalizations.html">debugCheckHasMaterialLocalizations</a></li><li><a href="widgets/debugCheckHasMediaQuery.html">debugCheckHasMediaQuery</a></li><li><a href="material/debugCheckHasScaffold.html">debugCheckHasScaffold</a></li><li><a href="widgets/debugCheckHasTable.html">debugCheckHasTable</a></li><li><a href="widgets/debugChildrenHaveDuplicateKeys.html">debugChildrenHaveDuplicateKeys</a></li><li><a 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href="widgets/getAxisDirectionFromAxisReverseAndDirectionality.html">getAxisDirectionFromAxisReverseAndDirectionality</a></li><li><a href="dart-ui/hashList.html">hashList</a></li><li><a href="dart-ui/hashValues.html">hashValues</a></li><li><a href="material/hourFormat.html">hourFormat</a></li><li><a href="painting/paintBorder.html">paintBorder</a></li><li><a href="painting/paintImage.html">paintImage</a></li><li><a href="painting/paintZigZag.html">paintZigZag</a></li><li><a href="painting/positionDependentBox.html">positionDependentBox</a></li><li><a href="widgets/precacheImage.html">precacheImage</a></li><li><a href="widgets/runApp.html">runApp</a></li><li><a href="material/showAboutDialog.html">showAboutDialog</a></li><li><a href="material/showBottomSheet.html">showBottomSheet</a></li><li><a href="material/showDatePicker.html">showDatePicker</a></li><li><a href="material/showDialog.html">showDialog</a></li><li><a href="widgets/showGeneralDialog.html">showGeneralDialog</a></li><li><a href="material/showLicensePage.html">showLicensePage</a></li><li><a href="material/showMenu.html">showMenu</a></li><li><a href="material/showModalBottomSheet.html">showModalBottomSheet</a></li><li><a href="material/showSearch.html">showSearch</a></li><li><a href="material/showTimePicker.html">showTimePicker</a></li><li><a href="painting/textDirectionToAxisDirection.html">textDirectionToAxisDirection</a></li><li><a href="widgets/transformDebugCreator.html">transformDebugCreator</a></li><li class="section-title"><a href="material/material-library.html#enums">Enums</a></li><li><a href="animation/AnimationBehavior-class.html">AnimationBehavior</a></li><li><a href="animation/AnimationStatus-class.html">AnimationStatus</a></li><li><a href="dart-ui/AppLifecycleState-class.html">AppLifecycleState</a></li><li><a href="painting/Axis-class.html">Axis</a></li><li><a href="painting/AxisDirection-class.html">AxisDirection</a></li><li><a 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href="widgets/StateSetter.html">StateSetter</a></li><li><a href="widgets/TextSelectionOverlayChanged.html">TextSelectionOverlayChanged</a></li><li><a href="widgets/TransitionBuilder.html">TransitionBuilder</a></li><li><a href="widgets/TweenConstructor.html">TweenConstructor</a></li><li><a href="widgets/TweenVisitor.html">TweenVisitor</a></li><li><a href="foundation/ValueChanged.html">ValueChanged</a></li><li><a href="foundation/ValueGetter.html">ValueGetter</a></li><li><a href="foundation/ValueSetter.html">ValueSetter</a></li><li><a href="widgets/ValueWidgetBuilder.html">ValueWidgetBuilder</a></li><li><a href="widgets/ViewportBuilder.html">ViewportBuilder</a></li><li><a href="dart-ui/VoidCallback.html">VoidCallback</a></li><li><a href="widgets/WidgetBuilder.html">WidgetBuilder</a></li><li><a href="widgets/WillPopCallback.html">WillPopCallback</a></li><li class="section-title"><a href="material/material-library.html#exceptions">Exceptions</a></li><li><a href="foundation/FlutterError-class.html">FlutterError</a></li><li><a href="painting/NetworkImageLoadException-class.html">NetworkImageLoadException</a></li><li><a href="scheduler/TickerCanceled-class.html">TickerCanceled</a></li></ol></div><!--/.sidebar-offcanvas-left--><div id="dartdoc-main-content" class="col-xs-12 col-sm-9 col-md-8 main-content"><div><h1><span class="kind-function">debugCheckHasMaterialLocalizations</span> function </h1></div><section class="multi-line-signature"><span class="returntype"><a href="dart-core/bool-class.html">bool</a></span><span class="name ">debugCheckHasMaterialLocalizations</span>(<wbr><span class="parameter" id="debugCheckHasMaterialLocalizations-param-context"><span class="type-annotation"><a href="widgets/BuildContext-class.html">BuildContext</a></span> <span class="parameter-name">context</span></span>)</section><section class="desc markdown"><p>Asserts that the given context has a <a href="widgets/Localizations-class.html">Localizations</a> ancestor that containsa <a href="material/MaterialLocalizations-class.html">MaterialLocalizations</a> delegate.</p><p>Used by many material design widgets to make sure that they areonly used in contexts where they have access to localizations.</p><p>To call this function, use the following pattern, typically in therelevant Widget's build method:</p><pre class="language-dart"><code class="language-dart">assert(debugCheckHasMaterialLocalizations(context));</code></pre><p>Does nothing if asserts are disabled. Always returns true.</p></section><section class="summary source-code" id="source"><h2><span>Implementation</span></h2><pre class="language-dart"><code class="language-dart">bool debugCheckHasMaterialLocalizations(BuildContext context) {assert(() {if (Localizations.of<MaterialLocalizations>(context, MaterialLocalizations) == null) {final StringBuffer message = StringBuffer();message.writeln('No MaterialLocalizations found.');message.writeln('${context.widget.runtimeType} widgets require MaterialLocalizations ''to be provided by a Localizations widget ancestor.');message.writeln('Localizations are used to generate many different messages, labels,''and abbreviations which are used by the material library. ');message.writeln('To introduce a MaterialLocalizations, either use a '' MaterialApp at the root of your application to include them ''automatically, or add a Localization widget with a ''MaterialLocalizations delegate.');message.writeln('The specific widget that could not find a MaterialLocalizations ancestor was:');message.writeln(' ${context.widget}');final List<Widget> ancestors = <Widget>[];context.visitAncestorElements((Element element) {ancestors.add(element.widget);return true;});if (ancestors.isNotEmpty) {message.write('The ancestors of this widget were:');for (Widget ancestor in ancestors)message.write('\n $ancestor');} else {message.writeln('This widget is the root of the tree, so it has no ''ancestors, let alone a "Localizations" ancestor.');}throw FlutterError(message.toString());}return true;}());return true;}</code></pre></section></div> <!-- /.main-content --><div id="dartdoc-sidebar-right" class="col-xs-6 col-sm-6 col-md-2 sidebar sidebar-offcanvas-right"></div><!--/.sidebar-offcanvas--></main><footer><span class="no-break">flutter 0.0.0-unknown</span></footer><script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script><script src="static-assets/typeahead.bundle.min.js"></script><script src="static-assets/highlight.pack.js"></script><script src="static-assets/URI.js"></script><script src="static-assets/script.js"></script></body></html>
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