PlatformWidget<M extends Widget, C extends Widget> class abstract

Inheritance
Implementers
Available extensions

Constructors

PlatformWidget.new({Key? key})
const

Properties

debugRandomColor → Widget

Available on Widget, provided by the WidgetExtensions extension

no setter
hashCode → int
The hash code for this object.
no setterinherited
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
marginZero → Widget

Available on Widget, provided by the WidgetMarginX extension

no setter
paddingZero → Widget

Available on Widget, provided by the WidgetPaddingX extension

no setter
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
sliverBox → Widget

Available on Widget, provided by the WidgetSliverBoxX extension

no setter

Methods

align(AlignmentGeometry alignment, {Key? key}) → Widget

Available on Widget, provided by the WidgetExtensions extension

对齐
alignBottom() → Widget

Available on Widget, provided by the WidgetExtensions extension

对齐 底部
alignCenter() → Widget

Available on Widget, provided by the WidgetExtensions extension

对齐 中间
alignLeft() → Widget

Available on Widget, provided by the WidgetExtensions extension

对齐 左边
alignRight() → Widget

Available on Widget, provided by the WidgetExtensions extension

对齐 右边
alignTop() → Widget

Available on Widget, provided by the WidgetExtensions extension

对齐 顶部
aspectRatio({Key? key, required double aspectRatio}) → Widget

Available on Widget, provided by the WidgetExtensions extension

backgroundColor(Color color, {Key? key}) → Widget

Available on Widget, provided by the WidgetExtensions extension

背景颜色
backgroundImage(DecorationImage image, {Key? key}) → Widget

Available on Widget, provided by the WidgetExtensions extension

背景图片
border({Key? key, double? all, double? left, double? right, double? top, double? bottom, Color color = const Color(0xFF000000), BorderStyle style = BorderStyle.solid}) → Widget

Available on Widget, provided by the WidgetExtensions extension

边框
borderRadius({Key? key, double? all, double? topLeft, double? topRight, double? bottomLeft, double? bottomRight}) → Widget

Available on Widget, provided by the WidgetExtensions extension

圆角
boxShadow({Key? key, Color color = const Color(0xFF000000), Offset offset = Offset.zero, double blurRadius = 0.0, double spreadRadius = 0.0}) → Widget

Available on Widget, provided by the WidgetExtensions extension

阴影
build(BuildContext context) → Widget
Describes the part of the user interface represented by this widget.
override
buildCupertinoWidget(BuildContext context) → C
buildMaterialWidget(BuildContext context) → M
card({Key? key, double? radius, Color? color, Color? shadowColor, double? blurRadius}) → Widget

Available on Widget, provided by the WidgetExtensions extension

卡片
center({Key? key, double? widthFactor, double? heightFactor}) → Widget

Available on Widget, provided by the WidgetExtensions extension

clipOval({Key? key}) → Widget

Available on Widget, provided by the WidgetExtensions extension

裁剪 oval
clipRect({Key? key, CustomClipper<Rect>? clipper, Clip clipBehavior = Clip.hardEdge}) → Widget

Available on Widget, provided by the WidgetExtensions extension

裁剪 rect
clipRRect({Key? key, double? all, double? topLeft, double? topRight, double? bottomLeft, double? bottomRight, CustomClipper<RRect>? clipper, Clip clipBehavior = Clip.antiAlias}) → Widget

Available on Widget, provided by the WidgetExtensions extension

裁剪圆角
constrained({Key? key, double? width, double? height, double minWidth = 0.0, double maxWidth = double.infinity, double minHeight = 0.0, double maxHeight = double.infinity}) → Widget

Available on Widget, provided by the WidgetExtensions extension

约束
createElement() → StatelessElement
Creates a StatelessElement to manage this widget's location in the tree.
inherited
debugDescribeChildren() → List<DiagnosticsNode>
Returns a list of DiagnosticsNode objects describing this node's children.
inherited
debugFillProperties(DiagnosticPropertiesBuilder properties) → void
Add additional properties associated with the node.
inherited
decorated({Key? key, Color? color, DecorationImage? image, BoxBorder? border, BorderRadius? borderRadius, List<BoxShadow>? boxShadow, Gradient? gradient, BlendMode? backgroundBlendMode, BoxShape shape = BoxShape.rectangle, DecorationPosition position = DecorationPosition.background}) → Widget

Available on Widget, provided by the WidgetExtensions extension

盒子装饰器
elevation(double elevation, {Key? key, BorderRadiusGeometry borderRadius = BorderRadius.zero, Color shadowColor = const Color(0xFF000000)}) → Widget

Available on Widget, provided by the WidgetExtensions extension

elevation
expanded({Key? key, int flex = 1}) → Widget

Available on Widget, provided by the WidgetExtensions extension

expanded 撑满
fittedBox({Key? key, BoxFit fit = BoxFit.contain, AlignmentGeometry alignment = Alignment.centerLeft, Clip clipBehavior = Clip.none}) → Widget

Available on Widget, provided by the WidgetExtensions extension

flexible({Key? key, int flex = 1, FlexFit fit = FlexFit.loose}) → Widget

Available on Widget, provided by the WidgetExtensions extension

弹性布局 flexible
fractionallySizedBox({Key? key, AlignmentGeometry alignment = Alignment.center, double? widthFactor, double? heightFactor}) → Widget

Available on Widget, provided by the WidgetExtensions extension

gestures({Key? key, GestureOnTapChangeCallback? onTapChange, GestureTapDownCallback? onTapDown, GestureTapUpCallback? onTapUp, GestureTapCallback? onTap, GestureTapCancelCallback? onTapCancel, GestureTapDownCallback? onSecondaryTapDown, GestureTapUpCallback? onSecondaryTapUp, GestureTapCancelCallback? onSecondaryTapCancel, GestureTapCallback? onDoubleTap, GestureLongPressCallback? onLongPress, GestureLongPressStartCallback? onLongPressStart, GestureLongPressMoveUpdateCallback? onLongPressMoveUpdate, GestureLongPressUpCallback? onLongPressUp, GestureLongPressEndCallback? onLongPressEnd, GestureDragDownCallback? onVerticalDragDown, GestureDragStartCallback? onVerticalDragStart, GestureDragUpdateCallback? onVerticalDragUpdate, GestureDragEndCallback? onVerticalDragEnd, GestureDragCancelCallback? onVerticalDragCancel, GestureDragDownCallback? onHorizontalDragDown, GestureDragStartCallback? onHorizontalDragStart, GestureDragUpdateCallback? onHorizontalDragUpdate, GestureDragEndCallback? onHorizontalDragEnd, GestureDragCancelCallback? onHorizontalDragCancel, GestureDragDownCallback? onPanDown, GestureDragStartCallback? onPanStart, GestureDragUpdateCallback? onPanUpdate, GestureDragEndCallback? onPanEnd, GestureDragCancelCallback? onPanCancel, GestureScaleStartCallback? onScaleStart, GestureScaleUpdateCallback? onScaleUpdate, GestureScaleEndCallback? onScaleEnd, GestureForcePressStartCallback? onForcePressStart, GestureForcePressPeakCallback? onForcePressPeak, GestureForcePressUpdateCallback? onForcePressUpdate, GestureForcePressEndCallback? onForcePressEnd, HitTestBehavior? behavior, bool excludeFromSemantics = false, DragStartBehavior dragStartBehavior = DragStartBehavior.start}) → Widget

Available on Widget, provided by the WidgetExtensions extension

手势
height(double height, {Key? key}) → Widget

Available on Widget, provided by the WidgetExtensions extension

约束 高度
inkWell({Key? key, dynamic onTap()?, double? borderRadius}) → Widget

Available on Widget, provided by the WidgetExtensions extension

limitedBox({Key? key, double maxWidth = double.infinity, double maxHeight = double.infinity}) → Widget

Available on Widget, provided by the WidgetExtensions extension

限制盒子 最大宽高
marginAll(double margin) → Widget

Available on Widget, provided by the WidgetMarginX extension

marginOnly({double left = 0.0, double top = 0.0, double right = 0.0, double bottom = 0.0}) → Widget

Available on Widget, provided by the WidgetMarginX extension

marginSymmetric({double horizontal = 0.0, double vertical = 0.0}) → Widget

Available on Widget, provided by the WidgetMarginX extension

noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
offstage({Key? key, bool offstage = true}) → Widget

Available on Widget, provided by the WidgetExtensions extension

偏移
onLongPress(GestureTapCallback? onLongPress, {Key? key, HitTestBehavior? behavior, bool excludeFromSemantics = false, DragStartBehavior dragStartBehavior = DragStartBehavior.start}) → Widget

Available on Widget, provided by the WidgetExtensions extension

长按手势
onTap(GestureTapCallback? onTap, {Key? key, HitTestBehavior? behavior, bool excludeFromSemantics = false, DragStartBehavior dragStartBehavior = DragStartBehavior.start}) → Widget

Available on Widget, provided by the WidgetExtensions extension

手势
opacity(double opacity, {Key? key, bool alwaysIncludeSemantics = false}) → Widget

Available on Widget, provided by the WidgetExtensions extension

透明度
overflow({Key? key, AlignmentGeometry alignment = Alignment.center, double? minWidth, double? maxWidth, double? minHeight, double? maxHeight}) → Widget

Available on Widget, provided by the WidgetExtensions extension

溢出
padding({Key? key, EdgeInsetsGeometry? value, double? all, double? horizontal, double? vertical, double? top, double? bottom, double? left, double? right}) → Widget

Available on Widget, provided by the WidgetExtensions extension

内间距
paddingAll(double padding) → Widget

Available on Widget, provided by the WidgetPaddingX extension

paddingBottom(double val) → Widget

Available on Widget, provided by the WidgetExtensions extension

内间距 下
paddingHorizontal(double val) → Widget

Available on Widget, provided by the WidgetExtensions extension

内间距 横向
paddingLeft(double val) → Widget

Available on Widget, provided by the WidgetExtensions extension

内间距 左
paddingOnly({double left = 0.0, double top = 0.0, double right = 0.0, double bottom = 0.0}) → Widget

Available on Widget, provided by the WidgetPaddingX extension

paddingRight(double val) → Widget

Available on Widget, provided by the WidgetExtensions extension

内间距 右
paddingSymmetric({double horizontal = 0.0, double vertical = 0.0}) → Widget

Available on Widget, provided by the WidgetPaddingX extension

paddingTop(double val) → Widget

Available on Widget, provided by the WidgetExtensions extension

内间距 上
paddingVertical(double val) → Widget

Available on Widget, provided by the WidgetExtensions extension

内间距 纵向
positioned({Key? key, double? left, double? top, double? right, double? bottom, double? width, double? height}) → Widget

Available on Widget, provided by the WidgetExtensions extension

stack布局 位置
ripple({Key? key, Color? focusColor, Color? hoverColor, Color? highlightColor, Color? splashColor, InteractiveInkFeatureFactory? splashFactory, double? radius, ShapeBorder? customBorder, bool enableFeedback = true, bool excludeFromSemantics = false, FocusNode? focusNode, bool canRequestFocus = true, bool autoFocus = false, bool enable = true}) → Widget

Available on Widget, provided by the WidgetExtensions extension

涟漪
safeArea({Key? key, bool top = true, bool bottom = true, bool left = true, bool right = true, EdgeInsets minimum = EdgeInsets.zero}) → Widget

Available on Widget, provided by the WidgetExtensions extension

安全区
scale({Key? key, double? all, double? x, double? y, Offset? origin, AlignmentGeometry alignment = Alignment.center, bool transformHitTests = true}) → Widget

Available on Widget, provided by the WidgetExtensions extension

比例缩放
scrollable({Key? key, Axis scrollDirection = Axis.vertical, bool reverse = false, bool? primary, ScrollPhysics? physics, ScrollController? controller, DragStartBehavior dragStartBehavior = DragStartBehavior.start, EdgeInsetsGeometry? padding}) → Widget

Available on Widget, provided by the WidgetExtensions extension

滚动视图
semanticsLabel(String label, {Key? key}) → Widget

Available on Widget, provided by the WidgetExtensions extension

语义调试 MaterialApp.showSemanticsDebugger: true,
sliverPadding({Key? key, EdgeInsetsGeometry? value, double? all, double? horizontal, double? vertical, double? top, double? bottom, double? left, double? right}) → Widget

Available on Widget, provided by the WidgetExtensions extension

内间距
sliverPaddingBottom(double val) → Widget

Available on Widget, provided by the WidgetExtensions extension

内间距 下
sliverPaddingHorizontal(double val) → Widget

Available on Widget, provided by the WidgetExtensions extension

内间距 横向
sliverPaddingLeft(double val) → Widget

Available on Widget, provided by the WidgetExtensions extension

内间距 左
sliverPaddingRight(double val) → Widget

Available on Widget, provided by the WidgetExtensions extension

内间距 右
sliverPaddingTop(double val) → Widget

Available on Widget, provided by the WidgetExtensions extension

内间距 上
sliverPaddingVertical(double val) → Widget

Available on Widget, provided by the WidgetExtensions extension

内间距 纵向
sliverToBoxAdapter({Key? key}) → Widget

Available on Widget, provided by the WidgetExtensions extension

SliverToBoxAdapter
tight({double? width, double? height, Key? key}) → Widget

Available on Widget, provided by the WidgetExtensions extension

约束 宽高
tightSize(double size, {Key? key}) → Widget

Available on Widget, provided by the WidgetExtensions extension

约束 宽高 size
toDiagnosticsNode({String? name, DiagnosticsTreeStyle? style}) → DiagnosticsNode
Returns a debug representation of the object that is used by debugging tools and by DiagnosticsNode.toStringDeep.
inherited
toString({DiagnosticLevel minLevel = DiagnosticLevel.info}) → String
A string representation of this object.
inherited
toStringDeep({String prefixLineOne = '', String? prefixOtherLines, DiagnosticLevel minLevel = DiagnosticLevel.debug, int wrapWidth = 65}) → String
Returns a string representation of this node and its descendants.
inherited
toStringShallow({String joiner = ', ', DiagnosticLevel minLevel = DiagnosticLevel.debug}) → String
Returns a one-line detailed description of the object.
inherited
toStringShort() → String
A short, textual description of this widget.
inherited
transform({Key? key, required Matrix4 transform, Offset? origin, AlignmentGeometry? alignment, bool transformHitTests = true}) → Widget

Available on Widget, provided by the WidgetExtensions extension

transforms Matrix4
translate({Key? key, required Offset offset, bool transformHitTests = true}) → Widget

Available on Widget, provided by the WidgetExtensions extension

translate 变化位置
unconstrained({Key? key, TextDirection? textDirection, AlignmentGeometry alignment = Alignment.center, Axis? constrainedAxis, Clip clipBehavior = Clip.none}) → Widget

Available on Widget, provided by the WidgetExtensions extension

width(double width, {Key? key}) → Widget

Available on Widget, provided by the WidgetExtensions extension

约束 宽度

Operators

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