ScreenUtilInit class

Inheritance
Available extensions

Constructors

ScreenUtilInit({Key? key, ScreenUtilInitBuilder? builder, Widget? child, RebuildFactor rebuildFactor = RebuildFactors.size, Size designSize = ScreenUtil.defaultSize, bool splitScreenMode = false, bool minTextAdapt = false, bool useInheritedMediaQuery = false, bool ensureScreenSize = false, bool enableScaleWH()?, bool enableScaleText()?, Iterable<String>? responsiveWidgets, Iterable<String>? excludeWidgets, FontSizeResolver fontSizeResolver = FontSizeResolvers.width})
A helper widget that initializes ScreenUtil
const

Properties

builder → ScreenUtilInitBuilder?
final
child → Widget?
final
designSize → Size
The Size of the device in the design draft, in dp
final
enableScaleText → bool Function()?
final
enableScaleWH → bool Function()?
final
ensureScreenSize → bool
final
excludeWidgets → Iterable<String>?
final
fontSizeResolver → FontSizeResolver
final
hashCode → int
The hash code for this object.
no setterinherited
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
minTextAdapt → bool
final
rebuildFactor → RebuildFactor
final
responsiveWidgets → Iterable<String>?
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
splitScreenMode → bool
final
useInheritedMediaQuery → bool
final

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
alignment(AlignmentGeometry alignment, {Key? key, bool animate = false}) → Widget

Available on Widget, provided by the WidgetExtensions extension

对齐
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
animate(Duration duration, Curve curve, {Key? key}) → Widget

Available on Widget, provided by the WidgetExtensions extension

animated all properties before this method 动画所有属性
aspectRatio({Key? key, required double aspectRatio}) → Widget

Available on Widget, provided by the WidgetExtensions extension

比例
backgroundBlendMode(BlendMode blendMode, {Key? key, bool animate = false}) → Widget

Available on Widget, provided by the WidgetExtensions extension

背景混合模式
backgroundBlur(double sigma, {Key? key, bool animate = false}) → Widget

Available on Widget, provided by the WidgetExtensions extension

背景模糊
backgroundColor(Color color, {Key? key, bool animate = false}) → Widget

Available on Widget, provided by the WidgetExtensions extension

背景颜色
backgroundGradient(Gradient gradient, {Key? key, bool animate = false}) → Widget

Available on Widget, provided by the WidgetExtensions extension

背景渐变
backgroundImage(DecorationImage image, {Key? key, bool animate = false}) → Widget

Available on Widget, provided by the WidgetExtensions extension

背景图片
backgroundLinearGradient({Key? key, AlignmentGeometry begin = Alignment.centerLeft, AlignmentGeometry end = Alignment.centerRight, List<Color>? colors, List<double>? stops, TileMode tileMode = TileMode.clamp, GradientTransform? transform, bool animate = false}) → Widget

Available on Widget, provided by the WidgetExtensions extension

背景线性渐变
backgroundRadialGradient({Key? key, AlignmentGeometry center = Alignment.center, double radius = 0.5, List<Color>? colors, List<double>? stops, TileMode tileMode = TileMode.clamp, AlignmentGeometry? focal, double focalRadius = 0.0, GradientTransform? transform, bool animate = false}) → Widget

Available on Widget, provided by the WidgetExtensions extension

背景径向渐变
backgroundSweepGradient({Key? key, AlignmentGeometry center = Alignment.center, double startAngle = 0.0, double endAngle = pi * 2, List<Color>? colors, List<double>? stops, TileMode tileMode = TileMode.clamp, GradientTransform? transform, bool animate = false}) → Widget

Available on Widget, provided by the WidgetExtensions extension

背景扫光渐变
border({Key? key, double? all, double? left, double? right, double? top, double? bottom, Color color = const Color(0xFF000000), BorderStyle style = BorderStyle.solid, bool animate = false}) → Widget

Available on Widget, provided by the WidgetExtensions extension

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

Available on Widget, provided by the WidgetExtensions extension

圆角
borderRadiusDirectional({Key? key, double? all, double? topStart, double? topEnd, double? bottomStart, double? bottomEnd, bool animate = false}) → Widget

Available on Widget, provided by the WidgetExtensions extension

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

Available on Widget, provided by the WidgetExtensions extension

盒子阴影
card({Key? key, Color? color, double? elevation, ShapeBorder? shape, bool borderOnForeground = true, EdgeInsetsGeometry? margin, Clip? clipBehavior, bool semanticContainer = true}) → 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

居中
clipOval({Key? key}) → Widget

Available on Widget, provided by the WidgetExtensions extension

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

Available on Widget, provided by the WidgetExtensions extension

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

Available on Widget, provided by the WidgetExtensions extension

圆角矩形
constrained({Key? key, double? width, double? height, double minWidth = 0.0, double maxWidth = double.infinity, double minHeight = 0.0, double maxHeight = double.infinity, bool animate = false}) → Widget

Available on Widget, provided by the WidgetExtensions extension

约束
createElement() → StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() → State<ScreenUtilInit>
Creates the mutable state for this widget at a given location in the tree.
override
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, bool animate = false}) → 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

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

Available on Widget, provided by the WidgetExtensions extension

扩展
fittedBox({Key? key, BoxFit fit = BoxFit.contain, AlignmentGeometry alignment = Alignment.center}) → Widget

Available on Widget, provided by the WidgetExtensions extension

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

Available on Widget, provided by the WidgetExtensions extension

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

Available on Widget, provided by the WidgetExtensions extension

适配
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, bool animate = false}) → 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
material({Key? key, MaterialType type = MaterialType.canvas, double elevation = 0.0, Color? color, Color? shadowColor, TextStyle? textStyle, BorderRadiusGeometry? borderRadius, ShapeBorder? shape, bool borderOnForeground = true, Clip clipBehavior = Clip.none, Duration animationDuration = kThemeChangeDuration}) → Widget

Available on Widget, provided by the WidgetExtensions extension

材料
mouseRegion({Key? key, void onEnter(PointerEnterEvent)?, void onExit(PointerExitEvent)?, void onHover(PointerHoverEvent)?, MouseCursor cursor = MouseCursor.defer, bool opaque = true}) → Widget

Available on Widget, provided by the WidgetExtensions extension

鼠标区域
neumorphism({Key? key, required double elevation, BorderRadius borderRadius = BorderRadius.zero, Color backgroundColor = const Color(0xffEDF1F5), double curve = 0.0, bool animate = false}) → Widget

Available on Widget, provided by the WidgetExtensions extension

新拟态
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

舞台
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 animate = false, 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, bool animate = false}) → Widget

Available on Widget, provided by the WidgetExtensions extension

溢出
padding({Key? key, double? all, double? horizontal, double? vertical, double? top, double? bottom, double? left, double? right, bool animate = false}) → Widget

Available on Widget, provided by the WidgetExtensions extension

内间距
paddingBottom(double val) → Widget

Available on Widget, provided by the WidgetExtensions extension

内间距 下
paddingDirectional({Key? key, double? all, double? horizontal, double? vertical, double? top, double? bottom, double? start, double? end, bool animate = false}) → Widget

Available on Widget, provided by the WidgetExtensions extension

内间距 方向
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
paddingRight(double val) → Widget

Available on Widget, provided by the WidgetExtensions extension

内间距 右
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
parent(Widget parent({required Widget child})) → Widget

Available on Widget, provided by the WidgetExtensions extension

Applies a parent to a child
positioned({Key? key, double? left, double? top, double? right, double? bottom, double? width, double? height, bool animate = false}) → Widget

Available on Widget, provided by the WidgetExtensions extension

位置
positionedDirectional({Key? key, double? start, double? end, double? top, double? bottom, double? width, double? height, bool animate = false}) → Widget

Available on Widget, provided by the WidgetExtensions extension

位置方向
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 InkWell
rotate({Key? key, required double angle, Offset? origin, AlignmentGeometry alignment = Alignment.center, bool transformHitTests = true, bool animate = false}) → Widget

Available on Widget, provided by the WidgetExtensions extension

旋转
safeArea({Key? key, bool top = true, bool bottom = true, bool left = true, bool right = true}) → Widget

Available on Widget, provided by the WidgetExtensions extension

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

Available on Widget, provided by the WidgetExtensions extension

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

语义标签
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, bool animate = false}) → Widget

Available on Widget, provided by the WidgetExtensions extension

变换
translate({Key? key, required Offset offset, bool transformHitTests = true, bool animate = false}) → Widget

Available on Widget, provided by the WidgetExtensions extension

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

Available on Widget, provided by the WidgetExtensions extension

取消父级约束
width(double width, {Key? key, bool animate = false}) → Widget

Available on Widget, provided by the WidgetExtensions extension

约束 宽度

Operators

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