BText class

Inheritance

• Object
• DiagnosticableTree
• Widget
• StatelessWidget
• BText

Available extensions

• ExtensionWidget
• ExtensionWidgetMethod

Constructors

BText(String text, {Key? key, GestureRecognizer? recognizer, String? semanticsLabel, StrutStyle? strutStyle, TextAlign? textAlign, TextDirection? textDirection, Locale? locale, bool? softWrap, TextOverflow? overflow, double? textScaleFactor, int? maxLines, TextWidthBasis? textWidthBasis, TextStyle? style, bool inherit = true, Color? color, Color? backgroundColor, String? fontFamily, List<String>? fontFamilyFallback, String? package, double? fontSize, FontWeight? fontWeight, FontStyle? fontStyle, double? letterSpacing, double? wordSpacing, TextBaseline? textBaseline, double? height, Paint? foreground, Paint? background, TextDecoration decoration = TextDecoration.none, Color? decorationColor, TextDecorationStyle? decorationStyle, double? decorationThickness, String? debugLabel, List<Shadow>? shadows, List<FontFeature>? fontFeatures, TextHeightBehavior? textHeightBehavior, Color? selectionColor})

const

BText.rich({Key? key, required List<String> texts, TextStyle? style, List<TextStyle> styles = const [], List<GestureRecognizer?> recognizers = const [], List<String> semanticsLabels = const [], StrutStyle? strutStyle, TextAlign? textAlign, TextDirection? textDirection, Locale? locale, bool? softWrap, TextOverflow? overflow, double? textScaleFactor, int? maxLines, TextWidthBasis? textWidthBasis, TextHeightBehavior? textHeightBehavior, bool inherit = true, Color? color, Color? backgroundColor, String? fontFamily, List<String>? fontFamilyFallback, String? package, double? fontSize, FontWeight? fontWeight, FontStyle? fontStyle, double? letterSpacing, double? wordSpacing, TextBaseline? textBaseline, double? height, Paint? foreground, Paint? background, TextDecoration decoration = TextDecoration.none, Color? decorationColor, TextDecorationStyle? decorationStyle, double? decorationThickness, String? debugLabel, List<Shadow>? shadows, List<FontFeature>? fontFeatures, Color? selectionColor})

与 RText 一致，仅增加 主题适配

const

Properties

background → Paint?

text的背景色

final

backgroundColor → Color?

final

color → Color?

字体颜色，注意： 如果有特殊的foreground，此值必须是null

final

debugLabel → String?

只在调试的使用

final

decoration → TextDecoration

text的划线 TextDecoration.none 没有 默认 TextDecoration.underline 下划线 TextDecoration.overline 上划线 TextDecoration.lineThrough 中间的线（删除线）

final

decorationColor → Color?

decoration划线的颜色

final

decorationStyle → TextDecorationStyle?

decoration划线的样式 TextDecorationStyle.solid实线 TextDecorationStyle.double 画两条线 TextDecorationStyle.dotted 点线（一个点一个点的） TextDecorationStyle.dashed 虚线（一个长方形一个长方形的线） TextDecorationStyle.wavy 正玄曲线

final

decorationThickness → double?

final

expand → SizedBox

Available on Widget, provided by the ExtensionWidget extension

no setter

expandedNull → Expanded

Available on Widget, provided by the ExtensionWidget extension

no setter

fontFamily → String?

final

fontFamilyFallback → List<String>?

final

fontFeatures → List<FontFeature>?

final

fontSize → double?

字体大小 默认的是 14

final

fontStyle → FontStyle?

FontStyle.normal正常 FontStyle.italic斜体

final

fontWeight → FontWeight?

字体的粗细程度 FontWeight.w100 -- FontWeight.w900 . 默认是FontWeight.w400，

final

foreground → Paint?

text的前景色，与 color 不能同时设置

final

hashCode → int

The hash code for this object.

no setter, inherited

height → double?

文本的高度 主要用于TextSpan 来设置不同的高度

final

inherit → bool

TextStyle 以下是字体样式 默认样式会继承层级最为接近的 DefaultTextStyle，为true 表示继承，false 表示完全重写

final

isRich → bool

final

key → Key?

Controls how one widget replaces another widget in the tree.

final, inherited

letterSpacing → double?

单个字母或者汉字的距离，默认是1.0，负数可以拉近距离

final

locale → Locale?

Locale，当相同的Unicode字符可以根据不同的地区以不同的方式呈现时，用于选择字体

final

maxLines → int?

int 设置文字的最大展示行数

final

overflow → TextOverflow?

TextOverflow，内容溢出时的处理方式

final

package → String?

final

recognizer → GestureRecognizer?

text手势

final

recognizers → List<GestureRecognizer?>

texts内手势

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

selectionColor → Color?

The color to use when painting the selection.

final

semanticsLabel → String?

text语义 - 语义描述标签，相当于此text的别名

final

semanticsLabels → List<String>

texts内语义 - 语义描述标签，相当于此text的别名

final

shadows → List<Shadow>?

将在text下方绘制的阴影列表

final

shrink → SizedBox

Available on Widget, provided by the ExtensionWidget extension

no setter

softWrap → bool?

bool 文本是否应在软换行时断行

final

strutStyle → StrutStyle?

StrutStyle,影响Text在垂直方向上的布局

final

style → TextStyle?

使劲此参数 以下单独字体样式无效

final

styles → List<TextStyle>

texts内样式

final

text → String

final

textAlign → TextAlign?

TextAlign,内容对齐方式

final

textBaseline → TextBaseline?

TextBaseline.ideographic用来对齐表意文字的水平线 TextBaseline.alphabetic 以标准的字母顺序为基线

final

textDirection → TextDirection?

TextDirection,内容的走向方式

final

textHeightBehavior → TextHeightBehavior?

final

texts → List<String>

排在第一个text后面

final

textScaleFactor → double?

double 设置文字的放大缩小，例如，fontSize=10，this.textScaleFactor=2.0，最终得到的文字大小为10*2.0

final

textWidthBasis → TextWidthBasis?

TextWidthBasis 测量一行或多行文本宽度

final

toRoutePageBuilder → RoutePageBuilder

Available on Widget, provided by the ExtensionWidget extension

no setter

toRouteTransitionsBuilder → RouteTransitionsBuilder

Available on Widget, provided by the ExtensionWidget extension

no setter

toSliverBox → Widget

Available on Widget, provided by the ExtensionWidget extension

no setter

toWidgetBuilder → WidgetBuilder

Available on Widget, provided by the ExtensionWidget extension

no setter

wordSpacing → double?

单词之间添加的空间间隔，负数可以拉近距离

final

Methods

align({Key? key, Alignment alignment = Alignment.center, double? widthFactor, double? heightFactor}) → Align

Available on Widget, provided by the ExtensionWidget extension

animatedAlign(Duration duration, {Key? key, Alignment alignment = Alignment.center, Curve curve = Curves.linear, VoidCallback? onEnd}) → AnimatedAlign

Available on Widget, provided by the ExtensionWidget extension

animatedContainer(Duration duration, {Key? key, Alignment? alignment, EdgeInsetsGeometry? padding, Color? color, Decoration? decoration, Decoration? foregroundDecoration, double? width, double? height, BoxConstraints? constraints, EdgeInsetsGeometry? margin, Matrix4? transform, Curve curve = Curves.linear, VoidCallback? onEnd}) → AnimatedContainer

Available on Widget, provided by the ExtensionWidget extension

animatedPadding({Key? key, Curve curve = Curves.linear, required Duration duration, required EdgeInsetsGeometry padding, VoidCallback? onEnd}) → AnimatedPadding

Available on Widget, provided by the ExtensionWidget extension

asList() → List<Widget>

Available on Widget, provided by the ExtensionWidget extension

backdropFilter({Key? key, ImageFilter? filter, double fuzzyDegree = 4}) → BackdropFilter

Available on Widget, provided by the ExtensionWidget extension

build(BuildContext context) → Widget

Describes the part of the user interface represented by this widget.

override

buildPageRoute<T>({bool maintainState = true, bool fullscreenDialog = false, String? title, required RoutePushStyle pushStyle, RouteSettings? settings}) → PageRoute<T>

Available on Widget, provided by the ExtensionWidget extension

card({Color? color, Color? shadowColor, double? elevation, ShapeBorder? shape, bool? borderOnForeground, EdgeInsetsGeometry? margin, Clip? clipBehavior, bool? semanticContainer}) → Card

Available on Widget, provided by the ExtensionWidget extension

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

Available on Widget, provided by the ExtensionWidget extension

clipOval({Key? key, BorderRadius borderRadius = BorderRadius.zero, CustomClipper<Rect>? clipper, Clip clipBehavior = Clip.antiAlias}) → ClipOval

Available on Widget, provided by the ExtensionWidget extension

clipPath({Key? key, BorderRadius borderRadius = BorderRadius.zero, CustomClipper<Path>? clipper, Clip clipBehavior = Clip.antiAlias}) → ClipPath

Available on Widget, provided by the ExtensionWidget extension

clipRRect({Key? key, BorderRadius borderRadius = BorderRadius.zero, CustomClipper<RRect>? clipper, Clip clipBehavior = Clip.antiAlias}) → ClipRRect

Available on Widget, provided by the ExtensionWidget extension

color(Color color, {Key? key}) → ColoredBox

Available on Widget, provided by the ExtensionWidget extension

constrainedBox(BoxConstraints constraints, {Key? key}) → ConstrainedBox

Available on Widget, provided by the ExtensionWidget extension

container({Key? key, EdgeInsetsGeometry? padding, Decoration? foregroundDecoration, Matrix4? transform, BoxConstraints? constraints, Color? color, double? width, double? height, EdgeInsetsGeometry? margin, Decoration? decoration, Clip? clipBehavior, AlignmentGeometry? alignment}) → Container

Available on Widget, provided by the ExtensionWidget extension

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.

override

decoratedBox(Decoration decoration, {Key? key, DecorationPosition position = DecorationPosition.background}) → DecoratedBox

Available on Widget, provided by the ExtensionWidget extension

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

Available on Widget, provided by the ExtensionWidget extension

fittedBox({Key? key, BoxFit fit = BoxFit.contain, AlignmentGeometry alignment = Alignment.center, Clip clipBehavior = Clip.none}) → FittedBox

Available on Widget, provided by the ExtensionWidget extension

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

Available on Widget, provided by the ExtensionWidget extension

fromSize(Size size, {Key? key}) → SizedBox

Available on Widget, provided by the ExtensionWidget extension

gestureDetector({Key? key, 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, GestureForcePressStartCallback? onForcePressStart, GestureForcePressPeakCallback? onForcePressPeak, GestureForcePressUpdateCallback? onForcePressUpdate, GestureForcePressEndCallback? onForcePressEnd, GestureDragDownCallback? onPanDown, GestureDragStartCallback? onPanStart, GestureDragUpdateCallback? onPanUpdate, GestureDragEndCallback? onPanEnd, GestureDragCancelCallback? onPanCancel, GestureScaleStartCallback? onScaleStart, GestureScaleUpdateCallback? onScaleUpdate, GestureScaleEndCallback? onScaleEnd, HitTestBehavior? behavior, bool excludeFromSemantics = false, DragStartBehavior dragStartBehavior = DragStartBehavior.start}) → GestureDetector

Available on Widget, provided by the ExtensionWidget extension

hero(Object tag, {Key? key, CreateRectTween? createRectTween, HeroFlightShuttleBuilder? flightShuttleBuilder, HeroPlaceholderBuilder? placeholderBuilder, bool transitionOnUserGestures = false}) → Hero

Available on Widget, provided by the ExtensionWidget extension

intoConstrainedBox(BoxConstraints constraints, {Key? key}) → ConstrainedBox

Available on Widget, provided by the ExtensionWidget extension

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

Available on Widget, provided by the ExtensionWidget extension

margin(EdgeInsetsGeometry margin, {Key? key}) → Padding

Available on Widget, provided by the ExtensionWidget extension

marginAll(double margin) → Widget

Available on Widget, provided by the ExtensionWidget 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 ExtensionWidget extension

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

Available on Widget, provided by the ExtensionWidget extension

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

offstage(bool offstage, {Key? key}) → Offstage

Available on Widget, provided by the ExtensionWidget extension

onDoubleTap(GestureTapCallback onDoubleTap, {Key? key}) → GestureDetector

Available on Widget, provided by the ExtensionWidget extension

onLongPress(GestureLongPressCallback onLongPress, {Key? key}) → GestureDetector

Available on Widget, provided by the ExtensionWidget extension

onTap(GestureTapCallback? onTap, {Key? key}) → GestureDetector

Available on Widget, provided by the ExtensionWidget extension

overflowBox({Key? key, Alignment alignment = Alignment.center, double? minWidth, double? maxWidth, double? minHeight, double? maxHeight}) → OverflowBox

Available on Widget, provided by the ExtensionWidget extension

padding(EdgeInsetsGeometry padding) → Padding

Available on Widget, provided by the ExtensionWidget extension

paddingAll(double padding) → Widget

Available on Widget, provided by the ExtensionWidget extension

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

Available on Widget, provided by the ExtensionWidget extension

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

Available on Widget, provided by the ExtensionWidget extension

popupBottomSheet<T>({WidgetBuilder? builder, BottomSheetOptions? options}) → Future<T?>

Available on Widget, provided by the ExtensionWidgetMethod extension

showModalBottomSheet 关闭 closePopup()

popupCupertinoDialog<T>({WidgetBuilder? builder, DialogOptions? options}) → Future<T?>

Available on Widget, provided by the ExtensionWidgetMethod extension

Cupertino 风格的 Dialog showCupertinoDialog

popupCupertinoModal<T>({WidgetBuilder? builder, CupertinoModalPopupOptions? options}) → Future<T?>

Available on Widget, provided by the ExtensionWidgetMethod extension

showCupertinoModalPopup 全屏显示

popupDialog<T>({RoutePageBuilder? builder, DialogOptions? options}) → Future<T?>

Available on Widget, provided by the ExtensionWidgetMethod extension

showGeneralDialog

popupMaterialDialog<T>({WidgetBuilder? builder, DialogOptions? options}) → Future<T?>

Available on Widget, provided by the ExtensionWidgetMethod extension

Material 风格的 Dialog showDialog

positioned({Key? key, double? left, double? top, double? right, double? bottom, double? width, double? height}) → Positioned

Available on Widget, provided by the ExtensionWidget extension

push<T extends Object?, TO extends Object?>({bool maintainState = true, bool fullscreenDialog = false, RoutePushStyle pushStyle = RoutePushStyle.material, RouteSettings? settings, bool replacement = false, TO? result}) → Future<T?>

Available on Widget, provided by the ExtensionWidgetMethod extension

push or pushReplacement

pushAndRemoveUntil<T extends Object?>({bool maintainState = true, bool fullscreenDialog = false, RoutePushStyle pushStyle = RoutePushStyle.material, RouteSettings? settings, RoutePredicate? predicate}) → Future<T?>

Available on Widget, provided by the ExtensionWidgetMethod extension

pushAndRemoveUntil

pushReplacement<T extends Object?, TO extends Object?>({bool maintainState = true, bool fullscreenDialog = false, RoutePushStyle pushStyle = RoutePushStyle.material, RouteSettings? settings, TO? result}) → Future<T?>

Available on Widget, provided by the ExtensionWidgetMethod extension

pushReplacement

rotatedBox(int quarterTurns, {Key? key}) → RotatedBox

Available on Widget, provided by the ExtensionWidget extension

setHeight(double height, {Key? key}) → SizedBox

Available on Widget, provided by the ExtensionWidget extension

setSize(Size size, {Key? key}) → SizedBox

Available on Widget, provided by the ExtensionWidget extension

setWidth(double width, {Key? key}) → SizedBox

Available on Widget, provided by the ExtensionWidget extension

showLoading({ModalWindowsOptions? options}) → ExtendedOverlayEntry?

Available on Widget, provided by the ExtensionWidgetMethod extension

ExtendedOverlay().showLoading(this)

showOverlay({bool autoOff = false}) → ExtendedOverlayEntry?

Available on Widget, provided by the ExtensionWidgetMethod extension

ExtendedOverlay().showOverlay()

singleChildScrollView({Key? key, Axis scrollDirection = Axis.vertical, bool reverse = false, EdgeInsetsGeometry? padding, bool? primary, ScrollPhysics? physics, ScrollController? controller, DragStartBehavior dragStartBehavior = DragStartBehavior.start}) → SingleChildScrollView

Available on Widget, provided by the ExtensionWidget extension

sizedBox({Key? key, double? width, double? height}) → SizedBox

Available on Widget, provided by the ExtensionWidget extension

sizedOverflowBox(Size size, {Key? key, Alignment alignment = Alignment.center}) → SizedOverflowBox

Available on Widget, provided by the ExtensionWidget extension

sliverToBoxAdapter({Key? key}) → SliverToBoxAdapter

Available on Widget, provided by the ExtensionWidget extension

statusBarStyle(SystemUiOverlayStyle style) → AnnotatedRegion<SystemUiOverlayStyle>

Available on Widget, provided by the ExtensionWidget extension

toDecoratorEntry({DecoratorPositioned positioned = DecoratorPositioned.outer, OverlayVisibilityMode mode = OverlayVisibilityMode.always}) → DecoratorEntry

Available on Widget, provided by the ExtensionWidget extension

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}) → Transform

Available on Widget, provided by the ExtensionWidget extension

unconstrainedBox({Key? key, TextDirection? textDirection, Alignment alignment = Alignment.center, Axis? constrainedAxis}) → UnconstrainedBox

Available on Widget, provided by the ExtensionWidget extension

visibility(bool visible, {Key? key}) → Visibility

Available on Widget, provided by the ExtensionWidget extension

Operators

operator ==(Object other) → bool

The equality operator.

inherited