TxBadge class

材料设计“徽章”。

徽章的 label 传达有关其 child 的少量信息，例如计数或状态。如果标签为 null，则这是一个“小”徽章，显示为 smallSize 直径填充圆圈。否则，这是一个 StadiumBorder 形状的“大”徽章，高度为 largeSize。

徽章通常用于装饰 BottomNavigationBarItem 或 NavigationRailDestination 或按钮图标中的图标，如 TextButton.icon。徽章的默认配置旨在与默认大小(24)的 Icon 配合使用。

Inheritance

Constructors

TxBadge({Key? key, Color? backgroundColor, Color? textColor, double? smallSize, double? largeSize, TextStyle? textStyle, EdgeInsetsGeometry? padding, AlignmentGeometry? alignment, Offset? offset, Widget? label, bool isLabelVisible = true, Widget? child, ShapeBorder? shape}): 创建一个徽章，将 label 堆叠在 child 之上。
const
TxBadge.count({required int count, Key? key, Color? backgroundColor, Color? textColor, double? smallSize, double? largeSize, TextStyle? textStyle, EdgeInsetsGeometry? padding, AlignmentGeometry? alignment, Offset? offset, bool isLabelVisible = true, Widget? child, ShapeBorder? shape}): 方便的构造函数，用于创建带有基于 count 的 1-3 位数字标签的徽章。

alignment → AlignmentGeometry?: 结合 offset 以确定 label 相对于 child 的位置。
final
backgroundColor → Color?: 徽章的填充颜色。
final
child → Widget?: 徽章堆叠在顶部的小组件。
final
hashCode → int: The hash code for this object.
no setterinherited
isLabelVisible → bool: 如果为 false，则不包括徽章的 label。
final
key → Key?: Controls how one widget replaces another widget in the tree.
finalinherited
label → Widget?: 徽章的内容，通常是包含 1 到 4 个字符的 Text 小组件。
final
largeSize → double?: 如果 label 为非空，则徽章的高度。
final
offset → Offset?: 结合 alignment 以确定 label 相对于 child 的位置。
final
padding → EdgeInsetsGeometry?: 添加到徽章标签的填充。
final
runtimeType → Type: A representation of the runtime type of the object.
no setterinherited
shape → ShapeBorder?: 徽章的形状
final
smallSize → double?: 如果 label 为 null，则徽章的直径。
final
textColor → Color?: 徽章的 label 文本的颜色。
final
textStyle → TextStyle?: 锁屏提醒标签的 DefaultTextStyle。
final

build(BuildContext context) → Widget: Describes the part of the user interface represented by this widget.
override
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
noSuchMethod(Invocation invocation) → dynamic: Invoked when a nonexistent method or property is accessed.
inherited
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