ContainerIndicator class Null safety

A widget that displays an child. The child if null, the indicator is not visible.

Inheritance

Constructors

ContainerIndicator({Key? key, double? size, double? position, Widget? child})
Creates a container indicator.
const

Properties

border BoxBorder?
The border to use when drawing the dot's outline.
finalinherited
child Widget?
The widget below this widget in the tree.
final
color Color?
The color to use when drawing the dot.
finalinherited
hashCode int
The hash code for this object.
@nonVirtualread-onlyinherited
key Key?
Controls how one widget replaces another widget in the tree.
finalinherited
position double?
The position of a indicator between the two connectors.
finalinherited
runtimeType Type
A representation of the runtime type of the object.
read-onlyinherited
size double?
The size of the dot in logical pixels.
finalinherited

Methods

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.
@protectedinherited
debugFillProperties(DiagnosticPropertiesBuilder properties) → void
Add additional properties associated with the node.
inherited
getEffectiveColor(BuildContext context) Color
inherited
getEffectivePosition(BuildContext context) double
inherited
getEffectiveSize(BuildContext context) double?
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent 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}) 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

Operators

operator ==(Object other) bool
The equality operator.
@nonVirtualinherited