FocusBorder class

A focus border creates an animated border around a widget whenever it has the application primary focus.

FocusBorder Preview

Inheritance
Available extensions

Constructors

FocusBorder({Key? key, required Widget child, bool focused = true, FocusThemeData? style, bool? renderOutside, bool useStackApproach = true})
Creates a focus border.
const

Properties

child Widget
The child that will receive the border
final
focused bool
Whether to show the border. Defaults to true
final
hashCode int
The hash code for this object.
no setterinherited
key Key?
Controls how one widget replaces another widget in the tree.
finalinherited
renderOutside bool?
Whether the border should be rendered outside of the box or not.
final
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
style FocusThemeData?
The style of this focus border.
final
useStackApproach bool
Whether wrapping the widget in a stack is the approach that is going to be used to render the box. If false, a transparent border is created around the child as a placeholder, and the real border is only displayed when focused is true.
final

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.
inherited
debugFillProperties(DiagnosticPropertiesBuilder properties) → void
Add additional properties associated with the node.
override
getProperty<T>([dynamic def]) → T?

Available on Widget, provided by the ItemExtension extension

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

Operators

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