Gap class

A widget that takes a fixed amount of space in the direction of its parent.

It only works in the following cases:

See also:

  • MaxGap, a gap that can take, at most, the amount of space specified.
  • SliverGap, the sliver version of this widget.
Inheritance

Constructors

Gap(double mainAxisExtent, {Key? key, double? crossAxisExtent, Color? color})
Creates a widget that takes a fixed mainAxisExtent of space in the direction of its parent.
const
Gap.expand(double mainAxisExtent, {Key? key, Color? color})
Creates a widget that takes a fixed mainAxisExtent of space in the direction of its parent and expands in the cross axis direction.
const

Properties

color Color?
The color used to fill the gap.
final
crossAxisExtent double?
The amount of space this widget takes in the opposite direction of the parent.
final
hashCode int
The hash code for this object.
no setterinherited
key Key?
Controls how one widget replaces another widget in the tree.
finalinherited
mainAxisExtent double
The amount of space this widget takes in the direction of its parent.
final
runtimeType Type
A representation of the runtime type of the object.
no setterinherited

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.
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}) 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