Gap class

A utility class for creating SizedBox with custom height and width.

Inheritance

• Object
• DiagnosticableTree
• Widget
• StatelessWidget
• Gap

Available extensions

• WidgetSpacingExtensions

Constructors

Gap({Key? key, double? h, double? w})

const

Properties

h → double?

final

hashCode → int

The hash code for this object.

no setter, inherited

key → Key?

Controls how one widget replaces another widget in the tree.

final, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

w → double?

final

Methods

align(Alignment alignment) → Widget

Available on Widget, provided by the WidgetSpacingExtensions extension

Aligns the widget

build(BuildContext context) → Widget

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

override

center() → Widget

Available on Widget, provided by the WidgetSpacingExtensions extension

Centers the widget

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

decorated({Color? color, BorderRadius? borderRadius, Border? border, List<BoxShadow>? boxShadow, Gradient? gradient}) → Widget

Available on Widget, provided by the WidgetSpacingExtensions extension

Adds a decorated container around widget

expand({int flex = 1}) → Widget

Available on Widget, provided by the WidgetSpacingExtensions extension

Expands the widget

flexible({int flex = 1, FlexFit fit = FlexFit.loose}) → Widget

Available on Widget, provided by the WidgetSpacingExtensions extension

Makes widget flexible

margin(EdgeInsets margin) → Widget

Available on Widget, provided by the WidgetSpacingExtensions extension

Adds margin using Container

marginAll(double margin) → Widget

Available on Widget, provided by the WidgetSpacingExtensions extension

Adds margin to all sides

marginOnly({double left = 0, double top = 0, double right = 0, double bottom = 0}) → Widget

Available on Widget, provided by the WidgetSpacingExtensions extension

Adds margin to specific sides

marginSymmetric({double horizontal = 0, double vertical = 0}) → Widget

Available on Widget, provided by the WidgetSpacingExtensions extension

Adds symmetric margin

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

padding(EdgeInsets padding) → Widget

Available on Widget, provided by the WidgetSpacingExtensions extension

Adds padding to widget

paddingAll(double padding) → Widget

Available on Widget, provided by the WidgetSpacingExtensions extension

Adds padding to all sides

paddingOnly({double left = 0, double top = 0, double right = 0, double bottom = 0}) → Widget

Available on Widget, provided by the WidgetSpacingExtensions extension

Adds padding to specific sides

paddingSymmetric({double horizontal = 0, double vertical = 0}) → Widget

Available on Widget, provided by the WidgetSpacingExtensions extension

Adds symmetric padding to widget

responsive(BuildContext context, {Widget mobile(Widget)?, Widget tablet(Widget)?, Widget desktop(Widget)?}) → Widget

Available on Widget, provided by the WidgetSpacingExtensions extension

Adds a card-like decoration

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

Constants

bottomBarGap → const Gap

h4 → const Gap

h8 → const Gap

h12 → const Gap

h16 → const Gap

h20 → const Gap

h24 → const Gap

h32 → const Gap

h40 → const Gap

h48 → const Gap

h56 → const Gap

h64 → const Gap

w4 → const Gap

w8 → const Gap

w12 → const Gap

w16 → const Gap

w20 → const Gap

w24 → const Gap

w32 → const Gap

w40 → const Gap

w48 → const Gap

w64 → const Gap