BoxyColumn class Null safety

A widget that displays its children in a vertical array.

This is identical to Column but also accepts BoxyFlexible and Dominant children. The default crossAxisAlignment is also CrossAxisAlignment.stretch instead of CrossAxisAlignment.center.

During layout this widget searches for a Dominant child, if found the dominant child is layed out first and defines the maximum cross-axis of every non-dominant child in the flex.

Children can override their cross-axis alignment using BoxyFlexible.align.

Inheritance

Constructors

BoxyColumn({Key? key, MainAxisAlignment mainAxisAlignment = MainAxisAlignment.start, MainAxisSize mainAxisSize = MainAxisSize.max, CrossAxisAlignment crossAxisAlignment = CrossAxisAlignment.stretch, TextDirection? textDirection, VerticalDirection verticalDirection = VerticalDirection.down, TextBaseline? textBaseline, List<Widget> children = const <Widget>[], BoxyFlexIntrinsicsBehavior? intrinsicsBehavior})
Creates a vertical array of children. [...]

Properties

children List<Widget>
The widgets below this widget in the tree. [...]
final, inherited
crossAxisAlignment CrossAxisAlignment
How the children should be placed along the cross axis. [...]
final, inherited
direction Axis
The direction to use as the main axis. [...]
final, inherited
hashCode int
The hash code for this object. [...]
@nonVirtual, read-only, inherited
intrinsicsBehavior BoxyFlexIntrinsicsBehavior
The strategy of determining the cross-axis size of this flex when intrinsics are required. [...]
final, inherited
key Key?
Controls how one widget replaces another widget in the tree. [...]
final, inherited
mainAxisAlignment MainAxisAlignment
How the children should be placed along the main axis. [...]
final, inherited
mainAxisSize MainAxisSize
How much space should be occupied in the main axis. [...]
final, inherited
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited
textBaseline TextBaseline?
If aligning items according to their baseline, which baseline to use.
final, inherited
textDirection TextDirection?
Determines the order to lay children out horizontally and how to interpret start and end in the horizontal direction. [...]
final, inherited
verticalDirection VerticalDirection
Determines the order to lay children out vertically and how to interpret start and end in the vertical direction. [...]
final, inherited

Methods

createElement() MultiChildRenderObjectElement
RenderObjectWidgets always inflate to a RenderObjectElement subclass.
inherited
createRenderObject(BuildContext context) RenderBoxyFlex
Creates an instance of the RenderObject class that this RenderObjectWidget represents, using the configuration described by this RenderObjectWidget. [...]
inherited
debugDescribeChildren() List<DiagnosticsNode>
Returns a list of DiagnosticsNode objects describing this node's children. [...]
@protected, inherited
debugFillProperties(DiagnosticPropertiesBuilder properties) → void
Add additional properties associated with the node. [...]
inherited
didUnmountRenderObject(covariant RenderObject renderObject) → void
A render object previously associated with this widget has been removed from the tree. The given RenderObject will be of the same type as returned by this object's createRenderObject.
@protected, inherited
getEffectiveTextDirection(BuildContext context) TextDirection?
The value to pass to RenderBoxyFlex.textDirection. [...]
@protected, 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
updateRenderObject(BuildContext context, covariant RenderBoxyFlex renderObject) → void
Copies the configuration described by this RenderObjectWidget to the given RenderObject, which will be of the same type as returned by this object's createRenderObject. [...]
inherited

Operators

operator ==(Object other) bool
The equality operator. [...]
@nonVirtual, inherited