ContainerEx class

扩展模式, 加入自动配置背景色

Inheritance

Constructors

ContainerEx({Key? key, Color? color, Widget? child, AlignmentGeometry? alignment, EdgeInsetsGeometry? padding, Decoration? decoration, Decoration? foregroundDecoration, BoxConstraints? constraints, EdgeInsetsGeometry? margin, Matrix4? transform, Clip clipBehavior = Clip.none, Brightness? brightness, double? height, double? width, bool isSquare = false})
const
ContainerEx.square({Key? key, required double? size, Color? color, Widget? child, AlignmentGeometry? alignment, EdgeInsetsGeometry? padding, Decoration? decoration, Decoration? foregroundDecoration, BoxConstraints? constraints, EdgeInsetsGeometry? margin, Matrix4? transform, Clip clipBehavior = Clip.none, Brightness? brightness})
const

Properties

alignment AlignmentGeometry?
Align the child within the container.
final
brightness Brightness?
final
child Widget?
The child contained by the container.
final
clipBehavior Clip
The clip behavior when Container.decoration has a clipPath.
final
color Color?
The color to paint behind the child.
final
constraints BoxConstraints?
Additional constraints to apply to the child.
final
decoration Decoration?
The decoration to paint behind the child.
final
foregroundDecoration Decoration?
The decoration to paint in front of the child.
final
hashCode int
The hash code for this object.
no setterinherited
height double?
final
isSquare bool
宽高适配一致 适合方形
final
key Key?
Controls how one widget replaces another widget in the tree.
finalinherited
margin EdgeInsetsGeometry?
Empty space to surround the decoration and child.
final
padding EdgeInsetsGeometry?
Empty space to inscribe inside the decoration. The child, if any, is placed inside this padding.
final
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
size double?
final
transform Matrix4?
The transformation matrix to apply before painting the container.
final
width double?
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.
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