ContainerEx class
扩展模式， 加入自动配置背景色
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatelessWidget
- ContainerEx
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
DiagnosticsNodeobjects 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