RenderObjectWidgets provide the configuration for RenderObjectElements, which wrap RenderObjects, which provide the actual rendering of the application.

Inheritance

Constructors

RenderObjectWidget({Key key })

Abstract const constructor. This constructor enables subclasses to provide const constructors so that they can be used in const expressions.

const

Properties

hashCode int

The hash code for this object.

read-only, 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.

read-only, inherited

Operators

operator ==(other) bool

The equality operator.

inherited

Methods

createElement() RenderObjectElement

RenderObjectWidgets always inflate to a RenderObjectElement subclass.

createRenderObject(BuildContext context) RenderObject

Creates an instance of the RenderObject class that this RenderObjectWidget represents, using the configuration described by this RenderObjectWidget.

protected
didUnmountRenderObject(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
updateRenderObject(BuildContext context, RenderObject, 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.

protected
debugFillDescription(List<String> description) → void

Add additional information to the given description for use by toString.

mustCallSuper, protected, inherited
noSuchMethod(Invocation invocation) → dynamic

Invoked when a non-existent method or property is accessed.

inherited
toString() String

Returns a string representation of this object.

inherited
toStringShort() String

A short, textual description of this widget.

inherited