SingleChildRenderObjectWidget class abstract

A render-object widget that wraps exactly one child.

Inheritance

• Object
• Widget
• RenderObjectWidget
• SingleChildRenderObjectWidget

Implementers

• AbsorbPointer
• Align
• AspectRatio
• BoundsAnchor
• BoundsObserver
• Center
• ConstrainedBox
• ErrorBoundary
• Flexible
• IntrinsicHeight
• IntrinsicWidth
• Padding
• Positioned
• RepaintBoundary
• SizedBox

Available extensions

• AnimateExtension

Constructors

SingleChildRenderObjectWidget({Key? key, Widget? child})

const

Properties

child → Widget?

The widget below this widget in the tree.

final

hashCode → int

The hash code for this object.

no setter, inherited

key → Key?

final, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

animate({Duration? duration, Curve? curve, Object? trigger, bool repeat = false}) → Animate

Available on Widget, provided by the AnimateExtension extension

Starts an Animate chain over this widget. duration / curve apply to the whole chain. With no trigger it plays on mount; with a non-null trigger it rests on mount and replays whenever the token changes.

createElement() → SingleChildRenderObjectElement

Creates the Element that will mount this widget into the tree.

override

createRenderObject(BuildContext context) → RenderObject

Creates the render object backing this widget. Called once when the element first mounts.

inherited

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

updateRenderObject(BuildContext context, covariant RenderObject renderObject) → void

Applies any changes from a new widget instance to the existing render object. Default is a no-op; subclasses override when the widget carries layout/paint configuration.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited