RenderObjectElement class

An Element that owns a RenderObjectWidget, analogous to Flutter's RenderObjectElement.

Creates and manages the associated RenderObject lifecycle.

Inheritance
Implemented types
Implementers
Available extensions

Constructors

RenderObjectElement(RenderObjectWidget widget)
Creates a RenderObjectElement for the given widget.

Properties

dirty ↔ bool
Whether this element has been marked as needing to be rebuilt.
getter/setter pairinherited
focusManager → FocusManager

Available on BuildContext, provided by the BuildContextNavigation extension

Returns the singleton FocusManager instance.
no setter
hashCode → int
The hash code for this object.
no setterinherited

Available on BuildContext, provided by the BuildContextNavigation extension

Returns the NavigatorState of the nearest Navigator ancestor.
no setter
parent → Element?
The parent of this element in the tree, or null if this is the root.
no setterinherited
renderObject → RenderObject?
The RenderObject associated with this element, if any.
no setterinherited
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
widget ↔ Widget
The current configuration of this element.
getter/setter pairinherited

Methods

dependOnInheritedWidgetOfExactType<T extends InheritedWidget>() → T?
Obtains the nearest InheritedWidget of type T and registers this element as a dependent so it rebuilds when the inherited widget changes.
inherited
findAncestorElementOfExactType<T extends InheritedWidget>() → InheritedElement?
Returns the nearest InheritedElement of type T.
inherited
findAncestorWidgetOfExactType<T extends Widget>() → T?
Returns the nearest ancestor widget of the given type T.
inherited
markNeedsBuild() → void
Marks this element as needing to be rebuilt in the next frame.
inherited
mount(Element? parent) → void
Adds this element to the tree at the given parent.
override
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toString() → String
A string representation of this object.
inherited
unmount() → void
Removes this element from the tree and releases resources.
inherited
update(Widget newWidget) → void
Updates the widget configuration to newWidget.
override
updateChild(Element? child, Widget newWidget) → Element?
Updates the given child to use the given newWidget, returning the updated or newly created child element.
inherited
visitChildren(void visitor(Element e)) → void
Calls visitor for each direct child of this element.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited