DecoratedBoxTransition class Null safety

Animated version of a DecoratedBox that animates the different properties of its Decoration.

Here's an illustration of the DecoratedBoxTransition widget, with it's decoration animated by a CurvedAnimation set to Curves.decelerate:

The following code implements the DecoratedBoxTransition as seen in the video above:
link

To create a local project with this code sample, run:
flutter create --sample=widgets.DecoratedBoxTransition.1 mysample

See also:

Inheritance

Constructors

DecoratedBoxTransition({Key? key, required Animation<Decoration> decoration, DecorationPosition position = DecorationPosition.background, required Widget child})
Creates an animated DecoratedBox whose Decoration animation updates the widget.
const

Properties

child → Widget
The widget below this widget in the tree.
final
decoration → Animation<Decoration>
Animation of the decoration to paint.
final
hashCode → int
The hash code for this object.
read-onlyinherited
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
listenable → Listenable
The Listenable to which this widget is listening.
finalinherited
position → DecorationPosition
Whether to paint the box decoration behind or in front of the child.
final
runtimeType → Type
A representation of the runtime type of the object.
read-onlyinherited

Methods

build(BuildContext context) → Widget
Override this method to build widgets that depend on the state of the listenable (e.g., the current value of the animation).
override
createElement() → StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() → State<AnimatedWidget>
Subclasses typically do not override this method.
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 non-existent 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