DecoratedBoxTransitionModifier class

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:

{@tool dartpad} The following code implements the DecoratedBoxTransition as seen in the video above:

** See code in examples/api/lib/widgets/transitions/decorated_box_transition.0.dart ** {@end-tool}

See also:

Inheritance
Available extensions

Constructors

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

Properties

decoration Animation<Decoration>
Animation of the decoration to paint.
final
hashCode int
The hash code for this object.
no setterinherited
key Key?
Controls how one widget replaces another widget in the tree.
finalinherited
modifierKey Key?
The actual key of the widget, which Modifier wrapped
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.
no setterinherited

Methods

build(BuildContext context) Widget
Describes the part of the user interface represented by this widget.
inherited
buildWithChild(BuildContext context, Widget? child) Widget
A build method that receives an extra child parameter.
override
createElement() SingleChildStatelessElement
Create a SingleChildStatelessElement
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
modified() Modifier

Available on Widget, provided by the ModifierTransformer extension

Transform normal widget to Modifier
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, int wrapWidth = 65}) 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