AnimatedPadding class

Animated version of Padding which automatically transitions the indentation over a given duration whenever the given inset changes.

Here's an illustration of what using this widget looks like, using a curve of Curves.fastOutSlowIn.

{@tool dartpad} The following code implements the AnimatedPadding widget, using a curve of Curves.easeInOut.

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

See also:

Inheritance

Constructors

AnimatedPadding({Key? key, required EdgeInsetsGeometry padding, Widget? child, Curve curve = Curves.linear, required Duration duration, void onEnd()?})
Creates a widget that insets its child by a value that animates implicitly.

Properties

child Widget?
The widget below this widget in the tree.
final
curve Curve
The curve to apply when animating the parameters of this container.
final
duration Duration
The duration over which to animate the parameters of this container.
final
hashCode int
The hash code for this object.
no setterinherited
key Key?
Controls how one widget replaces another widget in the tree.
finalinherited
onEnd → void Function()?
Called every time an animation completes.
final
padding EdgeInsetsGeometry
The amount of space by which to inset 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.
override
createElement() StatelessElement
Creates a StatelessElement to manage this widget's location in the tree.
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 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