AnimatedSize class
Animated widget that automatically transitions its size over a given duration whenever the given child's size changes.
This example defines a widget that uses AnimatedSize to change the size of
the SizedBox on tap.
link
To create a local project with this code sample, run:
flutter create --sample=widgets.AnimatedSize.1 mysample
See also:
- SizeTransition, which changes its size based on an Animation.
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- AnimatedSize
Constructors
- AnimatedSize({Key? key, Widget? child, AlignmentGeometry alignment = Alignment.center, Curve curve = Curves.linear, required Duration duration, Duration? reverseDuration, Clip clipBehavior = Clip.hardEdge, VoidCallback? onEnd})
-
Creates a widget that animates its size to match that of its child.
const
Properties
- alignment → AlignmentGeometry
-
The alignment of the child within the parent when the parent is not yet
the same size as the child.
final
- child → Widget?
-
The widget below this widget in the tree.
final
- clipBehavior → Clip
-
The content will be clipped (or not) according to this option.
final
- curve → Curve
-
The animation curve when transitioning this widget's size to match the
child's size.
final
- duration → Duration
-
The duration when transitioning this widget's size to match the child's
size.
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 → VoidCallback?
-
Called every time an animation completes.
final
- reverseDuration → Duration?
-
The duration when transitioning this widget's size to match the child's
size when going in reverse.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createState(
) → State< AnimatedSize> -
Creates the mutable state for this widget at a given location in the tree.
override
-
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