Animates its own size and clips and aligns the child.

For a widget that automatically animates between the sizes of two children, fading between them, see AnimatedCrossFade.

Inheritance

Constructors

SizeTransition({Key key, Axis axis: Axis.vertical, @required Animation<double> sizeFactor, double axisAlignment: 0.0, Widget child })
Creates a size transition. [...]
const

Properties

axis Axis
Axis.horizontal if sizeFactor modifies the width, otherwise Axis.vertical.
final
axisAlignment double
How to align the child along the axis that sizeFactor is modifying.
final
child Widget
The widget below this widget in the tree.
final
sizeFactor Animation<double>
The animation that controls the (clipped) size of the child. If the current value of sizeFactor is v then the width or height of the widget will be its intrinsic width or height multiplied by v.
read-only
hashCode int
The hash code for this object. [...]
read-only, inherited
key Key
Controls how one widget replaces another widget in the tree. [...]
final, inherited
listenable Listenable
The Listenable to which this widget is listening. [...]
final, inherited
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited

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).
createElement() StatefulElement
Creates a StatefulElement to manage this widget's location in the tree. [...]
inherited
createState() → _AnimatedState
Subclasses typically do not override this method.
inherited
debugDescribeChildren() List<DiagnosticsNode>
Returns a list of DiagnosticsNode objects describing this node's children. [...]
@protected, inherited
debugFillProperties(DiagnosticPropertiesBuilder description) → void
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 toStringDeep. [...]
inherited
toString({DiagnosticLevel minLevel: DiagnosticLevel.debug }) String
Returns 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 ==(other) bool
The equality operator. [...]
inherited