FortuneWidget class abstract
A FortuneWidget visualizes (random) selection processes by iterating over a list of items before settling on a selected item.
See also:
- Implemented types
- Implementers
Constructors
Properties
- animateFirst → bool
-
Determines if this widget animates during its first build.
no setter
- curve → Curve
-
The type of curve to use for easing the animation when selected changes.
no setter
- duration → Duration
-
The animation duration used for FortuneCurve.spin
within FortuneWidget instances.
no setter
- hashCode → int
-
The hash code for this object.
no setterinherited
-
indicators
→ List<
FortuneIndicator> -
The list of indicators is rendered on top of the underlying
FortuneWidget. These can be used to visualize the position of the
selected item.
no setter
-
items
→ List<
FortuneItem> -
A list of
FortuneItems to be shown within this FortuneWidget.no setter - key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- onAnimationEnd → VoidCallback?
-
Called when this widget's animation ends.
Useful for enabling other widgets after the animation ends.
no setter
- onAnimationStart → VoidCallback?
-
Called when this widget starts an animation.
Useful for disabling other widgets during the animation.
no setter
- onFling → VoidCallback?
-
Called when a fling gesture is detected by the active physics.
no setter
- physics → PanPhysics
-
The behavior used for handling pan events on this widget.
no setter
- rotationCount → int
-
The number of times a FortuneWidget rotates around all
items before it settles on the selected value.
no setter
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
-
selected
→ Stream<
int> -
A stream notifying this widget that a new value within items was
selected.Used by FortuneWidgets to align indicators on the selected
item.
no setter
- styleStrategy → StyleStrategy
-
The strategy to use for styling individual items when they have no
dedicated FortuneItem.style.
no setter
Methods
-
createElement(
) → Element -
Inflates this configuration to a concrete instance.
inherited
-
debugDescribeChildren(
) → List< DiagnosticsNode> -
Returns a list of
DiagnosticsNodeobjects 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}) → 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
Constants
- kDefaultDuration → const Duration
- The default value for duration (currently 5 seconds).
- kDefaultRotationCount → const int
- The default value for rotationCount (currently 100).