NumberPicker class
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatelessWidget
- NumberPicker
Constructors
-
NumberPicker({Key? key, double diameterRatio = kDefaultDiameterRatio, Color? backgroundColor, double offAxisFraction = 0.0, bool useMagnifier = false, double magnification = 1.0, FixedExtentScrollController? scrollController, double squeeze = kSqueeze, Widget? selectionOverlay = const DefaultSelectionOverlay(), bool looping = false, required double itemExtent, required ValueChanged<
num> ? onSelectedItemChanged, required num max, required num min, required num interval, NumIndexFormatter? indexFormat, TextStyle? textStyle, Widget? label, EdgeInsetsGeometry? labelPadding, AlignmentGeometry labelAlignment = Alignment.center})
Properties
- backgroundColor → Color?
-
final
- diameterRatio → double
-
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- indexFormat → NumIndexFormatter?
-
final
- interval → num
-
final
- itemExtent → double
-
final
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- label → Widget?
-
final
- labelAlignment → AlignmentGeometry
-
final
- labelPadding → EdgeInsetsGeometry?
-
final
- looping → bool
-
final
- magnification → double
-
final
- max → num
-
final
- min → num
-
final
- offAxisFraction → double
-
final
-
onSelectedItemChanged
→ ValueChanged<
num> ? -
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- scrollController → FixedExtentScrollController?
-
final
- selectionOverlay → Widget?
-
final
- squeeze → double
-
final
- textStyle → TextStyle?
-
final
- useMagnifier → bool
-
final
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
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