NumberPicker class Null safety

Inheritance

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. [...]
@nonVirtual, read-only, inherited
indexFormat NumIndexFormatter?
final
interval num
final
itemExtent double
final
key Key?
Controls how one widget replaces another widget in the tree. [...]
final, inherited
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.
read-only, inherited
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 DiagnosticsNode objects describing this node's children. [...]
@protected, inherited
debugFillProperties(DiagnosticPropertiesBuilder properties) → void
Add additional properties associated with the node. [...]
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 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. [...]
@nonVirtual, inherited