NumberInput class

A widget representing a number input field.

The NumberInput widget allows users to input numerical values with decimal support. It provides callbacks for value changes and submission events.

Example usage:

NumberInput(
  initialValue: 0.0,
  onChanged: (value) => print('New value: $value'),
  onSubmitted: (value) => print('New value: $value submitted'),
)
Inheritance

Constructors

NumberInput({Key? key, required double initialValue, required ValueChanged<double> onChanged, required Function onSubmitted})
Creates a NumberInput widget.
const

Properties

hashCode → int
The hash code for this object.
no setterinherited
initialValue → double
The initial value of the number input field.
final
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
onChanged → ValueChanged<double>
Callback function when the value changes.
final
onSubmitted → Function
Callback function when Enter is pressed.
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<NumberInput>
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