Keyboard class

A custom numeric keyboard widget.

This keyboard is intended for phone number input or similar numeric input scenarios. It shows a keypad with digits 0-9 and symbols '*' and '#'.

Callbacks can be used to listen to input changes or actions such as tapping a call button.

Inheritance

Constructors

Keyboard({Key? key, dynamic onChanged(String value)?, dynamic onTapCall(String value)?, dynamic onShown()?, dynamic onDismissed()?})
Creates a Keyboard widget.
const

Properties

hashCode → int
The hash code for this object.
no setterinherited
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
onChanged → dynamic Function(String value)?
Callback invoked whenever the input value changes.
final
onDismissed → dynamic Function()?
Callback invoked when the keyboard is dismissed.
final
onShown → dynamic Function()?
Callback invoked when the keyboard is shown.
final
onTapCall → dynamic Function(String value)?
Callback invoked when the "call" action is tapped.
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<Keyboard>
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