VirtualKeyboard class

A custom virtual keyboard widget for Flutter.

This widget provides a virtual keyboard with different layouts (numeric, alphanumeric, symbolic) that can be used in text input fields. It is highly customizable with options like font size, text color, and the ability to define the input pattern using regular expressions.

Inheritance

Constructors

VirtualKeyboard({Key? key, required VirtualKeyboardType type, required TextEditingController textController, Widget builder(BuildContext context, VirtualKeyboardKey key)?, double height = _virtualKeyboardDefaultHeight, Color textColor = Colors.black, double fontSize = 20, bool alwaysCaps = false, required RegExp exp})
Creates a new instance of the VirtualKeyboard.
const

Properties

alwaysCaps → bool
Determines whether the keyboard should always show capital letters.
final
builder → Widget Function(BuildContext context, VirtualKeyboardKey key)?
An optional custom builder for rendering individual keys on the keyboard.
final
exp → RegExp
A regular expression for validating the text input.
final
fontSize → double
The font size of the text on the keyboard keys.
final
hashCode → int
The hash code for this object.
no setterinherited
height → double
The height of the virtual keyboard.
final
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
textColor → Color
The text color of the keys.
final
textController → TextEditingController
The TextEditingController to bind the keyboard input to a text field.
final
type → VirtualKeyboardType
The layout type of the virtual keyboard (numeric, alphanumeric, symbolic, dual).
final

Methods

createElement() → StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() → State<StatefulWidget>
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