KeyCell class

A single key cell used in the OnScreenKeyPad.

This widget represents a numeric key or special function key (e.g., backspace).

Inheritance

Constructors

KeyCell({Key? key, bool enableHapticFeedback = false, EdgeInsets? keyPadding, required BoxShape keyShape, Color? splashColor, Color? highlightColor, Color? backgroundColor, void onTap(String)?, required String value, TextStyle? style, HapticFeedbackType? hapticFeedbackType})
Creates a standard numeric key.
const
KeyCell.withChild({Key? key, bool enableHapticFeedback = false, EdgeInsets? keyPadding, required BoxShape keyShape, Color? splashColor, Color? highlightColor, Color? backgroundColor, void onTap(String)?, Widget? child, required String value, TextStyle? style, HapticFeedbackType? hapticFeedbackType})
Creates a key with a custom child widget (e.g., an icon).
const

Properties

backgroundColor Color?
Background color of the key.
final
child Widget?
Optional child widget inside the key (e.g., an icon).
final
enableHapticFeedback bool
Enables or disables haptic feedback.
final
hapticFeedbackType HapticFeedbackType?
Type of haptic feedback to apply when the key is pressed.
final
hashCode int
The hash code for this object.
no setterinherited
highlightColor Color?
Highlight color effect on tap.
final
key Key?
Controls how one widget replaces another widget in the tree.
finalinherited
keyPadding EdgeInsets?
Padding around the key.
final
keyShape BoxShape
The shape of the key (rectangle or circle).
final
onTap → void Function(String)?
Callback triggered when the key is tapped.
final
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
splashColor Color?
Splash color effect on tap.
final
style TextStyle?
Text style for the key value.
final
value String
The text value of the key.
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.
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