PinNumericKeypad class
A custom numeric keypad for PIN entry.
Displays a 4×3 grid: digits 1–9, a "00" key, 0, and a backspace key. The host screen manages the PIN string; this widget simply reports key presses via onKeyPressed and onBackspace.
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatelessWidget
- PinNumericKeypad
Constructors
-
PinNumericKeypad({Key? key, required ValueChanged<
String> onKeyPressed, required VoidCallback onBackspace, required VoidCallback onClear, double keyHeight = 56, bool enabled = true}) -
const
Properties
- enabled → bool
-
Whether the keypad is enabled.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- keyHeight → double
-
Height of each key button.
final
- onBackspace → VoidCallback
-
Called when the backspace key is tapped.
final
- onClear → VoidCallback
-
Called when the clear key is tapped.
final
-
onKeyPressed
→ ValueChanged<
String> -
Called when a digit key (0–9 or "00") is tapped.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
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