DynamicCalculator class

DynamicCalculator

{@tool sample}

This example shows a simple DynamicCalculator.

DynamicCalculator(
  value: 123.45,
  hideExpression: true,
  onChanged: (key, value, expression) {
    /*...*/
  },
  theme: const CalculatorThemeData(
    displayColor: Colors.black,
    displayStyle: const TextStyle(fontSize: 80, color: Colors.yellow),
  ),
)

{@end-tool}

Inheritance

Constructors

DynamicCalculator({Key? key, CalculatorTheme? theme, bool hideExpression = false, bool? showCalculatorDisplay = false, double value = 0, CalcChanged? onChanged, dynamic onTappedDisplay(double?, TapDownDetails)?, NumberFormat? numberFormat, int maximumDigits = 10, bool hideSurroundingBorder = false, bool autofocus = false, FocusNode? focusNode, CalculatorController? controller})
const

Properties

autofocus → bool
True if this widget will be selected as the initial focus when no other node in its scope is currently focused.
final
controller → CalculatorController?
Controller for calculator.
final
focusNode → FocusNode?
An optional focus node to use as the focus node for this widget.
final
hashCode → int
The hash code for this object.
no setterinherited
hideExpression → bool
Whether to show expression area.
final
hideSurroundingBorder → bool
Whether to show surrounding borders.
final
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
maximumDigits → int
Maximum number of digits on display.
final
numberFormat → NumberFormat?
The NumberFormat used for display
final
onChanged → CalcChanged?
Called when the button is tapped or the value is changed.
final
onTappedDisplay → (dynamic Function(double?, TapDownDetails)?)
Called when the display area is tapped.
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
showCalculatorDisplay → bool?
Whether to show calculator display.
final
theme → CalculatorTheme?
Visual properties for this widget.
final
value → double
The value currently displayed on this calculator.
final

Methods

createElement() → StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() → DynamicCalculatorState
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}) → 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