Radio<T> class
Reusable Radio component for the Alter Design System.
Figma Specifications (Node 130:4532):
- Variants:
isSelected=False(130:4533): MUIradio_button_unchecked(Icons.radio_button_unchecked)isSelected=True(130:4535): MUIradio_button_checked(Icons.radio_button_checked)
- Default Dimensions: 24x24px (scalable via size parameter)
- Colors: AlterSemanticTokens.textPrimary (
#000000)
- Inheritance
Constructors
-
Radio({Key? key, bool isSelected = false, T? value, T? groupValue, ValueChanged<
T?> ? onChanged, ValueChanged<bool> ? onSelectedChanged, Color? activeColor, double size = 24.0}) -
Creates a Radio selection instance.
const
Properties
- activeColor → Color?
-
Color applied when the radio button is selected.
final
- groupValue → T?
-
The currently selected value of the radio group.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- isSelected → bool
-
Whether the radio is explicitly selected (standalone mode).
final
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
-
onChanged
→ ValueChanged<
T?> ? -
Callback executed with value when tapped in group mode.
final
-
onSelectedChanged
→ ValueChanged<
bool> ? -
Callback executed with boolean selection state when tapped.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- size → double
-
Width and height dimensions of the radio button (defaults to 24.0).
final
- value → T?
-
The value represented by this radio button in a group.
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