IconThemeData class Null safety

Defines the size, font variations, color, opacity, and shadows of icons.

Used by IconTheme to control those properties in a widget subtree.

To obtain the current icon theme, use IconTheme.of. To convert an icon theme to a version with all the fields filled in, use IconThemeData.fallback.

Mixed in types

Implementers

Annotations

Constructors

IconThemeData({double? size, double? fill, double? weight, double? grade, double? opticalSize, Color? color, double? opacity, List<Shadow>? shadows}): Creates an icon theme data.
const
IconThemeData.fallback(): Creates an icon theme with some reasonable default values.
const

color → Color?: The default for Icon.color.
final
fill → double?: The default for Icon.fill.
final
grade → double?: The default for Icon.grade.
final
hashCode → int: The hash code for this object.
read-onlyoverride
isConcrete → bool: Whether all the properties (except shadows) of this object are non-null.
read-only
opacity → double?: An opacity to apply to both explicit and default icon colors.
read-only
opticalSize → double?: The default for Icon.opticalSize.
final
runtimeType → Type: A representation of the runtime type of the object.
read-onlyinherited
shadows → List<Shadow>?: The default for Icon.shadows.
final
size → double?: The default for Icon.size.
final
weight → double?: The default for Icon.weight.
final

copyWith({double? size, double? fill, double? weight, double? grade, double? opticalSize, Color? color, double? opacity, List<Shadow>? shadows}) → IconThemeData: Creates a copy of this icon theme but with the given fields replaced with the new values.
debugFillProperties(DiagnosticPropertiesBuilder properties) → void: Add additional properties associated with the node.
override
merge(IconThemeData? other) → IconThemeData: Returns a new icon theme that matches this icon theme but with some values replaced by the non-null parameters of the given icon theme. If the given icon theme is null, simply returns this icon theme.
noSuchMethod(Invocation invocation) → dynamic: Invoked when a non-existent method or property is accessed.
inherited
resolve(BuildContext context) → IconThemeData: Called by IconTheme.of to convert this instance to an IconThemeData that fits the given BuildContext.
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
toStringShort() → String: A brief description of this object, usually just the runtimeType and the hashCode.
inherited

lerp(IconThemeData? a, IconThemeData? b, double t) → IconThemeData: Linearly interpolate between two icon theme data objects.