IconTheme class Null safety

Controls the default properties of icons in a widget subtree.

The icon theme is honored by Icon and ImageIcon widgets.

Inheritance

Constructors

IconTheme({Key? key, required IconThemeData data, required Widget child})
Creates an icon theme that controls properties of descendant widgets.
const

Properties

child → Widget
The widget below this widget in the tree.
finalinherited
data → IconThemeData
The set of properties to use for icons in this subtree.
final
hashCode → int
The hash code for this object.
nonVirtual">@nonVirtualread-onlyinherited
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
runtimeType → Type
A representation of the runtime type of the object.
read-onlyinherited

Methods

createElement() → InheritedElement
Inflates this configuration to a concrete instance.
inherited
debugDescribeChildren() → List<DiagnosticsNode>
Returns a list of DiagnosticsNode objects describing this node's children.
protected">@protectedinherited
debugFillProperties(DiagnosticPropertiesBuilder properties) → void
Add additional properties associated with the node.
override
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent 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
updateShouldNotify(covariant IconTheme oldWidget) → bool
Whether the framework should notify widgets that inherit from this widget.
override
wrap(BuildContext context, Widget child) → Widget
Return a copy of this inherited theme with the specified child.
override

Operators

operator ==(Object other) → bool
The equality operator.
nonVirtual">@nonVirtualinherited

Static Methods

merge({Key? key, required IconThemeData data, required Widget child}) → Widget
Creates an icon theme that controls the properties of descendant widgets, and merges in the current icon theme, if any.
of(BuildContext context) → IconThemeData
The data from the closest instance of this class that encloses the given context, if any.