IconTheme class Null safety

Controls the default color, opacity, and size 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 the color, opacity, and size of descendant widgets. [...]
const

Properties

child Widget
The widget below this widget in the tree. [...]
final, inherited
data IconThemeData
The color, opacity, and size to use for icons in this subtree.
final
hashCode int
The hash code for this object. [...]
@nonVirtual, read-only, inherited
key Key?
Controls how one widget replaces another widget in the tree. [...]
final, inherited
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited

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, inherited
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, inherited

Static Methods

merge({Key? key, required IconThemeData data, required Widget child}) Widget
Creates an icon theme that controls the color, opacity, and size 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. [...]