NavigationRailTheme class
An inherited widget that defines visual properties for NavigationRails and NavigationRailDestinations in this widget's subtree.
Values specified here are used for NavigationRail properties that are not given an explicit non-null value.
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- ProxyWidget
- InheritedWidget
- InheritedTheme
- NavigationRailTheme
Constructors
-
Creates a navigation rail theme that controls the
NavigationRailThemeData properties for a NavigationRail.
const
Properties
- child → Widget
-
The widget below this widget in the tree.
finalinherited
- data → NavigationRailThemeData
-
Specifies the background color, elevation, label text style, icon theme,
group alignment, and label type and border values for descendant
NavigationRail widgets.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
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.
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
-
updateShouldNotify(
covariant NavigationRailTheme 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.
inherited
Static Methods
-
of(
BuildContext context) → NavigationRailThemeData - The closest instance of this class that encloses the given context.