NavigationBarTheme class
An inherited widget that defines visual properties for NavigationBars and NavigationDestinations in this widget's subtree.
Values specified here are used for NavigationBar properties that are not given an explicit non-null value.
See also:
- ThemeData.navigationBarTheme, which describes the NavigationBarThemeData in the overall theme for the application.
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- ProxyWidget
- InheritedWidget
- InheritedTheme
- NavigationBarTheme
Constructors
-
Creates a navigation rail theme that controls the
NavigationBarThemeData properties for a NavigationBar.
const
Properties
- child → Widget
-
The widget below this widget in the tree.
finalinherited
- data → NavigationBarThemeData
-
Specifies the background color, label text style, icon theme, and label
type values for descendant NavigationBar 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, 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
-
updateShouldNotify(
covariant NavigationBarTheme 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) → NavigationBarThemeData - The closest instance of this class that encloses the given context.