CupertinoNavigationBarBackButton class
A nav bar back button typically used in CupertinoNavigationBar.
This is automatically inserted into CupertinoNavigationBar and
CupertinoSliverNavigationBar's leading slot when
automaticallyImplyLeading is true.
When manually inserted, the CupertinoNavigationBarBackButton should only be used in routes that can be popped unless a custom onPressed is provided.
Shows a back chevron and the previous route's title when available from the previous CupertinoPageRoute.title. If previousPageTitle is specified, it will be shown instead.
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatelessWidget
- CupertinoNavigationBarBackButton
Constructors
-
Construct a CupertinoNavigationBarBackButton that can be used to pop
the current route.
const
Properties
- color → Color?
-
The Color of the back button.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- onPressed → VoidCallback?
-
An override callback to perform instead of the default behavior which is
to pop the Navigator.
final
- previousPageTitle → String?
-
An override for showing the previous route's title. If null, it will be
automatically derived from CupertinoPageRoute.title if the current and
previous routes are both CupertinoPageRoutes.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
build(
BuildContext context) → Widget -
Describes the part of the user interface represented by this widget.
override
-
createElement(
) → StatelessElement -
Creates a StatelessElement to manage this widget's location in the tree.
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
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited