PageHeaderElement class
{@image }
A page header with a title, exit button, and optional details button
to allow users to take extra actions on a page.
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatelessWidget
- PageHeaderElement
Constructors
- PageHeaderElement.withExit({Key? key, required String pageTitle, required VoidCallback onPageExit})
- PageHeaderElement.withOptionsExit({Key? key, required String pageTitle, required VoidCallback? onPageDetails, required VoidCallback onPageExit})
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- onPageDetails ↔ VoidCallback?
-
If you want a details button to show up, this is where
you write the action that should happen on 'more details'.
This would be potentially showing an action sheet, or a
pop up that shows information.
getter/setter pair
- onPageExit → VoidCallback
-
An action to run when the user wants to exit the page.
This is typically where you would set Navigator.pop() to
go back to the previous screen, or add code to save any data that's
been modified on the page.
final
- pageTitle → String
-
The title of the page
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
DiagnosticsNodeobjects 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
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited