AppBarOverlay class

Wraps a body widget and an appBar widget, where the AppBar auto-hides by sliding up when autoHide is true.

When autoHide is false the layout is a simple Column (AppBar + body), matching normal Scaffold behaviour.

Inheritance

Constructors

AppBarOverlay({required PreferredSizeWidget appBar, required Widget body, Key? key, bool autoHide = false, double triggerHeight = 12, double panelOpacity = 0.92, Duration animationDuration = const Duration(milliseconds: 200)})
Creates an app bar overlay around body.
const

Properties

animationDuration → Duration
Duration of the slide animation.
final
appBar → PreferredSizeWidget
The AppBar-like widget to show/hide.
final
autoHide → bool
When true, the AppBar auto-hides and slides in on mouse hover. When false, the AppBar is always visible.
final
body → Widget
The main content below the AppBar.
final
hashCode → int
The hash code for this object.
no setterinherited
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
panelOpacity → double
Opacity of the overlay AppBar when shown (0.0–1.0).
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
triggerHeight → double
Height of the invisible trigger zone along the top edge (pixels).
final

Methods

createElement() → StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() → State<AppBarOverlay>
Creates the mutable state for this widget at a given location in the tree.
override
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.
override
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