ScreenOverlayWidget class abstract

Supply an overlay for the screen.

Inheritance
Available extensions

Constructors

ScreenOverlayWidget({Key? key, bool? show, AlignmentGeometry? alignment = AlignmentDirectional.topStart, TextDirection? textDirection, StackFit? fit = StackFit.loose, Clip? clipBehavior = Clip.hardEdge})
All are optional except the child widget.

Properties

alignment → AlignmentGeometry?
final
clipBehavior → Clip?
final
fit → StackFit?
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
show → bool?
final
showOverlay ↔ bool
Show the overlay? Test this in the parent widget calling this.
getter/setter pair
state → _ScreenOverlayState
A reference of the State object.
final
textDirection → TextDirection?
final

Methods

build(BuildContext context) → Widget
supply your overlay
createElement() → StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() → State<StatefulWidget>
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.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
setState(VoidCallback fn) → void
Rebuild State object
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