PopupMenuButtonState<T> class Null safety

The State for a PopupMenuButton.

See showButtonMenu for a way to programmatically open the popup menu of your button state.

Inheritance

Constructors

PopupMenuButtonState()

Properties

context BuildContext
The location in the tree where this widget builds.
read-onlyinherited
hashCode int
The hash code for this object.
read-onlyinherited
mounted bool
Whether this State object is currently in a tree.
read-onlyinherited
runtimeType Type
A representation of the runtime type of the object.
read-onlyinherited
widget PopupMenuButton<T>
The current configuration.
read-onlyinherited

Methods

activate() → void
Called when this object is reinserted into the tree after having been removed via deactivate.
mustCallSuper">@mustCallSuperprotected">@protectedinherited
build(BuildContext context) Widget
Describes the part of the user interface represented by this widget.
override
deactivate() → void
Called when this object is removed from the tree.
mustCallSuper">@mustCallSuperprotected">@protectedinherited
debugFillProperties(DiagnosticPropertiesBuilder properties) → void
Add additional properties associated with the node.
inherited
didChangeDependencies() → void
Called when a dependency of this State object changes.
mustCallSuper">@mustCallSuperprotected">@protectedinherited
didUpdateWidget(covariant PopupMenuButton<T> oldWidget) → void
Called whenever the widget configuration changes.
mustCallSuper">@mustCallSuperprotected">@protectedinherited
dispose() → void
Called when this object is removed from the tree permanently.
mustCallSuper">@mustCallSuperprotected">@protectedinherited
initState() → void
Called when this object is inserted into the tree.
mustCallSuper">@mustCallSuperprotected">@protectedinherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed.
inherited
reassemble() → void
Called whenever the application is reassembled during debugging, for example during hot reload.
mustCallSuper">@mustCallSuperprotected">@protectedinherited
setState(VoidCallback fn) → void
Notify the framework that the internal state of this object has changed.
protected">@protectedinherited
showButtonMenu() → void
A method to show a popup menu with the items supplied to PopupMenuButton.itemBuilder at the position of your PopupMenuButton.
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
toStringShort() String
A brief description of this object, usually just the runtimeType and the hashCode.
inherited

Operators

operator ==(Object other) bool
The equality operator.
inherited