TapToOpenFab class

A widget that creates a floating action button (FAB) which can be tapped to open.

The FAB animates and changes its appearance based on the open state. It shrinks and fades out when open, and returns to normal size with an icon when closed.

Inheritance

Constructors

TapToOpenFab({required double? openElevation, required VoidCallback toggle, required bool open, Widget? openIcon, Key? key})
Creates an instance of TapToOpenFab.
const

Properties

hashCode → int
The hash code for this object.
no setterinherited
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
open → bool
The open state of the FAB. Determines the appearance and interaction of the FAB.
final
openElevation → double?
The elevation of the FAB when it's in the open state.
final
openIcon → Widget?
The icon to display in the FAB when it's in the closed state. If null, a default '+' icon is displayed.
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
toggle → VoidCallback
The callback function to execute when the FAB is tapped.
final

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