ScrollAnimatedFab class

A FloatingActionButton wrapped by some animation transitions in default, which does animation depended by scrolling.

Inheritance

Constructors

ScrollAnimatedFab({Key? key, required Widget fab, AnimatedFabController? controller, Duration duration = _kDefaultDuration, Curve curve = _kDefaultCurve, required ScrollController scrollController, ScrollAnimatedCondition condition = ScrollAnimatedCondition.offset, double offset = _kDefaultScrollOffset, Widget customBuilder(Animation<double> animation, Widget fab)?, bool customBehavior(ScrollPosition pos)?})
const

Properties

condition ScrollAnimatedCondition
The condition to do animation, defaults to ScrollAnimatedCondition.offset.
final
controller AnimatedFabController?
The controller of this widget.
final
curve Curve
The curve of the animation to show this fab.
final
customBehavior → (bool Function(ScrollPosition pos)?)
The custom behavior with given ScrollPosition, used for ScrollAnimatedCondition.custom.
final
customBuilder → (Widget Function(Animation<double> animation, Widget fab)?)
The custom widget builder with given Animation and passed fab.
final
duration Duration
The duration of the animation to show this fab.
final
fab Widget
The widget below this widget in the tree, typically is a FloatingActionButton widget.
final
hashCode int
The hash code for this object.
no setterinherited
key Key?
Controls how one widget replaces another widget in the tree.
finalinherited
offset double
The offset threshold of invoking fab shown when used ScrollAnimatedCondition.offset.
final
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
scrollController ScrollController
The scroll controller to detect scroll offset.
final

Methods

createElement() StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() → _ScrollAnimatedFabState
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
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