BottomSheetBarListener class

Creates a Listener to track swipe gestures used to expand or collapse a BottomSheetBar

  • Tracks scolling and vertical-pan gestures
  • Can be locked to stop listening to gestures

There's nothing specific to BottomSheetBar in here. This widget just exposes a version of a Listener widget that is easier to use and read.

Inheritance

Constructors

BottomSheetBarListener({Key? key, required bool locked, required Widget child, required void onScroll(double dy), required void onPosition(Duration timestamp, Offset position), required void onEnd()})
const

Properties

child → 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
locked → bool
Disables bottom-sheet from being expanded or collapsed with a swipe
final
onEnd → void Function()
Trigger on Listener.onPointerUp and Listener.onPointerCancel
final
onPosition → void Function(Duration timestamp, Offset position)
Triggered on Listener.onPointerDown and Listener.onPointerMove
final
onScroll → void Function(double dy)
Triggered on Listener.onPointerMove and Listener.onPointerSignal (when the PointerSignalEvent is a PointerScrollEvent)
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

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}) → 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