DraggableBottomSheet class

Partially visible bottom sheet that can be dragged into the screen. Provides different views for expanded and collapsed states.

Inheritance

Constructors

DraggableBottomSheet({Key? key, required Widget backgroundWidget, required Widget previewChild, required Widget expandedChild, Alignment alignment = Alignment.bottomLeft, bool blurBackground = true, double expansionExtent = 10, double maxExtent = double.infinity, double minExtent = 10, Axis scrollDirection = Axis.vertical})
const

Properties

alignment → Alignment
Alignment of the sheet.
final
backgroundWidget → Widget
This widget will hide behind the sheet when expanded.
final
blurBackground → bool
Whether to blur the background while sheet expnasion (true: modal-sheet false: persistent-sheet)
final
expandedChild → Widget
Child of expended sheet.
final
expansionExtent → double
Extent from the min-height to change from previewChild to expandedChild.
final
hashCode → int
The hash code for this object.
no setterinherited
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
maxExtent → double
Max-extent for sheet expansion.
final
minExtent → double
Min-extent for the sheet, also the original height of the sheet.
final
previewChild → Widget
Child to be displayed when sheet is not expended.
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
scrollDirection → Axis
Scroll direction of the sheet.
final

Methods

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