Stopper class
A widget that changes its height to one of the predefined values based on user-initiated dragging. Designed to be used with showBottomSheet() method.
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- Stopper
Constructors
-
Stopper.new({Key? key, required StopperBuilder builder, required List<
double> stops, int initialStop = 0, Function? onClose, double dragThreshold = 25, ShapeBorder? shape}) -
The constructor.
const
Properties
- builder → StopperBuilder
-
A builder to build the contents of the bottom sheet.
final
- dragThreshold → double
-
The minimum offset (in logical pixels) necessary to trigger a stop change when dragging.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- initialStop → int
-
The initial stop.
final
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- onClose → Function?
-
This callback function is called when the user triggers a close. If null, the bottom sheet cannot be closed by the user.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- shape → ShapeBorder?
-
THe desidered shape
final
-
stops
→ List<
double> -
The list of stop heights in logical pixels. The values must be sorted from lowest to highest.
final
Methods
-
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createState(
) → StopperState -
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, 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