Swipe class
Creates a widget to detect swipe gestures on the screen : swipe up, swipe down, swipe left and swipe right.
- Inheritance
Constructors
- Swipe({required Widget child, dynamic onSwipeUp()?, dynamic onSwipeDown()?, dynamic onSwipeLeft()?, dynamic onSwipeRight()?, double verticalMaxWidthThreshold = 50, double verticalMinDisplacement = 100, double verticalMinVelocity = 300, double horizontalMaxHeightThreshold = 50, double horizontalMinDisplacement = 100, double horizontalMinVelocity = 300})
Properties
- child → Widget
-
The widget below this widget in the tree
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- horizontalMaxHeightThreshold → double
-
Default: 50
final
- horizontalMinDisplacement → double
-
mininum displacement of pointer on the horizontal axis
to be counted as a swipe
final
- horizontalMinVelocity → double
-
minimum absolute velocity of pointer moving on the horizontal axis
to be counted as a swipe
final
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- onSwipeDown → (dynamic Function()?)
-
Callback function to be called when swiping down
final
- onSwipeLeft → (dynamic Function()?)
-
Callback function to be called when swiping left
final
- onSwipeRight → (dynamic Function()?)
-
Callback function to be called when swiping right
final
- onSwipeUp → (dynamic Function()?)
-
Callback function to be called when swiping up
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- verticalMaxWidthThreshold → double
-
Default: 50
final
- verticalMinDisplacement → double
-
mininum displacement of pointer on the vertical axis
to be counted as a swipe
final
- verticalMinVelocity → double
-
minimum absolute velocity of pointer moving on the vertical axis
to be counted as a swipe
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
DiagnosticsNodeobjects 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