CustomGestureDetector class

Recognizes custom gestures.

Custom gestures can be created by extending from Gesture class.

Inheritance

Constructors

CustomGestureDetector({Key? key, required Widget child, required List<Gesture> gestures, Function? onGestureStart, required dynamic onGestureEnd(bool success), HitTestBehavior? behavior})

Properties

behavior HitTestBehavior?
How this gesture detector should behave during hit testing.
final
child Widget
Child wrapped by the gesture detector.
final
gestures List<Gesture>
List of gestures that need to be triggered to complete the gesture.
final
hashCode int
The hash code for this object.
no setterinherited
key Key?
Controls how one widget replaces another widget in the tree.
finalinherited
onGestureEnd → dynamic Function(bool success)
Callback when a gesture ends. Whether it failed or succeeded is determined by the parameter success.
final
onGestureStart Function?
Callback when a gesture starts being detected.
final
runtimeType Type
A representation of the runtime type of the object.
no setterinherited

Methods

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