AllowMultipleGestureRecognizer class
Properties
-
deadline
→ Duration?
-
If non-null, the recognizer will call didExceedDeadline after this
amount of time has elapsed since starting to track the primary pointer.
finalinherited
-
debugDescription
→ String
-
Returns a very short pretty description of the gesture that the
recognizer looks for, like 'tap' or 'horizontal drag'.
no setterinherited
-
debugOwner
→ Object?
-
The recognizer's owner.
finalinherited
-
gestureSettings
↔ DeviceGestureSettings?
-
Optional device specific configuration for device gestures that will
take precedence over framework defaults.
getter/setter pairinherited
-
hashCode
→ int
-
The hash code for this object.
no setterinherited
-
initialPosition
→ OffsetPair?
-
The location at which the primary pointer contacted the screen.
no setterinherited
-
onSecondaryTap
↔ GestureTapCallback?
-
A pointer has stopped contacting the screen, which is recognized as a tap
of a secondary button.
getter/setter pairinherited
-
onSecondaryTapCancel
↔ GestureTapCancelCallback?
-
A pointer that previously triggered onSecondaryTapDown will not end up
causing a tap.
getter/setter pairinherited
-
onSecondaryTapDown
↔ GestureTapDownCallback?
-
A pointer has contacted the screen at a particular location with a
secondary button, which might be the start of a secondary tap.
getter/setter pairinherited
-
onSecondaryTapUp
↔ GestureTapUpCallback?
-
A pointer has stopped contacting the screen at a particular location,
which is recognized as a tap of a secondary button.
getter/setter pairinherited
-
onTap
↔ GestureTapCallback?
-
A pointer has stopped contacting the screen, which is recognized as a tap
of a primary button.
getter/setter pairinherited
-
onTapCancel
↔ GestureTapCancelCallback?
-
A pointer that previously triggered onTapDown will not end up causing
a tap.
getter/setter pairinherited
-
onTapDown
↔ GestureTapDownCallback?
-
A pointer has contacted the screen at a particular location with a primary
button, which might be the start of a tap.
getter/setter pairinherited
-
onTapUp
↔ GestureTapUpCallback?
-
A pointer has stopped contacting the screen at a particular location,
which is recognized as a tap of a primary button.
getter/setter pairinherited
-
onTertiaryTapCancel
↔ GestureTapCancelCallback?
-
A pointer that previously triggered onTertiaryTapDown will not end up
causing a tap.
getter/setter pairinherited
-
onTertiaryTapDown
↔ GestureTapDownCallback?
-
A pointer has contacted the screen at a particular location with a
tertiary button, which might be the start of a tertiary tap.
getter/setter pairinherited
-
onTertiaryTapUp
↔ GestureTapUpCallback?
-
A pointer has stopped contacting the screen at a particular location,
which is recognized as a tap of a tertiary button.
getter/setter pairinherited
-
postAcceptSlopTolerance
→ double?
-
The maximum distance in logical pixels the gesture is allowed to drift
after the gesture has been accepted.
finalinherited
-
preAcceptSlopTolerance
→ double?
-
The maximum distance in logical pixels the gesture is allowed to drift
from the initial touch down position before the gesture is accepted.
finalinherited
-
primaryPointer
→ int?
-
The ID of the primary pointer this recognizer is tracking.
no setterinherited
-
runtimeType
→ Type
-
A representation of the runtime type of the object.
no setterinherited
-
state
→ GestureRecognizerState
-
The current state of the recognizer.
no setterinherited
-
supportedDevices
↔ Set<PointerDeviceKind>?
-
The kind of devices that are allowed to be recognized as provided by
supportedDevices
in the constructor, or the currently deprecated kind
.
These cannot both be set. If both are null, events from all device kinds will be
tracked and recognized.
getter/setter pairinherited
-
team
↔ GestureArenaTeam?
-
The team that this recognizer belongs to, if any.
getter/setter pairinherited
Methods
-
acceptGesture(int pointer)
→ void
-
Called when this member wins the arena for the given pointer id.
inherited
-
addAllowedPointer(PointerDownEvent event)
→ void
-
Registers a new pointer that's been checked to be allowed by this gesture
recognizer.
inherited
-
addAllowedPointerPanZoom(PointerPanZoomStartEvent event)
→ void
-
Registers a new pointer pan/zoom that's been checked to be allowed by this
gesture recognizer.
inherited
-
addPointer(PointerDownEvent event)
→ void
-
Registers a new pointer that might be relevant to this gesture
detector.
inherited
-
addPointerPanZoom(PointerPanZoomStartEvent event)
→ void
-
Registers a new pointer pan/zoom that might be relevant to this gesture
detector.
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
-
didExceedDeadline()
→ void
-
Override to be notified when deadline is exceeded.
inherited
-
didExceedDeadlineWithEvent(PointerDownEvent event)
→ void
-
Same as didExceedDeadline but receives the
event
that initiated the
gesture.
inherited
-
didStopTrackingLastPointer(int pointer)
→ void
-
Called when the number of pointers this recognizer is tracking changes from one to zero.
inherited
-
dispose()
→ void
-
Releases any resources used by the object.
inherited
-
getKindForPointer(int pointer)
→ PointerDeviceKind
-
For a given pointer ID, returns the device kind associated with it.
inherited
-
handleEvent(PointerEvent event)
→ void
-
Called when a pointer event is routed to this recognizer.
inherited
-
handleNonAllowedPointer(PointerDownEvent event)
→ void
-
Handles a pointer being added that's not allowed by this recognizer.
inherited
-
handleNonAllowedPointerPanZoom(PointerPanZoomStartEvent event)
→ void
-
Handles a pointer pan/zoom being added that's not allowed by this recognizer.
inherited
-
handlePrimaryPointer(PointerEvent event)
→ void
-
Override to provide behavior for the primary pointer when the gesture is still possible.
inherited
-
handleTapCancel({required PointerDownEvent down, PointerCancelEvent? cancel, required String reason})
→ void
-
A pointer that previously triggered handleTapDown will not end up
causing a tap.
inherited
-
handleTapDown({required PointerDownEvent down})
→ void
-
A pointer has contacted the screen, which might be the start of a tap.
inherited
-
handleTapUp({required PointerDownEvent down, required PointerUpEvent up})
→ void
-
A pointer has stopped contacting the screen, which is recognized as a tap.
inherited
-
invokeCallback<T>(String name, RecognizerCallback<T> callback, {String debugReport()?})
→ T?
-
Invoke a callback provided by the application, catching and logging any
exceptions.
inherited
-
isPointerAllowed(PointerDownEvent event)
→ bool
-
Checks whether or not a pointer is allowed to be tracked by this recognizer.
inherited
-
isPointerPanZoomAllowed(PointerPanZoomStartEvent event)
→ bool
-
Checks whether or not a pointer pan/zoom is allowed to be tracked by this recognizer.
inherited
-
noSuchMethod(Invocation invocation)
→ dynamic
-
Invoked when a nonexistent method or property is accessed.
inherited
-
rejectGesture(int pointer)
→ void
-
Called when this member loses the arena for the given pointer id.
override
-
resolve(GestureDisposition disposition)
→ void
-
Resolves this recognizer's participation in each gesture arena with the
given disposition.
inherited
-
resolvePointer(int pointer, GestureDisposition disposition)
→ void
-
Resolves this recognizer's participation in the given gesture arena with
the given disposition.
inherited
-
startTrackingPointer(int pointer, [Matrix4? transform])
→ void
-
Causes events related to the given pointer ID to be routed to this recognizer.
inherited
-
stopTrackingIfPointerNoLongerDown(PointerEvent event)
→ void
-
Stops tracking the pointer associated with the given event if the event is
a PointerUpEvent or a PointerCancelEvent event.
inherited
-
stopTrackingPointer(int pointer)
→ void
-
Stops events related to the given pointer ID from being routed to this recognizer.
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 brief description of this object, usually just the runtimeType and the
hashCode.
inherited