GestureDescription

public final class GestureDescription
extends Object

java.lang.Object
   ↳ android.accessibilityservice.GestureDescription


Accessibility services with the R.styleable.AccessibilityService_canPerformGestures property can dispatch gestures. This class describes those gestures. Gestures are made up of one or more strokes. Gestures are immutable once built.

Spatial dimensions throughout are in screen pixels. Time is measured in milliseconds.

Summary

Nested classes

class GestureDescription.Builder

Builder for a GestureDescription  

class GestureDescription.StrokeDescription

Immutable description of stroke that can be part of a gesture. 

Public methods

static long getMaxGestureDuration()

Get the upper limit on a gesture's duration.

static int getMaxStrokeCount()

Get the upper limit for the number of strokes a gesture may contain.

GestureDescription.StrokeDescription getStroke(int index)

Read a stroke from the gesture

int getStrokeCount()

Get the number of stroke in the gesture.

Inherited methods

Public methods

getMaxGestureDuration

added in API level 24
public static long getMaxGestureDuration ()

Get the upper limit on a gesture's duration.

Returns
long The maximum duration in milliseconds.

getMaxStrokeCount

added in API level 24
public static int getMaxStrokeCount ()

Get the upper limit for the number of strokes a gesture may contain.

Returns
int The maximum number of strokes.

getStroke

added in API level 24
public GestureDescription.StrokeDescription getStroke (int index)

Read a stroke from the gesture

Parameters
index int: the index of the stroke

Returns
GestureDescription.StrokeDescription A description of the stroke.

getStrokeCount

added in API level 24
public int getStrokeCount ()

Get the number of stroke in the gesture.

Returns
int the number of strokes in this gesture