Added in API level 4
GestureStroke
open class GestureStroke
| kotlin.Any | |
| ↳ | android.gesture.GestureStroke |
A gesture stroke started on a touch down and ended on a touch up. A stroke consists of a sequence of timed points. One or multiple strokes form a gesture.
Summary
| Public constructors | |
|---|---|
GestureStroke(points: ArrayList<GesturePoint!>!)A constructor that constructs a gesture stroke from a list of gesture points. | |
| Public methods | |
|---|---|
| open Unit | Invalidates the cached path that is used to render the stroke. |
| open Any! | clone() |
| open OrientedBoundingBox! | Computes an oriented bounding box of the stroke. |
| open Path! | getPath() |
| open Path! | Converts the stroke to a Path of a given number of points. |
| Properties | |
|---|---|
| RectF! | |
| Float | |
| FloatArray! | |
Public constructors
GestureStroke
Added in API level 4
GestureStroke(points: ArrayList<GesturePoint!>!)
A constructor that constructs a gesture stroke from a list of gesture points.
| Parameters | |
|---|---|
points | ArrayList<GesturePoint!>!: |
Public methods
clearPath
Added in API level 4
open fun clearPath(): Unit
Invalidates the cached path that is used to render the stroke.
clone
Added in API level 4
open fun clone(): Any!
| Return | |
|---|---|
Any! | a clone of this instance. |
| Exceptions | |
|---|---|
java.lang.CloneNotSupportedException | if the object's class does not support the Cloneable interface. Subclasses that override the clone method can also throw this exception to indicate that an instance cannot be cloned. |
computeOrientedBoundingBox
Added in API level 4
open fun computeOrientedBoundingBox(): OrientedBoundingBox!
Computes an oriented bounding box of the stroke.
| Return | |
|---|---|
OrientedBoundingBox! | OrientedBoundingBox |
toPath
Added in API level 4
open fun toPath(
width: Float,
height: Float,
numSample: Int
): Path!
Converts the stroke to a Path of a given number of points.
| Parameters | |
|---|---|
width | Float: the width of the bounding box of the target path |
height | Float: the height of the bounding box of the target path |
numSample | Int: the number of points needed |
| Return | |
|---|---|
Path! | the path |