Added in API level 4
Gesture
open class Gesture : Parcelable
| kotlin.Any | |
| ↳ | android.gesture.Gesture |
A gesture is a hand-drawn shape on a touch screen. It can have one or multiple strokes. Each stroke is a sequence of timed points. A user-defined gesture can be recognized by a GestureLibrary.
Summary
| Inherited constants | |
|---|---|
| Public constructors | |
|---|---|
Gesture() |
|
| Public methods | |
|---|---|
| open Unit |
addStroke(stroke: GestureStroke!)Adds a stroke to the gesture. |
| open Any! |
clone() |
| open Int | |
| open RectF! | |
| open Long |
getID() |
| open Float |
Calculates the total length of the gesture. |
| open ArrayList<GestureStroke!>! | |
| open Int | |
| open Bitmap! |
Creates a bitmap of the gesture with a transparent background. |
| open Bitmap! |
Creates a bitmap of the gesture with a transparent background. |
| open Path! |
toPath() |
| open Path! | |
| open Path! | |
| open Path! | |
| open Unit |
writeToParcel(out: Parcel, flags: Int) |
| Properties | |
|---|---|
| static Parcelable.Creator<Gesture!> | |
Public constructors
Public methods
addStroke
Added in API level 4
open fun addStroke(stroke: GestureStroke!): Unit
Adds a stroke to the gesture.
| Parameters | |
|---|---|
stroke |
GestureStroke!: |
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. |
describeContents
Added in API level 4
open fun describeContents(): Int
| Return | |
|---|---|
Int |
a bitmask indicating the set of special object types marshaled by this Parcelable object instance. Value is either 0 or android.os.Parcelable#CONTENTS_FILE_DESCRIPTOR |
getBoundingBox
Added in API level 4
open fun getBoundingBox(): RectF!
| Return | |
|---|---|
RectF! |
the bounding box of the gesture |
getLength
Added in API level 4
open fun getLength(): Float
Calculates the total length of the gesture. When there are multiple strokes in the gesture, this returns the sum of the lengths of all the strokes.
| Return | |
|---|---|
Float |
the length of the gesture |
getStrokes
Added in API level 4
open fun getStrokes(): ArrayList<GestureStroke!>!
| Return | |
|---|---|
ArrayList<GestureStroke!>! |
all the strokes of the gesture |
getStrokesCount
Added in API level 4
open fun getStrokesCount(): Int
| Return | |
|---|---|
Int |
the number of strokes included by this gesture |
toBitmap
Added in API level 4
open fun toBitmap(
width: Int,
height: Int,
edge: Int,
numSample: Int,
color: Int
): Bitmap!
Creates a bitmap of the gesture with a transparent background.
| Parameters | |
|---|---|
width |
Int: width of the target bitmap |
height |
Int: height of the target bitmap |
edge |
Int: the edge |
numSample |
Int: |
color |
Int: |
| Return | |
|---|---|
Bitmap! |
the bitmap |
toBitmap
Added in API level 4
open fun toBitmap(
width: Int,
height: Int,
inset: Int,
color: Int
): Bitmap!
Creates a bitmap of the gesture with a transparent background.
| Parameters | |
|---|---|
width |
Int: |
height |
Int: |
inset |
Int: |
color |
Int: |
| Return | |
|---|---|
Bitmap! |
the bitmap |
toPath
Added in API level 4
open fun toPath(
width: Int,
height: Int,
edge: Int,
numSample: Int
): Path!
toPath
Added in API level 4
open fun toPath(
path: Path!,
width: Int,
height: Int,
edge: Int,
numSample: Int
): Path!
writeToParcel
Added in API level 4
open fun writeToParcel(
out: Parcel,
flags: Int
): Unit
| Parameters | |
|---|---|
dest |
The Parcel in which the object should be written. This value cannot be null. |
flags |
Int: Additional flags about how the object should be written. May be 0 or PARCELABLE_WRITE_RETURN_VALUE. Value is either 0 or a combination of android.os.Parcelable#PARCELABLE_WRITE_RETURN_VALUE, and android.os.Parcelable.PARCELABLE_ELIDE_DUPLICATES |