MotionKey

Artifact: androidx.constraintlayout:constraintlayout-core

Added in 1.1.2

Kotlin |Java

abstract class MotionKey : TypedValues

Known direct subclasses

MotionKeyAttributes, MotionKeyCycle, MotionKeyPosition, MotionKeyTimeCycle, MotionKeyTrigger

`MotionKeyAttributes`
`MotionKeyCycle`
`MotionKeyPosition`
`MotionKeyTimeCycle`
`MotionKeyTrigger`

Base class in an element in a KeyFrame

Summary

Constants
`const String!`	`ALPHA = "alpha"`
`const String!`	`CUSTOM = "CUSTOM"`
`const String!`	`ELEVATION = "elevation"`
`const String!`	`ROTATION = "rotationZ"`
`const String!`	`ROTATION_X = "rotationX"`
`const String!`	`SCALE_X = "scaleX"`
`const String!`	`SCALE_Y = "scaleY"`
`const String!`	`TRANSITION_PATH_ROTATE = "transitionPathRotate"`
`const String!`	`TRANSLATION_X = "translationX"`
`const String!`	`TRANSLATION_Y = "translationY"`
`const String!`	`VISIBILITY = "visibility"`

Public constructors
`MotionKey()`

Public functions
`abstract Unit`	`addValues(splines: HashMap<String!, SplineSet!>!)` Defines method to add a a view to splines derived form this key frame.
`abstract MotionKey!`	`clone()`
`MotionKey!`	`copy(src: MotionKey!)`
`abstract Unit`	`getAttributeNames(attributes: HashSet<String!>!)`
`Int`	`getFramePosition()` Gets the current frame position
`Unit`	`setCustomAttribute(name: String!, type: Int, value: Boolean)`
`Unit`	`setCustomAttribute(name: String!, type: Int, value: Float)`
`Unit`	`setCustomAttribute(name: String!, type: Int, value: Int)`
`Unit`	`setCustomAttribute(name: String!, type: Int, value: String!)`
`Unit`	`setFramePosition(pos: Int)` sets the frame position
`Unit`	`setInterpolation(interpolation: HashMap<String!, Int!>!)` Key frame can specify the type of interpolation it wants on various attributes For each string it set it to -1, CurveFit.LINEAR or CurveFit.SPLINE
`Boolean`	`setValue(type: Int, value: Boolean)` Used to set boolean values
`Boolean`	`setValue(type: Int, value: Float)` Used to set float values
`Boolean`	`setValue(type: Int, value: Int)` Used to set integer values
`Boolean`	`setValue(type: Int, value: String!)` Used to set String values
`MotionKey!`	`setViewId(id: Int)`

Public properties
`java-static Int`	`UNSET`
`HashMap<String!, CustomVariable!>!`	`mCustom`
`Int`	`mFramePosition`
`Int`	`mType`

Inherited Constants

From androidx.constraintlayout.core.motion.utils.TypedValues

`const Int`	`BOOLEAN_MASK = 1`
`const Int`	`FLOAT_MASK = 4`
`const Int`	`INT_MASK = 2`
`const Int`	`STRING_MASK = 8`
`const String!`	`S_CUSTOM = "CUSTOM"`
`const Int`	`TYPE_FRAME_POSITION = 100`
`const Int`	`TYPE_TARGET = 101`

Inherited functions

From androidx.constraintlayout.core.motion.utils.TypedValues

abstract Int

getId(name: String!)

Constants

ALPHA

Added in 1.1.2

const val ALPHA = "alpha": String!

CUSTOM

Added in 1.1.2

const val CUSTOM = "CUSTOM": String!

ELEVATION

Added in 1.1.2

const val ELEVATION = "elevation": String!

ROTATION

Added in 1.1.2

const val ROTATION = "rotationZ": String!

ROTATION_X

Added in 1.1.2

const val ROTATION_X = "rotationX": String!

SCALE_X

Added in 1.1.2

const val SCALE_X = "scaleX": String!

SCALE_Y

Added in 1.1.2

const val SCALE_Y = "scaleY": String!

TRANSITION_PATH_ROTATE

Added in 1.1.2

const val TRANSITION_PATH_ROTATE = "transitionPathRotate": String!

TRANSLATION_X

Added in 1.1.2

const val TRANSLATION_X = "translationX": String!

TRANSLATION_Y

Added in 1.1.2

const val TRANSLATION_Y = "translationY": String!

VISIBILITY

Added in 1.1.2

const val VISIBILITY = "visibility": String!

Public constructors

MotionKey

Added in 1.1.2

MotionKey()

Public functions

addValues

Added in 1.1.2

abstract fun addValues(splines: HashMap<String!, SplineSet!>!): Unit

Defines method to add a a view to splines derived form this key frame. The values are written to the spline

Parameters
`splines: HashMap<String!, SplineSet!>!`	splines to write values to

clone

Added in 1.1.2

abstract fun clone(): MotionKey!

copy

Added in 1.1.2

fun copy(src: MotionKey!): MotionKey!

getAttributeNames

Added in 1.1.2

abstract fun getAttributeNames(attributes: HashSet<String!>!): Unit

getFramePosition

Added in 1.1.2

fun getFramePosition(): Int

Gets the current frame position

setCustomAttribute

Added in 1.1.2

fun setCustomAttribute(name: String!, type: Int, value: Boolean): Unit

setCustomAttribute

Added in 1.1.2

fun setCustomAttribute(name: String!, type: Int, value: Float): Unit

setCustomAttribute

Added in 1.1.2

fun setCustomAttribute(name: String!, type: Int, value: Int): Unit

setCustomAttribute

Added in 1.1.2

fun setCustomAttribute(name: String!, type: Int, value: String!): Unit

setFramePosition

Added in 1.1.2

fun setFramePosition(pos: Int): Unit

sets the frame position

setInterpolation

Added in 1.1.2

fun setInterpolation(interpolation: HashMap<String!, Int!>!): Unit

Key frame can specify the type of interpolation it wants on various attributes For each string it set it to -1, CurveFit.LINEAR or CurveFit.SPLINE

setValue

Added in 1.1.2

fun setValue(type: Int, value: Boolean): Boolean

Used to set boolean values

Returns
`Boolean`	true if it accepted the value

setValue

Added in 1.1.2

fun setValue(type: Int, value: Float): Boolean

Used to set float values

Returns
`Boolean`	true if it accepted the value

setValue

Added in 1.1.2

fun setValue(type: Int, value: Int): Boolean

Used to set integer values

Returns
`Boolean`	true if it accepted the value

setValue

Added in 1.1.2

fun setValue(type: Int, value: String!): Boolean

Used to set String values

Returns
`Boolean`	true if it accepted the value

setViewId

Added in 1.1.2

fun setViewId(id: Int): MotionKey!

Public properties

UNSET

Added in 1.1.2

java-static val UNSET: Int

mCustom

Added in 1.1.2

val mCustom: HashMap<String!, CustomVariable!>!

mFramePosition

Added in 1.1.2

val mFramePosition: Int

mType

Added in 1.1.2

val mType: Int