KeyAttributes

Added in 2.2.0

Kotlin |Java

class KeyAttributes : Key

kotlin.Any
↳	androidx.constraintlayout.motion.widget.Key
	↳	androidx.constraintlayout.motion.widget.KeyAttributes

Defines container for a key frame of for storing KeyAttributes. KeyAttributes change post layout values of a view.

Summary

Constants
`const Int`	`KEY_TYPE = 1`

Public constructors
`KeyAttributes()`

Public functions
`Unit`	`addValues(splines: HashMap<String!, ViewSpline!>!)` Defines method to add a a view to splines derived form this key frame.
`Key!`	`clone()` Clone this KeyAttributes
`Key!`	`copy(src: Key!)` Copy the key
`Unit`	`getAttributeNames(attributes: HashSet<String!>!)`
`Unit`	`load(context: Context!, attrs: AttributeSet!)`
`Unit`	`setInterpolation(interpolation: HashMap<String!, Int!>!)` create the interpolations associated with this KeyAttribute
`Unit`	`setValue(tag: String!, value: Any!)` Set the value associated with this tag

`const String!`	`ALPHA = "alpha"`
`const String!`	`CURVEFIT = "curveFit"`
`const String!`	`CUSTOM = "CUSTOM"`
`const String!`	`ELEVATION = "elevation"`
`const String!`	`MOTIONPROGRESS = "motionProgress"`
`const String!`	`PIVOT_X = "transformPivotX"`
`const String!`	`PIVOT_Y = "transformPivotY"`
`const String!`	`PROGRESS = "progress"`
`const String!`	`ROTATION = "rotation"`
`const String!`	`ROTATION_X = "rotationX"`
`const String!`	`ROTATION_Y = "rotationY"`
`const String!`	`SCALE_X = "scaleX"`
`const String!`	`SCALE_Y = "scaleY"`
`const String!`	`TRANSITIONEASING = "transitionEasing"`
`const String!`	`TRANSITION_PATH_ROTATE = "transitionPathRotate"`
`const String!`	`TRANSLATION_X = "translationX"`
`const String!`	`TRANSLATION_Y = "translationY"`
`const String!`	`TRANSLATION_Z = "translationZ"`
`const String!`	`VISIBILITY = "visibility"`
`const String!`	`WAVE_OFFSET = "waveOffset"`
`const String!`	`WAVE_PERIOD = "wavePeriod"`
`const String!`	`WAVE_PHASE = "wavePhase"`
`const String!`	`WAVE_VARIES_BY = "waveVariesBy"`

`Int`	`getFramePosition()` Gets the current frame position
`Unit`	`setFramePosition(pos: Int)` sets the frame position
`Key!`	`setViewId(id: Int)` set the id of the view

`java-static Int`	`UNSET`
`Int`	`mType`

Added in 2.2.0

const val KEY_TYPE = 1: Int

Added in 2.2.0

KeyAttributes()

Added in 2.2.0

fun addValues(splines: HashMap<String!, ViewSpline!>!): 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!, ViewSpline!>!`	splines to write values to

Added in 2.2.0

fun clone(): Key!

Clone this KeyAttributes

Returns
`Key!`

fun copy(src: Key!): Key!

Copy the key

Parameters
`src: Key!`	to be copied

Returns
`Key!`	self

Added in 2.2.0

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

Added in 2.2.0

fun load(context: Context!, attrs: AttributeSet!): Unit

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

create the interpolations associated with this KeyAttribute

Parameters
`interpolation: HashMap<String!, Int!>!`	will be added to with keyAttributes

Added in 2.2.0

fun setValue(tag: String!, value: Any!): Unit

Set the value associated with this tag

Parameters
`tag: String!`
`value: Any!`