# KeyAttributes

Artifact: [androidx.constraintlayout:constraintlayout-core](https://developer.android.com/jetpack/androidx/releases/constraintlayout) [View Source](https://cs.android.com/search?q=file:androidx/constraintlayout/core/dsl/KeyAttributes.java+class:androidx.constraintlayout.core.dsl.KeyAttributes) Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

*** ** * ** ***


```
public class KeyAttributes extends Keys
```

<br />

|---|---|---|
| [java.lang.Object](https://developer.android.com/reference/java/lang/Object.html) |||
| ↳ | [androidx.constraintlayout.core.dsl.Keys](https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Keys) ||
|   | ↳ | [androidx.constraintlayout.core.dsl.KeyAttributes](https://developer.android.com/reference/androidx/constraintlayout/core/dsl/KeyAttributes) |

Known direct subclasses [KeyCycles](https://developer.android.com/reference/androidx/constraintlayout/core/dsl/KeyCycles)

|---|---|
| `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/KeyCycles` | Provides the API for creating a KeyCycle Object for use in the Core ConstraintLayout \&MotionLayout system This allows multiple KeyCycle positions to defined in one object. |

*** ** * ** ***

Provides the API for creating a KeyAttribute Object for use in the Core ConstraintLayout \&MotionLayout system This allows multiple KeyAttribute positions to defined in one object.

## Summary

| ### Nested types |
|---|
| `public enum https://developer.android.com/reference/androidx/constraintlayout/core/dsl/KeyAttributes.Fit` |
| `public enum https://developer.android.com/reference/androidx/constraintlayout/core/dsl/KeyAttributes.Visibility` |

| ### Protected fields |
|---|---|
| `https://developer.android.com/reference/java/lang/String.html` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/KeyAttributes#TYPE()` |

| ### Public methods |
|---|---|
| `float[]` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/KeyAttributes#getAlpha()()` |
| `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/KeyAttributes.Fit` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/KeyAttributes#getCurveFit()()` |
| `float[]` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/KeyAttributes#getPivotX()()` |
| `float[]` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/KeyAttributes#getPivotY()()` |
| `float[]` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/KeyAttributes#getRotation()()` |
| `float[]` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/KeyAttributes#getRotationX()()` |
| `float[]` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/KeyAttributes#getRotationY()()` |
| `float[]` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/KeyAttributes#getScaleX()()` |
| `float[]` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/KeyAttributes#getScaleY()()` |
| `String[]` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/KeyAttributes#getTarget()()` |
| `https://developer.android.com/reference/java/lang/String.html` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/KeyAttributes#getTransitionEasing()()` |
| `float[]` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/KeyAttributes#getTransitionPathRotate()()` |
| `float[]` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/KeyAttributes#getTranslationX()()` |
| `float[]` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/KeyAttributes#getTranslationY()()` |
| `float[]` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/KeyAttributes#getTranslationZ()()` |
| `KeyAttributes.Visibility[]` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/KeyAttributes#getVisibility()()` |
| `void` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/KeyAttributes#setAlpha(float...)(float[] alpha)` |
| `void` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/KeyAttributes#setCurveFit(androidx.constraintlayout.core.dsl.KeyAttributes.Fit)(https://developer.android.com/reference/androidx/constraintlayout/core/dsl/KeyAttributes.Fit curveFit)` |
| `void` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/KeyAttributes#setPivotX(float...)(float[] pivotX)` |
| `void` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/KeyAttributes#setPivotY(float...)(float[] pivotY)` |
| `void` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/KeyAttributes#setRotation(float...)(float[] rotation)` |
| `void` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/KeyAttributes#setRotationX(float...)(float[] rotationX)` |
| `void` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/KeyAttributes#setRotationY(float...)(float[] rotationY)` |
| `void` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/KeyAttributes#setScaleX(float[])(float[] scaleX)` |
| `void` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/KeyAttributes#setScaleY(float[])(float[] scaleY)` |
| `void` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/KeyAttributes#setTarget(java.lang.String[])(String[] target)` |
| `void` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/KeyAttributes#setTransitionEasing(java.lang.String)(https://developer.android.com/reference/java/lang/String.html transitionEasing)` |
| `void` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/KeyAttributes#setTransitionPathRotate(float...)(float[] transitionPathRotate)` |
| `void` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/KeyAttributes#setTranslationX(float[])(float[] translationX)` |
| `void` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/KeyAttributes#setTranslationY(float[])(float[] translationY)` |
| `void` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/KeyAttributes#setTranslationZ(float[])(float[] translationZ)` |
| `void` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/KeyAttributes#setVisibility(androidx.constraintlayout.core.dsl.KeyAttributes.Visibility...)(KeyAttributes.Visibility[] visibility)` |
| `https://developer.android.com/reference/java/lang/String.html` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/KeyAttributes#toString()()` |

| ### Protected methods |
|---|---|
| `void` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/KeyAttributes#attributesToString(java.lang.StringBuilder)(https://developer.android.com/reference/java/lang/StringBuilder.html builder)` |

| ### Inherited methods |
|---|
| From [androidx.constraintlayout.core.dsl.Keys](https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Keys) |---|---| | `void` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Keys#append(java.lang.StringBuilder,java.lang.String,java.lang.String[])(https://developer.android.com/reference/java/lang/StringBuilder.html builder, https://developer.android.com/reference/java/lang/String.html name, String[] array)` | | `void` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Keys#append(java.lang.StringBuilder,java.lang.String,float[])(https://developer.android.com/reference/java/lang/StringBuilder.html builder, https://developer.android.com/reference/java/lang/String.html name, float[] array)` | | `void` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Keys#append(java.lang.StringBuilder,java.lang.String,float)(https://developer.android.com/reference/java/lang/StringBuilder.html builder, https://developer.android.com/reference/java/lang/String.html name, float value)` | | `void` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Keys#append(java.lang.StringBuilder,java.lang.String,int)(https://developer.android.com/reference/java/lang/StringBuilder.html builder, https://developer.android.com/reference/java/lang/String.html name, int value)` | | `void` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Keys#append(java.lang.StringBuilder,java.lang.String,java.lang.String)(https://developer.android.com/reference/java/lang/StringBuilder.html builder, https://developer.android.com/reference/java/lang/String.html name, https://developer.android.com/reference/java/lang/String.html value)` | | `https://developer.android.com/reference/java/lang/String.html` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Keys#unpack(java.lang.String[])(String[] str)` | |

## Protected fields

### TYPE

Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

```
protected String TYPE
```

## Public methods

### getAlpha

Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

```
public float[] getAlpha()
```

### getCurveFit

Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

```
public KeyAttributes.Fit getCurveFit()
```

### getPivotX

Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

```
public float[] getPivotX()
```

### getPivotY

Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

```
public float[] getPivotY()
```

### getRotation

Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

```
public float[] getRotation()
```

### getRotationX

Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

```
public float[] getRotationX()
```

### getRotationY

Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

```
public float[] getRotationY()
```

### getScaleX

Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

```
public float[] getScaleX()
```

### getScaleY

Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

```
public float[] getScaleY()
```

### getTarget

Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

```
public String[] getTarget()
```

### getTransitionEasing

Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

```
public String getTransitionEasing()
```

### getTransitionPathRotate

Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

```
public float[] getTransitionPathRotate()
```

### getTranslationX

Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

```
public float[] getTranslationX()
```

### getTranslationY

Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

```
public float[] getTranslationY()
```

### getTranslationZ

Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

```
public float[] getTranslationZ()
```

### getVisibility

Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

```
public KeyAttributes.Visibility[] getVisibility()
```

### setAlpha

```
public void setAlpha(float[] alpha)
```

### setCurveFit

Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

```
public void setCurveFit(KeyAttributes.Fit curveFit)
```

### setPivotX

```
public void setPivotX(float[] pivotX)
```

### setPivotY

```
public void setPivotY(float[] pivotY)
```

### setRotation

```
public void setRotation(float[] rotation)
```

### setRotationX

```
public void setRotationX(float[] rotationX)
```

### setRotationY

```
public void setRotationY(float[] rotationY)
```

### setScaleX

Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

```
public void setScaleX(float[] scaleX)
```

### setScaleY

Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

```
public void setScaleY(float[] scaleY)
```

### setTarget

Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

```
public void setTarget(String[] target)
```

### setTransitionEasing

Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

```
public void setTransitionEasing(String transitionEasing)
```

### setTransitionPathRotate

```
public void setTransitionPathRotate(float[] transitionPathRotate)
```

### setTranslationX

Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

```
public void setTranslationX(float[] translationX)
```

### setTranslationY

Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

```
public void setTranslationY(float[] translationY)
```

### setTranslationZ

Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

```
public void setTranslationZ(float[] translationZ)
```

### setVisibility

```
public void setVisibility(KeyAttributes.Visibility[] visibility)
```

### toString

```
public String toString()
```

## Protected methods

### attributesToString

Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

```
protected void attributesToString(StringBuilder builder)
```