# VerticalChainReference

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/state/helpers/VerticalChainReference.java+class:androidx.constraintlayout.core.state.helpers.VerticalChainReference) Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

*** ** * ** ***


```
class VerticalChainReference : ChainReference
```

<br />

|---|---|---|---|---|
| [kotlin.Any](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-any/index.html) |||||
| ↳ | [androidx.constraintlayout.core.state.ConstraintReference](https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference) ||||
|   | ↳ | [androidx.constraintlayout.core.state.HelperReference](https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/HelperReference) |||
|   |   | ↳ | [androidx.constraintlayout.core.state.helpers.ChainReference](https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/helpers/ChainReference) ||
|   |   |   | ↳ | [androidx.constraintlayout.core.state.helpers.VerticalChainReference](https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/helpers/VerticalChainReference) |

*** ** * ** ***

## Summary

| ### Public constructors |
|---|
| `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/helpers/VerticalChainReference#VerticalChainReference(androidx.constraintlayout.core.state.State)(state: https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/State!)` |

| ### Public functions |
|---|---|
| `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-unit/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/helpers/VerticalChainReference#apply()()` |

| ### Inherited functions |
|---|
| From [androidx.constraintlayout.core.state.helpers.ChainReference](https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/helpers/ChainReference) |---|---| | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-unit/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/helpers/ChainReference#addChainElement(java.lang.String,float,float,float)( id: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html, weight: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html, preMargin: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html, postMargin: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html )` Adds the element by the given id to the Chain. | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/helpers/ChainReference` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/helpers/ChainReference#bias(float)(bias: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html)` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/helpers/ChainReference#getBias()()` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/helpers/ChainReference#getPostMargin(java.lang.String)(id: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/helpers/ChainReference#getPreMargin(java.lang.String)(id: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/State.Chain` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/helpers/ChainReference#getStyle()()` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/helpers/ChainReference#getWeight(java.lang.String)(id: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/helpers/ChainReference` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/helpers/ChainReference#style(androidx.constraintlayout.core.state.State.Chain)(style: https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/State.Chain)` Sets the `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/State.Chain`. | |
| From [androidx.constraintlayout.core.state.ConstraintReference](https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference) |---|---| | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-unit/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#addCustomColor(java.lang.String,int)(name: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html!, color: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html)` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-unit/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#addCustomFloat(java.lang.String,float)(name: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html!, value: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html)` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#alpha(float)(alpha: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html)` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-unit/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#applyWidgetConstraints()()` apply all the constraints attributes of the mConstraintWidget | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#baseline()()` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#baselineToBaseline(java.lang.Object)(reference: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-any/index.html!)` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#baselineToBottom(java.lang.Object)(reference: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-any/index.html!)` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#baselineToTop(java.lang.Object)(reference: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-any/index.html!)` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#bias(float)(value: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html)` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#bottom()()` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#bottomToBottom(java.lang.Object)(reference: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-any/index.html!)` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#bottomToTop(java.lang.Object)(reference: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-any/index.html!)` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#centerHorizontally(java.lang.Object)(reference: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-any/index.html!)` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#centerVertically(java.lang.Object)(reference: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-any/index.html!)` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#circularConstraint(java.lang.Object,float,float)(reference: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-any/index.html!, angle: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html, distance: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html)` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#clear()()` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#clearAll()()` Clears all constraints. | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#clearHorizontal()()` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#clearVertical()()` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/widgets/ConstraintWidget!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#createConstraintWidget()()` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#end()()` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#endToEnd(java.lang.Object)(reference: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-any/index.html!)` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#endToStart(java.lang.Object)(reference: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-any/index.html!)` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#getAlpha()()` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/helpers/Facade!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#getFacade()()` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/Dimension!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#getHeight()()` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#getHorizontalChainStyle()()` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#getHorizontalChainWeight()()` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-any/index.html!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#getKey()()` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#getPivotX()()` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#getPivotY()()` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#getRotationX()()` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#getRotationY()()` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#getRotationZ()()` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#getScaleX()()` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#getScaleY()()` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#getTag()()` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#getTranslationX()()` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#getTranslationY()()` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#getTranslationZ()()` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#getVerticalChainStyle(int)(chainStyle: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html)` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#getVerticalChainWeight()()` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-any/index.html!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#getView()()` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/Dimension!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#getWidth()()` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#height(androidx.constraintlayout.core.state.Dimension)(dimension: https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/Dimension!)` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#horizontalBias(float)(value: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html)` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#left()()` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#leftToLeft(java.lang.Object)(reference: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-any/index.html!)` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#leftToRight(java.lang.Object)(reference: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-any/index.html!)` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#margin(java.lang.Object)(marginValue: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-any/index.html!)` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#margin(int)(value: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html)` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#marginGone(java.lang.Object)(marginGoneValue: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-any/index.html!)` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#marginGone(int)(value: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html)` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#pivotX(float)(x: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html)` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#pivotY(float)(y: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html)` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#right()()` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#rightToLeft(java.lang.Object)(reference: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-any/index.html!)` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#rightToRight(java.lang.Object)(reference: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-any/index.html!)` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#rotationX(float)(x: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html)` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#rotationY(float)(y: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html)` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#rotationZ(float)(z: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html)` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#scaleX(float)(x: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html)` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#scaleY(float)(y: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html)` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-unit/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#setConstraintWidget(androidx.constraintlayout.core.widgets.ConstraintWidget)(widget: https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/widgets/ConstraintWidget!)` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-unit/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#setFacade(androidx.constraintlayout.core.state.helpers.Facade)(facade: https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/helpers/Facade!)` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#setHeight(androidx.constraintlayout.core.state.Dimension)(dimension: https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/Dimension!)` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-unit/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#setHorizontalChainStyle(int)(chainStyle: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html)` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-unit/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#setHorizontalChainWeight(float)(weight: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html)` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-unit/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#setKey(java.lang.Object)(key: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-any/index.html!)` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-unit/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#setTag(java.lang.String)(tag: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html!)` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-unit/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#setVerticalChainStyle(int)(chainStyle: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html)` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-unit/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#setVerticalChainWeight(float)(weight: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html)` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-unit/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#setView(java.lang.Object)(view: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-any/index.html!)` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#setWidth(androidx.constraintlayout.core.state.Dimension)(dimension: https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/Dimension!)` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#start()()` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#startToEnd(java.lang.Object)(reference: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-any/index.html!)` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#startToStart(java.lang.Object)(reference: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-any/index.html!)` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#top()()` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#topToBottom(java.lang.Object)(reference: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-any/index.html!)` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#topToTop(java.lang.Object)(reference: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-any/index.html!)` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#translationX(float)(x: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html)` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#translationY(float)(y: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html)` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#translationZ(float)(z: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html)` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-unit/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#validate()()` Validate the constraints | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#verticalBias(float)(value: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html)` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#visibility(int)(visibility: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html)` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#width(androidx.constraintlayout.core.state.Dimension)(dimension: https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/Dimension!)` | |
| From [androidx.constraintlayout.core.state.HelperReference](https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/HelperReference) |---|---| | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/HelperReference!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/HelperReference#add(java.lang.Object...)(objects: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-array/index.html<https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-any/index.html!>!)` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-unit/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/HelperReference#applyBase()()` Allows the derived classes to invoke the apply method in the ConstraintReference | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/widgets/ConstraintWidget!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/HelperReference#getConstraintWidget()()` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/widgets/HelperWidget!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/HelperReference#getHelperWidget()()` | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/State.Helper!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/HelperReference#getType()()` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-unit/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/HelperReference#setHelperWidget(androidx.constraintlayout.core.widgets.HelperWidget)(helperWidget: https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/widgets/HelperWidget!)` | |

| ### Inherited properties |
|---|
| From [androidx.constraintlayout.core.state.helpers.ChainReference](https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/helpers/ChainReference) |---|---| | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/helpers/ChainReference#mBias()` | | `https://developer.android.com/reference/java/util/HashMap.html<https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html!, https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html!>` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/helpers/ChainReference#mMapPostMargin()` **This property is deprecated.** Unintended visibility, use `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/helpers/ChainReference#getPostMargin(java.lang.String)` instead <br /> | | `https://developer.android.com/reference/java/util/HashMap.html<https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html!, https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html!>` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/helpers/ChainReference#mMapPreMargin()` **This property is deprecated.** Unintended visibility, use `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/helpers/ChainReference#getPreMargin(java.lang.String)` instead <br /> | | `https://developer.android.com/reference/java/util/HashMap.html<https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html!, https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html!>` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/helpers/ChainReference#mMapWeights()` **This property is deprecated.** Unintended visibility, use `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/helpers/ChainReference#getWeight(java.lang.String)` instead <br /> | | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/State.Chain` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/helpers/ChainReference#mStyle()` | |
| From [androidx.constraintlayout.core.state.ConstraintReference](https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference) |---|---| | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-any/index.html!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#mBottomToBottom()` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-any/index.html!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#mBottomToTop()` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-any/index.html!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#mEndToEnd()` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-any/index.html!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#mEndToStart()` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#mHorizontalBias()` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-any/index.html!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#mLeftToLeft()` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-any/index.html!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#mLeftToRight()` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#mMarginBottom()` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#mMarginBottomGone()` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#mMarginEnd()` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#mMarginEndGone()` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#mMarginLeft()` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#mMarginLeftGone()` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#mMarginRight()` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#mMarginRightGone()` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#mMarginStart()` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#mMarginStartGone()` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#mMarginTop()` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#mMarginTopGone()` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-any/index.html!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#mRightToLeft()` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-any/index.html!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#mRightToRight()` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-any/index.html!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#mStartToEnd()` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-any/index.html!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#mStartToStart()` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-any/index.html!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#mTopToBottom()` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-any/index.html!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#mTopToTop()` | | `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/ConstraintReference#mVerticalBias()` | |
| From [androidx.constraintlayout.core.state.HelperReference](https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/HelperReference) |---|---| | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/State!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/HelperReference#mHelperState()` | | `https://developer.android.com/reference/java/util/ArrayList.html<https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-any/index.html!>!` | `https://developer.android.com/reference/kotlin/androidx/constraintlayout/core/state/HelperReference#mReferences()` | |

## Public constructors

### VerticalChainReference

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

```
VerticalChainReference(state: State!)
```

## Public functions

### apply

```
fun apply(): Unit
```