# HChain

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

*** ** * ** ***


```
public class HChain extends Chain
```

<br />

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

*** ** * ** ***

## Summary

| ### Nested types |
|---|
| `public inner class https://developer.android.com/reference/androidx/constraintlayout/core/dsl/HChain.HAnchor extends https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Chain.Anchor` |

| ### Public constructors |
|---|
| `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/HChain#HChain(java.lang.String)(https://developer.android.com/reference/java/lang/String.html name)` |
| `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/HChain#HChain(java.lang.String,java.lang.String)(https://developer.android.com/reference/java/lang/String.html name, https://developer.android.com/reference/java/lang/String.html config)` |

| ### Public methods |
|---|---|
| `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/HChain.HAnchor` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/HChain#getEnd()()` Get the end anchor |
| `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/HChain.HAnchor` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/HChain#getLeft()()` Get the left anchor |
| `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/HChain.HAnchor` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/HChain#getRight()()` Get the right anchor |
| `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/HChain.HAnchor` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/HChain#getStart()()` Get the start anchor |
| `void` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/HChain#linkToEnd(androidx.constraintlayout.core.dsl.Constraint.HAnchor)(https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Constraint.HAnchor anchor)` Connect anchor to End |
| `void` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/HChain#linkToEnd(androidx.constraintlayout.core.dsl.Constraint.HAnchor,int)(https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Constraint.HAnchor anchor, int margin)` Connect anchor to End |
| `void` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/HChain#linkToEnd(androidx.constraintlayout.core.dsl.Constraint.HAnchor,int,int)(https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Constraint.HAnchor anchor, int margin, int goneMargin)` Connect anchor to End |
| `void` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/HChain#linkToLeft(androidx.constraintlayout.core.dsl.Constraint.HAnchor)(https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Constraint.HAnchor anchor)` Connect anchor to Left |
| `void` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/HChain#linkToLeft(androidx.constraintlayout.core.dsl.Constraint.HAnchor,int)(https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Constraint.HAnchor anchor, int margin)` Connect anchor to Left |
| `void` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/HChain#linkToLeft(androidx.constraintlayout.core.dsl.Constraint.HAnchor,int,int)(https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Constraint.HAnchor anchor, int margin, int goneMargin)` Connect anchor to Left |
| `void` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/HChain#linkToRight(androidx.constraintlayout.core.dsl.Constraint.HAnchor)(https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Constraint.HAnchor anchor)` Connect anchor to Right |
| `void` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/HChain#linkToRight(androidx.constraintlayout.core.dsl.Constraint.HAnchor,int)(https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Constraint.HAnchor anchor, int margin)` Connect anchor to Right |
| `void` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/HChain#linkToRight(androidx.constraintlayout.core.dsl.Constraint.HAnchor,int,int)(https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Constraint.HAnchor anchor, int margin, int goneMargin)` Connect anchor to Right |
| `void` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/HChain#linkToStart(androidx.constraintlayout.core.dsl.Constraint.HAnchor)(https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Constraint.HAnchor anchor)` Connect anchor to Start |
| `void` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/HChain#linkToStart(androidx.constraintlayout.core.dsl.Constraint.HAnchor,int)(https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Constraint.HAnchor anchor, int margin)` Connect anchor to Start |
| `void` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/HChain#linkToStart(androidx.constraintlayout.core.dsl.Constraint.HAnchor,int,int)(https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Constraint.HAnchor anchor, int margin, int goneMargin)` Connect anchor to Start |

| ### Inherited Constants |
|---|
| From [androidx.constraintlayout.core.dsl.Chain](https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Chain) |---|---| | `static final https://developer.android.com/reference/java/util/Map.html<https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Chain.Style, https://developer.android.com/reference/java/lang/String.html>` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Chain#styleMap()` | |
| From [androidx.constraintlayout.core.dsl.Helper](https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Helper) |---|---| | `static final https://developer.android.com/reference/java/util/Map.html<https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Constraint.Side, https://developer.android.com/reference/java/lang/String.html>` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Helper#sideMap()` | | `static final https://developer.android.com/reference/java/util/Map.html<https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Helper.Type, https://developer.android.com/reference/java/lang/String.html>` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Helper#typeMap()` | |

| ### Inherited fields |
|---|
| From [androidx.constraintlayout.core.dsl.Chain](https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Chain) |---|---| | `https://developer.android.com/reference/java/util/ArrayList.html<https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Ref>` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Chain#references()` | |
| From [androidx.constraintlayout.core.dsl.Helper](https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Helper) |---|---| | `https://developer.android.com/reference/java/lang/String.html` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Helper#config()` | | `https://developer.android.com/reference/java/util/Map.html<https://developer.android.com/reference/java/lang/String.html, https://developer.android.com/reference/java/lang/String.html>` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Helper#configMap()` | | `final https://developer.android.com/reference/java/lang/String.html` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Helper#name()` | | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Helper.HelperType` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Helper#type()` | |

| ### Inherited methods |
|---|
| From [androidx.constraintlayout.core.dsl.Chain](https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Chain) |---|---| | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Chain` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Chain#addReference(androidx.constraintlayout.core.dsl.Ref)(https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Ref ref)` Add a new reference | | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Chain` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Chain#addReference(java.lang.String)(https://developer.android.com/reference/java/lang/String.html ref)` Add a new reference | | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Chain.Style` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Chain#getStyle()()` | | `https://developer.android.com/reference/java/lang/String.html` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Chain#referencesToString()()` convert references to a String representation | | `void` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Chain#setStyle(androidx.constraintlayout.core.dsl.Chain.Style)(https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Chain.Style style)` | |
| From [androidx.constraintlayout.core.dsl.Helper](https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Helper) |---|---| | `void` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Helper#append(java.util.Map<java.lang.String,java.lang.String>,java.lang.StringBuilder)(https://developer.android.com/reference/java/util/Map.html<https://developer.android.com/reference/java/lang/String.html, https://developer.android.com/reference/java/lang/String.html> map, https://developer.android.com/reference/java/lang/StringBuilder.html ret)` | | `https://developer.android.com/reference/java/util/Map.html<https://developer.android.com/reference/java/lang/String.html, https://developer.android.com/reference/java/lang/String.html>` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Helper#convertConfigToMap()()` | | `https://developer.android.com/reference/java/lang/String.html` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Helper#getConfig()()` | | `https://developer.android.com/reference/java/lang/String.html` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Helper#getId()()` | | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Helper.HelperType` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Helper#getType()()` | | `static void` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Helper#main(java.lang.String[])(String[] args)` | | `https://developer.android.com/reference/java/lang/String.html` | `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Helper#toString()()` | |

## Public constructors

### HChain

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

```
public HChain(String name)
```

### HChain

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

```
public HChain(String name, String config)
```

## Public methods

### getEnd

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

```
public HChain.HAnchor getEnd()
```

Get the end anchor

| Returns |
|---|---|
| `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/HChain.HAnchor` | the end anchor |

### getLeft

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

```
public HChain.HAnchor getLeft()
```

Get the left anchor

| Returns |
|---|---|
| `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/HChain.HAnchor` | the left anchor |

### getRight

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

```
public HChain.HAnchor getRight()
```

Get the right anchor

| Returns |
|---|---|
| `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/HChain.HAnchor` | the right anchor |

### getStart

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

```
public HChain.HAnchor getStart()
```

Get the start anchor

| Returns |
|---|---|
| `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/HChain.HAnchor` | the start anchor |

### linkToEnd

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

```
public void linkToEnd(Constraint.HAnchor anchor)
```

Connect anchor to End

| Parameters |
|---|---|
| `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Constraint.HAnchor anchor` | anchor to be connected |

### linkToEnd

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

```
public void linkToEnd(Constraint.HAnchor anchor, int margin)
```

Connect anchor to End

| Parameters |
|---|---|
| `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Constraint.HAnchor anchor` | anchor to be connected |
| `int margin` | value of the margin |

### linkToEnd

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

```
public void linkToEnd(Constraint.HAnchor anchor, int margin, int goneMargin)
```

Connect anchor to End

| Parameters |
|---|---|
| `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Constraint.HAnchor anchor` | anchor to be connected |
| `int margin` | value of the margin |
| `int goneMargin` | value of the goneMargin |

### linkToLeft

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

```
public void linkToLeft(Constraint.HAnchor anchor)
```

Connect anchor to Left

| Parameters |
|---|---|
| `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Constraint.HAnchor anchor` | anchor to be connected |

### linkToLeft

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

```
public void linkToLeft(Constraint.HAnchor anchor, int margin)
```

Connect anchor to Left

| Parameters |
|---|---|
| `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Constraint.HAnchor anchor` | anchor to be connected |
| `int margin` | value of the margin |

### linkToLeft

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

```
public void linkToLeft(Constraint.HAnchor anchor, int margin, int goneMargin)
```

Connect anchor to Left

| Parameters |
|---|---|
| `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Constraint.HAnchor anchor` | anchor to be connected |
| `int margin` | value of the margin |
| `int goneMargin` | value of the goneMargin |

### linkToRight

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

```
public void linkToRight(Constraint.HAnchor anchor)
```

Connect anchor to Right

| Parameters |
|---|---|
| `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Constraint.HAnchor anchor` | anchor to be connected |

### linkToRight

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

```
public void linkToRight(Constraint.HAnchor anchor, int margin)
```

Connect anchor to Right

| Parameters |
|---|---|
| `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Constraint.HAnchor anchor` | anchor to be connected |
| `int margin` | value of the margin |

### linkToRight

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

```
public void linkToRight(Constraint.HAnchor anchor, int margin, int goneMargin)
```

Connect anchor to Right

| Parameters |
|---|---|
| `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Constraint.HAnchor anchor` | anchor to be connected |
| `int margin` | value of the margin |
| `int goneMargin` | value of the goneMargin |

### linkToStart

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

```
public void linkToStart(Constraint.HAnchor anchor)
```

Connect anchor to Start

| Parameters |
|---|---|
| `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Constraint.HAnchor anchor` | anchor to be connected |

### linkToStart

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

```
public void linkToStart(Constraint.HAnchor anchor, int margin)
```

Connect anchor to Start

| Parameters |
|---|---|
| `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Constraint.HAnchor anchor` | anchor to be connected |
| `int margin` | value of the margin |

### linkToStart

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

```
public void linkToStart(Constraint.HAnchor anchor, int margin, int goneMargin)
```

Connect anchor to Start

| Parameters |
|---|---|
| `https://developer.android.com/reference/androidx/constraintlayout/core/dsl/Constraint.HAnchor anchor` | anchor to be connected |
| `int margin` | value of the margin |
| `int goneMargin` | value of the goneMargin |