HelperReference (core 1.1.0-alpha03 API)

java.lang.Object
- androidx.constraintlayout.core.state.ConstraintReference
- - androidx.constraintlayout.core.state.HelperReference

All Implemented Interfaces:

Facade, Reference

Direct Known Subclasses:

AlignHorizontallyReference, AlignVerticallyReference, BarrierReference, ChainReference
```
public class HelperReference
extends ConstraintReference
implements Facade
```

Nested Class Summary
- Nested classes/interfaces inherited from class androidx.constraintlayout.core.state.ConstraintReference
  ConstraintReference.ConstraintReferenceFactory

Field Summary

Fields
Modifier and Type Field Description

protected java.util.ArrayList<java.lang.Object> mReferences

protected State mState
- Fields inherited from class androidx.constraintlayout.core.state.ConstraintReference
  mBottomToBottom, mBottomToTop, mEndToEnd, mEndToStart, mLeftToLeft, mLeftToRight, mMarginBottom, mMarginBottomGone, mMarginEnd, mMarginEndGone, mMarginLeft, mMarginLeftGone, mMarginRight, mMarginRightGone, mMarginStart, mMarginStartGone, mMarginTop, mMarginTopGone, mRightToLeft, mRightToRight, mStartToEnd, mStartToStart, mTopToBottom, mTopToTop

Constructor Summary

Constructors
Constructor Description

HelperReference(State state, State.Helper type)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`HelperReference`	`add(java.lang.Object... objects)`
`void`	`apply()`
`ConstraintWidget`	`getConstraintWidget()`
`HelperWidget`	`getHelperWidget()`
`State.Helper`	`getType()`
`void`	`setHelperWidget(HelperWidget helperWidget)`

Methods inherited from class androidx.constraintlayout.core.state.ConstraintReference
addCustomColor, addCustomFloat, alpha, baseline, baselineToBaseline, baselineToBottom, baselineToTop, bias, bottom, bottomToBottom, bottomToTop, centerHorizontally, centerVertically, circularConstraint, clear, clearHorizontal, clearVertical, createConstraintWidget, end, endToEnd, endToStart, getAlpha, getFacade, getHeight, getHorizontalChainStyle, getHorizontalChainWeight, getKey, getPivotX, getPivotY, getRotationX, getRotationY, getRotationZ, getScaleX, getScaleY, getTag, getTranslationX, getTranslationY, getTranslationZ, getVerticalChainStyle, getVerticalChainWeight, getView, getWidth, height, horizontalBias, left, leftToLeft, leftToRight, margin, margin, marginGone, marginGone, pivotX, pivotY, right, rightToLeft, rightToRight, rotationX, rotationY, rotationZ, scaleX, scaleY, setConstraintWidget, setFacade, setHeight, setHorizontalChainStyle, setHorizontalChainWeight, setKey, setTag, setVerticalChainStyle, setVerticalChainWeight, setView, setWidth, start, startToEnd, startToStart, top, topToBottom, topToTop, translationX, translationY, translationZ, validate, verticalBias, visibility, width

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

mState
```
protected final State mState
```

mReferences

protected java.util.ArrayList<java.lang.Object> mReferences

Constructor Detail

HelperReference

public HelperReference(State state,
                       State.Helper type)

Method Detail
- getType
```
public State.Helper getType()
```
- add
```
public HelperReference add(java.lang.Object... objects)
```
- setHelperWidget
```
public void setHelperWidget(HelperWidget helperWidget)
```
- getHelperWidget
```
public HelperWidget getHelperWidget()
```
- getConstraintWidget
```
public ConstraintWidget getConstraintWidget()
```
  Specified by:
  
  getConstraintWidget in interface Facade
  
  Specified by:
  
  getConstraintWidget in interface Reference
  
  Overrides:
  
  getConstraintWidget in class ConstraintReference
- apply
```
public void apply()
```
  Specified by:
  
  apply in interface Facade
  
  Specified by:
  
  apply in interface Reference
  
  Overrides:
  
  apply in class ConstraintReference