Package androidx.constraintlayout.core.state

Class HelperReference

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, FlowReference

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

Fields inherited from class androidx.constraintlayout.core.state.ConstraintReference

mBottomToBottom, mBottomToTop, mEndToEnd, mEndToStart, mHorizontalBias, mLeftToLeft, mLeftToRight, mMarginBottom, mMarginBottomGone, mMarginEnd, mMarginEndGone, mMarginLeft, mMarginLeftGone, mMarginRight, mMarginRightGone, mMarginStart, mMarginStartGone, mMarginTop, mMarginTopGone, mRightToLeft, mRightToRight, mStartToEnd, mStartToStart, mTopToBottom, mTopToTop, mVerticalBias

Constructor Summary

Constructors

Constructor	Description
HelperReference(State state, State.Helper type)

Method Summary

Modifier and Type	Method	Description
HelperReference	add(java.lang.Object... objects)
void	apply()
void	applyBase()	Allows the derived classes to invoke the apply method in the ConstraintReference
ConstraintWidget	getConstraintWidget()
HelperWidget	getHelperWidget()
State.Helper	getType()
void	setHelperWidget(HelperWidget helperWidget)

Methods inherited from class androidx.constraintlayout.core.state.ConstraintReference

addCustomColor, addCustomFloat, alpha, applyWidgetConstraints, baseline, baselineToBaseline, baselineToBottom, baselineToTop, bias, bottom, bottomToBottom, bottomToTop, centerHorizontally, centerVertically, circularConstraint, clear, clearAll, 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

mHelperState

protected final State mHelperState

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

applyBase

public void applyBase()

Allows the derived classes to invoke the apply method in the ConstraintReference