Package androidx.constraintlayout.core.widgets

Class Flow

java.lang.Object

androidx.constraintlayout.core.widgets.ConstraintWidget

androidx.constraintlayout.core.widgets.HelperWidget

androidx.constraintlayout.core.widgets.VirtualLayout

androidx.constraintlayout.core.widgets.Flow

All Implemented Interfaces:

Helper

public class Flow
extends VirtualLayout

Implements the Flow virtual layout.

Nested Class Summary

Nested classes/interfaces inherited from class androidx.constraintlayout.core.widgets.ConstraintWidget

ConstraintWidget.DimensionBehaviour

Field Summary

Fields

Modifier and Type	Field	Description
static int	HORIZONTAL_ALIGN_CENTER
static int	HORIZONTAL_ALIGN_END
static int	HORIZONTAL_ALIGN_START
static int	VERTICAL_ALIGN_BASELINE
static int	VERTICAL_ALIGN_BOTTOM
static int	VERTICAL_ALIGN_CENTER
static int	VERTICAL_ALIGN_TOP
static int	WRAP_ALIGNED
static int	WRAP_CHAIN
static int	WRAP_CHAIN_NEW
static int	WRAP_NONE

Fields inherited from class androidx.constraintlayout.core.widgets.VirtualLayout

mMeasure

Fields inherited from class androidx.constraintlayout.core.widgets.HelperWidget

mWidgets, mWidgetsCount

Fields inherited from class androidx.constraintlayout.core.widgets.ConstraintWidget

ANCHOR_BASELINE, ANCHOR_BOTTOM, ANCHOR_LEFT, ANCHOR_RIGHT, ANCHOR_TOP, BOTH, CHAIN_PACKED, CHAIN_SPREAD, CHAIN_SPREAD_INSIDE, DEFAULT_BIAS, DIRECT, frame, GONE, HORIZONTAL, horizontalChainRun, horizontalGroup, INVISIBLE, isTerminalWidget, mAnchors, MATCH_CONSTRAINT_PERCENT, MATCH_CONSTRAINT_RATIO, MATCH_CONSTRAINT_RATIO_RESOLVED, MATCH_CONSTRAINT_SPREAD, MATCH_CONSTRAINT_WRAP, mBaseline, mBottom, mCenter, mDimensionRatio, mDimensionRatioSide, measured, mHorizontalResolution, mHorizontalRun, mIsHeightWrapContent, mIsWidthWrapContent, mLeft, mListAnchors, mListDimensionBehaviors, mListNextMatchConstraintsWidget, mMatchConstraintDefaultHeight, mMatchConstraintDefaultWidth, mMatchConstraintMaxHeight, mMatchConstraintMaxWidth, mMatchConstraintMinHeight, mMatchConstraintMinWidth, mMatchConstraintPercentHeight, mMatchConstraintPercentWidth, mMinHeight, mMinWidth, mNextChainWidget, mOffsetX, mOffsetY, mParent, mResolvedMatchConstraintDefault, mRight, mTop, mVerticalResolution, mVerticalRun, mWeight, mX, mY, run, SOLVER, stringId, UNKNOWN, VERTICAL, verticalChainRun, verticalGroup, VISIBLE, WRAP_BEHAVIOR_HORIZONTAL_ONLY, WRAP_BEHAVIOR_INCLUDED, WRAP_BEHAVIOR_SKIPPED, WRAP_BEHAVIOR_VERTICAL_ONLY

Constructor Summary

Constructors

Constructor	Description
Flow()

Method Summary

Modifier and Type	Method	Description
void	addToSolver(LinearSystem system, boolean optimize)	Add this widget to the solver
void	copy(ConstraintWidget src, java.util.HashMap<ConstraintWidget,ConstraintWidget> map)
float	getMaxElementsWrap()
void	measure(int widthMode, int widthSize, int heightMode, int heightSize)
void	setFirstHorizontalBias(float value)
void	setFirstHorizontalStyle(int value)
void	setFirstVerticalBias(float value)
void	setFirstVerticalStyle(int value)
void	setHorizontalAlign(int value)
void	setHorizontalBias(float value)
void	setHorizontalGap(int value)
void	setHorizontalStyle(int value)
void	setLastHorizontalBias(float value)
void	setLastHorizontalStyle(int value)
void	setLastVerticalBias(float value)
void	setLastVerticalStyle(int value)
void	setMaxElementsWrap(int value)
void	setOrientation(int value)
void	setVerticalAlign(int value)
void	setVerticalBias(float value)
void	setVerticalGap(int value)
void	setVerticalStyle(int value)
void	setWrapMode(int value)

Methods inherited from class androidx.constraintlayout.core.widgets.VirtualLayout

applyRtl, captureWidgets, contains, getMeasuredHeight, getMeasuredWidth, getPaddingBottom, getPaddingLeft, getPaddingRight, getPaddingTop, measure, measureChildren, needsCallbackFromSolver, needSolverPass, setMeasure, setPadding, setPaddingBottom, setPaddingEnd, setPaddingLeft, setPaddingRight, setPaddingStart, setPaddingTop, updateConstraints

Methods inherited from class androidx.constraintlayout.core.widgets.HelperWidget

add, addDependents, findGroupInDependents, removeAllIds

Methods inherited from class androidx.constraintlayout.core.widgets.ConstraintWidget

addChildrenToSolverByDependency, allowedInBarrier, connect, connect, connect, connectCircularConstraint, createObjectVariables, ensureMeasureRequested, ensureWidgetRuns, getAnchor, getAnchors, getBaselineDistance, getBiasPercent, getBottom, getCompanionWidget, getContainerItemSkip, getDebugName, getDimensionBehaviour, getDimensionRatio, getDimensionRatioSide, getHasBaseline, getHeight, getHorizontalBiasPercent, getHorizontalChainControlWidget, getHorizontalChainStyle, getHorizontalDimensionBehaviour, getHorizontalMargin, getLastHorizontalMeasureSpec, getLastVerticalMeasureSpec, getLeft, getLength, getMaxHeight, getMaxWidth, getMinHeight, getMinWidth, getNextChainMember, getOptimizerWrapHeight, getOptimizerWrapWidth, getParent, getPreviousChainMember, getRight, getRootX, getRootY, getRun, getSceneString, getTop, getType, getVerticalBiasPercent, getVerticalChainControlWidget, getVerticalChainStyle, getVerticalDimensionBehaviour, getVerticalMargin, getVisibility, getWidth, getWrapBehaviorInParent, getX, getY, hasBaseline, hasDanglingDimension, hasDependencies, hasDimensionOverride, hasResolvedTargets, immediateConnect, isAnimated, isHeightWrapContent, isHorizontalSolvingPassDone, isInBarrier, isInHorizontalChain, isInPlaceholder, isInVerticalChain, isInVirtualLayout, isMeasureRequested, isResolvedHorizontally, isResolvedVertically, isRoot, isSpreadHeight, isSpreadWidth, isVerticalSolvingPassDone, isWidthWrapContent, markHorizontalSolvingPassDone, markVerticalSolvingPassDone, oppositeDimensionDependsOn, oppositeDimensionsTied, reset, resetAllConstraints, resetAnchor, resetAnchors, resetFinalResolution, resetSolverVariables, resetSolvingPassFlag, serialize, setAnimated, setBaselineDistance, setCompanionWidget, setContainerItemSkip, setDebugName, setDebugSolverName, setDimension, setDimensionRatio, setDimensionRatio, setFinalBaseline, setFinalFrame, setFinalHorizontal, setFinalLeft, setFinalTop, setFinalVertical, setFrame, setFrame, setGoneMargin, setHasBaseline, setHeight, setHeightWrapContent, setHorizontalBiasPercent, setHorizontalChainStyle, setHorizontalDimension, setHorizontalDimensionBehaviour, setHorizontalMatchStyle, setHorizontalWeight, setInBarrier, setInPlaceholder, setInVirtualLayout, setLastMeasureSpec, setLength, setMaxHeight, setMaxWidth, setMeasureRequested, setMinHeight, setMinWidth, setOffset, setOrigin, setParent, setType, setupDimensionRatio, setVerticalBiasPercent, setVerticalChainStyle, setVerticalDimension, setVerticalDimensionBehaviour, setVerticalMatchStyle, setVerticalWeight, setVisibility, setWidth, setWidthWrapContent, setWrapBehaviorInParent, setX, setY, toString, updateFromRuns, updateFromSolver

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

HORIZONTAL_ALIGN_START

public static final int HORIZONTAL_ALIGN_START

See Also:

Constant Field Values

HORIZONTAL_ALIGN_END

public static final int HORIZONTAL_ALIGN_END

See Also:

Constant Field Values

HORIZONTAL_ALIGN_CENTER

public static final int HORIZONTAL_ALIGN_CENTER

See Also:

Constant Field Values

VERTICAL_ALIGN_TOP

public static final int VERTICAL_ALIGN_TOP

See Also:

Constant Field Values

VERTICAL_ALIGN_BOTTOM

public static final int VERTICAL_ALIGN_BOTTOM

See Also:

Constant Field Values

VERTICAL_ALIGN_CENTER

public static final int VERTICAL_ALIGN_CENTER

See Also:

Constant Field Values

VERTICAL_ALIGN_BASELINE

public static final int VERTICAL_ALIGN_BASELINE

See Also:

Constant Field Values

WRAP_NONE

public static final int WRAP_NONE

See Also:

Constant Field Values

WRAP_CHAIN

public static final int WRAP_CHAIN

See Also:

Constant Field Values

WRAP_ALIGNED

public static final int WRAP_ALIGNED

See Also:

Constant Field Values

WRAP_CHAIN_NEW

public static final int WRAP_CHAIN_NEW

See Also:

Constant Field Values

Constructor Detail

Flow

public Flow()

Method Detail

copy

public void copy(ConstraintWidget src,
                 java.util.HashMap<ConstraintWidget,ConstraintWidget> map)

Overrides:

copy in class HelperWidget

setOrientation

public void setOrientation(int value)

setFirstHorizontalStyle

public void setFirstHorizontalStyle(int value)

setFirstVerticalStyle

public void setFirstVerticalStyle(int value)

setLastHorizontalStyle

public void setLastHorizontalStyle(int value)

setLastVerticalStyle

public void setLastVerticalStyle(int value)

setHorizontalStyle

public void setHorizontalStyle(int value)

setVerticalStyle

public void setVerticalStyle(int value)

setHorizontalBias

public void setHorizontalBias(float value)

setVerticalBias

public void setVerticalBias(float value)

setFirstHorizontalBias

public void setFirstHorizontalBias(float value)

setFirstVerticalBias

public void setFirstVerticalBias(float value)

setLastHorizontalBias

public void setLastHorizontalBias(float value)

setLastVerticalBias

public void setLastVerticalBias(float value)

setHorizontalAlign

public void setHorizontalAlign(int value)

setVerticalAlign

public void setVerticalAlign(int value)

setWrapMode

public void setWrapMode(int value)

setHorizontalGap

public void setHorizontalGap(int value)

setVerticalGap

public void setVerticalGap(int value)

setMaxElementsWrap

public void setMaxElementsWrap(int value)

getMaxElementsWrap

public float getMaxElementsWrap()

measure

public void measure(int widthMode,
                    int widthSize,
                    int heightMode,
                    int heightSize)

Overrides:

measure in class VirtualLayout

addToSolver

public void addToSolver(LinearSystem system,
                        boolean optimize)

Add this widget to the solver

Overrides:

addToSolver in class ConstraintWidget

Parameters:

system - the solver we want to add the widget to

optimize - true if Optimizer.OPTIMIZATION_GRAPH is on