androidx.constraintlayout.core.state

Class Transition

java.lang.Object

androidx.constraintlayout.core.state.Transition

public class Transition
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
static int	END
static int	INTERPOLATED
static int	START

Constructor Summary

Constructors

Constructor and Description
Transition()

Method Summary

Modifier and Type	Method and Description
void	addCustomColor(int state, java.lang.String widgetId, java.lang.String property, int color)
void	addCustomFloat(int state, java.lang.String widgetId, java.lang.String property, float value)
void	addKeyAttribute(java.lang.String target, TypedBundle bundle)
void	addKeyCycle(java.lang.String target, TypedBundle bundle)
void	addKeyPosition(java.lang.String target, int frame, int type, float x, float y)
void	addKeyPosition(java.lang.String target, TypedBundle bundle)
void	clear()
boolean	contains(java.lang.String key)
void	fillKeyPositions(WidgetFrame frame, float[] x, float[] y, float[] pos)
androidx.constraintlayout.core.state.Transition.KeyPosition	findNextPosition(java.lang.String target, int frameNumber)
androidx.constraintlayout.core.state.Transition.KeyPosition	findPreviousPosition(java.lang.String target, int frameNumber)
WidgetFrame	getEnd(ConstraintWidget child) Used in debug draw
WidgetFrame	getEnd(java.lang.String id)
WidgetFrame	getInterpolated(ConstraintWidget child) Used after the interpolation
WidgetFrame	getInterpolated(java.lang.String id)
int	getKeyFrames(java.lang.String id, float[] rectangles, int[] pathMode, int[] position)
Motion	getMotion(java.lang.String id)
int	getNumberKeyPositions(WidgetFrame frame)
float[]	getPath(java.lang.String id)
WidgetFrame	getStart(ConstraintWidget child) Used in debug draw
WidgetFrame	getStart(java.lang.String id)
boolean	hasPositionKeyframes()
void	interpolate(int parentWidth, int parentHeight, float progress)
boolean	isEmpty()
void	setTransitionProperties(TypedBundle bundle)
void	updateFrom(ConstraintWidgetContainer container, int state)

Methods inherited from class java.lang.Object

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

Field Detail

START

public static final int START

See Also:

Constant Field Values

END

public static final int END

See Also:

Constant Field Values

INTERPOLATED

public static final int INTERPOLATED

See Also:

Constant Field Values

Constructor Detail

Transition

public Transition()

Method Detail

findPreviousPosition

public androidx.constraintlayout.core.state.Transition.KeyPosition findPreviousPosition(java.lang.String target,
                                                                                        int frameNumber)

findNextPosition

public androidx.constraintlayout.core.state.Transition.KeyPosition findNextPosition(java.lang.String target,
                                                                                    int frameNumber)

getNumberKeyPositions

public int getNumberKeyPositions(WidgetFrame frame)

getMotion

public Motion getMotion(java.lang.String id)

fillKeyPositions

public void fillKeyPositions(WidgetFrame frame,
                             float[] x,
                             float[] y,
                             float[] pos)

hasPositionKeyframes

public boolean hasPositionKeyframes()

setTransitionProperties

public void setTransitionProperties(TypedBundle bundle)

isEmpty

public boolean isEmpty()

clear

public void clear()

contains

public boolean contains(java.lang.String key)

addKeyPosition

public void addKeyPosition(java.lang.String target,
                           TypedBundle bundle)

addKeyAttribute

public void addKeyAttribute(java.lang.String target,
                            TypedBundle bundle)

addKeyCycle

public void addKeyCycle(java.lang.String target,
                        TypedBundle bundle)

addKeyPosition

public void addKeyPosition(java.lang.String target,
                           int frame,
                           int type,
                           float x,
                           float y)

addCustomFloat

public void addCustomFloat(int state,
                           java.lang.String widgetId,
                           java.lang.String property,
                           float value)

addCustomColor

public void addCustomColor(int state,
                           java.lang.String widgetId,
                           java.lang.String property,
                           int color)

updateFrom

public void updateFrom(ConstraintWidgetContainer container,
                       int state)

interpolate

public void interpolate(int parentWidth,
                        int parentHeight,
                        float progress)

getStart

public WidgetFrame getStart(java.lang.String id)

getEnd

public WidgetFrame getEnd(java.lang.String id)

getInterpolated

public WidgetFrame getInterpolated(java.lang.String id)

getPath

public float[] getPath(java.lang.String id)

getKeyFrames

public int getKeyFrames(java.lang.String id,
                        float[] rectangles,
                        int[] pathMode,
                        int[] position)

getStart

public WidgetFrame getStart(ConstraintWidget child)

Used in debug draw

Parameters:

child -

Returns:

getEnd

public WidgetFrame getEnd(ConstraintWidget child)

Used in debug draw

Parameters:

child -

Returns:

getInterpolated

public WidgetFrame getInterpolated(ConstraintWidget child)

Used after the interpolation

Parameters:

child -

Returns: