ViewTimeCycle

Artifact: androidx.constraintlayout:constraintlayout

View Source

Added in 2.2.0

---

Kotlin |Java

public abstract class ViewTimeCycle extends TimeCycleSplineSet

java.lang.Object
↳	androidx.constraintlayout.core.motion.utils.TimeCycleSplineSet
	↳	androidx.constraintlayout.motion.utils.ViewTimeCycle

Known direct subclasses

ViewTimeCycle.CustomSet, ViewTimeCycle.PathRotate

ViewTimeCycle.CustomSet
ViewTimeCycle.PathRotate

---

This engine allows manipulation of attributes by wave shapes oscillating in time

Summary

Nested types
public class ViewTimeCycle.CustomSet extends ViewTimeCycle
public class ViewTimeCycle.PathRotate extends ViewTimeCycle

Public constructors
ViewTimeCycle()

Public methods
float	get(float pos, long time, View view, KeyCache cache) get a value from the time cycle
static ViewTimeCycle	makeCustomSpline(String str, SparseArray<ConstraintAttribute> attrList) make a custom time cycle
static ViewTimeCycle	makeSpline(String str, long currentTime) Make a time cycle spline
abstract boolean	setProperty(View view, float t, long time, KeyCache cache) Set the time cycle parameters

Inherited Constants
From androidx.constraintlayout.core.motion.utils.TimeCycleSplineSet static final int CURVE_OFFSET = 2 static final int CURVE_PERIOD = 1 static final int CURVE_VALUE = 0

Inherited fields
From androidx.constraintlayout.core.motion.utils.TimeCycleSplineSet float[] mCache boolean mContinue int mCount CurveFit mCurveFit float mLastCycle long mLastTime int[] mTimePoints String mType float[][] mValues int mWaveShape static float sVal2PI

Inherited methods
From androidx.constraintlayout.core.motion.utils.TimeCycleSplineSet float calcWave(float period) CurveFit getCurveFit() void setPoint(int position, float value, float period, int shape, float offset) void setStartTime(long currentTime) void setType(String type) void setup(int curveType) String toString()

Public constructors

ViewTimeCycle

Added in 2.2.0

public ViewTimeCycle()

Public methods

get

Added in 2.2.0

public float get(float pos, long time, View view, KeyCache cache)

get a value from the time cycle

Parameters
float pos
long time
View view
KeyCache cache

Returns
float

makeCustomSpline

Added in 2.2.0

public static ViewTimeCycle makeCustomSpline(String str, SparseArray<ConstraintAttribute> attrList)

make a custom time cycle

Parameters
String str
SparseArray<ConstraintAttribute> attrList

Returns
ViewTimeCycle

makeSpline

Added in 2.2.0

public static ViewTimeCycle makeSpline(String str, long currentTime)

Make a time cycle spline

Parameters
String str
long currentTime

Returns
ViewTimeCycle

setProperty

Added in 2.2.0

public abstract boolean setProperty(View view, float t, long time, KeyCache cache)

Set the time cycle parameters

Parameters
View view
float t
long time
KeyCache cache

Returns
boolean