Package com.airbnb.lottie.animation.keyframe

Class BaseKeyframeAnimation<K,A>

java.lang.Object

com.airbnb.lottie.animation.keyframe.BaseKeyframeAnimation<K,A>

Type Parameters:

K - Keyframe type

A - Animation type

Direct Known Subclasses:

ColorKeyframeAnimation, FloatKeyframeAnimation, GradientColorKeyframeAnimation, IntegerKeyframeAnimation, PathKeyframeAnimation, PointKeyframeAnimation, ScaleKeyframeAnimation, ShapeKeyframeAnimation, SplitDimensionPathKeyframeAnimation, TextKeyframeAnimation, ValueCallbackKeyframeAnimation

public abstract class BaseKeyframeAnimation<K,A>
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	BaseKeyframeAnimation.AnimationListener

Field Summary

Fields

Modifier and Type	Field	Description
protected float	progress
protected LottieValueCallback<A>	valueCallback

Method Summary

Modifier and Type	Method	Description
void	addUpdateListener(BaseKeyframeAnimation.AnimationListener listener)
protected Keyframe<K>	getCurrentKeyframe()
protected float	getInterpolatedCurrentKeyframeProgress()	Takes the value of getLinearCurrentKeyframeProgress() and interpolates it with the current keyframe's interpolator.
float	getProgress()
A	getValue()
protected A	getValue(Keyframe<K> keyframe, float linearKeyframeProgress, float xKeyframeProgress, float yKeyframeProgress)	Similar to getValue(Keyframe, float) but used when an animation has separate interpolators for the X and Y axis.
void	notifyListeners()
void	setIsDiscrete()
void	setProgress(float progress)
void	setValueCallback(LottieValueCallback<A> valueCallback)

Methods inherited from class java.lang.Object

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

Field Detail

progress

protected float progress

valueCallback

@Nullable
protected LottieValueCallback<A> valueCallback

Method Detail

setIsDiscrete

public void setIsDiscrete()

addUpdateListener

public void addUpdateListener(BaseKeyframeAnimation.AnimationListener listener)

setProgress

public void setProgress(@FloatRange(from=0.0,to=1.0)
                        float progress)

notifyListeners

public void notifyListeners()

getCurrentKeyframe

protected Keyframe<K> getCurrentKeyframe()

getInterpolatedCurrentKeyframeProgress

protected float getInterpolatedCurrentKeyframeProgress()

Takes the value of getLinearCurrentKeyframeProgress() and interpolates it with the current keyframe's interpolator.

getValue

public A getValue()

getProgress

public float getProgress()

setValueCallback

public void setValueCallback(@Nullable
                             LottieValueCallback<A> valueCallback)

getValue

protected A getValue(Keyframe<K> keyframe,
                     float linearKeyframeProgress,
                     float xKeyframeProgress,
                     float yKeyframeProgress)

Similar to getValue(Keyframe, float) but used when an animation has separate interpolators for the X and Y axis.