Package com.airbnb.lottie.value

Class LottieValueCallback<T>

java.lang.Object

com.airbnb.lottie.value.LottieValueCallback<T>

Direct Known Subclasses:

LottieInterpolatedFloatValue, LottieInterpolatedIntegerValue, LottieInterpolatedPointValue, LottieRelativeFloatValueCallback, LottieRelativeIntegerValueCallback, LottieRelativePointValueCallback

public class LottieValueCallback<T>
extends java.lang.Object

Allows you to set a callback on a resolved KeyPath to modify its animation values at runtime.

Field Summary

Fields

Modifier and Type	Field	Description
protected T	value	This can be set with setValue(Object) to use a value instead of deferring to the callback.

Constructor Summary

Constructors

Constructor	Description
LottieValueCallback()
LottieValueCallback(T staticValue)

Method Summary

Modifier and Type	Method	Description
T	getValue(LottieFrameInfo<T> frameInfo)	Override this if you haven't set a static value in the constructor or with setValue.
T	getValueInternal(float startFrame, float endFrame, T startValue, T endValue, float linearKeyframeProgress, float interpolatedKeyframeProgress, float overallProgress)
void	setAnimation(BaseKeyframeAnimation<?,?> animation)
void	setValue(T value)

Methods inherited from class java.lang.Object

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

Field Detail

value

@Nullable
protected T value

This can be set with setValue(Object) to use a value instead of deferring to the callback.

Constructor Detail

LottieValueCallback

public LottieValueCallback()

LottieValueCallback

public LottieValueCallback(@Nullable
                           T staticValue)

Method Detail

getValue

@Nullable
public T getValue(LottieFrameInfo<T> frameInfo)

Override this if you haven't set a static value in the constructor or with setValue. Return null to resort to the default value.

setValue

public final void setValue(@Nullable
                           T value)

getValueInternal

@Nullable
public final T getValueInternal(float startFrame,
                                float endFrame,
                                T startValue,
                                T endValue,
                                float linearKeyframeProgress,
                                float interpolatedKeyframeProgress,
                                float overallProgress)

setAnimation

public final void setAnimation(@Nullable
                               BaseKeyframeAnimation<?,?> animation)