static float getAnimatedFraction(ValueAnimator animator) {
float fraction =
animator.getDuration() > 0
? ((float) animator.getCurrentPlayTime()) / animator.getDuration()
: 0f;
fraction = min(fraction, 1f);
fraction = animator.getInterpolator().getInterpolation(fraction);
return fraction;
}
/**
* Returns the timing interpolator that this animation uses.
*
* @return The timing interpolator for this animation.
*/
public TimeInterpolator getInterpolator() {
if (mInterpolatorSet) {
return mInterpolator;
} else {
// Just return the default from ValueAnimator, since that's what we'd get if
// the value has not been set otherwise
if (mTempValueAnimator == null) {
mTempValueAnimator = new ValueAnimator();
}
return mTempValueAnimator.getInterpolator();
}
}