@Override
public void setUpdateListener(final UpdateListener updateListener) {
animator.setUpdateListener(
new ValueAnimatorCompat.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimatorCompat valueAnimatorCompat) {
updateListener.onUpdate(new ViewUtilsAnimator(valueAnimatorCompat));
}
});
}
private void animateOffsetTo(
final CoordinatorLayout coordinatorLayout, final AppBarLayout child, int offset) {
if (mAnimator == null) {
mAnimator = ViewUtils.createAnimator();
mAnimator.setInterpolator(AnimationUtils.DECELERATE_INTERPOLATOR);
mAnimator.setUpdateListener(
new ValueAnimatorCompat.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimatorCompat animator) {
setHeaderTopBottomOffset(coordinatorLayout, child, animator.getAnimatedIntValue());
}
});
} else {
mAnimator.cancel();
}
mAnimator.setIntValues(getTopBottomOffsetForScrollingSibling(), offset);
mAnimator.setDuration(300);
mAnimator.start();
}
@Override
public void start() {
animator.start();
}
@Override
public void setIntValues(int from, int to) {
animator.setIntValues(from, to);
}
@Override
public int getAnimatedIntValue() {
return animator.getAnimatedIntValue();
}
@Override
public void setDuration(int duration) {
animator.setDuration(duration);
}
static ViewUtilsAnimator newInstance() {
ValueAnimatorCompat animator = ViewUtils.createAnimator();
animator.setInterpolator(AnimationUtils.FAST_OUT_SLOW_IN_INTERPOLATOR);
return new ViewUtilsAnimator(animator);
}