private Animator createHideItemAnimator(final View item) {
final float dx = centerItem.getX() - item.getX();
final float dy = centerItem.getY() - item.getY();
Animator anim =
ObjectAnimator.ofPropertyValuesHolder(
item,
AnimatorUtils.scaleX(1f, 0f),
AnimatorUtils.scaleY(1f, 0f),
AnimatorUtils.translationX(0f, dx),
AnimatorUtils.translationY(0f, dy));
anim.setInterpolator(new DecelerateInterpolator());
anim.addListener(
new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
super.onAnimationEnd(animation);
item.setTranslationX(0f);
item.setTranslationY(0f);
}
});
anim.setDuration(50);
return anim;
}
private Animator createShowItemAnimator(View item) {
float dx = centerItem.getX() - item.getX();
float dy = centerItem.getY() - item.getY();
item.setScaleX(0f);
item.setScaleY(0f);
item.setTranslationX(dx);
item.setTranslationY(dy);
Animator anim =
ObjectAnimator.ofPropertyValuesHolder(
item,
AnimatorUtils.scaleX(0f, 1f),
AnimatorUtils.scaleY(0f, 1f),
AnimatorUtils.translationX(dx, 0f),
AnimatorUtils.translationY(dy, 0f));
anim.setInterpolator(new DecelerateInterpolator());
anim.setDuration(50);
return anim;
}
