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;
}
@Override
protected void runAnimators() {
reflectSetupStartEndListeners();
animMap.clear();
for (int i = 0, count = getTransitionCount(); i < count; i++) {
Transition transition = getTransitionAt(i);
ArrayList<ValueAnimator> valueAnimators = new ArrayList<>();
for (Animator animator : AnimatorUtils.collectAnimators(transition)) {
valueAnimators.addAll(AnimatorUtils.collectValueAnimators(animator));
}
// insure animator's duration, startDelay, Interpolator same as this transition
long duration = (long) (getDuration() / AnimatorUtils.getAnimatorDurationScale());
long startDelay = getStartDelay();
TimeInterpolator interpolator = getInterpolator();
for (ValueAnimator animator : valueAnimators) {
if (duration >= 0) animator.setDuration(duration);
if (startDelay >= 0) animator.setStartDelay(startDelay + animator.getStartDelay());
if (interpolator != null) animator.setInterpolator(interpolator);
}
animMap.put(transition, valueAnimators);
// you can change transition's duration, startDelay and Interpolator at here
if (playControl != null) playControl.onPreRunAnimator(transition, valueAnimators);
}
}
@Test
public void should_round_do_nothing_if_price_is_already_rounded() {
// GIVEN: Price
double price = 25.48;
// WHEN: round
double rounded = AnimatorUtils.round(price);
// THEN: price are same
assertThat(rounded).isEqualTo(price);
}
@Test
public void should_round_up() {
// GIVEN: Price
double price = 25.489;
// WHEN: round
double rounded = AnimatorUtils.round(price);
// THEN: price are same
assertThat(rounded).isEqualTo(25.49);
}
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;
}
