private void animateView(UIView view, CGPoint targetPosition, Runnable completion) {
CGSize size = view.getFrame().getSize();
CGSize grow = new CGSize(size.getWidth() * 1.7, size.getHeight() * 1.7);
CGSize shrink = new CGSize(size.getWidth() * .4, size.getHeight() * .4);
CAKeyframeAnimation pathAnimation = new CAKeyframeAnimation("position");
pathAnimation.setCalculationMode(CAAnimationCalculationMode.Paced);
pathAnimation.setFillMode(CAFillMode.Forwards);
pathAnimation.setRemovedOnCompletion(false);
pathAnimation.setDuration(.5);
UIBezierPath path = new UIBezierPath();
path.move(view.getCenter());
path.addQuadCurve(
targetPosition, new CGPoint(view.getCenter().getX(), view.getCenter().getY()));
pathAnimation.setPath(path.getCGPath());
CABasicAnimation growAnimation = new CABasicAnimation("bounds.size");
growAnimation.setToValue(NSValue.valueOf(grow));
growAnimation.setFillMode(CAFillMode.Forwards);
growAnimation.setRemovedOnCompletion(false);
growAnimation.setDuration(.1);
CABasicAnimation shrinkAnimation = new CABasicAnimation("bounds.size");
shrinkAnimation.setToValue(NSValue.valueOf(shrink));
shrinkAnimation.setFillMode(CAFillMode.Forwards);
shrinkAnimation.setRemovedOnCompletion(false);
shrinkAnimation.setDuration(.4);
shrinkAnimation.setBeginTime(.1);
CAAnimationGroup animations = new CAAnimationGroup();
animations.setAnimations(new NSArray<>(pathAnimation, growAnimation, shrinkAnimation));
animations.setFillMode(CAFillMode.Forwards);
animations.setRemovedOnCompletion(false);
animations.setDuration(.5);
animations.setDelegate(
new CAAnimationDelegateAdapter() {
@Override
public void didStop(CAAnimation anim, boolean flag) {
view.removeFromSuperview();
if (completion != null) {
completion.run();
}
}
});
view.getLayer().addAnimation(animations, "movetocart");
}
private void addToBasket() {
UINavigationController navigation = getNavigationController();
CGPoint center =
bottomView
.getButton()
.convertPointToView(
bottomView.getButton().getImageView().getCenter(), navigation.getView());
UIImageView imageView = new UIImageView(tshirtIcon);
imageView.setCenter(center);
imageView.setContentMode(UIViewContentMode.ScaleAspectFill);
UIImageView backgroundView = new UIImageView(UIImage.getImage("circle"));
backgroundView.setCenter(center);
navigation.getView().addSubviews(backgroundView, imageView);
UIView targetView =
(UIView) getNavigationItem().getRightBarButtonItem().getKeyValueCoder().getValue("view");
CGPoint targetPosition =
new CGPoint(
targetView.getCenter().getX() + targetView.getFrame().getWidth() / 3,
targetView.getCenter().getY() + targetView.getFrame().getHeight() / 2);
animateView(imageView, targetPosition, null);
animateView(
backgroundView,
targetPosition,
() -> {
getNavigationItem().setRightBarButtonItem(StoreApp.getInstance().createBasketButton());
});
if (addedToBasket != null) {
addedToBasket.invoke(new Order(order));
}
}