private void transformMaterial(
int origWidth,
int targetWidth,
int origHeight,
int targetHeight,
int origRadius,
int targetRadius,
ValueAnimator animation) {
float fraction = (float) animation.getAnimatedValue();
// update the cardView rounded corners
mCardView.setRadius(interpolate(origRadius, targetRadius, fraction));
// update cardview size
if (origWidth != targetWidth) {
mCardView.getLayoutParams().width =
(int) ((targetWidth - origWidth) * (1 - fraction) + origWidth);
}
if (origHeight != targetHeight) {
mCardView.getLayoutParams().height =
(int) ((targetHeight - origHeight) * (1 - fraction) + origWidth);
}
// request the cardview to redraw
mCardView.requestLayout();
}
