public void animateSubjectOut(final SubjectCard materia) {
final List<View> toBeAnimated = new ArrayList<View>();
boolean after = false;
for (SubjectCard mtr : mSubjectCards) {
if (after) toBeAnimated.add(mtr);
if (mtr == materia) after = true;
}
toBeAnimated.add(mAddButton);
final int numberToBeAnimated = toBeAnimated.size();
int maxScroll = mScrollView.getChildAt(0).getHeight() - mScrollView.getHeight(),
materiaHeight = materia.getHeight();
final int initScroll = mScrollView.getScrollY(),
scrollBy =
((maxScroll < initScroll + materiaHeight)
? Math.max(maxScroll - materiaHeight, 0)
: initScroll)
- initScroll;
ValueAnimator listAnimator = ValueAnimator.ofFloat(0, -materiaHeight);
listAnimator.setInterpolator(new DecelerateInterpolator(3.2f));
listAnimator.addUpdateListener(
new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animation) {
float value = (Float) animation.getAnimatedValue();
for (int i = 0; i < numberToBeAnimated; i++)
ViewHelper.setTranslationY(toBeAnimated.get(i), value);
ViewHelper.setScrollY(
mScrollView, (int) (initScroll + scrollBy * animation.getAnimatedFraction()));
}
});
listAnimator.addListener(
new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
mSubjectCards.remove(materia);
mSubjectsLayout.removeView(materia);
mSqlHelper.remove(materia.getData().getSqlID());
updateTotal();
mScrollView.setVerticalScrollBarEnabled(true);
mScrollView.setOnTouchListener(null);
for (View mtr : toBeAnimated) ViewHelper.setTranslationY(mtr, 0);
}
});
listAnimator.setDuration(700);
mScrollView.setVerticalScrollBarEnabled(false);
mScrollView.setOnTouchListener(
new View.OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
return true;
}
}); // disable user scrolling during the animation
if (ViewHelper.getTranslationX(materia) == 0) materia.swipeRight(0, 0);
listAnimator.setStartDelay(500);
listAnimator.start();
}
@Override
public boolean onTouchEvent(MotionEvent event) {
boolean hit = event.getY() > content.getTop() && getParent() != null;
if (tapOutsideToDismiss && !hit) {
hide();
return false;
}
if (hit && swipeToDismiss) {
if (event.getAction() == MotionEvent.ACTION_DOWN) {
swipe = 0;
handler.removeCallbacks(hideRunnable);
if (animator != null) {
animator.cancel();
animator = null;
swipe = ViewHelper.getTranslationX(content);
}
super.onTouchEvent(event);
return true;
} else if ((event.getAction() == MotionEvent.ACTION_UP
|| event.getAction() == MotionEvent.ACTION_CANCEL)
&& animator == null) {
animator = ObjectAnimator.ofFloat(swipe, 0);
animator.setDuration(200);
animator.addUpdateListener(
new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animation) {
float s = (Float) animation.getAnimatedValue();
ViewHelper.setTranslationX(content, s);
ViewHelper.setAlpha(content, Math.max(0, 1 - 2 * Math.abs(s) / content.getWidth()));
postInvalidate();
}
});
animator.start();
animator.addListener(
new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
animator.cancel();
animator = null;
if (duration != INFINITE) handler.postDelayed(hideRunnable, duration);
}
});
super.onTouchEvent(event);
return true;
}
}
return super.onTouchEvent(event);
}
private void logState(View v, String title) {
Log.v(
TAG,
title
+ ": ROT ("
+ ViewHelper.getRotation(v)
+ ", "
+ ViewHelper.getRotationX(v)
+ ", "
+ ViewHelper.getRotationY(v)
+ "), TRANS ("
+ ViewHelper.getTranslationX(v)
+ ", "
+ ViewHelper.getTranslationY(v)
+ "), SCALE ("
+ ViewHelper.getScaleX(v)
+ ", "
+ ViewHelper.getScaleY(v)
+ "), ALPHA "
+ ViewHelper.getAlpha(v));
}