New App Shortcuts animation (PopupContainerWithArrow.java class)

shortcutsAnim.txt

/*Code from commit
https://github.com/Deletescape-Media/Lawnchair/blob/alpha/app/src/main/java/ch/deletescape/lawnchair/popup/PopupContainerWithArrow.java
*/
 private Point startPoint(int y) {
        int x;
        x = mIsLeftAligned != mIsRtl ? R.dimen.popup_arrow_horizontal_center_start : R.dimen.popup_arrow_horizontal_center_end;
        x = getResources().getDimensionPixelSize(x);
        if (!mIsLeftAligned) {
            x = getMeasuredWidth() - x;
        }
        int measuredHeight = ((getMeasuredHeight() - getPaddingTop()) - getPaddingBottom()) - y;
        int paddingTop = getPaddingTop();
        if (!mIsAboveIcon) {
            y = measuredHeight;
        }
        return new Point(x, paddingTop + y);
    }    

private void animateOpen() {
        final AnimatorSet shortcutA = LauncherAnimUtils.createAnimatorSet();
        final int itemCount = getItemCount();

        setVisibility(View.VISIBLE);
        mIsOpen = true;

        final long duration = getResources().getInteger(
                R.integer.config_popupOpenCloseDuration);

        TimeInterpolator interpolator = new AccelerateDecelerateInterpolator();
        int totalHeight = 0;
        for (int i = 0; i < itemCount; i++) {
            totalHeight += getItemViewAt(i).getMeasuredHeight();
        }

        Point startPoint = startPoint(totalHeight);
        int y = mIsAboveIcon ? getPaddingTop() : startPoint.y;
        float radius = getItemViewAt(0).getBackgroundRadius();
        mStartRect.set(startPoint.x, startPoint.y, startPoint.x, startPoint.y);
        mEndRect.set(0, y, getMeasuredWidth(), totalHeight + y);
        ValueAnimator revealAnim = new RoundedRectRevealOutlineProvider(radius,
                radius, mStartRect, mEndRect).createRevealAnimator(this, false);
        revealAnim.setDuration(duration);
        revealAnim.setInterpolator(interpolator);
        Animator fadeAnim = ObjectAnimator.ofFloat(this, ALPHA, 0.0f, 1.0f);
        fadeAnim.setDuration(duration);
        fadeAnim.setInterpolator(interpolator);
        shortcutA.play(fadeAnim);
        shortcutA.addListener(new AnimatorListenerAdapter() {
            @Override
            public void onAnimationEnd(Animator animation) {
                mOpenCloseAnimator = null;
                Utilities.sendCustomAccessibilityEvent(
                        PopupContainerWithArrow.this,
                        AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED,
                        getContext().getString(R.string.action_deep_shortcut));
            }
        });

        mArrow.setScaleX(0);
        mArrow.setScaleY(0);
        Animator arrowScale = createArrowScaleAnim(1).setDuration((long) getResources().getInteger(R.integer.config_popupArrowOpenDuration));
        mOpenCloseAnimator = shortcutA;
        shortcutA.playSequentially(revealAnim, arrowScale);
        shortcutA.start();
    }


    protected void animateClose() {
        if (!mIsOpen) {
            return;
        }
        final AnimatorSet shortcutA = LauncherAnimUtils.createAnimatorSet();
        final int itemCount = getItemCount();

        mEndRect.setEmpty();
        if (mOpenCloseAnimator != null) {
            if (Utilities.ATLEAST_NOUGAT) {
                Outline outline = new Outline();
                getOutlineProvider().getOutline(this, outline);
                outline.getRect(mEndRect);
            }
            mOpenCloseAnimator.cancel();
        }

        mIsOpen = false;
        int totalHeight = 0;
        for (int i = 0; i < itemCount; i++) {
            totalHeight += getItemViewAt(i).getHeight();
        }
        final long duration = (long) getResources().getInteger(R.integer.config_popupOpenCloseDuration);
        final TimeInterpolator interpolator = new AccelerateDecelerateInterpolator();

        Point startPoint = startPoint(totalHeight);
        int y = mIsAboveIcon ? getPaddingTop() : startPoint.y;

        float radius = getItemViewAt(0).getBackgroundRadius();
        mStartRect.set(startPoint.x, startPoint.y, startPoint.x, startPoint.y);
        if (mEndRect.isEmpty()) {
            mEndRect.set(0, y, getMeasuredWidth(), totalHeight + y);
        }

        Animator revealAnimator = new RoundedRectRevealOutlineProvider(radius,
                radius, mStartRect, mEndRect).createRevealAnimator(this, true);
        revealAnimator.setDuration(duration);
        revealAnimator.setInterpolator(interpolator);
        shortcutA.play(revealAnimator);

        Animator fadeAnimator = ObjectAnimator.ofFloat(this, ALPHA, 0);
        fadeAnimator.setDuration(duration);
        fadeAnimator.setInterpolator(interpolator);
        shortcutA.play(fadeAnimator);

        shortcutA.addListener(new AnimatorListenerAdapter() {
            @Override
            public void onAnimationEnd(Animator animation) {
                mOpenCloseAnimator = null;
                if (mDeferContainerRemoval) {
                    setVisibility(INVISIBLE);
                } else {
                    closeComplete();
                }
            }
        });

        mOpenCloseAnimator = shortcutA;
        shortcutA.start();
        mOriginalIcon.forceHideBadge(false);
    }

https://github.com/Deletescape-Media/Lawnchair/blob/alpha/app/src/main/java/ch/deletescape/lawnchair/popup/PopupContainerWithArrow.java