@Override
    public boolean onTouchEvent(MotionEvent ev) {
        if (!isEnabled() || !isTouchEnabled()) {
            return super.onTouchEvent(ev);
        }
        try {
            mDragHelper.processTouchEvent(ev);
            return true;
        } catch (Exception ex) {
            // Ignore the pointer out of range exception
            return false;
        }
    }
Check whether or not the main content is clipped to the top of the panel
app/src/main/java/home/smart/fly/animations/widget/slidepanel/SlidingUpPanelLayout.java