Merge "Fix NPE when a view is traversed without a parent." into jb-dev

    /**

     * Traverses up the view hierarchy and returns all views below this item. Stops

     * once a parent is not a vertical LinearLayout

     *

     * @return List of views that are below the given view. Empty list if parent of view is null.

     */

    private static List<View> getViewsBelowOf(View view) {

        final ViewGroup victimParent = (ViewGroup) view.getParent();

        final List<View> result = Lists.newArrayList();

        if (victimParent != null) {

            final int index = victimParent.indexOfChild(view);

            getViewsBelowOfRecursive(result, victimParent, index + 1);

        }

        return result;

    }