RanksFragment.java

FrameLayout.LayoutParams p = (FrameLayout.LayoutParams)v.getLayoutParams();
            if(direction == RIGHT) {
                p.setMargins(p.leftMargin + textWidth, p.topMargin, p.rightMargin, p.bottomMargin);
            } else if(direction == LEFT) {
                p.setMargins(p.leftMargin - textWidth, p.topMargin, p.rightMargin, p.bottomMargin);
            }
            v.clearAnimation();
            v.setLayoutParams(p);