https://qooah.com/2012/05/29/huawei-%e5%b0%87%e6%8e%a8%e5%87%ba%e8%87%aa%e5%ae%b6-emotion-ui%ef%bc%8c%e6%9c%80%e6%97%a9%e4%b8%83%e6%9c%88%e9%9c%b2%e9%9d%a2/