发布时间: 2014-11-18 23:18:00
refer to: http://www.cnblogs.com/cmduan/archive/2012/03/09/2388345.html
基本上, low/middel/high/extra high/xx high dpi.
dpi = dot per inch
看看,安卓是多么的笨重。 要是跟CSS3 一样,有个 background-size: cover 就全解决了。