摘要: #define IS_RETINA ([[UIScreen mainScreen] respondsToSelector:@selector(displayLinkWithTarget:selector:)] && ([UIScreen mainScreen].scale == 2.0)) 阅读全文
posted @ 2014-07-18 09:38 沙影无痕 阅读(284) 评论(0) 推荐(0) 编辑