使用Xcode做iOS项目,经常会和Xib文件打交道,因为Xib文件直观的展现出运行时视图的外观,所以上手非常容易,使用也很方便,但对于从未用纯代码写过视图的童鞋,多数对Xib的理解有些片面. Xib文件是什么? A nib file describes the visual elements of your application’s user interface, including windows, views, controls, and many others. It can also