ui指路明灯！！！苹果官方人机界面指南：
https://developer.apple.com/library/ios/documentation/UserExperience/Conceptual/MobileHIG/LayoutandAppearance.html
1.autolayout下uilabel自动换行的必须设置技巧 http://blog.csdn.net/lihogjun/article/details/30365269
2.presentviewcontroller中的简单动画定制（无需ios7+,不用实现相关代理） http://blog.csdn.net/ityanping/article/details/39270609
4.xcode中使用矢量图形 http://www.cocoachina.com/design/20141229/10784.html
5.uicollectionview详解及使用 http://blog.csdn.net/eqera/article/details/8134986
6.autolayout介绍文章（附样例代码，包括VFL格式语言介绍) http://www.2cto.com/kf/201411/349854.html
7.ios字体和高度相关的适配方案介绍 http://www.cocoachina.com/applenews/devnews/2014/0825/9450.html
8.如何在UIAlertView中显示进度条 http://www.cocoachina.com/iphonedev/toolthain/2011/1223/3778.html
9.autolayout相关 http://blog.csdn.net/ysy441088327/article/details/12558097
10.ios ui构建方法和技巧介绍 http://www.cocoachina.com/applenews/devnews/2014/0102/7640.html
11.支持ios7的布局设置（纯干货) http://www.cocoachina.com/applenews/devnews/2013/1120/7387.html
12.定制ios7中的导航栏和状态栏 http://www.cocoachina.com/applenews/devnews/2013/1104/7287.html
13.nib的理解 http://www.cnblogs.com/martin1009/archive/2012/06/01/2531028.html
