基于mac环境下的iphone 开发程序，实现实时的屏保系统，对需要了解ipad开发的人员做参考。-Iphone mac environment based development process, real-time screen saver system, officers need to understand the development of a reference ipad.

转换iPhonePNG图片为标准格式src，精选ios编程学习源码，很好的参考资料。-Conversion of iPhonePNG image as the standard format for SRC, select learning IOS programming source code, a good reference.