之前不知道,在iphone5上试程序,结果出现上下黑条。
搜索之
http://stackoverflow.com/questions/12479647/uiview-is-not-resizing-on-iphone-5-simulator
http://stackoverflow.com/questions/12395200/how-to-develop-or-migrate-apps-for-iphone-5-screen-resolution
就是添加一个640*1136的图到工程。