iphone程序，让本地应用程序打开URL链接，31天开源工程中的第三个。-openURL helps you launch Maps, SMS, Browser, Phone, and even other applications. This is one area of iPhone development that I always have to look up again when I need to do it and it is only one line! [[U

界面切换 练习 ios开发 制作面相iphone的简单a-UI viewcontroller