在XCode 6的某个版本后，XCode的项目向导取消了空的ios工程选项。

参考 http://stackoverflow.com/questions/25783282/how-to-create-an-empty-application-in-xcode-6-without-storyboard

可以如下操作：

There is no option in XCode6 for directly creating an Empty Application as in XC[......]