在选择文本时按住选项可选择文本的不连续部分。 按住选项，同时单击符号名称下拉菜单，按名称排序，而不是按它们在文件中出现的顺序。

使用类浏览器显示继承的方法

Apple's API reference documentation does not show methods inherited from a superclass. Sometimes, though. it's useful to be able to see the full range of functionality available for a class -- including a custom class of your own. You can use the Class Browser (from the Project menu) to display a flat or hierarchical list of all the classes related to a current project. The upper pane on the right hand side of the browser window shows a list of methods associated with the object selected in the browser. You can use the Configure Options sheet to select "Show Inherited Members" to show inherited methods as well as those defined by the selected class itself. You click the small book symbol to go to the corresponding documentation.

⌘-[和⌘-]缩进和取消所选文本。使清理源代码更加容易。

打印完整的Xcode键盘快捷键列表，并把它放在你的显示器旁边。

当您在一个方法上使用代码完成，并且它有多个参数时，使用CTRL + /移动到下一个需要填充的参数。

一些技巧可以在Xcode Tools tips中找到。