对我来说，它一直是:Command⌘+ 0:

在你调试或运行之后，如果你退出iPhone模拟器或调试应用，你会留下调试器窗口。

当你使用“单窗口布局”时，回到编辑器必须点击工具栏，这很烦人(加上你以后需要“删除细节窗格”)。

上面的快捷方式做到了这一点，并让您准备好编写代码。

获取Colin Wheeler的完整Xcode键盘快捷键列表(PDF或PNG格式)。把它打印出来，放在显眼的地方(我把它贴在屏幕旁边的墙上)。

编辑: Xcode 3.2的更新版本

编辑2: Xcode 4的更新版本

⌘'来正确格式化(重新缩进)您的代码

编辑:显然重缩进功能(编辑>格式>重缩进)没有默认的快捷方式。我想我很久以前就分配了一个(在Preferences > Key bindings中)，甚至不记得了。抱歉误导你了。

右键单击函数中的变量，然后单击edit all in scope。自从我发现了这个，我就一直在用它。

ctrl⌘T

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.

构建成功/失败噪音;从术语:

defaults write com.apple.Xcode PBXBuildSuccessSound ~/Library/Sounds/metal\ stamp.wav
defaults write com.apple.Xcode PBXBuildFailureSound ~/Library/Sounds/Elephant