摘要： LanguageObjective-C is an elegant object-oriented language that powers all Mac apps. You write Objective-C code to create your app, and you need to understand this language in order to use most application frameworks. You can’t build an app without it.Objective-C 是一种优雅的面向对象语言，它适用于所有Mac 应用。你编写 Object 阅读全文

摘要： Back to ToolsManage Your Workflow in XcodeAs you saw in the tutorialYour First Mac App, you perform your major workflow tasks in the Xcode workspace window. A separate Organizer window allows you to perform ancillary tasks, such as reading documentation, managing source repositories, and preparing . 阅读全文

摘要： ToolsXcode provides tools to manage your entire development workflow—from creating your app and designing your user interface, to testing, optimizing, and shipping your app to the Mac App Store. You can customize Xcode to suit your style of working, keeping you focused on the development task at han 阅读全文

摘要： Reviewing the CodeIf you have trouble getting your app to work correctly, compare your code with the listings shown at the end of this chapter and review your action and outlet connections.如果你的应用程序运行不正确，重新对照本章结尾处的代码列表，审查你的动作(action)和接口(outlet)连接是否正确。Code and Compiler Warnings代码 和编译器警告(Warnings)Your 阅读全文