摘要： Design PatternsA design pattern solves a common software engineering problem. Patterns are abstract designs, not code. When you adopt a design, you adapt the general pattern to your specific needs.设计模式解决了一个通用的软件工程问题。 模式是抽象的设计，不是代码。当你采用一个模式，就是让通用模式适应你的特殊需求。No matter what type of app you are creating, 阅读全文

摘要： Back to FrameworksIntegrate Your Code with the FrameworksWhen you develop an app for OS X or iOS, you won’t be on your own. You’ll be drawing on the work done by Apple and others, on the classes they’ve developed and collected in Objective-C frameworks. A framework is a class library that can be sh. 阅读全文

摘要： Back to FrameworksSurvey the Major FrameworksA framework is a directory that includes a shared library, header files to access the code stored in that library, and other resources such as image and sound files. A shared library defines functions and methods that apps can call.框架是一个文件夹，它包含着一个共享库，用来访问 阅读全文

摘要： FrameworksAn app consists of code you write and frameworks Apple provides. A framework contains a library of methods your app can call. More than one app can access a framework library at the same time.一个应用程序由你编写的代码和Apple提供的框架组成。 一个框架包含了一个应用程序能调用的一个方法库。 同一时间多个应用程序可以同时访问一个框架库。Any app that you develop 阅读全文

摘要： Back to Basic TasksAcquire Foundational Programming SkillsThe Foundation framework, as its name suggests, is the foundational toolkit for all programming for both iOS and OS X. You need to become familiar with this toolkit to be a successful developer for these platforms.Foundation framework(基本框架)，. 阅读全文

摘要： Basic TasksNow that you’ve learned enough about Objective-C to read and write basic code, you can begin to think in terms of objects. Just as you would think about objects in the real world, you need to think about what an object contains, what you can do with it, and how it relates to other objects 阅读全文

摘要： Back to LanguageWrite Objective-C CodeIf you haven’t programmed for either OS X or iOS, you need to become acquainted with the primary programming language, Objective-C. Objective-C is a not a difficult language, and once you spend some time with it you’ll find it elegant as well. The Objective-C l. 阅读全文

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