文章出处，原创于 https://HawkingOuYang.github.io/
Stanford公开课
iOS 开发－Stanford公开课，是美国斯坦福大学的公开课，涉及iOS4、iOS5、iOS6、iOS7、iOS8、iOS9 等
这里，只下载了 iOS7(Objective-C)、iOS8(Swift)、iOS9(Swift) 等相关课程。
下载方式：
方式一：iTunes U (选择方式一，如果你英语很好)
1、在Mac或者Window上，安装“iTunes U”软件
2、在“iTunes U”中搜索“iOS”或者“Swift”，找到相关课程，然后进行下载
方式二：网易公开课 (选择方式二，如果你英语不太好，导致方式一，不可行)
1、在Mac或者Window上，打开“浏览器”，然后进入 网易公开课首页 open.163.com
2、貌似现在不能在网页端 下载网易的公开课，需要使用 “网易公开课”客户端
3、那就 安装“网易公开课”客户端，之后 步骤与“iTunes U”相同
方式三：YouTube （如果方式一、方式二，都找不到资料，那么选择方式三）
1、使用Chrome翻墙上YouTube
2、在Chrome中安装插件“saveFromNet”
3、在YouTube中搜索“iOS”或“Swift”，然后使用插件“saveFromNet”下载这些公开课
特别提醒：
A、选择 iPad上面的“iTunes U”不仅可以听 “iOS或Swift”公开课，还可以“做笔记”，完成“作业” 等等，课程 笔记 作业，再也不用 分开了，么么哒！
B、选择 iPad上面的“iBooks”可以下载苹果的官方文件，注意，使用美国区域的AppleID帐号，大陆的AppleID帐号 被墙了，fu*k ！
C、下载 iPad上面的“Dash”可以查看各种语言的文档 ！
就酱，开干吧！
网站
What are the best resources for learning iOS development?
Free iOS Development Books from Apple
Whether you are already an iOS developer or you’re looking to get started, you’re in luck. Apple is offering six free iOS development books to download through their iBooks app. The free development books are:
- iOS Human Interface Guidelines
- iOS Technology Overview
- Object Oriented Programming With Objective-C
- iOS Application Programming Guide
- Cocoa Fundamentals Guide
- The Objective-C Programming Language
To download your own copies, launch iBooks, tap on “Store” and search for “Apple Developer Publications” where they’ll all be listed.
Apple recommends grabbing the latest iBooks 1.2 update before downloading the free books. Due to the iBooks requirement, you’ll need either an iPhone, iPad, or iPod touch to download them for now, although I wouldn’t be too surprised to see iBooks come to the Mac when the Mac App Store is releasednext month.
Considering the high cost of iPhone app development, grabbing a few free books and learning on your own may be the best way to have an app idea come to fruition.
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