如何在一台 Mac 上设置 2 个 iPhone SDK
根据您过去的经验，两个 iPhone SDK 会在一台 Mac 上共存吗？
例如，一个处于测试阶段，一个已发布。
我计划在安装新的 SDK 之前将现有的 SDK 复制到另一个文件夹 - 如果有任何先前的警告，我将不胜感激！
Based on your past experience, will two iPhone SDKs co-exist on a single mac?
For example, one that is in beta and one that is released.
I am planning to just copy an existing SDK to a different folder before installing a new one - would appreciate any prior warnings!
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当您安装 3.2 beta 时，其他版本（例如 3.1.2）将保留并可作为目标 SDK 使用。
When you install 3.2 beta, the others (e.g. 3.1.2) just stick around and are available as target SDKs.
最好的方法是并排安装。 Apple 建议这样做，就像您计划在 AppStore 上发布应用程序一样，它应该根据 SDK 的官方版本构建。
您应该将发布版本（官方版本）安装在“开发人员”目录中
将 beta 版本放在一个名为“developerbeta”的文件夹中，
这样，您将拥有两个版本的 Xcode 和所有 SDK。
希望这有帮助。
The best way to do that is to have side by side installation. And it is Apple's recommendation to do so as if you plan to release an application on the AppStore it should be built against the official version of the SDK.
You should install the released version (official one) in a directory say 'developer'
and the beta one in a folder called for example 'developerbeta'
that way, you will have both versions of Xcode and all the SDKs.
Hope this helps.
不工作的解释是正确的。
您能看到 Apple 官方推荐的唯一地方是获得一个开发者帐户（我相信免费的帐户可以使用），签署 NDA，然后 (1) 阅读安装程序自述文件或 (2) 查看 iPhone 3.2苹果开发论坛。
SDK 始终与 Xcode 等开发者应用程序分开。您始终可以使用早期的 SDK 在任何版本的 Xcode 中编译任何项目。这一直都是事实。但是，Apple 不会接受使用 3.2 开发工具（即 Xcode、Interface Builder、Instruments 等）构建的任何应用程序。
我建议在不同用户下运行 3.2 开发工具，以防止任何首选项文件混淆。
Doing not Working's explanation is correct.
The only place you're going to see the official Apple recommendation is by getting a developers account (the free one will work I believe), signing the NDA and then (1) reading the installer readme or (2) checking out the iPhone 3.2 Apple Dev forum.
The SDKs have always been separate from the developer apps like Xcode. You can always compile any project in any version of Xcode with an earlier SDK. That has always been true. However, Apple will not accept any app built with the 3.2 dev tools, i.e. Xcode, Interface Builder, Instruments etc.
I would suggest running the 3.2 dev tools under a different users to prevent any preference file mixups.
在安装 iOS4 时，您无需担心这样做会保留 iPhone OS3.2 - 苹果已经在 iOS4 安装中包含了 3.2。但如果您想保留 iPhone OS 3.0 或任何 3.2 之前的版本进行测试，这是一个很好的教程。
http:// /adeem.me/blog/2010/06/16/how-to-setupinstall-2-iphone-sdks-on-one-mac/
You do not need to worry about doing this for keeping iPhone OS3.2 when installing iOS4 - apple has already included 3.2 in the iOS4 installation. But this is a good tutorial if you want to keep iPhone OS 3.0 or any pre 3.2 version for testing.
http://adeem.me/blog/2010/06/16/how-to-setupinstall-2-iphone-sdks-on-one-mac/