xcode 错误：选定的运行目标对于此操作无效
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xcode error: The selected run destination is not valid for this action
提问by Alessio Lunardelli
my app in 4.3 simulator and device work well. Now i want to test it in 4.0 simulator and i have also 4.2.1 device. So i set ios deployment target to 4.0 (tried also 4.2), but xcode give me that error :The selected run destination is not valid for this action.
我的应用程序在 4.3 模拟器和设备中运行良好。现在我想在 4.0 模拟器中测试它，我也有 4.2.1 设备。所以我将 ios 部署目标设置为 4.0（也尝试了 4.2），但是 xcode 给了我这个错误：所选的运行目标对于此操作无效。
Then i added my second iphone to provisioning profile and i see it in device in xcode for build but same thing: The selected run destination is not valid for this action.
然后我将我的第二个 iphone 添加到配置文件中，我在 xcode 的设备中看到它进行构建，但同样的事情：所选的运行目标对于此操作无效。
How can i read (or if one can explain me) where to find how to setup project for run in 4.0 4.2 and 4.3 simulator for example?
例如，我如何阅读（或者如果有人可以解释我）在哪里可以找到如何设置项目以在 4.0 4.2 和 4.3 模拟器中运行？
I'm trying to "click everywhere" also in manage schemes but can't find nothing usefull.
我也在管理方案中尝试“到处点击”，但找不到任何有用的东西。
Thx in advice.
谢谢你的建议。
回答by Ante Barac
You need to set the iOS Deployment Target on both the Project and the Target items. When you click the project icon in the Project navigator, on the left side you will se two groups, Project and Targets. Project will contain your project, and the Targets section will have your app and unit test targets. Set the iOS Deployment on your project settings and in the target (app, not tests) settings.
您需要在 Project 和 Target 项上设置 iOS 部署目标。当您单击项目导航器中的项目图标时，您将在左侧看到两个组，项目和目标。Project 将包含您的项目，Targets 部分将包含您的应用程序和单元测试目标。在您的项目设置和目标（应用程序，而不是测试）设置中设置 iOS 部署。
回答by xalupadas
You need to change the base SDK for the project:
您需要更改项目的基础 SDK：
Voila!
PS: You should be able to see all the SDKs that you have installed on step 4).
瞧！
PS：您应该能够看到您在第 4 步中安装的所有 SDK。
回答by Wenjing
Check your SDK and sign in identity in your build configuration. That's how I solved this issue.
检查您的 SDK 并在您的构建配置中登录身份。我就是这样解决这个问题的。
