如何更改xcode 4.2上的基本SDK？
[英]How can I change the base SDK on xcode 4.2?
问题描述
我想更改xcode 4.2上的基本SDK，该怎么做？
1 个解决方案
解决方案1
2 已采纳 2011-10-29 08:33:15
You have to give Base SDK as iOS 5.0, deployment target as OS version that you want to run (4.2?). 
您必须将Base SDK设置为iOS 5.0，将部署目标指定为要运行的OS版本（4.2？）。
Most important thing is you can't use any API's/ libraries introduced in iOS 5.0 . 最重要的是，您不能使用iOS 5.0中引入的任何API /库 。 If you want to use them, make sure they are only called if running OS responds to them..If you are calling any methods which is not present in iOS 4.2, you have to check first whether they are available on running OS.. This question might help you there.. This blog post might also helps.. 如果你想使用它们，确保如果运行的是OS响应them..If你调用任何方法是不存在的iOS 4.2，他们只被调用，你必须先检查它们是否可以在运行OS .. 这问题可以帮助你有.. 本博客文章也可能有助于..
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