iOS 4 Build SDK

Question

I installed the iOS 4 SDK yesterday. I previously had the 3.1.2, 3.1.3 and 3.2 SDKs installed. Since installing the iOS 4 SDK, I only have 3.2 and 4.0 available in Xcode. When I

Answer 1

You needed to install XCode beta to an alternative folder /DeveloperBeta (for example) and use the stable xcode for older SDK builds.

You can still do that actually.

Answer 2

To target older iPhone OS's with the new iOS 4 SDK, Select your XCode project -> Get Info, and then select "iPhone Device 4.0" as the Base SDK, and then select the lowest iPhone OS version from iPhone OS Deployment Target that you need to support with your ad hoc app.