问题
I have 2 machines. On one of them I updated to xcode 4.5, but doing so uninstalled my iOS simulator for 5.1.
I'm hesitant to update my other machine as I have a project that requires the 5.1 simulator.
Are my assumptions correct or did I do something to remove the older simulator without knowing?
回答1:
You can redownload the simulator in the Xcode preferences.
回答2:
Download Xcode 4.3.3 for lion and open the dmg, and click and show package contents,and copy the Contents\Developer\platforms\iPhoneOS.platform\sdks\iPhoneOs5.1sdk folders into your xcode4.5 Contents\Developer\platorms\iPhoneOS.platform\sdks folder, and it works
来源：https://stackoverflow.com/questions/12503575/will-installing-xcode-4-5-remove-ios-simulator-5-1