Install xcode 3.2 on Mac OS X lion

1. Use Disk Utility (in utility) to convert the disk image of xcode 3.2.x into a readable and writable DMG file.

After the switch, double-click it so that the finder can display it in the device. Right-click the xcode package (xcode and iOS SDK) in the finder and select "show packages" to enter the contents folder. (Right-click the xcode package, open the mode, and select Disk Utility (Disk tool) under the utility. A box will pop up, and the function bar on the top of the width will be converted to readable and writable, then select convert to desktop. After the conversion, double-click the converted package and select the installation box, right-click xcode and iOS SDK, and select Show Package content)

2. Use textedit to openIphonesdksl. DistSearch for "10.7" and replace it with "10.8" to save and run the installation package.