问题
This is diving me crazy - I've copied a target for my iOS project in Xcode4 - however, the Target Identifier field under "iOS Application Target" on the Summary page for my target is uneditable.
How do I change the target's identifier?
回答1:
It gets the identifier from the product name. Go into build settings, then scroll down to the Packaging section. Change the product name and the identifier will change accordingly.
来源：https://stackoverflow.com/questions/5725075/xcode4-ios-copied-a-target-why-cant-i-change-the-identifier