黄舟2017-04-17 17:33:49
Just use the latest Xcode version, and change the development target option of the project to choose which version of iOS to adapt to.
迷茫2017-04-17 17:33:49
Just use the latest Xcode. Adaptation cannot be done by relying on a simulator. The simulator no longer supports iOS 7. It is best to buy all the real devices.