Xcode 7.2真机运行出现的问题:
The identity used to sign the executable is no longer valid.
Please verify that your device’s clock is properly set, and that your signing certificate is not expired.
(0xE8008018)
解决办法:
The identity used to sign the executable is no longer valid.
原文:http://www.cnblogs.com/xuhuizhan520/p/5218646.html