米高的博客

报错信息：Signing for "demo1_greating" requires a development team. Select a development team in the project editor. Code signing is required for product type 'Application' in SDK 'iOS 10.0' 解决方法：单击工

This application is modifying the autolayout engine from a background thread, which can lead to engine corruption and weird crashes.  This will cause an exception in a future release. xcode出现这种情况