真机测试的过程中,出现这种Bug This application's application-identifier entitlement does not match that of the installed application. These values must match for an upgrade to be allowed. 解决方案: 手机里面已经有了这个项目,删除手机里面的这款APP,重新运行即可.
XML - Main <?xml version="1.0" encoding="utf-8"?> <android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto"