Android studio报:Caused by: java.lang.ClassNotFoundException: Didn't find class "xhs.com.view.ParentV

1.问题描述

一运行项目就报一堆的错:

                                                                             java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.fendo.cn.xfendo/com.BootView.activity.WelcomeActivity}: android.view.InflateException: Binary XML file line #20: Error inflating class xhs.com.view.ParentViewPager