读了第一行代码，文中让查看layout.xml文件切换到Text视图，我这个蒙啊，居然没找到，
另记：AndroidStudio 安装过程中，有个HAXM安装失败，结果在创建虚拟机时，创建好的虚拟机打不开
HAXM installation failed. To install HAXM follow the instructions found at: https://software.intel.com/android/articles/installation-instructions-for-intel-hardware-accelerated-execution-manager-windows
Installer log is located at C:\Users\86181\AppData\Local\Temp\haxm_log.txt
Installer log contents:
通过cpuz，leomoon工具查看也没有看到我的cpu是否支持虚拟化的样子，崩溃，但