Installation did not succeed.
The application could not be installed: INSTALL_FAILED_CONFLICTING_PROVIDER
Installation failed due to: ‘null’
参考：https://blog.csdn.net/ab0902cd/article/details/101428932
有id重复，改一下grade文件中的applicationId
或者在模拟器中将应用删除
之后即可正常运行