现象：安装失败，具体信息：
Installation did not succeed.
The application could not be installed: INSTALL_PARSE_FAILED_NO_CERTIFICATES
APK signature verification failed.
解决：build.gradle文件中android：defaultConfig：minSdkVersion 最低版本过高；降低最低版本即可；
现象：安装失败，具体信息：
Installation did not succeed.
The application could not be installed: INSTALL_PARSE_FAILED_NO_CERTIFICATES
APK signature verification failed.
解决：build.gradle文件中android：defaultConfig：minSdkVersion 最低版本过高；降低最低版本即可；