Mobile version from 5: 00 to 8: 00, generate apk file and install it. 1, Android5.0 to 8.0, so you don't have to consider whether the current apk signature scheme is v 1 or v2 hybrid.

2. Generate apk file and install it. When your application is tested on a mobile phone below Android7.0, apk can be generated directly without additional operation. For mobile phones above 7.0, you can generate and close v2 signature through Androidstudio.