1.android 13;
2.The application only contains one control, webview；
3.When the application is in the foreground and remains silent, an error is reported every 46 minutes.
4.Powered by the adapter, turn off the screen saver and keep the screen on
5.A laptop acts as a web server, a router acts as a hotspot, a tablet computer, and all devices on the LAN are configured with static IPs and no Internet connection.