AccelPunch: Simple boxing performance monitoring application for Android
Platform: Android
Compiled using Android Studio (min SDK used and tested: 29)
To establish connection with nodes, initialize hotspot with SSID AccelPunch-AP and password accelpunch (default AccelPunch_node config)
To establish connection with server, specify local/external network IP in text input on startup or by pressing PING (if dialog was dismissed) or SET IP.
Usually hotspot and local Wi-Fi don't work simultaneously because of hardware limitations. Because of that application saves your performance in batches in persisting storage and does that until connection with server is established. So after each boxing session you can disconnect from nodes by connecting to the server to send the readings and then reconnect again by enabling hotspot - connections with nodes will be established automatically.
Or host servlet publicly.
Or use device that can perform Wi-Fi sharing.