I recently ran into a peculiarity of multicast in Java / Kotlin. I was using a MulticastSocket: http...
I run instrumented Android tests on real hardware for my personal projects — things like BLE, WiFi Direct, hardware-specific APIs that don't work reliably in emulators. Firebase Test Lab works, but at $5/device-hour it adds up fast. Self-hosting seemed obvious: I already had phones sitting on my des...