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Dev.to
6/18/2026
USB Hotplug Detection in Rust on macOS — Reacting to Device Connect/Disconnect

USB Hotplug Detection in Rust on macOS — Reacting to Device Connect/Disconnect

Short summary

Use nusb's hotplug API in a dedicated thread to detect Android USB connections on macOS instantly. Filter by vendor ID for speed, confirm with ADB for accuracy, emit Tauri events to update UI within 1–2 seconds—no polling, no refresh buttons. Tested in two production apps.

  • •nusb wraps macOS IOKit for instant USB hotplug detection in a blocking thread
  • •Two-step validation: fast vendor ID filtering, then ADB confirmation for accuracy
  • •UI updates within 1–2 seconds—no polling or user action required

Generated with AI, which can make mistakes.

#open-source
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