MTP File Transfer in Rust on macOS — Why I Wrote My Own Stack (opens in new tab)

All tests run on an 8-year-old MacBook Air. All results from shipping 7 Mac apps as a solo developer. No sponsored opinion. HiyokoMTP transfers files between Android and Mac via MTP. The obvious approach — use libmtp — doesn't work well on macOS. So I wrote a custom MTP implementation. Here's why, and what that looks like. The libmtp problem on macOS libmtp is the standard C library for MTP. On Linux, it works well. On macOS, it conflicts with IOKit's USB ownership model. macOS claims USB dev...