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Preview. LawFive's code and server image aren't public yet, so some steps here won't work until they are.

Watches

Linking a watch

Section titled “Linking a watch”

The Garmin, Wear OS and Apple Watch apps all link the same way:

  1. On the watch, choose your server.
  2. In LawFive on the watch, go to Settings → Account → Link account. On a Garmin, then choose Get a code; Wear OS and Apple Watch show the code straight away (so does Matches on their start menu, until they’re linked). The watch shows eight characters, valid for 10 minutes.
  3. On your server’s website, open /link while signed in (or Link a watch in its More menu), enter the code, and approve it. The Android and iPhone apps take the code too, under More → Link a watch.

Once it’s linked, the website and the phone apps offer the next two steps: set up your match screen, and try a match on that watch in your browser, with that screen. You’ll then see the watch under Settings → Your watch, on the website and in the phone apps, where you can unlink it. Matches you finished before linking are sent too, oldest first.

Unlinking on the watch (Settings → Account → Unlink) signs it out on your server too, so it drops off those lists. Without a connection at the time, the watch does that the next time it has one (a Garmin needs its phone nearby).

An Apple Watch paired with your iPhone can skip the code: in the iPhone app, open More → Link a watch and tap Link your Apple Watch. The watch asks “Link to {your server}?”; tap Link. The watch gets its own token for the server the iPhone is signed in to, and that sets its server too, so there’s nothing to type. This has been tried on paired simulators, not yet on a real iPhone and Apple Watch.

Choosing your server

Section titled “Choosing your server”

Choose your server before linking. You can change it whenever the watch isn’t linked.

On Garmin: choose Server in the Link account menu, then My own server, and type your address. An address without https:// gets it added. The watch asks the address for LawFive’s server information, and keeps it only when a LawFive server answers, showing “Found LawFive”. Otherwise it says what went wrong, so you can try again.

On Wear OS and Apple Watch: open Settings → Account, and type your address in the server field. It needs https://, which is added if you leave it out. On Wear OS, leaving the field empty goes back to the hosted service.

A Garmin app you install yourself over USB can also have a server built in. See the Garmin app.

How watches sync

Section titled “How watches sync”
Watch Route
Garmin, with the Android app Through the LawFive app, which works without signal at the ground once the phone has synced.
Garmin, otherwise Directly, through Garmin Connect on the phone. It needs signal when it syncs.
Wear OS and Apple Watch Directly, over the watch’s own connection: through the phone, Wi-Fi or LTE.

Through Garmin Connect, your server must be reachable from the internet with a valid HTTPS certificate. See Set up HTTPS, and if a watch can’t connect, Troubleshooting.

Linking a Garmin watch through the iPhone app is built, but hasn’t been tried on real hardware yet.