Build and verify
Install the app on the watch and follow the data end to end.
Run the Runner scheme on your iPhone
Select the Runner scheme and your iPhone, then choose Run. This installs the Flutter app and the watch app.
Install the watch app if it did not install itself
On the phone, open the Watch app → Available Apps → install
CarpWatch.Open the watch app once and press Start
watchOS does not run a freshly installed app in the background before its first launch.
Grant the permissions
The HealthKit, microphone and location prompts all appear on the watch.
Build from the command line
flutter run builds the Runner scheme, and therefore the watch app too:
Next steps
Quickstart
Build a complete study protocol with an Apple Watch in it.
Runtime state
Know whether the watch is paired, collecting and delivering.