Track all sport types which Apple Watch are supported for.
football, badminton, baseball, basketball, bowling, boxing, dance, elliptical, soccer, tennis, yoga,etc.
also listen music on watch.

using method:
(1) add workout activity type to watch from iPhone;
(2) select one type at watch
(3)push start button
(4)swim for a enough time, must not too short
(5)choose the "Stop" menu to end the counting
(6)go to iPhone's Workouts or Activity app to see the detail of swim workouts


Workouts read datas from health store ,such as distance, store count, heart rate ,energy burned.also write workouts and heart rate from health store.