A simple tennis tracker. It automatically starts a tennis activity on startup and ends it when you close the app by swiping to the right. It also lets you classify each shot (won, forced error, unforced error, double fault) after you did it. These shots will then be displayed as a part of your activity in Garmin Connect. I basically wrote this for my partner and myself, which is why it is only supported on our watches (Vivoactive 3). If there is interest, I might extend it to work with other watches as well.
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