An indirect and undocumented decision, apparently, based on this somewhat confusing list of &quot;activity types&quot;:<p><a href="https:&#x2F;&#x2F;developer.apple.com&#x2F;library&#x2F;ios&#x2F;documentation&#x2F;CoreLocation&#x2F;Reference&#x2F;CLLocationManager_Class&#x2F;index.html#&#x2F;&#x2F;apple_ref&#x2F;c&#x2F;tdef&#x2F;CLActivityType" rel="nofollow">https:&#x2F;&#x2F;developer.apple.com&#x2F;library&#x2F;ios&#x2F;documentation&#x2F;CoreLo...</a>