Please wait <a href="http://www.doublezerosolutions.co.uk/healthworkswnycom-d086.pdf#machinery">centre-medical-saint-georges.be</a>  To enable background sync, tap on the settings gear in the top-right corner, then select the Sync Options button. From there toggle the Background Sync button. You'll notice the location indicator will be present going forward, which is required for the app to work in the background. I found in my testing enabling this didn't cause any noticeable battery drain.