Google releases Google Fit SDK along with special version of Android L

Google logoGoogle is releasing a preview version of the Google Fit SDK, the company's cloud-powered fitness tracking service. Google Fit, like Google Play Games, is a back-end set of APIs that Google wants developers to plug into.

The service aims to be a one-stop shop for fitness data. Google Fit gives developers high-level access to sensors from Android devices and wearables, allowing them to save fitness data to the cloud and read back that data. The cloud component isn't ready yet, so for now only local fitness history is available.

Google Fit

Google describes the existing APIs this way:

There are three sets of APIs designed to meet specific developer needs:

  1. Sensors API provides high-level access to sensors from the device and wearables—so with one API your app can talk to sensors, whether on an Android device or a wearable. So if you’re making a running app, you could register it to receive updates from a connected heart rate monitor every five seconds during a user’s run and give immediate feedback to the runner on the display.
  2. Recording API allows apps to register for battery-efficient, cloud-synced background collection of fitness data. For example, a running app could ask to store a user’s location so it can map the run later. Once it registers for these data types, collection is done by Fit in the background with no further work needed by the app.
  3. History API allows operations on data like read, insert, and delete. When an exerciser finishes a run, the running app can query the History API for all locations during the run and show a map.

To test out the new APIs, Google has released an SDK and an updated version of Android L for the Nexus 5 and 2013 Nexus 7. For non-developers, there don't seem to be any new changes in the updated L release, which changes build numbers from LPV79 to LPV81C.

The new build of L does contain a new version of Google Play Service, which supports the new Google Fit APIs. For now it seems you need Android L to try out Google Fit, but Google Play Services is designed to bring features like this to older devices, so it seems to just be a limitation of the preview.

Google has full instructions for developers looking to get up and running over at the Google Fit site.

Source: Ars Technica

Tags: Google

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