# SpeedySloth: Using HealthKit to build a workout app for Apple Watch

This sample demonstrates how to use HealthKit to build a workout app that runs in the background, collects data from the Apple Watch sensors, and contributes to Activity rings.

## Requirements

### Build

Xcode 8.0 or later; iOS 10.0 SDK, watchOS 3.0 SDK or later

### Runtime

iOS 10.0 or later, watchOS 3.0 or later

Copyright (C) 2016 Apple Inc. All rights reserved.