06/29/2016 Updates watchOS3 + Swift3 https://github.com/coolioxlr/watchOS-3-heartrate
11/13/2015 Updates Apple finlly provide some sample code how to close ActivityRings https://developer.apple.com/library/watchos/samplecode/ActivityRings/Introduction/Intro.html#//apple_ref/doc/uid/TP40016623
Example to show streaming heartrate from watch using Swift
- request healthkit authorization from watch
- queary from healthkit to show heartrate
##Requirements
- Xcode 7.0, iOS 9.0 SDK, watchOS 2.0 SDK
- iOS 9.0 and watchOS 2.0
##How to build
- Change the "Team" setting on [General] for each target.
- Setup HealthKit for the WatchKit extension target.
##watchOS Beta3
- Simulator now showing simulated heartrate
##watchOS Beta4
- Updated with new APIs