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