watchOS 2.0 healthkit, heartrate streaming, start workout session
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06/29/2016 Updates watchOS3 + Swift3

11/13/2015 Updates Apple finlly provide some sample code how to close ActivityRings

Example to show streaming heartrate from watch using Swift

  • request healthkit authorization from watch
  • queary from healthkit to show heartrate


  • 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