code example that measures your heart rate using HealthKit on watchOS.
License: MIT License
Just wanted to experiment with other vital signs(respiratory rate) so I added the line
let respiratoryType = HKQuantityType.quantityType(forIdentifier: .respiratoryRate)!
added it to datatypes and then changed line 102(type: respiratoryRate) but never saw anything on the simulator.
I put print(samples) inside addSamples and I got
Optional([]) in the logs. What do I miss???
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