I'm building an app for personal use, and I am currently stuck on how to accurately get yesterdays steps from the healthkit. And then from there, placing it into a variable (should be easy, I know)...

Apple health app gives the data by Date wise as shown in below image. By using HealthKit i am fetching the steps data from apple health as let p1 = HKQuery.predicateForSamples(withStart: fromD...

What's the best way to get a total step count for every day recorded in HealthKit. With HKSampleQuery's method initWithSampleType (see below) I can set a start and end date for the query using NSPr...

I have a scenario where I need to retrieve multiple sets of data from HealthKit -- body temperature, weight, and blood pressure. I need all 3 before I can continue processing because they're going ...

I'm trying to use HealthKit's step counter and so far this is what I have. It doesn't fail but I don't see any activity. What am I missing? import UIKit import HealthKit class ViewController: UIV...

I'm trying to display the daily amount of steps the user takes. But I don't really know how to manage this. I already got this code: let endDate = NSDate() let startDate = NSCalendar.currentCalenda...