HKTest

Info.plist

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
	<key>CFBundleDevelopmentRegion</key>
	<string>$(DEVELOPMENT_LANGUAGE)</string>
	<key>CFBundleExecutable</key>
	<string>$(EXECUTABLE_NAME)</string>
	<key>CFBundleIdentifier</key>
	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
	<key>CFBundleInfoDictionaryVersion</key>
	<string>6.0</string>
	<key>CFBundleName</key>
	<string>$(PRODUCT_NAME)</string>
	<key>CFBundlePackageType</key>
	<string>APPL</string>
	<key>CFBundleShortVersionString</key>
	<string>1.0</string>
	<key>CFBundleVersion</key>
	<string>1</string>
	<key>LSRequiresIPhoneOS</key>
	<true/>
	<key>UILaunchStoryboardName</key>
	<string>LaunchScreen</string>
	<key>UIMainStoryboardFile</key>
	<string>Main</string>
	<key>UIRequiredDeviceCapabilities</key>
	<array>
		<string>armv7</string>
	</array>
	<key>UISupportedInterfaceOrientations</key>
	<array>
		<string>UIInterfaceOrientationPortrait</string>
		<string>UIInterfaceOrientationLandscapeLeft</string>
		<string>UIInterfaceOrientationLandscapeRight</string>
	</array>
	<key>UISupportedInterfaceOrientations~ipad</key>
	<array>
		<string>UIInterfaceOrientationPortrait</string>
		<string>UIInterfaceOrientationPortraitUpsideDown</string>
		<string>UIInterfaceOrientationLandscapeLeft</string>
		<string>UIInterfaceOrientationLandscapeRight</string>
	</array>
	<key>NSHealthShareUsageDescription</key>
	<string>test healthkit</string>
	<key>NSHealthUpdateUsageDescription</key>
	<string>test healthkit</string>
</dict>
</plist>

ViewController.swift

//
//  ViewController.swift
//  HKTest
//
//  Created by Paul Wilkinson on 30/1/18.
//  Copyright © 2018 Paul Wilkinson. All rights reserved.
//

import UIKit
import HealthKit

class ViewController: UIViewController {
    

    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view, typically from a nib.
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }
    
    override func viewDidAppear(_ animated: Bool) {
        super .viewDidAppear(animated)
        self.requestHealthkit()
    }

    public func requestHealthkit() {
        let healthStore = HKHealthStore()
        var shareTypes = Set<HKSampleType>()
        shareTypes.insert(HKSampleType.workoutType())
        var readTypes = Set<HKObjectType>()
        readTypes.insert(HKObjectType.workoutType())
        
        healthStore.requestAuthorization(toShare: shareTypes, read: readTypes) { (success, error) -> Void in
            if success {
                print("[HealthKit] request Authorization succeed!")
            } else {
                print("[HealthKit] request Authorization failed!")
            }
            if let error = error { print("[HealthKit] An error occurred: \(error)") }
        }
    }

}