CODEWITHSUNDEEP
objective-cswifthealthkit
Ing. Ron
Ing. Ron

Reputation: 2095

Translation help needed from SWIFT to Objective C "healthStore.requestAuthorizationToShareTypes"

Unfortunately Apple do not translate their new examples to Objective C. I have a working SWIFT code fragment, but my translation to objective C is not working - The authorisation request does not appear in the objective c code on the iPhone -

SWIFT:

   class InterfaceController: WKInterfaceController {

   let healthStore = HKHealthStore()


    override func willActivate() {
       super.willActivate()

       guard let quantityType = HKQuantityType.quantityTypeForIdentifier(HKQuantityTypeIdentifierHeartRate) else {
            return
       }

       let dataTypes = Set(arrayLiteral: quantityType)
       healthStore.requestAuthorizationToShareTypes(nil, readTypes: dataTypes) { (success, error) -> Void in
           if success == false {

           }
       }
    }

   }

Objective-C: 

@interface InterfaceController()

@property HKHealthStore * healthScore;

@end


@implementation InterfaceController


- (void)willActivate {

[super willActivate];

NSString * quantity = HKQuantityTypeIdentifierHeartRate;

HKQuantityType * quantityType = [HKQuantityType quantityTypeForIdentifier:quantity];

NSSet <HKQuantityType *> * dataTypes = [NSSet setWithArray:@[quantityType]];

[self.healthScore requestAuthorizationToShareTypes:nil readTypes:dataTypes completion:^(BOOL success, NSError * _Nullable error) {
if (!success) { } }];
}

@end

Upvotes: 0

Views: 471

Answers (1)

zaph
zaph

Reputation: 112857

You are missing creating healthScore prior to using it.

let healthStore = HKHealthStore() creates an instance.

// Missing initialization
self.healthScore = [HKHealthStore new];

...

[self.healthScore requestAuthorizationToShareTypes:nil readTypes:dataTypes completion:^(BOOL success, NSError * _Nullable error) {

Upvotes: 1

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