Instance Method

dateOfBirth()

Reads the user’s date of birth from the HealthKit store.

Declaration

func dateOfBirth() throws -> Date

Parameters

error

On input, a pointer to an error object. If an error occurs, this pointer is set to an actual error object containing information about the error. Specify nil for this parameter if you do not want to receive error information.

Return Value

An NSDate object representing the user’s birthdate, or nil.

Discussion

If the user has not yet specified a birth date, or if the user has denied your app permission to read the birth date, this method returns nil.

See Also

Reading Characteristic Data

func biologicalSex() -> HKBiologicalSexObject

Reads the user’s biological sex from the HealthKit store.

func bloodType() -> HKBloodTypeObject

Reads the user’s blood type from the HealthKit store.

func dateOfBirthComponents() -> DateComponents

Reads the user’s date of birth from the HealthKit store.

func fitzpatrickSkinType() -> HKFitzpatrickSkinTypeObject

Reads the user’s Fitzpatrick Skin Type from the HealthKit store.

func wheelchairUse() -> HKWheelchairUseObject

Reads the user’s wheelchair use from the HealthKit store.