init(unit:doubleValue:)
Instantiates and returns a new quantity object.
Declaration
convenience init(unit: HKUnit, doubleValue value: Double)Parameters
- unit:
The units for the given value. This defines the set of compatible units. For example, if you create a quantity with a meter unit, it is compatible with any other length units.
- value:
The value of this quantity, measured using the unit parameter.
Return Value
A newly instantiated quantity instance.
Discussion
HealthKit uses quantity objects to store data for quantity samples. For more information on using quantity objects, see HKQuantitySample.