Reading and Writing HealthKit Series Data

Create and share HealthKit samples.

A sample that represents a cumulative quantity.

A sample that represents a discrete quantity.

A sample that represents a quantity, including the value and the units.

A sample whose values are selected from a short list of possible values.

A sample that groups multiple related samples into a single entry.

Objects used to specify a quantity for a given unit (for example, 175 lbs), and to convert between units (79.4 kg).

Constants used to add metadata to objects stored in HealthKit.