Enumeration

HKUpdateFrequency

Constants that determine how often the system will launch your app in response to changes to HealthKit data.

Declaration

typedef enum HKUpdateFrequency : NSInteger {
    ...
} HKUpdateFrequency;

Overview

For more information, see HKObserverQuery.

Topics

Constants

HKUpdateFrequencyImmediate

The system launches your app every time it detects a change.

HKUpdateFrequencyHourly

The system launches your app at most once an hour in response to changes.

HKUpdateFrequencyDaily

The system launches your app at most once a day in response to changes.

HKUpdateFrequencyWeekly

The system launches your app at most once per week in response to changes.

See Also

Managing Background Delivery

- enableBackgroundDeliveryForType:frequency:withCompletion:

Enables the background delivery of updates.

- disableBackgroundDeliveryForType:withCompletion:

Disables background deliveries of update notifications for the specified data type.

- disableAllBackgroundDeliveryWithCompletion:

Disables all background deliveries of update notifications.