Foundation Monitor Classes

A BundleClassLoadMonitor instance monitors a bundle for dynamic loads of classes.

A BundleResourceRequestMonitor instance monitors the system to detect if the amount of available disk space for on-demand resources is getting low.

A CalendarDayMonitor instance monitors the system for changes to the calendar day.

A CurrentLocaleMonitor instance monitors the system for changes to the user’s locale.

An ExtensionHostMonitor instance monitors an extension context for changes to the runtime state of the extension’s host app.

An HTTPCookiesStorageMonitor instance monitors an HTTP cookie storage object for changes to its acceptance policy or to its cookies.

A MetadataQueryMonitor instance monitors a metadata query for changes to its results.

A PortMonitor instance monitors a port for changes to its validity.

A ProcessInfoPowerStateMonitor instance monitors the device for changes to its power state (Low Power Mode is enabled or disabled).

A ProcessInfoThermalStateMonitor instance monitors the system for changes to the thermal state.

A SystemClockMonitor instance monitors the system for changes to the clock.

A SystemTimeZoneMonitor instance monitors the system for changes to the currently used time zone.

A UbiquitousKeyValueStoreMonitor instance monitors the iCloud (“ubiquitous”) key-value store for changes due to incoming data pushed from iCloud.

A UbiquityIdentityMonitor instance monitors the system for changes to the iCloud (”ubiquity”) identity. The iCloud identity changes when the current user logs into or out of an iCloud account, or enables or disables the syncing of documents and data.

An UndoManagerMonitor instance monitors an undo manager for changes to its recording of operations.

A URLCredentialStorageMonitor instance monitors the shared URL credential storage object for changes to its stored credentials.

A UserDefaultsMonitor instance monitors a user defaults object for changes to its data.