systemPrefersReducedResourceUsageDidChangeNotification

Declaration

nonisolated class let systemPrefersReducedResourceUsageDidChangeNotification: NSNotification.Name

Discussion

The object of the notification is the UIApplication object. The userInfo dictionary is empty. Re-read systemPrefersReducedResourceUsage to get the new value.

Use this notification to re-read the value and adjust the scheduling of future work, the same way the property is read proactively. Avoid performing or scheduling expensive work directly in the handler, as this could worsen resource usage.