Class

ProgressManager

iOS 26.0+ iPadOS 26.0+ Mac Catalyst 26.0+ macOS 26.0+ tvOS 26.0+ visionOS 26.0+ watchOS 26.0+

An object that conveys ongoing progress to the user for a specified task.

@dynamicMemberLookup final class ProgressManager

Topics

protocol Property
A type that conveys additional task-specific information on progress.

var completedCount: Int
The completed units of work.
var fractionCompleted: Double
The proportion of work completed. This takes into account the fraction completed in its children instances if children are present. If self is indeterminate, the value will be 0.0.
var isFinished: Bool
The state of completion of work. If completedCount >= totalCount, the value will be true.
var isIndeterminate: Bool
The state of initialization of totalCount. If totalCount is nil, the value will be true.
var reporter: ProgressReporter
A ProgressReporter instance, used for providing read-only observation of progress updates or composing into other ProgressManagers.
var totalCount: Int?
The total units of work.

func assign(count: Int, to: ProgressReporter)
Adds a ProgressReporter as a child, with its progress representing a portion of self’s progress.
func complete(count: Int)
Increases completedCount by count.
func setCounts((inout Int, inout Int?) -> Void)
func subprogress(assigningCount: Int) -> Subprogress
Returns a Subprogress representing a portion of self which can be passed to any method that reports progress.
func summary(of:)
Returns a summary for a custom double property across the progress subtree.