Vision · IOS API REFERENCE

VNTrackingRequest

class · iOS 11.0+ · SDK 27.1

class VNTrackingRequest

Members (7)

method · iOS 17.0+

TypeScript

supportedNumber(): { $ret: number; $out: { "error": (_Foundation_NSError) | null } }

Swift declaration

func supportedNumber(ofTrackersAndReturnError error: NSErrorPointer) -> Int

Omit the output parameters from the call. The result contains $ret and $out, with error inside $out.

get · iOS 11.0+

TypeScript

get inputObservation(): VNDetectedObjectObservation

Swift declaration

var inputObservation: VNDetectedObjectObservation { get set }

set · iOS 11.0+

TypeScript

set inputObservation(value: VNDetectedObjectObservation)

Swift declaration

var inputObservation: VNDetectedObjectObservation { get set }

get · iOS 11.0+

TypeScript

get isLastFrame(): boolean

Swift declaration

var isLastFrame: Bool { get set }

set · iOS 11.0+

TypeScript

set isLastFrame(value: boolean)

Swift declaration

var isLastFrame: Bool { get set }

get · iOS 11.0+

TypeScript

get trackingLevel(): VNRequestTrackingLevel

Swift declaration

var trackingLevel: VNRequestTrackingLevel { get set }

set · iOS 11.0+

TypeScript

set trackingLevel(value: VNRequestTrackingLevel)

Swift declaration

var trackingLevel: VNRequestTrackingLevel { get set }

1 declarations were excluded from these bindings. Each reason comes from the generator or the iOS SDK compiler.

VNTrackingRequest.init()

inherited init: clang: 'init' is unavailable