RouteTracker not working

bastian

Hi there

I'm working with the ArcGIS Maps SDK for Swift (version 200.8) and using an mmpk that includes routing capabilities via a RouteTask. My goal is to implement navigation with automatic rerouting using RouteTracker. I can generate and display the initial route on the map, but I'm not receiving any trackingStatus updates after enabling rerouting and attempting to track user locations.

Here's a simplified version of my code:

// Route solving (works fine, route displays correctly)

let routeParameters = try await routeTask.makeDefaultParameters()

routeParameters.returnsDirections = true

routeParameters.returnsStops = true

routeParameters.directionsStyle = .campus

// Set stops and solve...

let routeResult = try await routeTask.solve(using: routeParameters)

// Rerouting setup

let reroutingParameters = ReroutingParameters(

routeTask: routeTask,

routeParameters: routeParameters

)

let routeTracker = RouteTracker(

routeResult: routeResult,

routeIndex: 0,

skipsCoincidentStops: true

)!

try await routeTracker.enableRerouting(using: reroutingParameters)

// Observation and tracking in a Task

Task {

for await trackingStatus in routeTracker.$trackingStatus {

guard let trackingStatus else { continue }

await self.updateProgress(using: trackingStatus) // This never triggers

}

 

for await location in locationModel.locations {

try await routeTracker?.track(location)

}

}

 

 

Observations:

• No errors are thrown during route solving, tracker creation, or rerouting enablement.
• The initial route geometry from routeResult.routes is correct and renders properly on the map.
• Locations passed to track(location) are of the following form, e.g.:
  Location: heading 81.42815691730715, speed 0.0, position (x: 8.148408059669505, y: 47.37600416066834, spatialReference: WKID 4326).
• I've confirmed routeTracker.reroutingIsEnabled is true after enabling.
• No updates are received in the for await loop on $trackingStatus, and when checking routeTracker.trackingStatus periodically (via a timer), it also remains nil.

 

Do you have any idea why I am not getting any trackingStatus updates?

Any insights would be greatly appreciated!

Thanks in advance!

bastian

Sorry for the code formatting, unfortunately I could not format it without getting an html error. Also, I cannot edit my own post since I only just created this account.  

 

// Route solving (works fine, route displays correctly)
let routeParameters = try await routeTask.makeDefaultParameters()
routeParameters.returnsDirections = true
routeParameters.returnsStops = true
routeParameters.directionsStyle = .campus
// Set stops and solve...
let routeResult = try await routeTask.solve(using: routeParameters)

// Rerouting setup
let reroutingParameters = ReroutingParameters(
    routeTask: routeTask,
    routeParameters: routeParameters
)
let routeTracker = RouteTracker(
    routeResult: routeResult,
    routeIndex: 0,
    skipsCoincidentStops: true
)!

try await routeTracker.enableRerouting(using: reroutingParameters)

// Observation and tracking in a Task
Task {
    for await trackingStatus in routeTracker.$trackingStatus {
        guard let trackingStatus else { continue }
        await self.updateProgress(using: trackingStatus)  // This never triggers
    }
    
    for await location in locationModel.locations {
        try await routeTracker?.track(location)
    }
}