Issues using MapboxMapMatching routes

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Hi,

we want to navigate using the Navigation UI SDK version 1.5.1

Besides com.mapbox.api.directions.v5.MapboxDirections routes, we want to use routes from other providers or GPX files.

We use com.mapbox.api.matching.v5.MapboxMapMatching to convert such coordinate lists to com.mapbox.api.directions.v5.models.DirectionsRoute like :

val request = MapboxMapMatching.builder()
.accessToken(Constants.MAPBOX_TOKEN)
.coordinates(positions)
.steps(true)
.voiceInstructions(true)
.bannerInstructions(true)
.profile(DirectionsCriteria.PROFILE_CYCLING)
.build()
The matching is successful and we want to use the route in a navigation like :

val no = NavigationOptions.Builder(App.get().applicationContext)
.accessToken(Constants.MAPBOX_TOKEN)
.distanceFormatter(distanceFormatter)
.isDebugLoggingEnabled(true)
.isFromNavigationUi(true)
.isRouteRefreshEnabled(true)
.build()

mapboxNavigation = MapboxNavigation(no)

[...]

val routes: MutableList = ArrayList()
routes.add(route)
mapboxNavigation?.setRoutes(routes)
mapboxNavigation?.startTripSession()

However, when navigating we are getting wrong route progress information like "You'll arrive" as first banner instruction.

The route contains legs in the correct order, however compared to a route created with com.mapbox.api.directions.v5.MapboxDirections which contains only one Leg with plenty steps, the matched route contains plenty of legs having only always two steps.

Can you resolve what goes wrong or what we are doing wrong ?

Thank you

Inizia tracciando la richiesta MapboxMapMatching attraverso setRoutes(routes) e startTripSession(), confrontando le tratte e i passaggi del percorso associato con un percorso MapboxDirections. Verifica come vengono ricavati la prima istruzione del banner e l’avanzamento del percorso; il lavoro è completato quando i percorsi associati producono l’avanzamento della navigazione e le istruzioni corretti.

Scritto dal modello di indicizzazione a partire dal testo della issue.