Navigation SDK - Android

import com.ola.maps.navigation.v5.navigation.direction.transform

// initialize this variable after onMapReady callback
val navigationRoute = isMapReady ?: olaMapView?.getNavigationMapRoute() : null
val directionsRouteList = arrayListOf<DirectionsRoute>()
// For asynchronous call we can plan for coroutines or any other async call
lifecycleScope.launch(Dispatchers.IO) {
    directionsRouteList.add(transform(routeInfoData))
}
// Once we get the transformed response from SDK, we can call addRoutesForRoutePreview method to show the routes
navigationRoute?.addRoutesForRoutePreview(directionsRouteList)

<style name="NavigationMapRoute">
  <item name="enableSoftTurnArrowState">true</item>
  <item name="showTimeMarkerView">true</item>
  <item name="originWaypointIcon">@drawable/ic_route_icon_empty</item>
</style>
<com.ola.maps.navigation.v5.navigation.OlaMapView
  android:id="@+id/map_view"
  style="@style /NavigationMapRoute;"
  android:layout_width="0dp"
  android:layout_height="0dp"
  app:layout_constraintBottom_toBottomOf="parent"
  app:layout_constraintEnd_toEndOf="parent"
  app:layout_constraintStart_toStartOf="parent"
  app:layout_constraintTop_toTopOf="parent"
  app:navigationDarkTheme="@style/NavigationViewDark"
  app:navigationLightTheme="@style/NavigationViewLight"
/>

<item name="routeSevereCongestionColor">@color/mapbox_navigation_route_layer_congestion_red</item>
<item name="routeShieldColor">@color/mapbox_navigation_route_shield_layer_color</item>
<item name="routeShieldLowColor">@color/mapbox_navigation_route_shield_low_color</item>
<item name="routeShieldModerateColor">@color/mapbox_navigation_route_shield_moderate_color</item>
<item name="routeShieldHeavyColor">@color/mapbox_navigation_route_shield_heavy_color</item>
<item name="routeShieldJamColor">@color/mapbox_navigation_route_shield_jam

// Remove Route Preview
navigationRoute?.removeRoute()
// Remove All Markers
olaMapView?.removeAllMarkers()

import com.ola.maps.navigation.v5.navigation.direction.transform
// initialize this variable after onMapReady callback
val navigationRoute = isMapReady ?: olaMapView?.getNavigationMapRoute() : null 
var directionsRoute : DirectionsRoute = null
// For asynchronous call we can plan for coroutines or any other async call
   lifecycleScope.launch(Dispatchers.IO) {
   directionsRoute = transform(routeInfoData)
}
// Once we get the transformed response from SDK, we can get the NavigationViewOptions instance
val navigationViewOptions = getNavigationViewOptions(directionsRoute)
// Register the listener and start the Navigation for Turn-by-Turn Mode
if (navigationViewOptions != null) {
    olaMapView?.addRouteProgressListener(this@MainActivity)
    olaMapView?.registerNavigationStatusCallback(this@MainActivity)
    olaMapView?.startNavigation(navigationViewOptions)
}

// Remove Route Preview
navigationRoute?.removeRoute()
// Remove Turn-By-Turn Listeners
olaMapView?.removeListeners()
// Remove All Markers
olaMapView?.removeAllMarkers()

import com.ola.maps.navigation.v5.navigation.listeners.NavigationStatusCallback
import com.ola.maps.navigation.v5.navigation.listeners.RouteProgressListener

    override fun onRouteProgressChange(instructionModel: InstructionModel?) {
        instructionModel?.let { it ->
            val distance = it.currentInstructionModel.getDistance()
            val imageType = it.currentInstructionModel.getImageType()
            val updatedInstructionText = it.currentInstructionModel.getTextInstruction()
        }
    }
    override fun onOffRoute(location: Location?) {
    //Need to call Route-API again for Re-Route state with current location  and destination as getting from onOffRoute      
         val routeInfoData: RouteInfoData = get from the response of Route-API
        val directionsRoute = transform(routeInfoData) // transform should be called asynchronously
        olaMapView?.updateNavigation(directionsRoute)
    }
    override fun onArrival() {
        // Show UI of once User is reached at destination
    }