Basic Navigation UI SDK implementation
A newer version of the Navigation SDK is available
This page uses v1.6.2 of the Mapbox Navigation SDK. A newer version of the SDK is available. Learn about the latest version, v2.20.1, in the Navigation SDK documentation.
Note
This example is a part of the Navigation SDK Examples. You can find the values for all referenced resources in the res directory. For example, see res/values/strings.xml for R.string.* references used in this example. The dependencies can be found here.The examples use View binding.See setup documention if necessary.
activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
xmlns:app="http://schemas.android.com/apk/res-auto">
<com.mapbox.navigation.ui.NavigationView
android:id="@+id/navigationView"
android:layout_width="0dp"
android:layout_height="0dp"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintBottom_toBottomOf="parent" />
</androidx.constraintlayout.widget.ConstraintLayout>
MainActivity.kt
package com.example.myapplication
import android.os.Bundle
import androidx.appcompat.app.AppCompatActivity
import com.mapbox.api.directions.v5.models.DirectionsRoute
import com.mapbox.mapboxsdk.Mapbox
import com.mapbox.navigation.core.MapboxNavigation
import com.mapbox.navigation.ui.NavigationViewOptions
import com.mapbox.navigation.ui.OnNavigationReadyCallback
import com.mapbox.navigation.ui.listeners.NavigationListener
import com.mapbox.navigation.ui.map.NavigationMapboxMap
import kotlinx.android.synthetic.main.activity_main.*
class MainActivity : AppCompatActivity(), OnNavigationReadyCallback, NavigationListener {
private lateinit var navigationMapboxMap: NavigationMapboxMap
private lateinit var mapboxNavigation: MapboxNavigation
private val route by lazy { getDirectionsRoute() }
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
Mapbox.getInstance(applicationContext, getString(R.string.mapbox_access_token))
setContentView(R.layout.activity_main)
navigationView.onCreate(savedInstanceState)
navigationView.initialize(this)
}
override fun onLowMemory() {
super.onLowMemory()
navigationView.onLowMemory()
}
override fun onStart() {
super.onStart()
navigationView.onStart()
}
override fun onResume() {
super.onResume()
navigationView.onResume()
}
override fun onStop() {
super.onStop()
navigationView.onStop()
}
override fun onPause() {
super.onPause()
navigationView.onPause()
}
override fun onDestroy() {
navigationView.onDestroy()
super.onDestroy()
}
override fun onBackPressed() {
// If the navigation view didn't need to do anything, call super
if (!navigationView.onBackPressed()) {
super.onBackPressed()
}
}
override fun onSaveInstanceState(outState: Bundle) {
navigationView.onSaveInstanceState(outState)
super.onSaveInstanceState(outState)
}
override fun onRestoreInstanceState(savedInstanceState: Bundle) {
super.onRestoreInstanceState(savedInstanceState)
navigationView.onRestoreInstanceState(savedInstanceState)
}
override fun onNavigationReady(isRunning: Boolean) {
if (!isRunning && !::navigationMapboxMap.isInitialized) {
if (navigationView.retrieveNavigationMapboxMap() != null) {
this.navigationMapboxMap = navigationView.retrieveNavigationMapboxMap()!!
navigationView.retrieveMapboxNavigation()?.let { this.mapboxNavigation = it }
val optionsBuilder = NavigationViewOptions.builder(this)
optionsBuilder.navigationListener(this)
optionsBuilder.directionsRoute(route)
optionsBuilder.shouldSimulateRoute(true)
navigationView.startNavigation(optionsBuilder.build())
}
}
}
override fun onNavigationRunning() {
// Empty because not needed in this example
}
override fun onNavigationFinished() {
finish()
}
override fun onCancelNavigation() {
navigationView.stopNavigation()
finish()
}
private fun getDirectionsRoute(): DirectionsRoute {
val directionsRouteAsJson = "{\"routeIndex\":\"0\",\"distance\":1988.6,\"duration\":433.9,\"geometry\":\"}oragA|dnmhFtO{SvC_ExCtEvLjPfSrXbCdDeCdDmI~KkLzOyGbJqCzD}B`Bc\\\\xc@wBvES^Sb@cAtByApCu@v@_An@wGx@aSdCkCZZxE`Cn^x@zLt@bLF|@XdEXlEx@dMvDbn@TrDXvElClb@`@|G^|ElAlR|@~Mf@|H`@bGfHjgAv@vMX|EtAlRxA`UnCdb@jAvQdJtvAZvETlDXjE~Cdf@nEfr@JxADp@Bf@Dd@Dv@N|BdKv~AzAnUdInoAgEh@wn@pH}C^YD\\\\`FzAjUtGnbATtD`@EvC]j@Ir_@oE\",\"weight\":774.2,\"weight_name\":\"routability\",\"legs\":[{\"distance\":1988.6,\"duration\":433.9,\"summary\":\"Fremont Street, Pine Street\",\"steps\":[{\"distance\":53.7,\"duration\":10.3,\"geometry\":\"}oragA|dnmhFtO{SvC_E\",\"name\":\"Beale Street\",\"mode\":\"driving\",\"maneuver\":{\"location\":[-122.396255,37.791503],\"bearing_before\":0.0,\"bearing_after\":135.0,\"instruction\":\"Head southeast on Beale Street\",\"type\":\"depart\",\"modifier\":\"right\"},\"voiceInstructions\":[{\"distanceAlongGeometry\":53.7,\"announcement\":\"Head southeast on Beale Street, then turn right onto Mission Street\",\"ssmlAnnouncement\":\"\\u003cspeak\\u003e\\u003camazon:effect name\\u003d\\\"drc\\\"\\u003e\\u003cprosody rate\\u003d\\\"1.08\\\"\\u003eHead southeast on Beale Street, then turn right onto Mission Street\\u003c/prosody\\u003e\\u003c/amazon:effect\\u003e\\u003c/speak\\u003e\"}],\"bannerInstructions\":[{\"distanceAlongGeometry\":53.7,\"primary\":{\"text\":\"Mission Street\",\"components\":[{\"text\":\"Mission Street\",\"type\":\"text\",\"abbr\":\"Mission St\",\"abbr_priority\":0}],\"type\":\"turn\",\"modifier\":\"right\"},\"sub\":{\"text\":\"Fremont Street\",\"components\":[{\"text\":\"Fremont Street\",\"type\":\"text\",\"abbr\":\"Fremont St\",\"abbr_priority\":0}],\"type\":\"turn\",\"modifier\":\"right\"}}],\"driving_side\":\"right\",\"weight\":34.9,\"intersections\":[{\"location\":[-122.396255,37.791503],\"bearings\":[135],\"entry\":[true],\"out\":0}]},{\"distance\":108.6,\"duration\":36.7,\"geometry\":\"ozqagA`jmmhFxCtEvLjPfSrXbCdD\",\"name\":\"Mission Street\",\"mode\":\"driving\",\"maneuver\":{\"location\":[-122.395825,37.79116],\"bearing_before\":135.0,\"bearing_after\":225.0,\"instruction\":\"Turn right onto Mission Street\",\"type\":\"turn\",\"modifier\":\"right\"},\"voiceInstructions\":[{\"distanceAlongGeometry\":44.4,\"announcement\":\"Turn right onto Fremont Street\",\"ssmlAnnouncement\":\"\\u003cspeak\\u003e\\u003camazon:effect name\\u003d\\\"drc\\\"\\u003e\\u003cprosody rate\\u003d\\\"1.08\\\"\\u003eTurn right onto Fremont Street\\u003c/prosody\\u003e\\u003c/amazon:effect\\u003e\\u003c/speak\\u003e\"}],\"bannerInstructions\":[{\"distanceAlongGeometry\":108.6,\"primary\":{\"text\":\"Fremont Street\",\"components\":[{\"text\":\"Fremont Street\",\"type\":\"text\",\"abbr\":\"Fremont St\",\"abbr_priority\":0}],\"type\":\"turn\",\"modifier\":\"right\"}}],\"driving_side\":\"right\",\"weight\":61.5,\"intersections\":[{\"location\":[-122.395825,37.79116],\"bearings\":[45,135,225,315],\"entry\":[true,true,true,false],\"in\":3,\"out\":2}]},{\"distance\":283.1,\"duration\":76.4,\"geometry\":\"qopagA|`omhFeCdDmI~KkLzOyGbJqCzD}B`Bc\\\\xc@wBvES^Sb@cAtByApCu@v@_An@wGx@aSdCkCZ\",\"name\":\"Fremont Street\",\"mode\":\"driving\",\"maneuver\":{\"location\":[-122.396703,37.790473],\"bearing_before\":223.0,\"bearing_after\":315.0,\"instruction\":\"Turn right onto Fremont Street\",\"type\":\"turn\",\"modifier\":\"right\"},\"voiceInstructions\":[{\"distanceAlongGeometry\":263.1,\"announcement\":\"In 900 feet, turn left onto Pine Street\",\"ssmlAnnouncement\":\"\\u003cspeak\\u003e\\u003camazon:effect name\\u003d\\\"drc\\\"\\u003e\\u003cprosody rate\\u003d\\\"1.08\\\"\\u003eIn 900 feet, turn left onto Pine Street\\u003c/prosody\\u003e\\u003c/amazon:effect\\u003e\\u003c/speak\\u003e\"},{\"distanceAlongGeometry\":55.6,\"announcement\":\"Turn left onto Pine Street\",\"ssmlAnnouncement\":\"\\u003cspeak\\u003e\\u003camazon:effect name\\u003d\\\"drc\\\"\\u003e\\u003cprosody rate\\u003d\\\"1.08\\\"\\u003eTurn left onto Pine Street\\u003c/prosody\\u003e\\u003c/amazon:effect\\u003e\\u003c/speak\\u003e\"}],\"bannerInstructions\":[{\"distanceAlongGeometry\":283.1,\"primary\":{\"text\":\"Pine Street\",\"components\":[{\"text\":\"Pine Street\",\"type\":\"text\",\"abbr\":\"Pine St\",\"abbr_priority\":0}],\"type\":\"turn\",\"modifier\":\"left\"}}],\"driving_side\":\"right\",\"weight\":132.8,\"intersections\":[{\"location\":[-122.396703,37.790473],\"bearings\":[45,135,225,315],\"entry\":[false,false,true,true],\"in\":0,\"out\":3},{\"location\":[-122.398298,37.791734],\"bearings\":[135,300],\"entry\":[false,true],\"in\":0,\"out\":1}]},{\"distance\":1217.6,\"duration\":218.89999999999998,\"geometry\":\"yhtagAbxrmhFZxE`Cn^x@zLt@bLF|@XdEXlEx@dMvDbn@TrDXvElClb@`@|G^|ElAlR|@~Mf@|H`@bGfHjgAv@vMX|EtAlRxA`UnCdb@jAvQdJtvAZvETlDXjE~Cdf@nEfr@JxADp@Bf@Dd@Dv@N|BdKv~AzAnUdInoA\",\"name\":\"Pine Street\",\"mode\":\"driving\",\"maneuver\":{\"location\":[-122.39861,37.792413],\"bearing_before\":350.0,\"bearing_after\":260.0,\"instruction\":\"Turn left onto Pine Street\",\"type\":\"turn\",\"modifier\":\"left\"},\"voiceInstructions\":[{\"distanceAlongGeometry\":1197.6,\"announcement\":\"Continue on Pine Street for a half mile\",\"ssmlAnnouncement\":\"\\u003cspeak\\u003e\\u003camazon:effect name\\u003d\\\"drc\\\"\\u003e\\u003cprosody rate\\u003d\\\"1.08\\\"\\u003eContinue on Pine Street for a half mile\\u003c/prosody\\u003e\\u003c/amazon:effect\\u003e\\u003c/speak\\u003e\"},{\"distanceAlongGeometry\":389.4,\"announcement\":\"In a quarter mile, turn right onto Taylor Street\",\"ssmlAnnouncement\":\"\\u003cspeak\\u003e\\u003camazon:effect name\\u003d\\\"drc\\\"\\u003e\\u003cprosody rate\\u003d\\\"1.08\\\"\\u003eIn a quarter mile, turn right onto Taylor Street\\u003c/prosody\\u003e\\u003c/amazon:effect\\u003e\\u003c/speak\\u003e\"},{\"distanceAlongGeometry\":83.4,\"announcement\":\"Turn right onto Taylor Street, then turn left onto California Street\",\"ssmlAnnouncement\":\"\\u003cspeak\\u003e\\u003camazon:effect name\\u003d\\\"drc\\\"\\u003e\\u003cprosody rate\\u003d\\\"1.08\\\"\\u003eTurn right onto Taylor Street, then turn left onto California Street\\u003c/prosody\\u003e\\u003c/amazon:effect\\u003e\\u003c/speak\\u003e\"}],\"bannerInstructions\":[{\"distanceAlongGeometry\":1217.6,\"primary\":{\"text\":\"Taylor Street\",\"components\":[{\"text\":\"Taylor Street\",\"type\":\"text\",\"abbr\":\"Taylor St\",\"abbr_priority\":0}],\"type\":\"turn\",\"modifier\":\"right\"}},{\"distanceAlongGeometry\":83.4,\"primary\":{\"text\":\"Taylor Street\",\"components\":[{\"text\":\"Taylor Street\",\"type\":\"text\",\"abbr\":\"Taylor St\",\"abbr_priority\":0}],\"type\":\"turn\",\"modifier\":\"right\"},\"sub\":{\"text\":\"California Street\",\"components\":[{\"text\":\"California Street\",\"type\":\"text\",\"abbr\":\"California St\",\"abbr_priority\":0}],\"type\":\"turn\",\"modifier\":\"left\"}}],\"driving_side\":\"right\",\"weight\":364.5,\"intersections\":[{\"location\":[-122.39861,37.792413],\"bearings\":[75,165,255,345],\"entry\":[false,false,true,true],\"in\":1,\"out\":2},{\"location\":[-122.399785,37.792261],\"bearings\":[75,165,255,345],\"entry\":[false,true,true,false],\"in\":0,\"out\":2},{\"location\":[-122.400959,37.792116],\"bearings\":[75,165,255,345],\"entry\":[false,false,true,true],\"in\":0,\"out\":2},{\"location\":[-122.402598,37.791909],\"bearings\":[75,165,255,345],\"entry\":[false,true,true,false],\"in\":0,\"out\":2},{\"location\":[-122.404233,37.791703],\"bearings\":[75,180,255,345],\"entry\":[false,false,true,true],\"in\":0,\"out\":2},{\"location\":[-122.40576,37.791505],\"bearings\":[75,165,255,345],\"entry\":[false,false,true,true],\"in\":0,\"out\":2},{\"location\":[-122.407358,37.791301],\"bearings\":[75,165,255,345],\"entry\":[false,true,true,true],\"in\":0,\"out\":2},{\"location\":[-122.408952,37.791098],\"bearings\":[75,165,255,345],\"entry\":[false,false,true,true],\"in\":0,\"out\":2},{\"location\":[-122.409044,37.791087],\"bearings\":[75,165,255,345],\"entry\":[false,true,true,false],\"in\":0,\"out\":2},{\"location\":[-122.410639,37.790884],\"bearings\":[75,165,255,345],\"entry\":[false,true,true,false],\"in\":0,\"out\":2}]},{\"distance\":107.7,\"duration\":25.8,\"geometry\":\"e|pagA|nmnhFgEh@wn@pH}C^YD\",\"name\":\"Taylor Street\",\"mode\":\"driving\",\"maneuver\":{\"location\":[-122.412287,37.790675],\"bearing_before\":260.0,\"bearing_after\":350.0,\"instruction\":\"Turn right onto Taylor Street\",\"type\":\"turn\",\"modifier\":\"right\"},\"voiceInstructions\":[{\"distanceAlongGeometry\":62.6,\"announcement\":\"Turn left onto California Street, then turn left onto Jones Street\",\"ssmlAnnouncement\":\"\\u003cspeak\\u003e\\u003camazon:effect name\\u003d\\\"drc\\\"\\u003e\\u003cprosody rate\\u003d\\\"1.08\\\"\\u003eTurn left onto California Street, then turn left onto Jones Street\\u003c/prosody\\u003e\\u003c/amazon:effect\\u003e\\u003c/speak\\u003e\"}],\"bannerInstructions\":[{\"distanceAlongGeometry\":107.7,\"primary\":{\"text\":\"California Street\",\"components\":[{\"text\":\"California Street\",\"type\":\"text\",\"abbr\":\"California St\",\"abbr_priority\":0}],\"type\":\"turn\",\"modifier\":\"left\"}},{\"distanceAlongGeometry\":62.6,\"primary\":{\"text\":\"California Street\",\"components\":[{\"text\":\"California Street\",\"type\":\"text\",\"abbr\":\"California St\",\"abbr_priority\":0}],\"type\":\"turn\",\"modifier\":\"left\"},\"sub\":{\"text\":\"Jones Street\",\"components\":[{\"text\":\"Jones Street\",\"type\":\"text\",\"abbr\":\"Jones St\",\"abbr_priority\":0}],\"type\":\"turn\",\"modifier\":\"left\"}}],\"driving_side\":\"right\",\"weight\":70.3,\"intersections\":[{\"location\":[-122.412287,37.790675],\"bearings\":[75,165,255,345],\"entry\":[false,false,true,true],\"in\":0,\"out\":3}]},{\"distance\":146.2,\"duration\":42.4,\"geometry\":\"}wragA~zmnhF\\\\`FzAjUtGnbATtD\",\"name\":\"California Street\",\"mode\":\"driving\",\"maneuver\":{\"location\":[-122.41248,37.791631],\"bearing_before\":350.0,\"bearing_after\":260.0,\"instruction\":\"Turn left onto California Street\",\"type\":\"turn\",\"modifier\":\"left\"},\"voiceInstructions\":[{\"distanceAlongGeometry\":51.7,\"announcement\":\"Turn left onto Jones Street, then you will arrive at your destination\",\"ssmlAnnouncement\":\"\\u003cspeak\\u003e\\u003camazon:effect name\\u003d\\\"drc\\\"\\u003e\\u003cprosody rate\\u003d\\\"1.08\\\"\\u003eTurn left onto Jones Street, then you will arrive at your destination\\u003c/prosody\\u003e\\u003c/amazon:effect\\u003e\\u003c/speak\\u003e\"}],\"bannerInstructions\":[{\"distanceAlongGeometry\":146.2,\"primary\":{\"text\":\"Jones Street\",\"components\":[{\"text\":\"Jones Street\",\"type\":\"text\",\"abbr\":\"Jones St\",\"abbr_priority\":0}],\"type\":\"turn\",\"modifier\":\"left\"}}],\"driving_side\":\"right\",\"weight\":86.8,\"intersections\":[{\"location\":[-122.41248,37.791631],\"bearings\":[75,165,255,345],\"entry\":[true,false,true,true],\"in\":1,\"out\":2}]},{\"distance\":71.7,\"duration\":23.4,\"geometry\":\"wjragAraqnhF`@EvC]j@Ir_@oE\",\"name\":\"Jones Street\",\"mode\":\"driving\",\"maneuver\":{\"location\":[-122.414122,37.79142],\"bearing_before\":260.0,\"bearing_after\":170.0,\"instruction\":\"Turn left onto Jones Street\",\"type\":\"turn\",\"modifier\":\"left\"},\"voiceInstructions\":[{\"distanceAlongGeometry\":15.3,\"announcement\":\"You have arrived at your destination, on the right\",\"ssmlAnnouncement\":\"\\u003cspeak\\u003e\\u003camazon:effect name\\u003d\\\"drc\\\"\\u003e\\u003cprosody rate\\u003d\\\"1.08\\\"\\u003eYou have arrived at your destination, on the right\\u003c/prosody\\u003e\\u003c/amazon:effect\\u003e\\u003c/speak\\u003e\"}],\"bannerInstructions\":[{\"distanceAlongGeometry\":71.7,\"primary\":{\"text\":\"You will arrive\",\"components\":[{\"text\":\"You will arrive\",\"type\":\"text\"}],\"type\":\"arrive\",\"modifier\":\"right\"}},{\"distanceAlongGeometry\":15.3,\"primary\":{\"text\":\"You have arrived\",\"components\":[{\"text\":\"You have arrived\",\"type\":\"text\"}],\"type\":\"arrive\",\"modifier\":\"right\"}}],\"driving_side\":\"right\",\"weight\":23.4,\"intersections\":[{\"location\":[-122.414122,37.79142],\"bearings\":[75,165,255,345],\"entry\":[false,true,true,true],\"in\":0,\"out\":1}]},{\"distance\":0.0,\"duration\":0.0,\"geometry\":\"}bqagAtypnhF\",\"name\":\"Jones Street\",\"mode\":\"driving\",\"maneuver\":{\"location\":[-122.413995,37.790783],\"bearing_before\":171.0,\"bearing_after\":0.0,\"instruction\":\"You have arrived at your destination, on the right\",\"type\":\"arrive\",\"modifier\":\"right\"},\"voiceInstructions\":[],\"bannerInstructions\":[],\"driving_side\":\"right\",\"weight\":0.0,\"intersections\":[{\"location\":[-122.413995,37.790783],\"bearings\":[351],\"entry\":[true],\"in\":0}]}],\"annotation\":{\"distance\":[41.75872891540546,11.943930596414795,12.720147968330114,34.58112560559672,50.96480933738249,10.349556668565532,10.428744124966986,26.062939337835754,33.61207745353073,22.152629772397148,11.584122498337331,8.22504067141732,73.25791925952063,11.603839142628226,1.7930152150745173,1.9339724019326627,6.4182775391464615,8.137686480966448,3.8827293592940286,4.137411880032337,15.778927074065876,36.18605026816596,7.882482295429149,9.70628239052936,44.88520535070527,19.777529614845466,18.70069668033605,2.7608352091952852,8.820943994209998,9.167951891088123,20.211271187411434,67.05841934336348,8.004641462478803,9.602196312248573,50.45852431578543,12.710488322858675,9.917381766860117,27.67756036992424,21.374879966188537,14.151341864692084,11.581827207587462,103.10585401718104,20.975906679342675,9.863007930072529,27.750876716852083,31.428390784757813,50.12927675688965,26.70541846540595,124.91524890087112,9.619673955896003,7.744241825057303,9.081282300519934,55.824774196397755,72.99751351106848,4.01125146327413,2.22260556286811,1.7719511994183288,1.7030446015893967,2.4836226090145,5.608523009263369,136.39335067018692,32.0538539535892,114.65384371553199,11.274751280297357,86.03444465258252,8.898707903215941,1.4697888668235173,10.071397847728418,31.880018736822993,96.1785674755274,8.091589695903005,1.90914496306627,8.555399787319097,2.4861312264216893,58.775343965717596],\"congestion\":[\"low\",\"low\",\"low\",\"low\",\"low\",\"low\",\"heavy\",\"moderate\",\"moderate\",\"moderate\",\"heavy\",\"low\",\"low\",\"low\",\"low\",\"low\",\"low\",\"low\",\"low\",\"low\",\"low\",\"low\",\"low\",\"low\",\"low\",\"low\",\"low\",\"low\",\"low\",\"low\",\"low\",\"low\",\"low\",\"moderate\",\"moderate\",\"moderate\",\"moderate\",\"heavy\",\"low\",\"low\",\"low\",\"low\",\"low\",\"low\",\"low\",\"low\",\"low\",\"low\",\"low\",\"low\",\"low\",\"moderate\",\"low\",\"low\",\"low\",\"low\",\"low\",\"low\",\"low\",\"low\",\"low\",\"low\",\"low\",\"low\",\"low\",\"low\",\"low\",\"low\",\"low\",\"low\",\"low\",\"low\",\"low\",\"low\",\"low\"]}}],\"routeOptions\":{\"baseUrl\":\"https://api.mapbox.com\",\"user\":\"mapbox\",\"profile\":\"driving-traffic\",\"coordinates\":[[-122.396485,37.7913239],[-122.4142621,37.7907495]],\"alternatives\":true,\"language\":\"en\",\"continue_straight\":false,\"roundabout_exits\":false,\"geometries\":\"polyline6\",\"overview\":\"full\",\"steps\":true,\"annotations\":\"congestion,distance\",\"voice_instructions\":true,\"banner_instructions\":true,\"voice_units\":\"metric\",\"access_token\":\"${getString(R.string.mapbox_access_token)}\",\"uuid\":\"ck7dtdd2z00yx75plynvtan26\"},\"voiceLocale\":\"en\"}"
return DirectionsRoute.fromJson(directionsRouteAsJson)
}
companion object {
private const val TAG = "MainActivity"
}
}