Service

app/src/main/AndroidManifest.xml

@@ -45,6 +45,12 @@
             android:foregroundServiceType="location"
             android:exported="true">
         </service>
+        <service
+            android:name=".car.navigation.NavigationService"
+            android:enabled="true"
+            android:foregroundServiceType="location"
+            android:exported="true">
+        </service>
     </application>
 
 </manifest>

common/car/src/main/java/com/kouros/navigation/car/DeviceLocationManagerService.kt

@@ -0,0 +1,97 @@
+package com.kouros.navigation.car
+
+import android.annotation.SuppressLint
+import android.content.Context
+import android.location.Location
+import android.location.LocationManager
+import androidx.car.app.CarContext
+import androidx.core.location.LocationListenerCompat
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.LifecycleOwner
+import androidx.lifecycle.lifecycleScope
+import androidx.lifecycle.repeatOnLifecycle
+import com.kouros.navigation.car.navigation.NavigationService
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.collectLatest
+import kotlinx.coroutines.launch
+
+/**
+ * Manages device GPS location updates for navigation.
+ * Coordinates with car hardware sensors to avoid duplicate location sources.
+ *
+ * @param carContext The car context for accessing system services
+ * @param serviceOwner Owner of the lifecycle for coroutine management
+ * @param shouldUseCarLocationFlow Flow indicating whether car location hardware should be used
+ * @param onLocationUpdate Callback invoked when location updates are received
+ * @param onInitialLocation Callback invoked with the last known location when starting
+ */
+class DeviceLocationManagerService(
+    private val carContext: CarContext,
+    private val onLocationUpdate: (Location) -> Unit,
+    private val onInitialLocation: (Location) -> Unit
+) {
+
+    private val locationManager: LocationManager =
+        carContext.getSystemService(Context.LOCATION_SERVICE) as LocationManager
+
+    private var shouldUseDeviceLocation = true
+    private var isListening = false
+
+    /**
+     * Location listener that receives GPS updates from the device.
+     * Only processes location if car location hardware is not being used.
+     */
+    private val locationListener: LocationListenerCompat = LocationListenerCompat { location ->
+        if (shouldUseDeviceLocation) {
+            onLocationUpdate(location)
+        }
+    }
+
+    init {
+
+    }
+
+    /**
+     * Starts requesting location updates from device GPS.
+     * Provides initial location via callback and then starts continuous updates.
+     *
+     * @param minTimeMs Minimum time interval between updates in milliseconds (default: 500ms)
+     * @param minDistanceM Minimum distance between updates in meters (default: 5m)
+     */
+    @SuppressLint("MissingPermission")
+    fun startLocationUpdates(minTimeMs: Long = 1000, minDistanceM: Float = 5.0f) {
+        if (isListening) return
+
+        // Get and deliver last known location first
+        val lastLocation = locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER)
+        if (lastLocation != null) {
+            onInitialLocation(lastLocation)
+            onLocationUpdate(lastLocation)
+        }
+
+        // Start continuous location updates
+        locationManager.requestLocationUpdates(
+            LocationManager.GPS_PROVIDER,
+            minTimeMs,
+            minDistanceM,
+            locationListener
+        )
+        isListening = true
+    }
+
+    /**
+     * Stops receiving location updates from device GPS.
+     * Should be called when the session is destroyed to prevent memory leaks.
+     */
+    fun stopLocationUpdates() {
+        if (!isListening) return
+
+        locationManager.removeUpdates(locationListener)
+        isListening = false
+    }
+
+    /**
+     * Checks if location updates are currently active.
+     */
+    fun isListeningForUpdates(): Boolean = isListening
+}

common/car/src/main/java/com/kouros/navigation/car/NavigationCarAppService.kt

@@ -35,7 +35,8 @@ class NavigationCarAppService : CarAppService() {
             return ClusterSession()
         } else {
             createNotificationChannel()
-            return NavigationSession()
+            //return NavigationSession()
+            return NavigationServiceSession()
         }
     }
 

common/car/src/main/java/com/kouros/navigation/car/NavigationServiceSession.kt

@@ -0,0 +1,724 @@
+package com.kouros.navigation.car
+
+import android.Manifest.permission
+import android.content.ComponentName
+import android.content.Context
+import android.content.Intent
+import android.content.ServiceConnection
+import android.content.pm.PackageManager
+import android.location.Location
+import android.os.IBinder
+import android.util.Log
+import androidx.annotation.RequiresPermission
+import androidx.car.app.CarContext
+import androidx.car.app.Screen
+import androidx.car.app.ScreenManager
+import androidx.car.app.connection.CarConnection
+import androidx.car.app.model.CarColor
+import androidx.car.app.model.CarIcon
+import androidx.car.app.model.Distance
+import androidx.car.app.navigation.model.Destination
+import androidx.car.app.navigation.model.Step
+import androidx.car.app.navigation.model.TravelEstimate
+import androidx.car.app.navigation.model.Trip
+import androidx.lifecycle.DefaultLifecycleObserver
+import androidx.lifecycle.LifecycleObserver
+import androidx.lifecycle.LifecycleOwner
+import androidx.lifecycle.Observer
+import androidx.lifecycle.ViewModelStore
+import androidx.lifecycle.ViewModelStoreOwner
+import androidx.lifecycle.asLiveData
+import androidx.lifecycle.lifecycleScope
+import com.kouros.navigation.car.navigation.NavigationService
+import com.kouros.navigation.car.screen.NavigationListener
+import com.kouros.navigation.car.screen.NavigationScreen
+import com.kouros.navigation.car.screen.NavigationType
+import com.kouros.navigation.car.screen.RequestPermissionScreen
+import com.kouros.navigation.car.screen.SearchScreen
+import com.kouros.navigation.car.screen.checkPermission
+import com.kouros.navigation.car.screen.observers.NavigationObserverCallback
+import com.kouros.navigation.car.screen.observers.NavigationObserverManager
+import com.kouros.navigation.data.Constants.AUTOMOTIVE_CAR_SPEED_PERMISSION
+import com.kouros.navigation.data.Constants.GMS_CAR_SPEED_PERMISSION
+import com.kouros.navigation.data.Constants.TAG
+import com.kouros.navigation.data.Constants.TRAFFIC_UPDATE
+import com.kouros.navigation.data.Constants.homeHohenwaldeck
+import com.kouros.navigation.data.Place
+import com.kouros.navigation.data.RouteEngine
+import com.kouros.navigation.data.ViewStyle
+import com.kouros.navigation.data.osrm.OsrmRepository
+import com.kouros.navigation.data.overpass.Elements
+import com.kouros.navigation.data.tomtom.TomTomRepository
+import com.kouros.navigation.data.valhalla.ValhallaRepository
+import com.kouros.navigation.model.NavigationViewModel
+import com.kouros.navigation.model.SettingsViewModel
+import com.kouros.navigation.repository.SettingsRepository
+import com.kouros.navigation.utils.GeoUtils
+import com.kouros.navigation.utils.NavigationUtils.getViewModel
+import com.kouros.navigation.utils.getSettingsRepository
+import com.kouros.navigation.utils.getSettingsViewModel
+import com.kouros.navigation.utils.location
+import kotlinx.coroutines.awaitCancellation
+import kotlinx.coroutines.launch
+import java.time.Duration
+import java.time.LocalDateTime
+import java.time.ZoneOffset
+import kotlin.math.absoluteValue
+
+
+/**
+ * Main session for Android Auto/Automotive OS navigation.
+ * Manages the lifecycle of the navigation session, including location updates,
+ * car hardware sensors, routing engine selection, and screen navigation.
+ * Implements NavigationScreen.Listener for handling navigation events.
+ */
+class NavigationServiceSession : CarSession(), NavigationListener, NavigationObserverCallback {
+
+    // Flag to enable/disable contact access feature
+    val useContacts = false
+
+    var route = ""
+
+    // Main navigation screen displayed to the user
+    lateinit var navigationScreen: NavigationScreen
+
+    // Handles map surface rendering on the car display
+    lateinit var surfaceRenderer: SurfaceRenderer
+
+    // Manages car hardware sensors (location, compass, speed)
+    lateinit var carSensorManager: CarSensorManager
+
+    var initialLocation = true;
+
+    lateinit var textToSpeechManager: TextToSpeechManager
+
+    lateinit var notificationManager: NotificationManager
+
+    private var routingEngine = 0
+
+    private var showTraffic = false;
+
+    private var distanceMode = 0
+    var lastCameraSearch = 0
+
+    var speedCameras = listOf<Elements>()
+
+    var recentPlaces = mutableListOf<Place>()
+
+    var lastRouteDate: LocalDateTime = LocalDateTime.now()
+
+    var destination = Place()
+    var notificationActive = false
+
+    var navigationService: NavigationService? = null
+
+    val serviceListener: NavigationService.Listener = object : NavigationService.Listener {
+
+        override fun navigationStateChanged(
+            isNavigating: Boolean,
+            isRerouting: Boolean,
+            hasArrived: Boolean,
+            destinations: MutableList<Destination>,
+            steps: MutableList<Step>,
+            destinationTravelEstimate: TravelEstimate,
+            stepTravelEstimate: TravelEstimate,
+            stepRemainingDistance: Distance,
+            shouldShowNextStep: Boolean,
+            shouldShowLanes: Boolean,
+            junctionImage: CarIcon?,
+            backGroundColor: CarColor
+        ) {
+
+            navigationScreen.updateTrip(
+                isNavigating = isNavigating,
+                isRerouting = isRerouting,
+                hasArrived = hasArrived,
+                destinationTravelEstimate = destinationTravelEstimate,
+                stepTravelEstimate = stepTravelEstimate,
+                destinations = destinations,
+                steps = steps,
+                stepRemainingDistance = stepRemainingDistance,
+                shouldShowNextStep = shouldShowNextStep,
+                shouldShowLanes = shouldShowLanes,
+                junctionImage = junctionImage,
+                backGroundColor = backGroundColor
+            )
+        }
+
+        override fun updateServiceLocation(location: Location) {
+            if (initialLocation) {
+                navigationViewModel.loadRecentPlaces(
+                    carContext,
+                    location,
+                    surfaceRenderer.carOrientation,
+                )
+                initialLocation = false
+            }
+            updateLocation(location)
+        }
+    }
+
+    // Monitors the state of the connection to the Navigation service.
+    val serviceConnection: ServiceConnection = object : ServiceConnection {
+        @RequiresPermission(allOf = [permission.ACCESS_FINE_LOCATION, permission.ACCESS_COARSE_LOCATION])
+        override fun onServiceConnected(name: ComponentName?, service: IBinder?) {
+            Log.d("NavigationService", "In onServiceConnected() Session component:$service")
+            val binder: NavigationService.LocalBinder = service as NavigationService.LocalBinder
+            navigationService = binder.service
+            navigationService!!.setCarContext(carContext, serviceListener)
+        }
+
+        override fun onServiceDisconnected(name: ComponentName?) {
+            Log.d("NavigationService", "In onServiceDisconnected() Session component: $name")
+            // Unhook map models here
+            navigationService!!.clearCarContext()
+            navigationService = null
+        }
+    }
+
+    /**
+     * Lifecycle observer for managing session lifecycle events.
+     * Cleans up resources when the session is destroyed.
+     */
+    private val lifecycleObserver: LifecycleObserver = object : DefaultLifecycleObserver {
+
+        override fun onStart(owner: LifecycleOwner) {
+            Log.i(TAG, "In onStart() Session")
+            carContext
+                .bindService(
+                    Intent(carContext, NavigationService::class.java),
+                    serviceConnection,
+                    Context.BIND_AUTO_CREATE
+                )
+        }
+
+        override fun onPause(owner: LifecycleOwner) {
+            Log.d(TAG, "NavigationSession paused")
+            super.onPause(owner)
+        }
+
+        override fun onResume(owner: LifecycleOwner) {
+            Log.d(TAG, "NavigationSession resumed")
+            super.onResume(owner)
+        }
+
+        override fun onStop(owner: LifecycleOwner) {
+            Log.i(TAG, "In onStop()")
+            carContext.unbindService(serviceConnection)
+            navigationService = null
+        }
+
+        override fun onDestroy(owner: LifecycleOwner) {
+            if (::carSensorManager.isInitialized) {
+                carSensorManager.cleanup()
+            }
+
+            if (::textToSpeechManager.isInitialized) {
+                textToSpeechManager.cleanup()
+            }
+            carContext
+                .stopService(
+                    Intent(
+                        carContext,
+                        NavigationNotificationService::class.java
+                    )
+                )
+            Log.i(TAG, "NavigationSession destroyed")
+        }
+    }
+
+    // ViewModel for navigation data and business logic
+    lateinit var navigationViewModel: NavigationViewModel
+
+    // Store for ViewModels to survive configuration changes
+    lateinit var viewModelStoreOwner: ViewModelStoreOwner
+
+    var lastStepIndex = -1
+
+    var guidanceAudio = 0
+
+    var lastTrafficDate: LocalDateTime = LocalDateTime.MIN
+    lateinit var observerManager: NavigationObserverManager
+
+    lateinit var repository: SettingsRepository
+
+    lateinit var settingsViewModel: SettingsViewModel
+
+    var carConnection: Int = 0
+
+    init {
+        lifecycle.addObserver(lifecycleObserver)
+    }
+
+    /**
+     * Called when routing engine preference changes.
+     * Creates appropriate repository based on user selection.
+     */
+    fun onRoutingEngineStateUpdated(routeEngine: Int) {
+        Log.d(TAG, "onRoutingEngineStateUpdated $routeEngine")
+        if (!::navigationViewModel.isInitialized || routeEngine != routingEngine) {
+            navigationViewModel = when (routeEngine) {
+                RouteEngine.VALHALLA.ordinal -> NavigationViewModel(ValhallaRepository())
+                RouteEngine.OSRM.ordinal -> NavigationViewModel(OsrmRepository())
+                else -> NavigationViewModel(TomTomRepository())
+            }
+            observerManager = NavigationObserverManager(navigationViewModel, this)
+            observerManager.attachAllObservers(this)
+        }
+    }
+
+    /**
+     * Called when location permission is granted.
+     * Initializes car hardware sensors if available.
+     */
+    fun onPermissionGranted(permission: Boolean) {
+        if (::carSensorManager.isInitialized && permission) {
+            carSensorManager.updateConnectionState(carConnection)
+        }
+    }
+
+    /**
+     * Called when car connection state changes.
+     * Handles different connection types: Not Connected, Automotive OS Native, Android Auto Projection.
+     * Requests appropriate car speed permissions based on connection type.
+     */
+    fun onConnectionStateUpdated(connectionState: Int) {
+        carConnection = connectionState
+        when (connectionState) {
+            CarConnection.CONNECTION_TYPE_NOT_CONNECTED -> Unit
+            CarConnection.CONNECTION_TYPE_NATIVE -> {
+                navigationViewModel.permissionGranted.value =
+                    checkPermission(carContext, AUTOMOTIVE_CAR_SPEED_PERMISSION)
+            }
+
+            CarConnection.CONNECTION_TYPE_PROJECTION -> {
+                navigationViewModel.permissionGranted.value =
+                    checkPermission(carContext, GMS_CAR_SPEED_PERMISSION)
+            }
+        }
+    }
+
+    /**
+     * Creates the initial screen for the session.
+     * Sets up ViewModel store, initializes settings, components, checks permissions,
+     * and returns appropriate starting screen.
+     */
+    override fun onCreateScreen(intent: Intent): Screen {
+        initializeSettings()
+        setupViewModelStore()
+        initializeManagers()
+        initializeViewModels()
+        initializeScreen()
+        return checkPermissionsAndGetScreen()
+    }
+
+    /*
+    * Initializes the settings repository and ViewModel.
+     */
+    private fun initializeSettings() {
+        repository = getSettingsRepository(carContext)
+        settingsViewModel = getSettingsViewModel(carContext)
+
+        repository.routingEngineFlow.asLiveData().observe(this, Observer {
+            onRoutingEngineStateUpdated(it)
+            routingEngine = it
+        })
+
+        repository.trafficFlow.asLiveData().observe(this, Observer {
+            showTraffic = it
+        })
+        repository.distanceModeFlow.asLiveData().observe(this, Observer {
+            distanceMode = it
+        })
+    }
+
+    /**
+     * Sets up ViewModelStoreOwner and manages its lifecycle.
+     */
+    private fun setupViewModelStore() {
+        viewModelStoreOwner = object : ViewModelStoreOwner {
+            override val viewModelStore = ViewModelStore()
+        }
+
+        lifecycleScope.launch {
+            try {
+                awaitCancellation()
+            } finally {
+                viewModelStoreOwner.viewModelStore.clear()
+            }
+        }
+    }
+
+    /**
+     * Initializes ViewModels and observes their state changes.
+     */
+    private fun initializeViewModels() {
+        navigationViewModel = getViewModel(carContext)
+        navigationViewModel.routingEngine.observe(this, ::onRoutingEngineStateUpdated)
+        navigationViewModel.permissionGranted.observe(this, ::onPermissionGranted)
+
+        CarConnection(carContext).type.observe(this, ::onConnectionStateUpdated)
+    }
+
+    /**
+     * Initializes managers for rendering, sensors, and location.
+     */
+    private fun initializeManagers() {
+        surfaceRenderer = SurfaceRenderer(carContext, lifecycle, viewModelStoreOwner, this)
+
+        carSensorManager = CarSensorManager(
+            carContext = carContext,
+            lifecycleOwner = this,
+            onLocationUpdate = ::updateLocation,
+            onCompassUpdate = { orientation -> surfaceRenderer.carOrientation = orientation },
+            onSpeedUpdate = { speed -> surfaceRenderer.updateCarSpeed(speed) }
+        )
+
+        textToSpeechManager = TextToSpeechManager(carContext)
+        repository.guidanceAudioFlow.asLiveData().observe(this, Observer {
+            guidanceAudio = it
+        })
+        notificationManager = NotificationManager(carContext, this)
+    }
+
+    /**
+     * Creates the main navigation screen.
+     */
+    private fun initializeScreen() {
+        navigationScreen = NavigationScreen(
+            carContext,
+            surfaceRenderer,
+            this,
+            navigationViewModel
+        )
+    }
+
+    /**
+     * Checks required permissions and returns appropriate screen.
+     * Shows permission request screen if needed, otherwise starts location updates.
+     */
+    private fun checkPermissionsAndGetScreen(): Screen {
+        val hasLocationPermission =
+            carContext.checkSelfPermission(permission.ACCESS_FINE_LOCATION) ==
+                    PackageManager.PERMISSION_GRANTED
+        val hasContactsPermission = !useContacts ||
+                carContext.checkSelfPermission(permission.READ_CONTACTS) == PackageManager.PERMISSION_GRANTED
+
+        return if (hasLocationPermission && hasContactsPermission) {
+            navigationScreen
+        } else {
+            showPermissionScreen()
+        }
+    }
+
+    /**
+     * Shows the permission request screen.
+     */
+    private fun showPermissionScreen(): Screen {
+        val screenManager = carContext.getCarService(ScreenManager::class.java)
+        screenManager.push(navigationScreen)
+        return RequestPermissionScreen(
+            carContext,
+            listOf(
+                permission.ACCESS_COARSE_LOCATION,
+                permission.ACCESS_FINE_LOCATION,
+            ),
+            permissionCheckCallback = { screenManager.pop() }
+        )
+    }
+
+
+    /**
+     * Handles new intents, primarily for navigation deep links from other apps.
+     * Supports ACTION_NAVIGATE for starting navigation to a specific location.
+     */
+    override fun onNewIntent(intent: Intent) {
+        val screenManager = carContext.getCarService(ScreenManager::class.java)
+
+        // Handle Android Auto ACTION_NAVIGATE intent
+        if (CarContext.ACTION_NAVIGATE == intent.action) {
+            handleNavigateIntent(screenManager)
+            return
+        }
+
+        // Handle custom deep links
+        handleDeepLink(intent, screenManager)
+    }
+
+    /**
+     * Handles ACTION_NAVIGATE intent by showing search screen.
+     */
+    private fun handleNavigateIntent(screenManager: ScreenManager) {
+        screenManager.popToRoot()
+        screenManager.pushForResult(
+            SearchScreen(carContext, surfaceRenderer, navigationViewModel, recentPlaces)
+        ) { result ->
+            // Handle search result if needed
+        }
+    }
+
+    /**
+     * Handles custom deep link URIs.
+     */
+    private fun handleDeepLink(intent: Intent, screenManager: ScreenManager) {
+        val uri = intent.data ?: return
+        if (uri.scheme != uriScheme || uri.schemeSpecificPart != uriHost) return
+
+        when (uri.fragment) {
+            "DEEP_LINK_ACTION" -> {
+                if (screenManager.getTop() !is NavigationScreen) {
+                    screenManager.popToRoot()
+                }
+            }
+        }
+    }
+
+    /**
+     * Updates navigation state with new location.
+     * Handles route snapping, deviation detection for rerouting, and map updates.
+     */
+    fun updateLocation(location: Location) {
+
+        if (carConnection == CarConnection.CONNECTION_TYPE_PROJECTION) {
+            surfaceRenderer.updateCarSpeed(location.speed)
+        }
+        updateBearing(location)
+        checkTraffic(LocalDateTime.now(ZoneOffset.UTC), location)
+        surfaceRenderer.updateLocation(location, "")
+    }
+
+    /**
+     * Updates route bearing if location has bearing information.
+     */
+    private fun updateBearing(location: Location) {
+        if (location.hasBearing()) {
+            //routeModel.navState = routeModel.navState.copy(routeBearing = location.bearing)
+        }
+    }
+
+    /**
+     * Start navigation process.
+     * Called when user starts navigation
+     */
+    override fun startNavigation() {
+        Log.d(TAG, "startNavigation")
+        navigationService!!.startNavigation(route, destination)
+        if (notificationActive)
+            notificationManager.startNotificationService()
+    }
+
+    /**
+     * Stops active navigation and clears route state.
+     * Called when user exits navigation or arrives at destination.
+     */
+    override fun stopNavigation() {
+        Log.d(TAG, "stopNavigation")
+        navigationService!!.stopNavigation()
+        surfaceRenderer.navigation = false
+        surfaceRenderer.routeData.value = ""
+        lastCameraSearch = 0
+        surfaceRenderer.viewStyle = ViewStyle.VIEW
+        navigationScreen.navigationType = NavigationType.VIEW
+        if (notificationActive)
+            notificationManager.stopNotificationService()
+        Log.d(TAG, "end stopNavigation")
+    }
+
+    override fun updateTrip(trip: Trip) {
+
+    }
+
+    /**
+     * Recalculates a route for the specified place.
+     */
+    override fun recalcRoute(destination: Place) {
+        val destination = location(destination.longitude, destination.latitude)
+        navigationViewModel.loadRoute(
+            carContext,
+            surfaceRenderer.lastLocation,
+            listOf(destination),
+            surfaceRenderer.carOrientation
+        )
+    }
+
+
+    /**
+     * Handles the received route string.
+     * Starts navigation and invalidates the screen.
+     */
+    override fun onRouteReceived(route: String) {
+        Log.d(TAG, "onRouteReceived")
+        if (route.isNotEmpty()) {
+            prepareRoute(route)
+        }
+    }
+
+    override fun isNavigating(): Boolean {
+        return navigationService!!.isNavigating()
+    }
+
+    /**
+     * Prepare route and start navigation
+     */
+    private fun prepareRoute(route: String) {
+        this.route = route
+        startNavigation()
+        surfaceRenderer.setRouteData(navigationService!!.routeModel.curRoute.routeGeoJson)
+    }
+
+    /**
+     * Handles received traffic data and updates the surface renderer.
+     */
+    override fun onTrafficReceived(traffic: Map<String, String>) {
+        if (traffic.isNotEmpty()) {
+            surfaceRenderer.setTrafficData(traffic)
+        }
+    }
+
+    /**
+     * Handles the received place search result.
+     * Navigates to the specified place.
+     */
+    override fun onPlaceSearchResultReceived(place: Place) {
+        navigateToPlace(place)
+    }
+
+    /**
+     * Handles received speed camera data.
+     * Updates the surface renderer with the camera locations.
+     */
+    override fun onSpeedCamerasReceived(cameras: List<Elements>) {
+        speedCameras = cameras
+        val coordinates = mutableListOf<List<Double>>()
+        cameras.forEach {
+            coordinates.add(listOf(it.lon, it.lat))
+        }
+        val speedData = GeoUtils.createPointCollection(coordinates, "radar")
+        surfaceRenderer.speedCameraData.value = speedData
+    }
+
+    /**
+     * Handles received maximum speed data and updates the surface renderer.
+     */
+    override fun onMaxSpeedReceived(speed: Int) {
+        surfaceRenderer.maxSpeed.value = speed
+    }
+
+    override fun onRecentPlacesReceived(places: List<Place>) {
+        Log.d(TAG, "onRecentPlacesReceived ${places.size}")
+        recentPlaces = places.toMutableList()
+        navigationScreen.recentPlaces = places.toMutableList()
+        navigationScreen.invalidate()
+
+    }
+
+    override fun invalidateScreen() {
+        navigationScreen.invalidate()
+    }
+
+    /**
+     * Loads a route to the specified place and sets it as the destination.
+     */
+    override fun navigateToPlace(place: Place) {
+        Log.d(TAG, "navigateToPlace ${place.street}")
+        var prevDestination = Place()
+        if (surfaceRenderer.navigation) {
+            prevDestination = place
+            stopNavigation()
+        }
+        val preview = place.route
+        navigationViewModel.previewRoute.value = ""
+        val location = if (place.stopOver && prevDestination.latitude != 0.0) {
+            listOf(
+                location(place.longitude, place.latitude),
+                location(prevDestination.longitude, prevDestination.latitude)
+            )
+        } else {
+            listOf(location(place.longitude, place.latitude))
+        }
+
+        navigationViewModel.saveRecent(carContext, place)
+        destination = place
+        // routeModel.navState = routeModel.navState.copy(destination = place)
+        if (preview.isEmpty()) {
+            navigationViewModel.loadRoute(
+                carContext,
+                surfaceRenderer.lastLocation,
+                location,
+                surfaceRenderer.carOrientation
+            )
+        } else {
+            //routeModel.navState = routeModel.navState.copy(currentRouteIndex = place.routeIndex)
+            onRouteReceived(preview)
+        }
+        surfaceRenderer.activateNavigationView()
+    }
+
+    /**
+     * Checks if traffic data needs to be updated based on the time since the last update.
+     */
+    fun checkTraffic(current: LocalDateTime, location: Location) {
+        val duration = Duration.between(current, lastTrafficDate)
+        if (showTraffic && duration.abs().seconds > TRAFFIC_UPDATE) {
+            lastTrafficDate = current
+            navigationViewModel.loadTraffic(carContext, location, surfaceRenderer.carOrientation)
+        }
+    }
+
+    /**
+     * Periodically requests speed camera information near the current location.
+     */
+    private fun updateSpeedCamera(location: Location) {
+        if (lastCameraSearch++ % 100 == 0) {
+            navigationViewModel.getSpeedCameras(location, 5.0)
+        }
+        if (speedCameras.isNotEmpty()) {
+            updateDistance(location)
+        }
+    }
+
+    /**
+     * Updates distances to nearby speed cameras and checks for proximity alerts.
+     */
+    private fun updateDistance(
+        location: Location,
+    ) {
+        val updatedCameras = mutableListOf<Elements>()
+        speedCameras.forEach {
+            val plLocation =
+                location(longitude = it.lon, latitude = it.lat)
+            val distance = plLocation.distanceTo(location)
+            it.distance = distance.toDouble()
+            updatedCameras.add(it)
+        }
+        val sortedList = updatedCameras.sortedWith(compareBy { it.distance })
+        val camera = sortedList.firstOrNull() ?: return
+        val bearingRoute = surfaceRenderer.lastLocation.bearingTo(location)
+        val bearingSpeedCamera = if (camera.tags.direction != null) {
+            try {
+                camera.tags.direction!!.toFloat()
+            } catch (e: Exception) {
+                0F
+            }
+        } else {
+            location.bearingTo(location(camera.lon, camera.lat)).absoluteValue
+        }
+        if (camera.distance < 80) {
+            if ((bearingSpeedCamera - bearingRoute.absoluteValue).absoluteValue < 15.0) {
+                // routeModel.showSpeedCamera(carContext, camera.distance, camera.tags.maxspeed)
+            }
+        }
+    }
+
+    override fun invalidateNavigationScreen() {
+        navigationScreen.invalidate()
+    }
+
+    companion object {
+        // URI host for deep linking
+        var uriHost: String = "navigation"
+
+        // URI scheme for deep linking
+        var uriScheme: String = "samples"
+    }
+}

common/car/src/main/java/com/kouros/navigation/car/NavigationSession.kt

@@ -1,6 +1,5 @@
 package com.kouros.navigation.car
 
-import android.Manifest
 import android.Manifest.permission
 import android.content.Intent
 import android.content.pm.PackageManager
@@ -10,7 +9,6 @@ import androidx.car.app.CarContext
 import androidx.car.app.CarToast
 import androidx.car.app.Screen
 import androidx.car.app.ScreenManager
-import androidx.car.app.Session
 import androidx.car.app.connection.CarConnection
 import androidx.car.app.model.Distance
 import androidx.car.app.navigation.NavigationManager
@@ -68,7 +66,6 @@ import kotlinx.coroutines.launch
 import java.time.Duration
 import java.time.LocalDateTime
 import java.time.ZoneOffset
-import kotlin.collections.listOf
 import kotlin.math.absoluteValue
 
 
@@ -755,6 +752,9 @@ class NavigationSession : CarSession(), NavigationListener, NavigationObserverCa
         surfaceRenderer.maxSpeed.value = speed
     }
 
+    override fun onRecentPlacesReceived(places: List<Place>) {
+    }
+
     override fun invalidateScreen() {
         navigationScreen.invalidate()
     }

common/car/src/main/java/com/kouros/navigation/car/SurfaceRenderer.kt

@@ -372,6 +372,7 @@ class SurfaceRenderer(
      * Uses car orientation sensor if available, otherwise falls back to location bearing.
      */
     fun updateLocation(location: Location, streetName: String) {
+        Log.d(TAG, "updateLocation Surface $location $streetName")
         synchronized(this) {
             street.value = streetName
             if (viewStyle == ViewStyle.VIEW || viewStyle == ViewStyle.PAN_VIEW) {

common/car/src/main/java/com/kouros/navigation/car/navigation/NavigationService.kt

@@ -0,0 +1,349 @@
+package com.kouros.navigation.car.navigation
+
+import android.Manifest
+import android.app.NotificationChannel
+import android.app.NotificationManager
+import android.app.Service
+import android.content.Intent
+import android.location.Location
+import android.location.LocationManager
+import android.os.Binder
+import android.os.IBinder
+import android.text.TextUtils
+import android.util.Log
+import androidx.annotation.RequiresPermission
+import androidx.car.app.CarContext
+import androidx.car.app.CarToast
+import androidx.car.app.model.CarColor
+import androidx.car.app.model.CarIcon
+import androidx.car.app.model.Distance
+import androidx.car.app.model.Distance.UNIT_METERS
+import androidx.car.app.navigation.NavigationManager
+import androidx.car.app.navigation.NavigationManagerCallback
+import androidx.car.app.navigation.model.Destination
+import androidx.car.app.navigation.model.Step
+import androidx.car.app.navigation.model.TravelEstimate
+import androidx.car.app.navigation.model.Trip
+import androidx.lifecycle.Observer
+import androidx.lifecycle.asLiveData
+import com.kouros.navigation.car.DeviceLocationManagerService
+import com.kouros.navigation.car.screen.NavigationType
+import com.kouros.navigation.data.Constants.DESTINATION_ARRIVAL_DISTANCE
+import com.kouros.navigation.data.Constants.MAXIMAL_ROUTE_DEVIATION
+import com.kouros.navigation.data.Constants.MAXIMAL_SNAP_CORRECTION
+import com.kouros.navigation.data.Place
+import com.kouros.navigation.model.NavigationViewModel
+import com.kouros.navigation.model.SettingsViewModel
+import com.kouros.navigation.repository.SettingsRepository
+import com.kouros.navigation.utils.GeoUtils.snapLocation
+import com.kouros.navigation.utils.NavigationUtils.getViewModel
+import com.kouros.navigation.utils.formattedDistance
+import com.kouros.navigation.utils.getSettingsRepository
+import com.kouros.navigation.utils.getSettingsViewModel
+import com.kouros.navigation.utils.location
+import kotlin.collections.copy
+import kotlin.compareTo
+
+
+class NavigationService : Service() {
+
+    val TAG: String = "NavigationService"
+
+    val DEEP_LINK_ACTION: String = ("com.kouros.navigation.car.navigation"
+            + ".NavigationDeepLinkAction")
+
+    val channelId: String = "NavigationServiceChannel"
+
+    /** The identifier for the navigation notification displayed for the foreground service.  */
+
+    val NAV_NOTIFICATION_ID: Int = 87356325
+
+    /** The identifier for the non-navigation notifications, such as a traffic accident warning.  */
+
+    val NOTIFICATION_ID: Int = 71653346
+
+    // Constants for location broadcast
+    val PACKAGE_NAME: String =
+        "androidx.car.app.sample.navigation.common.nav.navigationservice"
+
+    val EXTRA_STARTED_FROM_NOTIFICATION: String = PACKAGE_NAME + ".started_from_notification"
+
+    val CANCEL_ACTION: String = "CANCEL"
+
+    private var notificationManager: NotificationManager? = null
+    private var carContext: CarContext? = null
+
+    var autoDriveEnabled = false
+
+    val simulation = Simulation()
+
+    private lateinit var listener: Listener
+
+    // Model for managing route state and navigation logic for Android Auto
+    var routeModel = RouteCarModel()
+
+    // Manages device GPS location updates
+    lateinit var deviceLocationManager: DeviceLocationManagerService
+
+    var currentLocation = location(0.0, 0.0)
+
+    lateinit var navigationViewModel: NavigationViewModel
+
+    private lateinit var navigationManager: NavigationManager
+    private var navigationManagerInitialized = false
+    var binder: IBinder = LocalBinder()
+
+
+    /** A listener for the navigation state changes.  */
+    interface Listener {
+        /** Callback called when the navigation state changes.  */
+        fun navigationStateChanged(
+            isNavigating: Boolean,
+            isRerouting: Boolean,
+            hasArrived: Boolean,
+            destinations: MutableList<Destination>,
+            steps: MutableList<Step>,
+            destinationTravelEstimate: TravelEstimate,
+            stepTravelEstimate: TravelEstimate,
+            stepRemainingDistance: Distance,
+            shouldShowNextStep: Boolean,
+            shouldShowLanes: Boolean,
+            junctionImage: CarIcon?,
+            backGroundColor: CarColor
+        )
+
+        fun updateServiceLocation(location: Location)
+
+    }
+
+    /**
+     * Class used for the client Binder. Since this service runs in the same process as its clients,
+     * we don't need to deal with IPC.
+     */
+    inner class LocalBinder : Binder() {
+        val service: NavigationService
+            get() = this@NavigationService
+    }
+
+    override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
+
+        return START_STICKY
+    }
+
+    override fun onCreate() {
+        Log.i(TAG, "In onCreate()");
+        createNotificationChannel();
+    }
+
+    override fun onBind(p0: Intent?): IBinder {
+        Log.d(TAG, "in onBind")
+        return binder
+    }
+
+    override fun onUnbind(intent: Intent): Boolean {
+        Log.d(TAG, "in UnBind")
+        if (!routeModel.isNavigating()) {
+            Log.d(TAG, "Stopping location updates")
+            if (::deviceLocationManager.isInitialized) {
+                deviceLocationManager.stopLocationUpdates()
+            }
+        }
+        return true
+    }
+
+    override fun onDestroy() {
+        if (::deviceLocationManager.isInitialized) {
+            deviceLocationManager.stopLocationUpdates()
+        }
+        Log.i(TAG, "In onDestroy()");
+    }
+
+    private fun createNotificationChannel() {
+        val serviceChannel = NotificationChannel(
+            "CHANNEL_ID",
+            "Location Service Channel",
+            NotificationManager.IMPORTANCE_HIGH
+        )
+        val manager = getSystemService(NotificationManager::class.java)
+        manager.createNotificationChannel(serviceChannel)
+    }
+
+
+    /** Sets the [CarContext] to use while the service is connected.  */
+    @RequiresPermission(allOf = [Manifest.permission.ACCESS_FINE_LOCATION, Manifest.permission.ACCESS_COARSE_LOCATION])
+    fun setCarContext(
+        carContext: CarContext,
+        listener: Listener
+    ) {
+        Log.d(TAG, "in setCarContext")
+        this.carContext = carContext
+        navigationViewModel = getViewModel(carContext)
+        this.listener = listener
+        deviceLocationManager = DeviceLocationManagerService(
+            carContext = carContext,
+            onLocationUpdate = ::updateLocation,
+            onInitialLocation = { location ->
+                updateLocation(location)
+            }
+        )
+
+        deviceLocationManager.startLocationUpdates()
+
+        navigationManagerInitialized = true
+        navigationManager =
+            carContext.getCarService(NavigationManager::class.java)
+        navigationManager.setNavigationManagerCallback(object : NavigationManagerCallback {
+            override fun onAutoDriveEnabled() {
+                Log.d(TAG, "onAutoDriveEnabled")
+                // Called when the app should simulate navigation (e.g., for testing)
+                deviceLocationManager.stopLocationUpdates()
+                autoDriveEnabled = true
+                simulation()
+                CarToast.makeText(carContext, "Auto drive enabled", CarToast.LENGTH_LONG)
+                    .show()
+            }
+
+            private fun simulation() {
+                simulation.gpxSimulation {
+                    listener.updateServiceLocation(it)
+                }
+            }
+
+            override fun onStopNavigation() {
+                // Called when the user stops navigation in the car screen
+                // Stop turn-by-turn logic and clean up
+                stopNavigation()
+                if (autoDriveEnabled) {
+                    deviceLocationManager.startLocationUpdates()
+                }
+            }
+        })
+        // Uncomment if navigating
+        // mNavigationManager.navigationStarted();
+    }
+
+    /** Clears the currently used {@link CarContext}. */
+    fun clearCarContext() {
+        Log.i(TAG, "clearContext");
+        carContext = null;
+        navigationManager.clearNavigationManagerCallback();
+    }
+
+    /** Starts navigation. */
+    fun startNavigation(route: String, destination: Place) {
+        Log.i(TAG, "Starting Navigation")
+        startService(Intent(applicationContext, NavigationService::class.java))
+        routeModel.navState = routeModel.navState.copy(destination = destination)
+        routeModel.navState = routeModel.navState.copy(routingEngine = 2)
+        routeModel.startNavigation(route)
+        if (routeModel.isNavigating()) {
+            routeModel.updateLocation(currentLocation, navigationViewModel)
+            listener.navigationStateChanged(
+                isNavigating = true,
+                isRerouting = false,
+                hasArrived = false,
+                destinations = mutableListOf(routeModel.getDestination()),
+                destinationTravelEstimate = routeModel.getTravelEstimateTrip(carContext!!),
+                stepTravelEstimate = routeModel.getTravelEstimateStep(carContext!!),
+                steps = routeModel.getSteps(carContext!!),
+                stepRemainingDistance = routeModel.getDistance(),
+                shouldShowNextStep = false,
+                shouldShowLanes = false,
+                junctionImage = null,
+                backGroundColor = routeModel.backGroundColor()
+            )
+        }
+    }
+
+
+    /** Starts navigation. */
+    fun stopNavigation() {
+        if (autoDriveEnabled) {
+            autoDriveEnabled = false
+        }
+        if (navigationManagerInitialized)
+            navigationManager.navigationEnded()
+        listener.navigationStateChanged(
+            isNavigating = false,
+            isRerouting = false,
+            hasArrived = false,
+            destinations = emptyList<Destination>().toMutableList(),
+            steps = emptyList<Step>().toMutableList(),
+            destinationTravelEstimate = routeModel.travelEstimate(carContext!!, 0.0, 0),
+            stepTravelEstimate = routeModel.travelEstimate(carContext!!, 0.0, 0),
+            stepRemainingDistance = Distance.create(0.0, UNIT_METERS),
+            shouldShowNextStep = false,
+            shouldShowLanes = false,
+            junctionImage = null,
+            backGroundColor = CarColor.BLUE
+        )
+        stopForeground(STOP_FOREGROUND_REMOVE)
+        stopSelf()
+    }
+
+    fun updateLocation(location: Location) {
+        Log.d(TAG, "updateLocation")
+        currentLocation = location
+        if (routeModel.isNavigating()) {
+            routeModel.updateLocation(location, navigationViewModel)
+            val snappedLocation = snapLocation(location, routeModel.route.maneuverLocations())
+            listener.updateServiceLocation(snappedLocation)
+            checkArrival()
+            updateNavigationScreen( 0)
+        } else {
+            listener.updateServiceLocation(location)
+        }
+    }
+
+    fun isNavigating(): Boolean {
+        return routeModel.isNavigating()
+    }
+
+    fun updateNavigationScreen(distanceMode: Int) {
+        if (routeModel.isNavigating() && routeModel.navState.destination.name.isEmpty()
+            && routeModel.navState.destination.street.isEmpty()
+        ) {
+            return
+        }
+        listener.navigationStateChanged(
+            isNavigating = routeModel.isNavigating(),
+            isRerouting = false,
+            hasArrived = routeModel.isArrival(),
+            destinations = mutableListOf(routeModel.getDestination()),
+            destinationTravelEstimate = routeModel.getTravelEstimateTrip(carContext!!),
+            stepTravelEstimate = routeModel.getTravelEstimateStep(carContext!!),
+            steps = routeModel.getSteps(carContext!!),
+            stepRemainingDistance = routeModel.getDistance(),
+            shouldShowNextStep = false,
+            shouldShowLanes = false,
+            junctionImage = null,
+            backGroundColor =  routeModel.backGroundColor()
+        )
+
+        /**
+         * Updates the trip information and notifies the listener with a new Trip object.
+         * This includes destination name, address, travel estimate, and loading status.
+         */
+        val tripBuilder = Trip.Builder()
+        tripBuilder.addDestination(
+            routeModel.getDestination(),
+            routeModel.getTravelEstimateTrip(carContext!!)
+        )
+        tripBuilder.setLoading(false)
+        tripBuilder.setCurrentRoad(routeModel.getDestination().name.toString())
+        tripBuilder.addStep(routeModel.getSteps(carContext!!).first(), routeModel.getTravelEstimateStep(carContext!!))
+        navigationManager.updateTrip(tripBuilder.build())
+    }
+
+    /**
+     * Checks for arrival
+     */
+    fun checkArrival() {
+        if (routeModel.isArrival()
+            && routeModel.routeCalculator.leftStepDistance() < DESTINATION_ARRIVAL_DISTANCE
+        ) {
+            stopNavigation()
+             routeModel.navState = routeModel.navState.copy(arrived = true)
+        }
+    }
+}

common/car/src/main/java/com/kouros/navigation/car/navigation/RouteCarModel.kt

@@ -18,6 +18,7 @@ import androidx.car.app.model.DateTimeWithZone
 import androidx.car.app.model.Distance
 import androidx.car.app.model.DurationSpan
 import androidx.car.app.model.ForegroundCarColorSpan
+import androidx.car.app.navigation.model.Destination
 import androidx.car.app.navigation.model.Lane
 import androidx.car.app.navigation.model.LaneDirection
 import androidx.car.app.navigation.model.Maneuver
@@ -99,7 +100,6 @@ class RouteCarModel : RouteModel() {
     }
 
     fun travelEstimate(carContext: CarContext, timeLeft: Double, distanceMode: Int): TravelEstimate {
-
         val timeToDestinationMillis =
             TimeUnit.SECONDS.toMillis(timeLeft.toLong())
         val distance = formattedDistance(distanceMode, routeCalculator.travelLeftDistance())
@@ -134,6 +134,37 @@ class RouteCarModel : RouteModel() {
         }
         return travelBuilder.build()
     }
+
+    fun getSteps(carContext: CarContext): MutableList<Step> {
+        val steps = mutableListOf<Step>()
+        steps.add(currentStep(carContext))
+        if (navState.nextStep) {
+            steps.add(nextStep(carContext = carContext))
+        }
+        return steps
+    }
+
+    fun getDistance(): Distance {
+        val distance =
+            formattedDistance(0, routeCalculator.leftStepDistance())
+        return Distance.create(distance.first, distance.second)
+    }
+
+    fun getTravelEstimateTrip(carContext: CarContext): TravelEstimate {
+        return travelEstimateTrip(carContext, 0)
+    }
+
+    fun getTravelEstimateStep(carContext: CarContext): TravelEstimate {
+        return travelEstimateStep(carContext, 0)
+    }
+
+    fun getDestination(): Destination {
+        return  Destination.Builder()
+            .setName(navState.destination.name)
+            .setAddress(navState.destination.street)
+            .build()
+    }
+
     private fun createDelay(delay: Int): CarText {
         val delayBuilder = SpannableStringBuilder()
         delayBuilder.append(

common/car/src/main/java/com/kouros/navigation/car/navigation/Simulation.kt

@@ -3,8 +3,10 @@ package com.kouros.navigation.car.navigation
 import android.location.Location
 import android.location.LocationManager
 import android.os.SystemClock
+import android.util.Log
 import androidx.lifecycle.LifecycleCoroutineScope
 import com.kouros.data.BuildConfig
+import com.kouros.navigation.data.Constants.TAG
 import com.kouros.navigation.data.tomtom.TomTomRepository
 import io.ticofab.androidgpxparser.parser.GPXParser
 import io.ticofab.androidgpxparser.parser.domain.Gpx
@@ -27,8 +29,9 @@ class Simulation {
     ) {
         if (routeModel.navState.route.isRouteValid()) {
             if (BuildConfig.DEBUG) {
-                //gpxSimulation(routeModel, lifecycleScope, updateLocation)
+                gpxSimulation(routeModel, lifecycleScope, updateLocation)
-                currentSimulation(routeModel, lifecycleScope, updateLocation)
+                //gpxSimulation(updateLocation)
+                //currentSimulation(routeModel, lifecycleScope, updateLocation)
             } else {
                 currentSimulation(routeModel, lifecycleScope, updateLocation)
             }
@@ -66,7 +69,7 @@ class Simulation {
                     lastLocation = fakeLocation
                 }
             }
-           // routeModel.stopNavigation()
+            // routeModel.stopNavigation()
         }
     }
 
@@ -87,7 +90,7 @@ class Simulation {
             simulationJob?.join()
         }
         simulationJob?.cancel()
-        simulationJob =lifecycleScope.launch() {
+        simulationJob = lifecycleScope.launch() {
             var lastLocation = Location(LocationManager.FUSED_PROVIDER)
             var curBearing = 0f
             val parser = GPXParser()
@@ -118,7 +121,7 @@ class Simulation {
                             updateLocation(fakeLocation)
                             // Wait before moving to the next point (e.g., every 1 second)
                             if (duration > 100) {
-                             //   delay(duration / 4)
+                                //   delay(duration / 4)
                             }
                             delay(500)
                             lastTime = p.time
@@ -134,4 +137,62 @@ class Simulation {
     fun stopSimulation() {
         simulationJob?.cancel()
     }
+
+    fun gpxSimulation(
+        updateLocation: (Location) -> Unit
+    ) {
+        Runnable {
+            var route = ""
+            simulationJob?.cancel()
+            runBlocking {
+                simulationJob = launch(Dispatchers.IO) {
+                    route = TomTomRepository().fetchUrl(
+                        "https://kouros-online.de/vh.gpx",
+                        false
+                    )
+                }
+                simulationJob?.join()
+            }
+            simulationJob?.cancel()
+            var lastLocation = Location(LocationManager.FUSED_PROVIDER)
+            var curBearing = 0f
+            val parser = GPXParser()
+            val parsedGpx: Gpx? =
+                parser.parse(route.byteInputStream())
+            parsedGpx?.let {
+                val tracks = parsedGpx.tracks
+                tracks.forEach { tr ->
+                    val segments: MutableList<TrackSegment?>? = tr.trackSegments
+                    segments!!.forEach { seg ->
+                        var lastTime = DateTime.now()
+                        seg!!.trackPoints.forEach { p ->
+                            val ext = p.extensions
+                            var curSpeed = 0F
+                            if (ext != null) {
+                                curSpeed = ext.speed.toFloat()
+                            }
+                            val duration = p.time.millis - lastTime.millis
+                            val fakeLocation = Location(LocationManager.FUSED_PROVIDER).apply {
+                                latitude = p.latitude
+                                longitude = p.longitude
+                                speedAccuracyMetersPerSecond = 1.0f // ~1 m/s
+                                speed = curSpeed
+                                time = System.currentTimeMillis()
+                                elapsedRealtimeNanos = SystemClock.elapsedRealtimeNanos()
+                            }
+                            // Update your app's state as if a real GPS update occurred
+                            updateLocation(fakeLocation)
+                            // Wait before moving to the next point (e.g., every 1 second)
+                            if (duration > 100) {
+                                //   delay(duration / 4)
+                            }
+                            Thread.sleep(2000)
+                            lastTime = p.time
+                            lastLocation = fakeLocation
+                        }
+                    }
+                }
+            }
+        }.run()
+    }
 }

common/car/src/main/java/com/kouros/navigation/car/screen/NavigationScreen.kt

@@ -56,7 +56,6 @@ open class NavigationScreen(
 ) : Screen(carContext) {
 
     var recentPlaces = mutableListOf<Place>()
-
     var recentPlace: Place = Place()
     var navigationType = NavigationType.VIEW
 
@@ -85,6 +84,7 @@ open class NavigationScreen(
 
     private var showAlternativeRoute = false
     val observerRecentPlaces = Observer<List<Place>> { newPlaces ->
+        Log.d(TAG, "NavigationScreen 4")
         recentPlaces.addAll(newPlaces)
         if (newPlaces.isNotEmpty() && !tripSuggestionCalled) {
             tripSuggestionCalled = true
@@ -99,9 +99,11 @@ open class NavigationScreen(
         }
 
         repository.tripSuggestionFlow.asLiveData().observe(this, Observer {
+            Log.d(TAG, "NavigationScreen 3")
             navigationViewModel.recentPlaces.observe(this, observerRecentPlaces)
             tripSuggestion = it
         })
+
         repository.alternativeRoutesFlow.asLiveData().observe(this, Observer {
             showAlternativeRoute = it
         })
@@ -117,6 +119,7 @@ open class NavigationScreen(
      * Returns the appropriate template based on the current navigation state.
      */
     override fun onGetTemplate(): Template {
+        Log.d(TAG, "NavigationScreen 2")
         val actionStripBuilder = createActionStripBuilder({
             createAction(
                 carContext,
@@ -151,10 +154,11 @@ open class NavigationScreen(
             .setDestinationTravelEstimate(destinationTravelEstimate)
             .setActionStrip(actionStripBuilder.build())
             .setMapActionStrip(
-                mapActionStrip(carContext,
+                mapActionStrip(
+                    carContext,
                     surfaceRenderer.viewStyle,
                     { zoomPlus() }, { zoomMinus() }, {
-                         Action.Builder()
+                        Action.Builder()
                             .setIcon(createCarIcon(carContext, R.drawable.ic_recenter_24))
                             .setFlags(0)
                             .setOnClickListener {
@@ -172,17 +176,18 @@ open class NavigationScreen(
      * Creates and returns a template for the default view state.
      */
     private fun navigationView(actionStripBuilder: ActionStrip.Builder): Template {
-        val   mapActionStrip =   mapActionStrip(carContext,
+        val mapActionStrip = mapActionStrip(
-        surfaceRenderer.viewStyle,
+            carContext,
-        { zoomPlus() }, { zoomMinus() }, {
+            surfaceRenderer.viewStyle,
-            createAction(
+            { zoomPlus() }, { zoomMinus() }, {
-                carContext = carContext, R.drawable.ic_recenter_24,
+                createAction(
-                0,
+                    carContext = carContext, R.drawable.ic_recenter_24,
-                onClickAction = {
+                    0,
-                    surfaceRenderer.viewStyle = ViewStyle.VIEW
+                    onClickAction = {
-                    invalidate()
+                        surfaceRenderer.viewStyle = ViewStyle.VIEW
-                })
+                        invalidate()
-        })
+                    })
+            })
         return NavigationTemplate.Builder()
             .setBackgroundColor(backGroundColor)
             .setActionStrip(actionStripBuilder.build())
@@ -238,7 +243,8 @@ open class NavigationScreen(
             .setBackgroundColor(backGroundColor)
             .setActionStrip(actionStripBuilder.build())
             .setMapActionStrip(
-                mapActionStrip(carContext,
+                mapActionStrip(
+                    carContext,
                     surfaceRenderer.viewStyle,
                     { zoomPlus() }, { zoomMinus() }, {
                         createAction(
@@ -299,7 +305,8 @@ open class NavigationScreen(
         val builder = MapWithContentTemplate.Builder()
             .setContentTemplate(contentTemplate)
             .setActionStrip(
-                mapActionStrip(carContext,
+                mapActionStrip(
+                    carContext,
                     ViewStyle.VIEW,
                     { settingsAction() },
                     {
@@ -338,10 +345,12 @@ open class NavigationScreen(
      */
     fun getRoutingInfo(): RoutingInfo {
         val routingInfo = RoutingInfo.Builder()
-            .setCurrentStep(
+        if (steps.isNotEmpty()) {
+            routingInfo.setCurrentStep(
                 steps.first(),
                 stepRemainingDistance
             )
+        }
         if (shouldShowNextStep && steps.size > 1) {
             routingInfo.setNextStep(steps[1])
         }
@@ -489,7 +498,6 @@ open class NavigationScreen(
     }
 
 
-
     /**
      * Updates navigation state with the current location, checks for arrival, and traffic updates.
      */
@@ -519,7 +527,6 @@ open class NavigationScreen(
         this.shouldShowLanes = shouldShowLanes
         this.junctionImage = junctionImage
         this.backGroundColor = backGroundColor
-
         navigationType = NavigationType.NAVIGATION
         invalidate()
     }

common/car/src/main/java/com/kouros/navigation/car/screen/observers/NavigationObserverCallback.kt

@@ -1,7 +1,6 @@
 package com.kouros.navigation.car.screen.observers
 
 import com.kouros.navigation.data.Place
-import com.kouros.navigation.data.nominatim.SearchResult
 import com.kouros.navigation.data.overpass.Elements
 
 /**
@@ -26,6 +25,8 @@ interface NavigationObserverCallback {
     /** Called when max speed is updated */
     fun onMaxSpeedReceived(speed: Int)
 
+    fun onRecentPlacesReceived(places: List<Place>)
+
     /** Called to request UI invalidation/refresh */
     fun invalidateScreen()
 

common/car/src/main/java/com/kouros/navigation/car/screen/observers/NavigationObserverManager.kt

@@ -1,5 +1,6 @@
 package com.kouros.navigation.car.screen.observers
 
+import com.kouros.navigation.car.CarSession
 import com.kouros.navigation.car.NavigationSession
 import com.kouros.navigation.model.NavigationViewModel
 
@@ -18,12 +19,18 @@ class NavigationObserverManager(
     val speedCameraObserver = SpeedCameraObserver(callback)
     val maxSpeedObserver = MaxSpeedObserver(callback)
 
-    fun attachAllObservers(session: NavigationSession) {
+    val recentPlacesObserver = RecentPlacesObserver(callback)
+
+
+
+    fun attachAllObservers(session: CarSession) {
         viewModel.route.observe(session, routeObserver)
         viewModel.traffic.observe(session, trafficObserver)
         viewModel.placeLocation.observe(session, placeSearchObserver)
         viewModel.speedCameras.observe(session, speedCameraObserver)
         viewModel.maxSpeed.observe(session, maxSpeedObserver)
+        viewModel.recentPlaces.observe(session, recentPlacesObserver)
+
     }
 
     /**

common/car/src/main/java/com/kouros/navigation/car/screen/observers/RecentPlacesObserver.kt

@@ -0,0 +1,18 @@
+package com.kouros.navigation.car.screen.observers
+
+import androidx.lifecycle.Observer
+import com.kouros.navigation.data.Place
+
+/**
+ * Observer for route updates. Triggers navigation start when a non-empty route is received.
+ */
+class RecentPlacesObserver(
+    private val callback: NavigationObserverCallback
+) : Observer<List<Place>> {
+
+    override fun onChanged(value: List<Place>) {
+        if (value.isNotEmpty()) {
+            callback.onRecentPlacesReceived(value)
+        }
+    }
+}

common/data/src/main/java/com/kouros/navigation/model/NavigationViewModel.kt

@@ -3,6 +3,7 @@ package com.kouros.navigation.model
 //import com.kouros.navigation.data.Preferences.boxStore
 import android.content.Context
 import android.location.Location
+import android.util.Log
 import androidx.compose.runtime.snapshots.SnapshotStateList
 import androidx.compose.runtime.toMutableStateList
 import androidx.lifecycle.MutableLiveData
@@ -10,6 +11,7 @@ import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import com.google.gson.GsonBuilder
 import com.kouros.navigation.data.Constants
+import com.kouros.navigation.data.Constants.TAG
 import com.kouros.navigation.data.NavigationRepository
 import com.kouros.navigation.data.Place
 import com.kouros.navigation.data.Places