Notification

app/build.gradle.kts

@@ -17,8 +17,8 @@ android {
         applicationId = "com.kouros.navigation"
         minSdk = 33
         targetSdk = 36
-        versionCode = 83
+        versionCode = 84
-        versionName = "0.2.0.83"
+        versionName = "0.2.0.84"
         base.archivesName = "navi-$versionName"
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
     }

app/src/main/AndroidManifest.xml

@@ -41,8 +41,7 @@
             </intent-filter>
         </activity>
         <service
-            android:name="com.kouros.navigation.car.navigation.NavigationService"
+            android:name=".car.NavigationNotificationService"
-            android:enabled="true"
             android:foregroundServiceType="location"
             android:exported="true">
         </service>

automotive/src/main/AndroidManifest.xml

@@ -10,6 +10,7 @@
     <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
     <uses-permission android:name="android.car.permission.CAR_SPEED"/>
     <uses-permission android:name="androidx.car.app.ACCESS_SURFACE" />
+    <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
 
     <uses-feature
         android:name="android.hardware.type.automotive"
@@ -71,8 +72,7 @@
                 android:value="true" />
         </activity>
         <service
-            android:name="com.kouros.navigation.car.navigation.NavigationService"
+            android:name=".car.NavigationNotificationService"
-            android:enabled="true"
             android:foregroundServiceType="location"
             android:exported="true">
         </service>

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

@@ -34,6 +34,7 @@ import com.kouros.data.R
 import com.kouros.navigation.car.navigation.RouteCarModel
 import com.kouros.navigation.car.screen.NavigationListener
 import com.kouros.navigation.car.screen.NavigationScreen
+import com.kouros.navigation.data.Place
 import kotlinx.coroutines.awaitCancellation
 import kotlinx.coroutines.launch
 
@@ -67,7 +68,7 @@ internal class ClusterSession : Session(), NavigationListener {
                     OnClickListener {})
                 .build()
 
-        mNavigationCarSurface = SurfaceRenderer(carContext, lifecycle, routeModel, viewModelStoreOwner)
+        mNavigationCarSurface = SurfaceRenderer(carContext, lifecycle,  viewModelStoreOwner)
 
         //        mNavigationScreen =
 //                new NavigationScreen(getCarContext(), mSettingsAction, this, mNavigationCarSurface);
@@ -99,6 +100,10 @@ internal class ClusterSession : Session(), NavigationListener {
     override fun updateTrip(trip: Trip) {
     }
 
+    override fun navigateToPlace(place: Place) {
+
+    }
+
     companion object {
         val TAG: String = ClusterSession::class.java.getSimpleName()
     }

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

@@ -67,7 +67,7 @@ class DeviceLocationManager(
      * @param minDistanceM Minimum distance between updates in meters (default: 5m)
      */
     @SuppressLint("MissingPermission")
-    fun startLocationUpdates(minTimeMs: Long = 500, minDistanceM: Float = 5f) {
+    fun startLocationUpdates(minTimeMs: Long = 1000, minDistanceM: Float = 5f) {
         if (isListening) return
 
         // Get and deliver last known location first

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

@@ -14,7 +14,7 @@ import com.kouros.navigation.data.Constants.TAG
 
 class NavigationCarAppService : CarAppService() {
 
-    val INTENT_ACTION_NAV_NOTIFICATION_OPEN_APP  =
+    val intentActionNavNotificationOpenApp  =
         "com.kouros.navigation.INTENT_ACTION_NAV_NOTIFICATION_OPEN_APP"
 
     val channelId: String = "NavigationSessionChannel"
@@ -31,7 +31,6 @@ class NavigationCarAppService : CarAppService() {
     }
 
     override fun onCreateSession(sessionInfo: SessionInfo): Session {
-        Log.d(TAG, "Display Type: ${sessionInfo.displayType}")
         if (sessionInfo.displayType == SessionInfo.DISPLAY_TYPE_CLUSTER) {
             return ClusterSession()
         } else {

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

@@ -9,6 +9,7 @@ import android.os.Handler
 import android.os.IBinder
 import android.os.Looper
 import android.os.Message
+import android.util.Log
 import androidx.car.app.notification.CarAppExtender
 import androidx.car.app.notification.CarNotificationManager
 import androidx.car.app.notification.CarPendingIntent
@@ -16,6 +17,7 @@ import androidx.core.app.NotificationChannelCompat
 import androidx.core.app.NotificationCompat
 import androidx.core.app.NotificationManagerCompat
 import com.kouros.data.R
+import com.kouros.navigation.data.Constants.TAG
 import java.math.RoundingMode
 import java.text.DecimalFormat
 import java.util.concurrent.TimeUnit
@@ -44,17 +46,12 @@ class NavigationNotificationService : Service() {
         Handler(Looper.getMainLooper(), HandlerCallback())
 
     override fun onStartCommand(intent: Intent, flags: Int, startId: Int): Int {
+        val message = intent.getStringExtra("EXTRA_MESSAGE") ?: "Navigating..."
         initNotifications(this)
-        startForeground(
+        val notification = getNavigationNotification(this, message)
-            NAV_NOTIFICATION_ID,
+        // This updates the existing notification if the service is already running
-            getNavigationNotification(this, mNotificationCount).build()
+        CarNotificationManager.from(this).notify(NAV_NOTIFICATION_ID, notification)
-        )
+        startForeground(NAV_NOTIFICATION_ID, notification.build())
-
-        // Start updating the notification continuously.
-        mHandler.sendMessageDelayed(
-            mHandler.obtainMessage(MSG_SEND_NOTIFICATION), NAV_NOTIFICATION_DELAY_IN_MILLIS
-        )
-
         return START_NOT_STICKY
     }
 
@@ -71,11 +68,12 @@ class NavigationNotificationService : Service() {
      */
     internal inner class HandlerCallback : Handler.Callback {
         override fun handleMessage(msg: Message): Boolean {
+            Log.d(TAG, "Notification handleMessage: $msg")
             if (msg.what == MSG_SEND_NOTIFICATION) {
                 val context: Context = this@NavigationNotificationService
                 CarNotificationManager.from(context).notify(
                     NAV_NOTIFICATION_ID,
-                    getNavigationNotification(context, mNotificationCount)
+                    getNavigationNotification(context, "Nachricht")
                 )
                 mNotificationCount++
                 mHandler.sendMessageDelayed(
@@ -96,6 +94,12 @@ class NavigationNotificationService : Service() {
         val mOnlyAlertOnce: Boolean
     )
 
+    fun startForeground(message: String) {
+                startForeground(
+            NAV_NOTIFICATION_ID,
+            getNavigationNotification(this, message).build()
+        )
+    }
     companion object {
         private const val MSG_SEND_NOTIFICATION = 1
         private const val NAV_NOTIFICATION_CHANNEL_ID = "nav_channel_00"
@@ -124,21 +128,40 @@ class NavigationNotificationService : Service() {
             CarNotificationManager.from(context).createNotificationChannel(navChannel)
         }
 
+        /**
+         * Returns a [DirectionInfo] that corresponds to the given notification count.
+         *
+         *
+         * There are 5 directions, repeating in order. For each direction, the alert will only show
+         * once, but the distance will update on every count on the rail widget.
+         */
+        private fun getDirectionInfo(context: Context, message: String): DirectionInfo {
+            val formatter = DecimalFormat("#.##")
+            formatter.setRoundingMode(RoundingMode.DOWN)
+            val distance = formatter.format((10) * 0.1) + "km"
+            return DirectionInfo(
+                message,
+                distance,
+                R.drawable.navigation_48px,
+                false
+            )
+        }
+
         /** Returns the navigation notification that corresponds to the given notification count.  */
         fun getNavigationNotification(
-            context: Context, notificationCount: Int
+            context: Context
         ): NotificationCompat.Builder {
             val builder =
                 NotificationCompat.Builder(context, NAV_NOTIFICATION_CHANNEL_ID)
-            val directionInfo = getDirectionInfo(context, notificationCount)
+            val directionInfo = getDirectionInfo(context, "Test")
 
             // Set an intent to open the car app. The app receives this intent when the user taps the
             // heads-up notification or the rail widget.
             val pendingIntent = CarPendingIntent.getCarApp(
                 context,
-                NavigationCarAppService().INTENT_ACTION_NAV_NOTIFICATION_OPEN_APP.hashCode(),
+                NavigationCarAppService().intentActionNavNotificationOpenApp.hashCode(),
                 Intent(
-                    NavigationCarAppService().INTENT_ACTION_NAV_NOTIFICATION_OPEN_APP
+                    NavigationCarAppService().intentActionNavNotificationOpenApp
                 ).setComponent(
                     ComponentName(
                         context,
@@ -146,7 +169,7 @@ class NavigationNotificationService : Service() {
                     )
                 ).setData(
                     NavigationCarAppService().createDeepLinkUri(
-                        NavigationCarAppService().INTENT_ACTION_NAV_NOTIFICATION_OPEN_APP
+                        NavigationCarAppService().intentActionNavNotificationOpenApp
                     )
                 ),
                 0
@@ -179,54 +202,59 @@ class NavigationNotificationService : Service() {
                 )
         }
 
-        /**
+        fun getNavigationNotification(
-         * Returns a [DirectionInfo] that corresponds to the given notification count.
+            context: Context, message: String
-         *
+        ): NotificationCompat.Builder {
-         *
+            val builder =
-         * There are 5 directions, repeating in order. For each direction, the alert will only show
+                NotificationCompat.Builder(context, NAV_NOTIFICATION_CHANNEL_ID)
-         * once, but the distance will update on every count on the rail widget.
+            val directionInfo = getDirectionInfo(context, message)
-         */
+
-        private fun getDirectionInfo(context: Context, notificationCount: Int): DirectionInfo {
+            // Set an intent to open the car app. The app receives this intent when the user taps the
-            val formatter = DecimalFormat("#.##")
+            // heads-up notification or the rail widget.
-            formatter.setRoundingMode(RoundingMode.DOWN)
+            val pendingIntent = CarPendingIntent.getCarApp(
-            val repeatingCount = notificationCount % 35
+                context,
-            if (repeatingCount in 0..<10) {
+                NavigationCarAppService().intentActionNavNotificationOpenApp.hashCode(),
-                // Distance decreases from 1km to 0.1km
+                Intent(
-                val distance = formatter.format((10 - repeatingCount) * 0.1) + "km"
+                    NavigationCarAppService().intentActionNavNotificationOpenApp
-                return DirectionInfo(
+                ).setComponent(
-                    context.getString(R.string.stop_action_title),
+                    ComponentName(
-                    distance,
+                        context,
-                    R.drawable.arrow_back_24px,
+                        NavigationCarAppService()::class.java
-                    repeatingCount > 0
                     )
-            } else if (repeatingCount in 10..<20) {
+                ).setData(
-                // Distance decreases from 5km to 0.5km
+                    NavigationCarAppService().createDeepLinkUri(
-                val distance = formatter.format((20 - repeatingCount) * 0.5) + "km"
+                        NavigationCarAppService().intentActionNavNotificationOpenApp
-                return DirectionInfo(
-                    context.getString(R.string.route_preview),
-                    distance,
-                    R.drawable.ic_turn_normal_right,  /* onlyAlertOnce= */
-                    repeatingCount > 10
                     )
-            } else if (repeatingCount in 20..<25) {
+                ),
-                // Distance decreases from 200m to 40m
+                0
-                val distance = formatter.format(((25 - repeatingCount) * 40).toLong()) + "m"
-                return DirectionInfo(
-                    context.getString(R.string.route_preview),
-                    distance,
-                    R.drawable.navigation_48px,  /* onlyAlertOnce= */
-                    repeatingCount > 20
             )
-            } else {
+
-                // Distance decreases from 1km to 0.1km
+            return builder
-                val distance = formatter.format((35 - repeatingCount) * 0.1) + "km"
+                // This title, text, and icon will be shown in both phone and car screen. These
-                return DirectionInfo(
+                // values can
-                    context.getString(R.string.charging_station),
+                // be overridden in the extender below, to customize notifications in the car
-                    distance,
+                // screen.
-                    R.drawable.local_gas_station_24,
+                .setContentTitle(directionInfo.mTitle)
-                    repeatingCount > 25
+                .setContentText(directionInfo.mDistance)
+                .setSmallIcon(directionInfo.mIcon) // The notification must be set to 'ongoing' and its category must be set to
+                // CATEGORY_NAVIGATION in order to show it in the rail widget when the app is
+                // navigating on
+                // the background.
+                // These values cannot be overridden in the extender.
+
+                .setOngoing(true)
+                .setCategory(NotificationCompat.CATEGORY_NAVIGATION) // If set to true, the notification will only show the alert once in both phone and
+                // car screen. This value cannot be overridden in the extender.
+
+                .setOnlyAlertOnce(directionInfo.mOnlyAlertOnce) // This extender must be set in order to display the notification in the car screen.
+                // The extender also allows various customizations, such as showing different title
+                // or icon on the car screen.
+
+                .extend(
+                    CarAppExtender.Builder()
+                        .setContentIntent(pendingIntent)
+                        .build()
                 )
         }
     }
 }
-}

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

@@ -1,13 +1,9 @@
 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.car.app.CarContext
 import androidx.car.app.CarToast
@@ -15,13 +11,11 @@ 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.CarIcon
 import androidx.car.app.model.Distance
 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.DefaultLifecycleObserver
 import androidx.lifecycle.LifecycleObserver
@@ -40,25 +34,38 @@ 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.DESTINATION_ARRIVAL_DISTANCE
 import com.kouros.navigation.data.Constants.GMS_CAR_SPEED_PERMISSION
 import com.kouros.navigation.data.Constants.INSTRUCTION_DISTANCE
 import com.kouros.navigation.data.Constants.MAXIMAL_ROUTE_DEVIATION
 import com.kouros.navigation.data.Constants.MAXIMAL_SNAP_CORRECTION
 import com.kouros.navigation.data.Constants.TAG
+import com.kouros.navigation.data.Constants.TRAFFIC_UPDATE
+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.RouteModel
+import com.kouros.navigation.utils.GeoUtils
 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 kotlinx.coroutines.awaitCancellation
 import kotlinx.coroutines.launch
+import java.time.Duration
 import java.time.LocalDateTime
 import java.time.ZoneOffset
+import kotlin.math.absoluteValue
 
 
 /**
@@ -67,7 +74,7 @@ import java.time.ZoneOffset
  * car hardware sensors, routing engine selection, and screen navigation.
  * Implements NavigationScreen.Listener for handling navigation events.
  */
-class NavigationSession : Session(), NavigationListener {
+class NavigationSession : Session(), NavigationListener, NavigationObserverCallback {
 
     // Flag to enable/disable contact access feature
     val useContacts = false
@@ -75,6 +82,8 @@ class NavigationSession : Session(), NavigationListener {
     // Model for managing route state and navigation logic for Android Auto
     lateinit var routeModel: RouteCarModel
 
+    var route  = ""
+
     // Main navigation screen displayed to the user
     lateinit var navigationScreen: NavigationScreen
 
@@ -91,18 +100,44 @@ class NavigationSession : Session(), NavigationListener {
 
     lateinit var textToSpeechManager: TextToSpeechManager
 
+    lateinit var notificationManager: NotificationManager
+
+
     var autoDriveEnabled = false
 
     val simulation = Simulation()
 
+    private var routingEngine = 0
+
+    private var showTraffic = false;
+
+    private var distanceMode = 0
+    var lastCameraSearch = 0
+
+    var speedCameras = listOf<Elements>()
+
+    var lastRouteDate: LocalDateTime = LocalDateTime.now()
+
     var navigationManagerStarted = false
 
+    var notificationActive = false
+
     /**
      * Lifecycle observer for managing session lifecycle events.
      * Cleans up resources when the session is destroyed.
      */
     private val lifecycleObserver: LifecycleObserver = object : DefaultLifecycleObserver {
 
+        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 onDestroy(owner: LifecycleOwner) {
             if (::navigationManager.isInitialized) {
                 navigationManager.clearNavigationManagerCallback()
@@ -116,6 +151,13 @@ class NavigationSession : Session(), NavigationListener {
             if (::textToSpeechManager.isInitialized) {
                 textToSpeechManager.cleanup()
             }
+            carContext
+                .stopService(
+                    Intent(
+                        carContext,
+                        NavigationNotificationService::class.java
+                    )
+                )
             Log.i(TAG, "NavigationSession destroyed")
         }
     }
@@ -130,8 +172,26 @@ class NavigationSession : Session(), NavigationListener {
 
     var guidanceAudio = 0
 
+    var lastTrafficDate: LocalDateTime = LocalDateTime.MIN
+    lateinit var observerManager: NavigationObserverManager
+
+    val repository = getSettingsRepository(carContext)
+
+    val settingsViewModel = getSettingsViewModel(carContext)
+
     init {
         lifecycle.addObserver(lifecycleObserver)
+        repository.routingEngineFlow.asLiveData().observe(this, Observer {
+            routingEngine = it
+        })
+
+        repository.trafficFlow.asLiveData().observe(this, Observer {
+            showTraffic = it
+        })
+        repository.distanceModeFlow.asLiveData().observe(this, Observer {
+            distanceMode = it
+        })
+
     }
 
     /**
@@ -144,6 +204,8 @@ class NavigationSession : Session(), NavigationListener {
             RouteEngine.OSRM.ordinal -> NavigationViewModel(OsrmRepository())
             else -> NavigationViewModel(TomTomRepository())
         }
+        observerManager = NavigationObserverManager(navigationViewModel, this)
+        observerManager.attachAllObservers(this)
     }
 
     /**
@@ -166,11 +228,13 @@ class NavigationSession : Session(), NavigationListener {
         when (connectionState) {
             CarConnection.CONNECTION_TYPE_NOT_CONNECTED -> Unit
             CarConnection.CONNECTION_TYPE_NATIVE -> {
-                navigationViewModel.permissionGranted.value = checkPermission(carContext,AUTOMOTIVE_CAR_SPEED_PERMISSION)
+                navigationViewModel.permissionGranted.value =
+                    checkPermission(carContext, AUTOMOTIVE_CAR_SPEED_PERMISSION)
             }
 
             CarConnection.CONNECTION_TYPE_PROJECTION -> {
-                navigationViewModel.permissionGranted.value = checkPermission(carContext, GMS_CAR_SPEED_PERMISSION)
+                navigationViewModel.permissionGranted.value =
+                    checkPermission(carContext, GMS_CAR_SPEED_PERMISSION)
             }
         }
     }
@@ -242,7 +306,7 @@ class NavigationSession : Session(), NavigationListener {
                 }
             }
         })
-        surfaceRenderer = SurfaceRenderer(carContext, lifecycle, routeModel, viewModelStoreOwner)
+        surfaceRenderer = SurfaceRenderer(carContext, lifecycle,  viewModelStoreOwner)
 
         carSensorManager = CarSensorManager(
             carContext = carContext,
@@ -272,6 +336,7 @@ class NavigationSession : Session(), NavigationListener {
         repository.guidanceAudioFlow.asLiveData().observe(this, Observer {
             guidanceAudio = it
         })
+        notificationManager = NotificationManager(carContext, this)
     }
 
     /**
@@ -281,7 +346,6 @@ class NavigationSession : Session(), NavigationListener {
         navigationScreen = NavigationScreen(
             carContext,
             surfaceRenderer,
-            routeModel,
             this,
             navigationViewModel
         )
@@ -369,6 +433,11 @@ class NavigationSession : Session(), NavigationListener {
      * Handles route snapping, deviation detection for rerouting, and map updates.
      */
     fun updateLocation(location: Location) {
+        val streetName = if (routeModel.isNavigating()) {
+            routeModel.currentStep().street
+        } else {
+            ""
+        }
         if (routeModel.navState.carConnection == CarConnection.CONNECTION_TYPE_PROJECTION) {
             surfaceRenderer.updateCarSpeed(location.speed)
         }
@@ -376,8 +445,8 @@ class NavigationSession : Session(), NavigationListener {
         if (routeModel.isNavigating()) {
             handleNavigationLocation(location)
         } else {
-            navigationScreen.checkTraffic(LocalDateTime.now(ZoneOffset.UTC), location)
+            checkTraffic(LocalDateTime.now(ZoneOffset.UTC), location)
-            surfaceRenderer.updateLocation(location)
+            surfaceRenderer.updateLocation(location, streetName)
         }
     }
 
@@ -395,43 +464,111 @@ class NavigationSession : Session(), NavigationListener {
      * Snaps location to route and checks for deviation requiring reroute.
      */
     private fun handleNavigationLocation(location: Location) {
-
+        routeModel.updateLocation(location, navigationViewModel)
+        if (routeModel.navState.arrived) return
         if (guidanceAudio == 1) {
             handleGuidanceAudio()
         }
-        navigationScreen.updateTrip(location)
+        val streetName = routeModel.currentStep().street
-        if (routeModel.navState.arrived) return
+        val currentDate = LocalDateTime.now(ZoneOffset.UTC)
+
+        checkTraffic(currentDate, location)
+        updateSpeedCamera(location)
+        checkRoute(currentDate, location)
+        checkArrival()
+        updateNavigationScreen()
+
+        snapLocation(location, streetName)
+    }
+
+    /**
+     * Updates the surface renderer with snapped location and street name.
+     * Checks if maximal route deviation is exceeded and reroutes if needed.
+     */
+    private fun snapLocation(location: Location, streetName: String) {
         val snappedLocation = snapLocation(location, routeModel.route.maneuverLocations())
         val distance = location.distanceTo(snappedLocation)
         when {
             distance > MAXIMAL_ROUTE_DEVIATION -> {
+                stopNavigation()
                 navigationScreen.calculateNewRoute(routeModel.navState.destination)
             }
 
             distance < MAXIMAL_SNAP_CORRECTION -> {
-                surfaceRenderer.updateLocation(snappedLocation)
+                surfaceRenderer.updateLocation(snappedLocation, streetName)
             }
 
             else -> {
-                surfaceRenderer.updateLocation(location)
+                surfaceRenderer.updateLocation(location, streetName)
             }
         }
     }
 
     /**
-     * Stops active navigation and clears route state.
+     * Updates the navigation screen with new trip information.
-     * Called when user exits navigation or arrives at destination.
      */
-    override fun stopNavigation() {
+    fun updateNavigationScreen() {
-        routeModel.stopNavigation()
+        if (routeModel.navState.destination.name.isEmpty()
-        navigationManager.navigationEnded()
+            && routeModel.navState.destination.street.isEmpty()) {
-        if (autoDriveEnabled) {
+            return
-            simulation.stopSimulation()
-            autoDriveEnabled = false
         }
+        val travelEstimateTrip = routeModel.travelEstimateTrip(carContext, distanceMode)
+        val travelEstimateStep = routeModel.travelEstimateStep(carContext, distanceMode)
+        val steps = mutableListOf<Step>()
+        val destination = Destination.Builder()
+            .setName(routeModel.navState.destination.name)
+            .setAddress(routeModel.navState.destination.street)
+            .build()
+        val distance =
+            formattedDistance(0, routeModel.routeCalculator.leftStepDistance())
+        steps.add(routeModel.currentStep(carContext))
+        if (routeModel.navState.nextStep) {
+            steps.add(routeModel.nextStep(carContext = carContext))
+
+        }
+        navigationScreen.updateTrip(
+            isNavigating = routeModel.isNavigating(),
+            isRerouting = false,
+            hasArrived = routeModel.isArrival(),
+            destinationTravelEstimate = travelEstimateTrip,
+            stepTravelEstimate = travelEstimateStep,
+            destinations = mutableListOf(destination),
+            steps = steps,
+            stepRemainingDistance = Distance.create(distance.first, distance.second),
+            shouldShowNextStep = false,
+            shouldShowLanes = true,
+            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(
+            destination,
+            travelEstimateTrip
+        )
+        tripBuilder.setLoading(false)
+        tripBuilder.setCurrentRoad(destination.name.toString())
+        tripBuilder.addStep(steps.first(), travelEstimateStep)
+        updateTrip(tripBuilder.build())
+    }
+
+    /**
+     * Checks for arrival
+     */
+    fun checkArrival() {
+        if (routeModel.isArrival()
+            && routeModel.routeCalculator.leftStepDistance() < DESTINATION_ARRIVAL_DISTANCE
+        ) {
+            stopNavigation()
+            settingsViewModel.onLastRouteChanged("")
+            routeModel.navState = routeModel.navState.copy(arrived = true)
             surfaceRenderer.routeData.value = ""
-        surfaceRenderer.viewStyle = ViewStyle.VIEW
+        }
-        navigationScreen.navigationType = NavigationType.VIEW
     }
 
     /**
@@ -449,6 +586,27 @@ class NavigationSession : Session(), NavigationListener {
                 updateLocation(location)
             }
         }
+        if (notificationActive)
+            notificationManager.startNotificationService()
+    }
+
+    /**
+     * Stops active navigation and clears route state.
+     * Called when user exits navigation or arrives at destination.
+     */
+    override fun stopNavigation() {
+        routeModel.stopNavigation()
+        navigationManager.navigationEnded()
+        if (autoDriveEnabled) {
+            simulation.stopSimulation()
+            autoDriveEnabled = false
+        }
+        surfaceRenderer.routeData.value = ""
+        lastCameraSearch = 0
+        surfaceRenderer.viewStyle = ViewStyle.VIEW
+        navigationScreen.navigationType = NavigationType.VIEW
+        if (notificationActive)
+            notificationManager.stopNotificationService()
     }
 
     override fun updateTrip(trip: Trip) {
@@ -467,6 +625,195 @@ class NavigationSession : Session(), NavigationListener {
         if (currentStep.index > lastStepIndex && stepData.leftStepDistance < INSTRUCTION_DISTANCE) {
             textToSpeechManager.speak(stepData.message)
             lastStepIndex = currentStep.index
+            if (notificationActive) {
+                notificationManager.sendMessage(stepData.message)
+            }
+        }
+    }
+
+    /**
+     * Handles the received route string.
+     * Starts navigation and invalidates the screen.
+     */
+    override fun onRouteReceived(route: String) {
+        if (route.isNotEmpty()) {
+            this.route = route
+            if (routeModel.isNavigating()) {
+                updateRoute(route)
+            } else {
+                prepareRoute(route)
+            }
+            updateNavigationScreen()
+        }
+    }
+
+    /**
+     * Prepare route and start navigation
+     */
+    private fun prepareRoute(route: String) {
+        routeModel.navState = routeModel.navState.copy(routingEngine = routingEngine)
+        routeModel.startNavigation(route)
+        if (routeModel.hasLegs()) {
+            settingsViewModel.onLastRouteChanged(route)
+        }
+        surfaceRenderer.setRouteData(routeModel.curRoute.routeGeoJson)
+        startNavigation()
+        updateNavigationScreen()
+    }
+
+    /**
+     * Update route and traffic data
+     */
+    private fun updateRoute(route: String) {
+        val newRouteModel = RouteModel()
+        newRouteModel.navState = routeModel.navState.copy(routingEngine = routingEngine)
+        newRouteModel.startNavigation(route)
+        routeModel.curRoute.summary.trafficDelay = newRouteModel.curRoute.summary.trafficDelay
+        updateNavigationScreen()
+    }
+
+
+    override fun isNavigating(): Boolean = routeModel.isNavigating()
+
+    /**
+     * 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.speedCamerasData.value = speedData
+    }
+
+    /**
+     * Handles received maximum speed data and updates the surface renderer.
+     */
+    override fun onMaxSpeedReceived(speed: Int) {
+        surfaceRenderer.maxSpeed.value = speed
+    }
+
+    override fun invalidateScreen() {
+        navigationScreen.invalidate()
+    }
+
+    /**
+     * Loads a route to the specified place and sets it as the destination.
+     */
+    override fun navigateToPlace(place: Place) {
+        val preview = place.route
+        navigationViewModel.previewRoute.value = ""
+        val location = location(place.longitude, place.latitude)
+        navigationViewModel.saveRecent(carContext, 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)
+            }
+        }
+    }
+
+    /**
+     * Checks if a new route is needed based on the time since the last update.
+     */
+    private fun checkRoute(currentDate: LocalDateTime, location: Location) {
+        val duration = Duration.between(currentDate, lastRouteDate)
+        val routeUpdate = routeModel.curRoute.summary.duration / 4
+        if (duration.abs().seconds > routeUpdate) {
+            lastRouteDate = currentDate
+            val destination = location(
+                routeModel.navState.destination.longitude,
+                routeModel.navState.destination.latitude
+            )
+            navigationViewModel.loadRoute(
+                carContext,
+                location,
+                destination,
+                surfaceRenderer.carOrientation
+            )
         }
     }
 

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

@@ -0,0 +1,62 @@
+package com.kouros.navigation.car
+
+import android.content.Intent
+import android.location.Location
+import android.os.Message
+import android.util.Log
+import androidx.car.app.CarContext
+import androidx.car.app.hardware.CarHardwareManager
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.LifecycleOwner
+import androidx.lifecycle.lifecycleScope
+import androidx.lifecycle.repeatOnLifecycle
+import com.kouros.navigation.data.Constants.TAG
+import kotlinx.coroutines.flow.collectLatest
+import kotlinx.coroutines.launch
+
+class NotificationManager(
+    private val carContext: CarContext,
+    private val lifecycleOwner: LifecycleOwner,
+) {
+
+    private var notificationServiceStarted = false
+
+    private var serviceStarted = false
+
+    init {
+        lifecycleOwner.lifecycleScope.launch {
+            lifecycleOwner.repeatOnLifecycle(Lifecycle.State.STARTED) {
+
+            }
+            lifecycleOwner.repeatOnLifecycle(Lifecycle.State.DESTROYED) {
+                if (notificationServiceStarted) {
+                    stopNotificationService()
+                }
+            }
+        }
+    }
+
+    fun startNotificationService() {
+        val intent = Intent(carContext, NavigationNotificationService::class.java)
+        carContext.startForegroundService(intent)
+        notificationServiceStarted = true
+    }
+
+    fun stopNotificationService() {
+        carContext
+            .stopService(
+                Intent(
+                    carContext,
+                    NavigationNotificationService::class.java
+                )
+            )
+        notificationServiceStarted = false
+    }
+
+    fun sendMessage(message: String) {
+        val intent = Intent(carContext, NavigationNotificationService::class.java).apply {
+            putExtra("EXTRA_MESSAGE", message)
+        }
+        carContext.startForegroundService(intent)
+    }
+}

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

@@ -66,7 +66,7 @@ import java.time.LocalDateTime
 class SurfaceRenderer(
     private var carContext: CarContext,
     private var lifecycle: Lifecycle,
-    private var routeModel: RouteCarModel,
+    //private var routeModel: RouteCarModel,
     private var viewModelStoreOwner: ViewModelStoreOwner
 ) : DefaultLifecycleObserver {
 
@@ -362,13 +362,9 @@ class SurfaceRenderer(
      * Calculates appropriate bearing, zoom, and maintains view style.
      * Uses car orientation sensor if available, otherwise falls back to location bearing.
      */
-    fun updateLocation(location: Location) {
+    fun updateLocation(location: Location, streetName : String) {
         synchronized(this) {
-            if (routeModel.isNavigating()) {
+           street.value = streetName
-                street.value = routeModel.currentStep().street
-            } else  {
-                street.value = ""
-            }
             if (viewStyle == ViewStyle.VIEW || viewStyle == ViewStyle.PAN_VIEW) {
                 val bearing = if (carOrientation == 999F) {
                     if (location.hasBearing()) {
@@ -402,8 +398,8 @@ class SurfaceRenderer(
     /**
      * Sets route data for active navigation and switches to VIEW mode.
      */
-    fun setRouteData() {
+    fun setRouteData(routeGeoJson: String) {
-        routeData.value = routeModel.curRoute.routeGeoJson
+        routeData.value = routeGeoJson
         viewStyle = ViewStyle.VIEW
     }
 
@@ -413,7 +409,7 @@ class SurfaceRenderer(
     fun activateNavigationView() {
         viewStyle = ViewStyle.VIEW
         tilt = TILT
-        updateLocation(lastLocation)
+        updateLocation(lastLocation, "")
     }
 
     /**
@@ -481,11 +477,11 @@ class SurfaceRenderer(
      * Updates car location from the connected car system.
      * Only updates location when using OSRM routing engine.
      */
-    fun updateCarLocation(location: Location) {
+    fun updateCarLocation(location: Location, streetName: String) {
         val repository = getSettingsRepository(carContext)
         val routingEngine = runBlocking {  repository.routingEngineFlow.first() }
         if (routingEngine == RouteEngine.OSRM.ordinal) {
-            updateLocation(location)
+            updateLocation(location, streetName)
         }
     }
 

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

@@ -115,8 +115,9 @@ 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(1000)
                             lastTime = p.time
                             lastLocation = fakeLocation
                         }

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

@@ -1,7 +1,7 @@
 package com.kouros.navigation.car.screen
 
 import androidx.car.app.navigation.model.Trip
-
+import com.kouros.navigation.data.Place
 
 
 /** A listener for navigation start and stop signals.  */
@@ -14,4 +14,6 @@ interface NavigationListener {
 
     /** Updates trip information. */
     fun updateTrip(trip: Trip)
+
+    fun navigateToPlace(place: Place)
 }

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

@@ -1,7 +1,11 @@
 package com.kouros.navigation.car.screen
 
+import android.content.Context
+import android.content.Intent
 import android.location.Location
 import android.location.LocationManager
+import android.os.Build
+import android.os.Build.VERSION_CODES
 import android.os.CountDownTimer
 import android.os.Handler
 import androidx.car.app.CarContext
@@ -9,6 +13,7 @@ import androidx.car.app.Screen
 import androidx.car.app.model.Action
 import androidx.car.app.model.Action.FLAG_IS_PERSISTENT
 import androidx.car.app.model.ActionStrip
+import androidx.car.app.model.CarColor
 import androidx.car.app.model.CarIcon
 import androidx.car.app.model.Distance
 import androidx.car.app.model.Header
@@ -21,7 +26,8 @@ import androidx.car.app.navigation.model.MapWithContentTemplate
 import androidx.car.app.navigation.model.MessageInfo
 import androidx.car.app.navigation.model.NavigationTemplate
 import androidx.car.app.navigation.model.RoutingInfo
-import androidx.car.app.navigation.model.Trip
+import androidx.car.app.navigation.model.Step
+import androidx.car.app.navigation.model.TravelEstimate
 import androidx.core.graphics.drawable.IconCompat
 import androidx.lifecycle.DefaultLifecycleObserver
 import androidx.lifecycle.LifecycleOwner
@@ -29,30 +35,18 @@ import androidx.lifecycle.Observer
 import androidx.lifecycle.asLiveData
 import androidx.lifecycle.lifecycleScope
 import com.kouros.data.R
+import com.kouros.navigation.car.NavigationNotificationService
 import com.kouros.navigation.car.SurfaceRenderer
-import com.kouros.navigation.car.navigation.RouteCarModel
-import com.kouros.navigation.car.screen.observers.NavigationObserverCallback
-import com.kouros.navigation.car.screen.observers.NavigationObserverManager
 import com.kouros.navigation.car.screen.settings.SettingsScreen
 import com.kouros.navigation.data.Constants
-import com.kouros.navigation.data.Constants.DESTINATION_ARRIVAL_DISTANCE
-import com.kouros.navigation.data.Constants.TRAFFIC_UPDATE
 import com.kouros.navigation.data.Place
 import com.kouros.navigation.data.ViewStyle
-import com.kouros.navigation.data.overpass.Elements
 import com.kouros.navigation.model.NavigationViewModel
-import com.kouros.navigation.model.RouteModel
-import com.kouros.navigation.utils.GeoUtils
-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 kotlinx.coroutines.flow.first
 import kotlinx.coroutines.launch
-import java.time.Duration
-import java.time.LocalDateTime
-import java.time.ZoneOffset
-import kotlin.math.absoluteValue
 
 /**
  * Main screen for car navigation.
@@ -61,41 +55,37 @@ import kotlin.math.absoluteValue
 open class NavigationScreen(
     carContext: CarContext,
     private var surfaceRenderer: SurfaceRenderer,
-    private var routeModel: RouteCarModel,
     private var listener: NavigationListener,
     private val navigationViewModel: NavigationViewModel
-) : Screen(carContext), NavigationObserverCallback {
+) : Screen(carContext) {
-
-    var currentNavigationLocation = Location(LocationManager.GPS_PROVIDER)
 
     var recentPlaces = mutableListOf<Place>()
 
     var recentPlace: Place = Place()
     var navigationType = NavigationType.VIEW
 
-    var lastTrafficDate: LocalDateTime = LocalDateTime.MIN
-
-    var lastRouteDate: LocalDateTime = LocalDateTime.now()
-    var lastCameraSearch = 0
-    var speedCameras = listOf<Elements>()
-    val observerManager = NavigationObserverManager(navigationViewModel, this)
-
     val repository = getSettingsRepository(carContext)
 
     val settingsViewModel = getSettingsViewModel(carContext)
 
-    private var distanceMode = 0
-
     private var tripSuggestion = false
 
     private var tripSuggestionCalled = false
-
-    private var routingEngine = 0
-
-    private var showTraffic = false;
     private var arrivalTimer: CountDownTimer? = null
     private var reRouteTimer: CountDownTimer? = null
 
+    private var isNavigating = false
+    private var isRerouting = false
+    private var hasArrived = false
+    private lateinit var destinations: MutableList<Destination>
+    private lateinit var stepRemainingDistance: Distance
+    private lateinit var destinationTravelEstimate: TravelEstimate
+    private lateinit var stepTravelEstimate: TravelEstimate
+    private var shouldShowNextStep = false
+    private var shouldShowLanes = false
+    private lateinit var steps: MutableList<Step>
+    private var junctionImage: CarIcon? = null
+    private var backGroundColor = CarColor.BLUE
     val observerRecentPlaces = Observer<List<Place>> { newPlaces ->
         recentPlaces.addAll(newPlaces)
         if (newPlaces.isNotEmpty() && !tripSuggestionCalled) {
@@ -106,25 +96,14 @@ open class NavigationScreen(
     }
 
     init {
-        observerManager.attachAllObservers(this)
         lifecycleScope.launch {
             settingsViewModel.tripSuggestion.first()
-            settingsViewModel.routingEngine.first()
         }
-        repository.distanceModeFlow.asLiveData().observe(this, Observer {
-            distanceMode = it
-        })
 
-        repository.trafficFlow.asLiveData().observe(this, Observer {
-            showTraffic = it
-        })
         repository.tripSuggestionFlow.asLiveData().observe(this, Observer {
             navigationViewModel.recentPlaces.observe(this, observerRecentPlaces)
             tripSuggestion = it
         })
-        repository.routingEngineFlow.asLiveData().observe(this, Observer {
-            routingEngine = it
-        })
         lifecycle.addObserver(object : DefaultLifecycleObserver {
             override fun onStop(owner: LifecycleOwner) {
                 arrivalTimer?.cancel()
@@ -164,12 +143,11 @@ open class NavigationScreen(
                 0,
                 { stopNavigation() })
         )
-        updateTrip()
         return NavigationTemplate.Builder()
             .setNavigationInfo(
                 getRoutingInfo()
             )
-            .setDestinationTravelEstimate(routeModel.travelEstimateTrip(carContext, distanceMode))
+            .setDestinationTravelEstimate(destinationTravelEstimate)
             .setActionStrip(actionStripBuilder.build())
             .setMapActionStrip(
                 mapActionStrip(
@@ -185,7 +163,7 @@ open class NavigationScreen(
                         )
                     })
             )
-            .setBackgroundColor(routeModel.backGroundColor())
+            .setBackgroundColor(backGroundColor)
             .build()
     }
 
@@ -194,7 +172,7 @@ open class NavigationScreen(
      */
     private fun navigationViewTemplate(actionStripBuilder: ActionStrip.Builder): Template {
         return NavigationTemplate.Builder()
-            .setBackgroundColor(routeModel.backGroundColor())
+            .setBackgroundColor(backGroundColor)
             .setActionStrip(actionStripBuilder.build())
             .setMapActionStrip(
                 mapActionStrip(
@@ -221,7 +199,7 @@ open class NavigationScreen(
         arrivalTimer = object : CountDownTimer(8000, 1000) {
             override fun onTick(millisUntilFinished: Long) {}
             override fun onFinish() {
-                routeModel.navState = routeModel.navState.copy(arrived = false)
+               // routeModel.navState = routeModel.navState.copy(arrived = false)
                 navigationType = NavigationType.VIEW
                 invalidate()
             }
@@ -235,8 +213,8 @@ open class NavigationScreen(
      */
     fun navigationArrivedTemplate(actionStripBuilder: ActionStrip.Builder): NavigationTemplate {
         var street = ""
-        if (routeModel.navState.destination.street != null) {
+        if (destinations.first().address != null) {
-            street = routeModel.navState.destination.street!!
+            street = destinations.first().address.toString()
         }
         return NavigationTemplate.Builder()
             .setNavigationInfo(
@@ -255,7 +233,7 @@ open class NavigationScreen(
                     )
                     .build()
             )
-            .setBackgroundColor(routeModel.backGroundColor())
+          //  .setBackgroundColor(routeModel.backGroundColor())
             .setActionStrip(actionStripBuilder.build())
             .setMapActionStrip(
                 mapActionStrip(
@@ -294,12 +272,12 @@ open class NavigationScreen(
         val listBuilder = ItemList.Builder()
         recentPlaces.filter { it.category == Constants.RECENT  && it.distance > 300F }.forEach {
             val row = Row.Builder()
-                .setTitle(it.name!!)
+                .setTitle(it.name)
                 .addAction(
                     createNavigateAction(it)
                 )
                 .setOnClickListener {
-                    navigateToPlace(it)
+                    listener.navigateToPlace(it)
                 }
             listBuilder.addItem(
                 row.build()
@@ -349,7 +327,7 @@ open class NavigationScreen(
         return NavigationTemplate.Builder()
             .setNavigationInfo(RoutingInfo.Builder().setLoading(true).build())
             .setActionStrip(actionStripBuilder.build())
-            .setBackgroundColor(routeModel.backGroundColor())
+           // .setBackgroundColor(routeModel.backGroundColor())
             .build()
     }
 
@@ -357,16 +335,13 @@ open class NavigationScreen(
      * Builds and returns RoutingInfo based on the current step and distance.
      */
     fun getRoutingInfo(): RoutingInfo {
-        val distance =
-            formattedDistance(distanceMode, routeModel.routeCalculator.leftStepDistance())
         val routingInfo = RoutingInfo.Builder()
             .setCurrentStep(
-                routeModel.currentStep(carContext = carContext),
+                steps.first(),
-                Distance.create(distance.first, distance.second)
+                stepRemainingDistance
             )
-        if (routeModel.navState.nextStep) {
+        if (shouldShowNextStep && steps.size > 1) {
-            val nextStep = routeModel.nextStep(carContext = carContext)
+            routingInfo.setNextStep(steps[1])
-            routingInfo.setNextStep(nextStep)
         }
         return routingInfo.build()
     }
@@ -391,7 +366,7 @@ open class NavigationScreen(
                         )
                     ) { obj: Any? ->
                         if (obj != null) {
-                            navigateToPlace(place)
+                            listener.navigateToPlace(place)
                         }
                     }
             }
@@ -471,48 +446,22 @@ open class NavigationScreen(
                     if (place.longitude == 0.0) {
                         navigationViewModel.findAddress(
                             "${obj.city} ${obj.street}},",
-                            currentNavigationLocation
+                            surfaceRenderer.lastLocation
                         )
                         // result see observer
                     } else {
-                        navigateToPlace(place)
+                        listener.navigateToPlace(place)
                     }
                 }
             }
     }
 
-    /**
-     * Loads a route to the specified place and sets it as the destination.
-     */
-    fun navigateToPlace(place: Place) {
-        val preview = navigationViewModel.previewRoute.value
-        navigationViewModel.previewRoute.value = ""
-        val location = location(place.longitude, place.latitude)
-        navigationViewModel.saveRecent(carContext, place)
-        currentNavigationLocation = location
-        if (preview.isNullOrEmpty()) {
-            navigationViewModel.loadRoute(
-                carContext,
-                surfaceRenderer.lastLocation,
-                location,
-                surfaceRenderer.carOrientation
-            )
-        } else {
-            routeModel.navState = routeModel.navState.copy(currentRouteIndex = place.routeIndex)
-            navigationViewModel.route.value = preview
-        }
-        routeModel.navState = routeModel.navState.copy(destination = place)
-        surfaceRenderer.activateNavigationView()
-        invalidate()
-    }
-
     /**
      * Stops navigation, resets state, and notifies listeners.
      */
     fun stopNavigation() {
         navigationType = NavigationType.VIEW
         listener.stopNavigation()
-        lastCameraSearch = 0
         invalidate()
     }
 
@@ -520,7 +469,6 @@ open class NavigationScreen(
      * Initiates recalculation for a new route to the destination.
      */
     fun calculateNewRoute(destination: Place) {
-        stopNavigation()
         navigationType = NavigationType.REROUTE
         invalidate()
         val mainThreadHandler = Handler(carContext.mainLooper)
@@ -553,224 +501,36 @@ open class NavigationScreen(
     /**
      * Updates navigation state with the current location, checks for arrival, and traffic updates.
      */
-    fun updateTrip(location: Location) {
+    fun updateTrip(
-        val currentDate = LocalDateTime.now(ZoneOffset.UTC)
+        isNavigating: Boolean,
-        checkRoute(currentDate, location)
+        isRerouting: Boolean,
-        checkTraffic(currentDate, location)
+        hasArrived: Boolean,
-
+        destinations: MutableList<Destination>,
-        updateSpeedCamera(location)
+        steps: MutableList<Step>,
-
+        destinationTravelEstimate: TravelEstimate,
-        routeModel.updateLocation(location, navigationViewModel)
+        stepTravelEstimate: TravelEstimate,
-        checkArrival()
+        stepRemainingDistance: Distance,
-
+        shouldShowNextStep: Boolean,
-        invalidate()
+        shouldShowLanes: Boolean,
-    }
+        junctionImage: CarIcon?,
-
+        backGroundColor: CarColor
-    /**
-     * Checks if a new route is needed based on the time since the last update.
-     */
-    private fun checkRoute(currentDate: LocalDateTime, location: Location) {
-        val duration = Duration.between(currentDate, lastRouteDate)
-        val routeUpdate = routeModel.curRoute.summary.duration / 4
-        if (duration.abs().seconds > routeUpdate) {
-            lastRouteDate = currentDate
-            val destination = location(
-                routeModel.navState.destination.longitude,
-                routeModel.navState.destination.latitude
-            )
-            navigationViewModel.loadRoute(
-                carContext,
-                location,
-                destination,
-                surfaceRenderer.carOrientation
-            )
-        }
-    }
-
-    /**
-     * 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)
-        }
-    }
-
-    /**
-     * Checks for arrival
-     */
-    fun checkArrival() {
-        if (routeModel.isArrival()
-            && routeModel.routeCalculator.leftStepDistance() < DESTINATION_ARRIVAL_DISTANCE
     ) {
-            listener.stopNavigation()
+        this.isNavigating = isNavigating
-            settingsViewModel.onLastRouteChanged("")
+        this.isRerouting = isRerouting
-            routeModel.navState = routeModel.navState.copy(arrived = true)
+        this.hasArrived = hasArrived
-            surfaceRenderer.routeData.value = ""
+        this.destinations = destinations
-            navigationType = NavigationType.ARRIVAL
+        this.steps = steps
-            invalidate()
+        this.stepRemainingDistance = stepRemainingDistance
-        }
+        this.destinationTravelEstimate = destinationTravelEstimate
-    }
+        this.stepTravelEstimate = stepTravelEstimate
+        this.shouldShowNextStep = shouldShowNextStep
+        this.shouldShowLanes = shouldShowLanes
+        this.junctionImage = junctionImage
+        this.backGroundColor = backGroundColor
 
-    /**
-     * Updates the trip information and notifies the listener with a new Trip object.
-     * This includes destination name, address, travel estimate, and loading status.
-     */
-    private fun updateTrip() {
-        if (routeModel.isNavigating() && !routeModel.navState.destination.name.isNullOrEmpty()) {
-            val tripBuilder = Trip.Builder()
-            val destination = Destination.Builder()
-                .setName(routeModel.navState.destination.name ?: "")
-                .setAddress(routeModel.navState.destination.street ?: "")
-                .build()
-            tripBuilder.addDestination(
-                destination,
-                routeModel.travelEstimateTrip(carContext, distanceMode)
-            )
-            tripBuilder.setLoading(false)
-            tripBuilder.setCurrentRoad(routeModel.currentStep.street)
-            tripBuilder.addStep(routeModel.currentStep(carContext), routeModel.travelEstimateStep(carContext, distanceMode ))
-            listener.updateTrip(tripBuilder.build())
-        }
-    }
-
-    /**
-     * 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)
-            }
-        }
-    }
-
-    /**
-     * Handles the received route string.
-     * Starts navigation and invalidates the screen.
-     */
-    override fun onRouteReceived(route: String) {
-        if (route.isNotEmpty()) {
-            if (routeModel.isNavigating()) {
-                updateRoute(route)
-            } else {
-                prepareRoute(route)
-            }
-            invalidate()
-        }
-    }
-
-    /**
-     * Prepare route and start navigation
-     */
-    private fun prepareRoute(route: String) {
-        routeModel.navState = routeModel.navState.copy(routingEngine = routingEngine)
         navigationType = NavigationType.NAVIGATION
-        routeModel.startNavigation(route)
-        if (routeModel.hasLegs()) {
-            settingsViewModel.onLastRouteChanged(route)
-        }
-        surfaceRenderer.setRouteData()
-        listener.startNavigation()
-    }
-
-    /**
-     * Update route and traffic data
-     */
-    private fun updateRoute(route: String) {
-        val newRouteModel = RouteModel()
-        newRouteModel.navState = routeModel.navState.copy(routingEngine = routingEngine)
-        navigationType = NavigationType.NAVIGATION
-        newRouteModel.startNavigation(route)
-        routeModel.curRoute.summary.trafficDelay = newRouteModel.curRoute.summary.trafficDelay
-    }
-
-    /**
-     * Checks if navigation is currently active.
-     */
-    override fun isNavigating(): Boolean = routeModel.isNavigating()
-
-    /**
-     * 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.speedCamerasData.value = speedData
-    }
-
-    /**
-     * Handles received maximum speed data and updates the surface renderer.
-     */
-    override fun onMaxSpeedReceived(speed: Int) {
-        surfaceRenderer.maxSpeed.value = speed
-    }
-
-    /**
-     * Invalidates the screen.
-     */
-    override fun invalidateScreen() {
         invalidate()
     }
-
 }
 
 /**

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

@@ -347,6 +347,7 @@ class RoutePreviewScreen(
 
     private fun onNavigate(index: Int) {
         destination.routeIndex = index
+        destination.route = navigationViewModel.previewRoute.value.toString()
         setResult(destination)
         finish()
     }

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.NavigationSession
 import com.kouros.navigation.model.NavigationViewModel
 
 /**
@@ -17,16 +18,12 @@ class NavigationObserverManager(
     val speedCameraObserver = SpeedCameraObserver(callback)
     val maxSpeedObserver = MaxSpeedObserver(callback)
 
-    /**
+    fun attachAllObservers(session: NavigationSession) {
-     * Attaches all observers to the ViewModel.
+        viewModel.route.observe(session, routeObserver)
-     * Call this from NavigationScreen's init block or lifecycle method.
+        viewModel.traffic.observe(session, trafficObserver)
-     */
+        viewModel.placeLocation.observe(session, placeSearchObserver)
-    fun attachAllObservers(screen: androidx.car.app.Screen) {
+        viewModel.speedCameras.observe(session, speedCameraObserver)
-        viewModel.route.observe(screen, routeObserver)
+        viewModel.maxSpeed.observe(session, maxSpeedObserver)
-        viewModel.traffic.observe(screen, trafficObserver)
-        viewModel.placeLocation.observe(screen, placeSearchObserver)
-        viewModel.speedCameras.observe(screen, speedCameraObserver)
-        viewModel.maxSpeed.observe(screen, maxSpeedObserver)
     }
 
     /**

common/data/src/main/java/com/kouros/navigation/data/Data.kt

@@ -34,17 +34,18 @@ data class Places(
 @Serializable
 data class Place(
     var id: Long = 0,
-    var name: String? = null,
+    var name: String = "",
-    var category: String? = null,
+    var category: String = "",
     var latitude: Double = 0.0,
     var longitude: Double = 0.0,
-    var postalCode: String? = null,
+    var postalCode: String = "",
-    var city: String? = null,
+    var city: String = "",
-    var street: String? = null,
+    var street: String = "",
     var distance: Float = 0F,
     //var avatar: Uri? = null,
     var lastDate: Long = 0,
-    var routeIndex: Int = 0
+    var routeIndex: Int = 0,
+    var route: String = "",
 )
 
 data class ContactData(

common/data/src/main/java/com/kouros/navigation/utils/NavigationUtils.kt

@@ -3,7 +3,9 @@ package com.kouros.navigation.utils
 import android.content.Context
 import android.location.Location
 import android.location.LocationManager
+import android.util.Log
 import androidx.car.app.model.Distance
+import com.kouros.navigation.data.Constants.TAG
 import com.kouros.navigation.data.Constants.TILT
 import com.kouros.navigation.data.RouteEngine
 import com.kouros.navigation.data.osrm.OsrmRepository
@@ -141,7 +143,7 @@ fun duration(
     val cameraDuration = if ((lastBearing - bearing).absoluteValue > 20.0) {
         2.seconds
     } else {
-        1.seconds
+        1.2.seconds
         //val updateDuration = java.time.Duration.between(LocalDateTime.now(), lastLocationUpdate)
         //((updateDuration!!.toMillis().absoluteValue * 1.2).toDuration(DurationUnit.MILLISECONDS))
     }