DataStore Manager

common/data/build.gradle.kts

@@ -5,6 +5,7 @@ import org.jetbrains.kotlin.gradle.dsl.JvmTarget
 plugins {
     alias(libs.plugins.android.library)
     alias(libs.plugins.kotlin.android)
+    alias(libs.plugins.kotlin.compose)
     kotlin("plugin.serialization") version "2.2.21"
     kotlin("kapt")
 }
@@ -19,6 +20,10 @@ android {
         consumerProguardFiles("consumer-rules.pro")
     }
 
+    buildFeatures {
+        compose = true
+    }
+
     buildTypes {
         release {
             isMinifyEnabled = false
@@ -40,6 +45,10 @@ android {
 }
 
 dependencies {
+    val composeBom = platform(libs.androidx.compose.bom)
+    implementation(composeBom)
+    androidTestImplementation(composeBom)
+
     implementation(libs.androidx.core.ktx)
     implementation(libs.androidx.appcompat)
     implementation(libs.material)
@@ -49,6 +58,7 @@ dependencies {
     implementation(libs.koin.compose.viewmodel)
     implementation(libs.androidx.car.app)
     implementation(libs.android.sdk.turf)
+    implementation(libs.androidx.compose.runtime)
 
 
     // objectbox
@@ -56,6 +66,8 @@ dependencies {
     implementation(libs.androidx.material3)
     annotationProcessor(libs.objectbox.processor)
 
+    implementation(libs.androidx.datastore.preferences)
+
     implementation(libs.kotlinx.serialization.json)
     implementation(libs.maplibre.compose)
     implementation("androidx.compose.material:material-icons-extended:1.7.8")

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

@@ -139,7 +139,9 @@ object Constants {
     const val CAR_LOCATION = "CarLocation"
     const val ROUTING_ENGINE = "RoutingEngine"
 
-    const val NEXT_STEP_THRESHOLD = 120.0
+    const val LAST_ROUTE = "LastRoute"
+
+    const val NEXT_STEP_THRESHOLD = 500.0
 
     const val MAXIMAL_SNAP_CORRECTION = 50.0
 
@@ -157,3 +159,12 @@ object Constants {
 enum class RouteEngine {
     VALHALLA, OSRM, TOMTOM, GRAPHHOPPER
 }
+
+enum class NavigationThemeColor(val color: Long) {
+    RED(0xFFD32F2F),
+    ORANGE(0xFFF57C00),
+    YELLOW(0xFFFBC02D),
+    GREEN(0xFF388E3C),
+    BLUE(0xFF1976D2),
+    PURPLE(0xFF7B1FA2)
+}

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

@@ -18,7 +18,11 @@ package com.kouros.navigation.data
 
 import android.content.Context
 import android.location.Location
+import com.google.gson.GsonBuilder
 import com.kouros.data.R
+import com.kouros.navigation.data.osrm.OsrmRepository
+import com.kouros.navigation.data.osrm.OsrmResponse
+import com.kouros.navigation.data.osrm.OsrmRoute
 import com.kouros.navigation.model.RouteModel
 import com.kouros.navigation.utils.GeoUtils.calculateSquareRadius
 import java.net.Authenticator
@@ -50,10 +54,18 @@ abstract class NavigationRepository {
         searchFilter: SearchFilter,
         context: Context
     ): Double {
-       val route = getRoute(context, currentLocation, location, carOrientation, searchFilter)
-       val routeModel = RouteModel()
-       routeModel.startNavigation(route, context)
-       return routeModel.curRoute.summary.distance
+        val osrm = OsrmRepository()
+       val route = osrm.getRoute(context, currentLocation, location, carOrientation, searchFilter)
+        val gson = GsonBuilder().serializeNulls().create()
+        val osrmJson = gson.fromJson(route, OsrmResponse::class.java)
+        if (osrmJson.routes.isEmpty()) {
+            return 0.0
+        }
+        return osrmJson.routes.first().distance
+       // return osrmJson.destinations.first().distance?.toDouble() ?: 0.0
+       ///val routeModel = RouteModel()
+       //routeModel.startNavigation(route, context)
+       //return routeModel.curRoute.summary.distance
     }
 
     fun searchPlaces(search: String, location: Location): String {

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

@@ -99,8 +99,8 @@ data class Route(
         }
     }
 
-    fun nextStep(steps : Int): Step {
-        val nextIndex = currentStepIndex + steps
+    fun nextStep(add: Int): Step {
+        val nextIndex = currentStepIndex + add
         return if (isRouteValid() && nextIndex < legs().first().steps.size) {
             legs().first().steps[nextIndex]
         } else {

common/data/src/main/java/com/kouros/navigation/data/datastore/DataStoreManager.kt

@@ -0,0 +1,111 @@
+package com.kouros.navigation.data.datastore
+
+import android.content.Context
+import androidx.datastore.core.DataStore
+import androidx.datastore.preferences.core.Preferences
+import androidx.datastore.preferences.core.booleanPreferencesKey
+import androidx.datastore.preferences.core.edit
+import androidx.datastore.preferences.core.intPreferencesKey
+import androidx.datastore.preferences.preferencesDataStore
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.first
+import kotlinx.coroutines.flow.map
+
+private const val DATASTORE_NAME = "navigation_settings"
+
+
+/**
+ * Central manager for app settings using DataStore
+ */
+class DataStoreManager(private val context: Context) {
+
+    companion object {
+        private val Context.dataStore: DataStore<Preferences> by preferencesDataStore(name = DATASTORE_NAME)
+    }
+
+    // Keys
+    private object PreferencesKeys {
+
+        val THREED_BUILDING = booleanPreferencesKey("Show3D")
+        
+        val DARK_MODE = intPreferencesKey("DarkMode")
+
+        val AVOID_MOTORWAY = booleanPreferencesKey("AvoidMotorway")
+
+        val AVOID_TOLLWAY = booleanPreferencesKey("AvoidTollway")
+
+        val CAR_LOCATION = booleanPreferencesKey("CarLocation")
+
+        val ROUTING_ENGINE = intPreferencesKey("RoutingEngine")
+    }
+
+    // Read values
+
+    val threeDBuildingFlow: Flow<Boolean> =
+        context.dataStore.data.map { preferences ->
+            preferences[PreferencesKeys.THREED_BUILDING] == true
+        }
+    val darkModeFlow: Flow<Int> =
+        context.dataStore.data.map { preferences ->
+            preferences[PreferencesKeys.DARK_MODE]
+                ?: 0
+        }
+
+    val avoidMotorwayFlow: Flow<Boolean> =
+        context.dataStore.data.map { preferences ->
+            preferences[PreferencesKeys.AVOID_MOTORWAY] == true
+        }
+
+    val avoidTollwayFlow: Flow<Boolean> =
+        context.dataStore.data.map { preferences ->
+            preferences[PreferencesKeys.AVOID_TOLLWAY] == true
+        }
+
+    val useCarLocationFlow: Flow<Boolean> =
+        context.dataStore.data.map { preferences ->
+            preferences[PreferencesKeys.CAR_LOCATION] == true
+        }
+
+    val routingEngineFlow: Flow<Int> =
+        context.dataStore.data.map { preferences ->
+            preferences[PreferencesKeys.ROUTING_ENGINE]
+                ?: 0
+        }
+
+    // Save values
+    suspend fun setThreedBuilding(enabled: Boolean) {
+        context.dataStore.edit { preferences ->
+            preferences[PreferencesKeys.THREED_BUILDING] = enabled
+        }
+    }
+
+    suspend fun setDarkMode(mode: Int) {
+        context.dataStore.edit { prefs ->
+            prefs[PreferencesKeys.DARK_MODE] = mode
+        }
+    }
+
+    suspend fun setAvoidMotorway(enabled: Boolean) {
+        context.dataStore.edit { preferences ->
+            preferences[PreferencesKeys.AVOID_MOTORWAY] = enabled
+        }
+    }
+
+    suspend fun setAvoidTollway(enabled: Boolean) {
+        context.dataStore.edit { preferences ->
+            preferences[PreferencesKeys.AVOID_TOLLWAY] = enabled
+        }
+    }
+
+    suspend fun setCarLocation(enabled: Boolean) {
+        context.dataStore.edit { preferences ->
+            preferences[PreferencesKeys.CAR_LOCATION] = enabled
+        }
+    }
+
+    suspend fun setRoutingEngine(mode: Int) {
+        context.dataStore.edit { prefs ->
+            prefs[PreferencesKeys.ROUTING_ENGINE] = mode
+        }
+    }
+}

common/data/src/main/java/com/kouros/navigation/data/osrm/OsrmRepository.kt

@@ -5,7 +5,9 @@ import android.location.Location
 import com.kouros.navigation.data.NavigationRepository
 import com.kouros.navigation.data.SearchFilter
 
-private const val routeUrl = "https://kouros-online.de/osrm/route/v1/driving/"
+//private const val routeUrl = "https://kouros-online.de/osrm/route/v1/driving/"
+
+private const val routeUrl = "https://router.project-osrm.org/route/v1/driving/"
 
 class OsrmRepository : NavigationRepository() {
     override fun getRoute(
@@ -23,7 +25,7 @@ class OsrmRepository : NavigationRepository() {
         if (searchFilter.avoidTollway) {
             exclude = "$exclude&exclude=toll"
         }
-        val routeLocation = "${currentLocation.longitude},${currentLocation.latitude};${location.longitude},${location.latitude}?steps=true&alternatives=0"
+        val routeLocation = "${currentLocation.longitude},${currentLocation.latitude};${location.longitude},${location.latitude}?steps=true&alternatives=false"
         return fetchUrl(routeUrl + routeLocation + exclude, true)
     }
 

common/data/src/main/java/com/kouros/navigation/data/overpass/Overpass.kt

@@ -10,6 +10,7 @@ import java.net.URL
 class Overpass {
 
     //val overpassUrl = "https://overpass.kumi.systems/api/interpreter"
+    //val overpassUrl = "https://overpass-api.de/api"
     val overpassUrl = "https://kouros-online.de/overpass/interpreter"
 
 
@@ -43,13 +44,13 @@ class Overpass {
         val boundingBox = getBoundingBox(location.latitude, location.longitude, radius)
         val httpURLConnection = URL(overpassUrl).openConnection() as HttpURLConnection
         httpURLConnection.requestMethod = "POST"
+        // node["highway"="speed_camera"]
+        // node[amenity=$category]
+        httpURLConnection.setDoOutput(true);
         httpURLConnection.setRequestProperty(
             "Accept",
             "application/json"
         )
-        // node["highway"="speed_camera"]
-        // node[amenity=$category]
-        httpURLConnection.setDoOutput(true);
         // define search query
         val searchQuery = """
         |[out:json]; 
@@ -79,7 +80,7 @@ class Overpass {
 
             }
         } catch (e: Exception) {
-
+            println("Speed $e")
         }
         return emptyList()
     }

common/data/src/main/java/com/kouros/navigation/data/tomtom/TomTomRepository.kt

@@ -10,15 +10,14 @@ import com.kouros.navigation.utils.GeoUtils.calculateSquareRadius
 
 private const val routeUrl = "https://api.tomtom.com/routing/1/calculateRoute/"
 
-val tomtomApiKey = "678k5v6940cSXXIS5oD92qIrDgW3RBZ3"
+const val tomtomApiKey = "678k5v6940cSXXIS5oD92qIrDgW3RBZ3"
 
-val tomtomTrafficUrl = "https://api.tomtom.com/traffic/services/5/incidentDetails"
+const val tomtomTrafficUrl = "https://api.tomtom.com/traffic/services/5/incidentDetails"
 
-
-private val tomtomFields =
+private const val tomtomFields =
     "{incidents{type,geometry{type,coordinates},properties{iconCategory,events{description}}}}"
 
-const val useAsset = false
+const val useAsset = true
 
 class TomTomRepository : NavigationRepository() {
     override fun getRoute(

common/data/src/main/java/com/kouros/navigation/data/tomtom/TomTomRoute.kt

@@ -61,9 +61,7 @@ class TomTomRoute {
                 route.sections?.forEach { section ->
                     val lanes = mutableListOf<Lane>()
                     var startIndex = 0
-                    if (section.startPointIndex <= instruction.pointIndex - 3
-                        && instruction.pointIndex <= section.endPointIndex
-                    ) {
+
                         section.lanes?.forEach { itLane ->
                             val lane = Lane(
                                 location(
@@ -77,7 +75,7 @@ class TomTomRoute {
                             lanes.add(lane)
                         }
                         intersections.add(Intersection(waypoints[startIndex], lanes))
-                    }
+
                 }
                 allIntersections.addAll(intersections)
                 stepDistance = route.guidance.instructions[index].routeOffsetInMeters - stepDistance
@@ -166,13 +164,23 @@ class TomTomRoute {
                 newType = androidx.car.app.navigation.model.Maneuver.TYPE_TURN_SHARP_RIGHT
             }
 
-            "ROUNDABOUT_RIGHT" -> {
+            "ROUNDABOUT_RIGHT", "ROUNDABOUT_CROSS" -> {
                 newType = androidx.car.app.navigation.model.Maneuver.TYPE_ROUNDABOUT_ENTER_CCW
             }
 
             "ROUNDABOUT_LEFT" -> {
                 newType = androidx.car.app.navigation.model.Maneuver.TYPE_ROUNDABOUT_ENTER_CW
             }
+            "MAKE_UTURN" -> {
+                newType = androidx.car.app.navigation.model.Maneuver.TYPE_U_TURN_LEFT
+            }
+            "ENTER_MOTORWAY" -> {
+                newType = androidx.car.app.navigation.model.Maneuver.TYPE_MERGE_LEFT
+            }
+            "TAKE_EXIT" -> {
+                newType = androidx.car.app.navigation.model.Maneuver.TYPE_TURN_SHARP_RIGHT
+
+            }
         }
         return newType
     }

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

@@ -66,28 +66,17 @@ class IconMapper() {
 
                 currentTurnIcon = R.drawable.ic_roundabout_ccw
             }
-        }
-        return currentTurnIcon
-    }
-
-
-    fun addLanes(stepData: StepData) : Int {
-        stepData.lane.forEach {
-            if (it.indications.isNotEmpty() && it.valid) {
-                Collections.sort<String>(it.indications)
-                var direction = ""
-                it.indications.forEach { it2 ->
-                    direction = if (direction.isEmpty()) {
-                        it2.trim()
-                    } else {
-                        "${direction}_${it2.trim()}"
-                    }
-                }
-                val laneDirection = addLanes(direction, stepData)
-                return laneDirection
+            Maneuver.TYPE_U_TURN_LEFT -> {
+                currentTurnIcon = R.drawable.ic_turn_u_turn_left
+            }
+            Maneuver.TYPE_U_TURN_RIGHT -> {
+                currentTurnIcon = R.drawable.ic_turn_u_turn_right
+            }
+            Maneuver.TYPE_MERGE_LEFT -> {
+                currentTurnIcon = R.drawable.ic_turn_merge_symmetrical
             }
         }
-        return  0
+        return currentTurnIcon
     }
 
     fun addLanes(direction: String, stepData: StepData): Int {
@@ -112,6 +101,8 @@ class IconMapper() {
             "straight" -> {
                 when (stepData.currentManeuverType) {
                     Maneuver.TYPE_STRAIGHT -> LaneDirection.SHAPE_STRAIGHT
+                    Maneuver.TYPE_KEEP_LEFT -> LaneDirection.SHAPE_STRAIGHT
+                    Maneuver.TYPE_KEEP_RIGHT -> LaneDirection.SHAPE_STRAIGHT
                     else
                         -> LaneDirection.SHAPE_UNKNOWN
                 }
@@ -136,7 +127,8 @@ class IconMapper() {
 
             "left_slight", "slight_left" -> {
                 when (stepData.currentManeuverType) {
-                    Maneuver.TYPE_TURN_SLIGHT_LEFT -> LaneDirection.SHAPE_SLIGHT_LEFT
+                    Maneuver.TYPE_TURN_NORMAL_LEFT -> LaneDirection.SHAPE_SLIGHT_LEFT
+                    Maneuver.TYPE_KEEP_LEFT -> LaneDirection.SHAPE_SLIGHT_LEFT
                     else
                         -> LaneDirection.SHAPE_UNKNOWN
                 }

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

@@ -2,6 +2,7 @@ package com.kouros.navigation.model
 
 import android.content.Context
 import android.location.Location
+import androidx.car.app.CarContext
 import androidx.compose.runtime.snapshots.SnapshotStateList
 import androidx.compose.runtime.toMutableStateList
 import androidx.lifecycle.MutableLiveData
@@ -18,21 +19,21 @@ import com.kouros.navigation.data.nominatim.Search
 import com.kouros.navigation.data.nominatim.SearchResult
 import com.kouros.navigation.data.overpass.Elements
 import com.kouros.navigation.data.overpass.Overpass
-import com.kouros.navigation.data.tomtom.Features
-import com.kouros.navigation.data.tomtom.Traffic
-import com.kouros.navigation.data.tomtom.TrafficData
-import com.kouros.navigation.utils.GeoUtils.createPointCollection
 import com.kouros.navigation.utils.Levenshtein
 import com.kouros.navigation.utils.NavigationUtils
+import com.kouros.navigation.utils.getSettingsRepository
+import com.kouros.navigation.utils.getSettingsViewModel
 import com.kouros.navigation.utils.location
 import io.objectbox.kotlin.boxFor
 import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.first
 import kotlinx.coroutines.launch
+import kotlinx.coroutines.runBlocking
 import org.maplibre.geojson.FeatureCollection
 import java.time.LocalDateTime
 import java.time.ZoneOffset
 
-class ViewModel(private val repository: NavigationRepository) : ViewModel() {
+class NavigationViewModel(private val repository: NavigationRepository) : ViewModel() {
 
     val route: MutableLiveData<String> by lazy {
         MutableLiveData()
@@ -457,14 +458,9 @@ class ViewModel(private val repository: NavigationRepository) : ViewModel() {
     }
 
     fun getSearchFilter(context: Context): SearchFilter {
-        val avoidMotorway = NavigationUtils.getBooleanKeyValue(
-            context = context,
-            Constants.AVOID_MOTORWAY
-        )
-        val avoidTollway = NavigationUtils.getBooleanKeyValue(
-            context = context,
-            Constants.AVOID_TOLLWAY
-        )
+        val repository = getSettingsRepository(context)
+        val avoidMotorway = runBlocking {  repository.avoidMotorwayFlow.first() }
+        val avoidTollway = runBlocking {  repository.avoidTollwayFlow.first() }
         return SearchFilter(avoidMotorway, avoidTollway)
     }
 

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

@@ -90,7 +90,7 @@ class RouteCalculator(var routeModel: RouteModel) {
         return nowUtcMillis + timeToDestinationMillis
     }
 
-    fun updateSpeedLimit(location: Location, viewModel: ViewModel) {
+    fun updateSpeedLimit(location: Location, viewModel: NavigationViewModel) {
         if (routeModel.isNavigating()) {
             // speed limit
             val distance = lastSpeedLocation.distanceTo(location)

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

@@ -4,15 +4,19 @@ import android.content.Context
 import android.location.Location
 import androidx.car.app.navigation.model.Maneuver
 import com.kouros.navigation.data.Constants.NEXT_STEP_THRESHOLD
-import com.kouros.navigation.data.Constants.ROUTING_ENGINE
 import com.kouros.navigation.data.Place
 import com.kouros.navigation.data.Route
 import com.kouros.navigation.data.StepData
+import com.kouros.navigation.data.datastore.DataStoreManager
 import com.kouros.navigation.data.route.Lane
 import com.kouros.navigation.data.route.Leg
 import com.kouros.navigation.data.route.Routes
-import com.kouros.navigation.utils.NavigationUtils.getIntKeyValue
+import com.kouros.navigation.repository.SettingsRepository
+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.runBlocking
 import kotlin.math.absoluteValue
 
 open class RouteModel {
@@ -20,7 +24,7 @@ open class RouteModel {
     // Immutable Data Class
     data class NavigationState(
         val route: Route = Route.Builder().buildEmpty(),
-        val iconMapper : IconMapper = IconMapper(),
+        val iconMapper: IconMapper = IconMapper(),
         val navigating: Boolean = false,
         val arrived: Boolean = false,
         val travelMessage: String = "",
@@ -37,7 +41,7 @@ open class RouteModel {
     val route: Route
         get() = navState.route
 
-    val routeCalculator : RouteCalculator = RouteCalculator(this)
+    val routeCalculator: RouteCalculator = RouteCalculator(this)
 
     val curRoute: Routes
         get() = navState.route.routes[navState.currentRouteIndex]
@@ -46,38 +50,98 @@ open class RouteModel {
         get() = navState.route.routes[navState.currentRouteIndex].legs.first()
 
     fun startNavigation(routeString: String, context: Context) {
-        val routeEngine = getIntKeyValue(context = context, ROUTING_ENGINE)
+        val repository = getSettingsRepository(context)
+        val routingEngine = runBlocking {  repository.routingEngineFlow.first() }
         navState = navState.copy(
             route = Route.Builder()
-                .routeEngine(routeEngine)
+                .routeEngine(routingEngine)
                 .route(routeString)
                 .build()
         )
         if (hasLegs()) {
             navState = navState.copy(navigating = true)
+            //NavigationUtils.setStringKeyValue(context, routeString, LAST_ROUTE)
         }
     }
 
     private fun hasLegs(): Boolean {
-          return navState.route.routes.isNotEmpty() && navState.route.routes[0].legs.isNotEmpty()
+        return navState.route.routes.isNotEmpty() && navState.route.routes[0].legs.isNotEmpty()
     }
 
-    fun stopNavigation() {
+    fun stopNavigation(context: Context) {
         navState = navState.copy(
             route = Route.Builder().buildEmpty(),
             navigating = false,
             arrived = false,
             maneuverType = Maneuver.TYPE_UNKNOWN
         )
+        //NavigationUtils.setStringKeyValue(context, "", LAST_ROUTE)
     }
 
-    fun updateLocation(curLocation: Location, viewModel: ViewModel) {
+    fun updateLocation(context: Context, curLocation: Location, viewModel: NavigationViewModel) {
         navState = navState.copy(currentLocation = curLocation)
         routeCalculator.findStep(curLocation)
-        routeCalculator.updateSpeedLimit(curLocation, viewModel)
+        val repository = getSettingsRepository(context)
+        val carLocation = runBlocking {  repository.carLocationFlow.first() }
+        if (carLocation) {
+            routeCalculator.updateSpeedLimit(curLocation, viewModel)
+        }
         navState = navState.copy(lastLocation = navState.currentLocation)
     }
 
+    fun currentStep(): StepData {
+        val distanceToNextStep = routeCalculator.leftStepDistance()
+        // Determine the maneuver type and corresponding icon
+        val currentStep = navState.route.nextStep(0)
+        val streetName = if (distanceToNextStep > NEXT_STEP_THRESHOLD) {
+            currentStep.street
+        } else {
+            currentStep.maneuver.street
+        }
+        val curManeuverType = if (distanceToNextStep > NEXT_STEP_THRESHOLD) {
+            Maneuver.TYPE_STRAIGHT
+        } else {
+            currentStep.maneuver.type
+        }
+        val exitNumber = currentStep.maneuver.exit
+        val maneuverIcon = navState.iconMapper.maneuverIcon(curManeuverType)
+        navState = navState.copy(maneuverType = curManeuverType)
+        // Construct and return the final StepData object
+        return StepData(
+            instruction = streetName,
+            leftStepDistance = distanceToNextStep,
+            currentManeuverType = navState.maneuverType,
+            icon = maneuverIcon,
+            arrivalTime = routeCalculator.arrivalTime(),
+            leftDistance = routeCalculator.travelLeftDistance(),
+            lane = currentLanes(),
+            exitNumber = exitNumber
+        )
+    }
+
+    fun nextStep(): StepData {
+        val distanceToNextStep = routeCalculator.leftStepDistance()
+        val step = navState.route.nextStep(1)
+        val streetName = if (distanceToNextStep < NEXT_STEP_THRESHOLD) {
+            step.maneuver.street
+        } else {
+            step.street
+        }
+        val maneuverType = step.maneuver.type
+
+        val maneuverIcon = navState.iconMapper.maneuverIcon(maneuverType)
+        // Construct and return the final StepData object
+        return StepData(
+            instruction = streetName,
+            leftStepDistance = distanceToNextStep,
+            currentManeuverType = maneuverType,
+            icon = maneuverIcon,
+            arrivalTime = routeCalculator.arrivalTime(),
+            leftDistance = routeCalculator.travelLeftDistance(),
+            exitNumber = step.maneuver.exit
+        )
+    }
+
     private fun currentLanes(): List<Lane> {
         var lanes = emptyList<Lane>()
         if (navState.route.legs().isNotEmpty()) {
@@ -87,7 +151,7 @@ open class RouteModel {
                         navState.lastLocation.distanceTo(location(it.location[0], it.location[1]))
                     val sectionBearing =
                         navState.lastLocation.bearingTo(location(it.location[0], it.location[1]))
-                    if (distance < 500 && (navState.routeBearing.absoluteValue - sectionBearing.absoluteValue).absoluteValue < 10) {
+                    if (distance < NEXT_STEP_THRESHOLD && (navState.routeBearing.absoluteValue - sectionBearing.absoluteValue).absoluteValue < 10) {
                         lanes = it.lane
                     }
                 }
@@ -96,61 +160,6 @@ open class RouteModel {
         return lanes
     }
 
-    fun currentStep(): StepData {
-        val distanceToNextStep = routeCalculator.leftStepDistance()
-        // Determine the maneuver type and corresponding icon
-        val currentStep = navState.route.nextStep(0)
-        // Safely get the street name from the maneuver
-        val streetName = currentStep.maneuver.street
-        val curManeuverType = currentStep.maneuver.type
-        val exitNumber = currentStep.maneuver.exit
-        val maneuverIcon = navState.iconMapper.maneuverIcon(curManeuverType)
-        navState =  navState.copy(maneuverType = curManeuverType)
-
-        val lanes = currentLanes()
-
-        // Construct and return the final StepData object
-        return StepData(
-            streetName,
-            distanceToNextStep,
-            navState.maneuverType,
-            maneuverIcon,
-            routeCalculator.arrivalTime(),
-            routeCalculator.travelLeftDistance(),
-            lanes,
-            exitNumber
-        )
-    }
-
-    fun nextStep(): StepData {
-        val step = navState.route.nextStep(1)
-        val maneuverType = step.maneuver.type
-        val distanceLeft = routeCalculator.leftStepDistance()
-        var text = ""
-        when (distanceLeft) {
-            in 0.0..NEXT_STEP_THRESHOLD -> {
-            }
-            else -> {
-                if (step.street.isNotEmpty()) {
-                    text = step.street
-                }
-            }
-        }
-
-        val maneuverIcon = navState.iconMapper.maneuverIcon(maneuverType)
-        // Construct and return the final StepData object
-        return StepData(
-            text,
-            distanceLeft,
-            maneuverType,
-            maneuverIcon,
-            routeCalculator.arrivalTime(),
-            routeCalculator.travelLeftDistance(),
-            listOf(Lane(location(0.0, 0.0), valid = false, indications = emptyList())),
-            step.maneuver.exit
-        )
-    }
-
     fun isNavigating(): Boolean {
         return navState.navigating
     }

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

@@ -0,0 +1,72 @@
+package com.kouros.navigation.model
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.kouros.navigation.repository.SettingsRepository
+import kotlinx.coroutines.flow.SharingStarted
+import kotlinx.coroutines.flow.stateIn
+import kotlinx.coroutines.launch
+
+class SettingsViewModel(private val repository: SettingsRepository) : ViewModel() {
+
+    val threedBuilding = repository.threedBuildingFlow.stateIn(
+        viewModelScope,
+        SharingStarted.WhileSubscribed(5_000),
+        false
+    )
+
+    val darkMode = repository.darkModeFlow.stateIn(
+        viewModelScope,
+        SharingStarted.WhileSubscribed(5_000),
+        0
+    )
+
+    val avoidMotorway = repository.avoidMotorwayFlow.stateIn(
+        viewModelScope,
+        SharingStarted.WhileSubscribed(5_000),
+        false
+    )
+
+    val avoidTollway = repository.avoidTollwayFlow.stateIn(
+        viewModelScope,
+        SharingStarted.WhileSubscribed(5_000),
+        false
+    )
+
+    val carLocation = repository.carLocationFlow.stateIn(
+        viewModelScope,
+        SharingStarted.WhileSubscribed(5_000),
+        false
+    )
+
+    val routingEngine = repository.routingEngineFlow.stateIn(
+        viewModelScope,
+        SharingStarted.WhileSubscribed(5_000),
+        0
+    )
+
+    fun onThreedBuildingChanged(enabled: Boolean) {
+        viewModelScope.launch { repository.setThreedBuilding(enabled) }
+    }
+
+
+    fun onDarkModeChanged(mode: Int) {
+        viewModelScope.launch { repository.setDarkMode(mode) }
+    }
+
+    fun onAvoidMotorway(enabled: Boolean) {
+        viewModelScope.launch { repository.setAvoidMotorway(enabled) }
+    }
+
+    fun onAvoidTollway(enabled: Boolean) {
+        viewModelScope.launch { repository.setAvoidTollway(enabled) }
+    }
+
+    fun onCarLocation(enabled: Boolean) {
+        viewModelScope.launch { repository.setCarLocation(enabled) }
+    }
+
+    fun onRoutingEngineChanged(mode: Int) {
+        viewModelScope.launch { repository.setRoutingEngine(mode) }
+    }
+}

common/data/src/main/java/com/kouros/navigation/repository/SettingsRepository.kt

@@ -0,0 +1,52 @@
+package com.kouros.navigation.repository
+
+import com.kouros.navigation.data.datastore.DataStoreManager
+import kotlinx.coroutines.flow.Flow
+
+class SettingsRepository(
+    private val dataStoreManager: DataStoreManager
+) {
+
+    val threedBuildingFlow: Flow<Boolean> =
+        dataStoreManager.threeDBuildingFlow
+    val darkModeFlow: Flow<Int> =
+        dataStoreManager.darkModeFlow
+
+    val avoidMotorwayFlow: Flow<Boolean> =
+        dataStoreManager.avoidMotorwayFlow
+
+    val avoidTollwayFlow: Flow<Boolean> =
+        dataStoreManager.avoidTollwayFlow
+
+    val carLocationFlow: Flow<Boolean> =
+        dataStoreManager.useCarLocationFlow
+
+    val routingEngineFlow: Flow<Int> =
+        dataStoreManager.routingEngineFlow
+
+
+    suspend fun setThreedBuilding(enabled: Boolean) {
+        dataStoreManager.setThreedBuilding(enabled)
+    }
+
+    suspend fun setDarkMode(mode: Int) {
+        dataStoreManager.setDarkMode(mode)
+    }
+
+    suspend fun setAvoidMotorway(enabled: Boolean) {
+        dataStoreManager.setAvoidMotorway(enabled)
+    }
+
+    suspend fun setAvoidTollway(enabled: Boolean) {
+        dataStoreManager.setAvoidTollway(enabled)
+    }
+
+    suspend fun setCarLocation(enabled: Boolean) {
+        dataStoreManager.setCarLocation(enabled)
+    }
+
+    suspend fun setRoutingEngine(mode: Int) {
+        dataStoreManager.setRoutingEngine(mode)
+    }
+
+}

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

@@ -3,14 +3,20 @@ package com.kouros.navigation.utils
 import android.content.Context
 import android.location.Location
 import android.location.LocationManager
+import androidx.car.app.CarContext
 import androidx.core.content.edit
 import com.kouros.navigation.data.Constants.ROUTING_ENGINE
 import com.kouros.navigation.data.Constants.SHARED_PREF_KEY
 import com.kouros.navigation.data.RouteEngine
+import com.kouros.navigation.data.datastore.DataStoreManager
 import com.kouros.navigation.data.osrm.OsrmRepository
 import com.kouros.navigation.data.tomtom.TomTomRepository
 import com.kouros.navigation.data.valhalla.ValhallaRepository
-import com.kouros.navigation.model.ViewModel
+import com.kouros.navigation.model.NavigationViewModel
+import com.kouros.navigation.model.SettingsViewModel
+import com.kouros.navigation.repository.SettingsRepository
+import kotlinx.coroutines.flow.first
+import kotlinx.coroutines.runBlocking
 import java.time.LocalDateTime
 import java.time.ZoneId
 import java.time.ZoneOffset
@@ -26,60 +32,15 @@ import kotlin.time.Duration.Companion.seconds
 
 object NavigationUtils {
 
-    fun getViewModel(context: Context): ViewModel {
-        val  routeEngine = getIntKeyValue(context = context, ROUTING_ENGINE)
+    fun getViewModel(context: Context): NavigationViewModel {
+        val repository = getSettingsRepository(context)
+        val routeEngine = runBlocking {  repository.routingEngineFlow.first() }
         return when (routeEngine) {
-            RouteEngine.VALHALLA.ordinal -> ViewModel(ValhallaRepository())
-            RouteEngine.OSRM.ordinal -> ViewModel(OsrmRepository())
-            else -> ViewModel(TomTomRepository())
+            RouteEngine.VALHALLA.ordinal -> NavigationViewModel(ValhallaRepository())
+            RouteEngine.OSRM.ordinal -> NavigationViewModel(OsrmRepository())
+            else -> NavigationViewModel(TomTomRepository())
         }
     }
-
-    fun getBooleanKeyValue(context: Context, key: String): Boolean {
-        return context
-            .getSharedPreferences(
-                SHARED_PREF_KEY,
-                Context.MODE_PRIVATE
-            )
-            .getBoolean(key, false)
-    }
-
-    fun setBooleanKeyValue(context: Context, `val`: Boolean, key: String) {
-        context
-            .getSharedPreferences(
-                SHARED_PREF_KEY,
-                Context.MODE_PRIVATE
-            )
-            .edit {
-                putBoolean(
-                    key, `val`
-                )
-                apply()
-            }
-    }
-
-    fun getIntKeyValue(context: Context, key: String, default: Int = 0): Int {
-        return context
-            .getSharedPreferences(
-                SHARED_PREF_KEY,
-                Context.MODE_PRIVATE
-            )
-            .getInt(key, default)
-    }
-
-    fun setIntKeyValue(context: Context, `val`: Int, key: String) {
-        context
-            .getSharedPreferences(
-                SHARED_PREF_KEY,
-                Context.MODE_PRIVATE
-            )
-            .edit {
-                putInt(
-                    key, `val`
-                )
-                apply()
-            }
-    }
 }
 
 fun calculateZoom(speed: Double?): Double {
@@ -90,8 +51,8 @@ fun calculateZoom(speed: Double?): Double {
     val zoom = when (speedKmh) {
         in 0..10 -> 18.0
         in 11..30 -> 17.5
-        in 31..50 -> 17.0
-        in 61..70 -> 16.5
+        in 31..65 -> 17.0
+        in 66..70 -> 16.5
         else -> 16.0
     }
     return zoom

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

@@ -0,0 +1,45 @@
+package com.kouros.navigation.utils
+
+import android.content.Context
+import androidx.car.app.CarContext
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.remember
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.ViewModelProvider
+import androidx.lifecycle.ViewModelStoreOwner
+import androidx.lifecycle.viewmodel.compose.viewModel
+import com.kouros.navigation.data.datastore.DataStoreManager
+import com.kouros.navigation.model.SettingsViewModel
+import com.kouros.navigation.repository.SettingsRepository
+import kotlinx.coroutines.flow.first
+import kotlinx.coroutines.runBlocking
+
+
+@Composable
+fun settingsViewModel(context: CarContext, viewModelStoreOwner: ViewModelStoreOwner) : SettingsViewModel {
+    val dataStoreManager = remember { DataStoreManager(context) }
+    val repository = remember { SettingsRepository(dataStoreManager) }
+    val settingsViewModel: SettingsViewModel = viewModel(
+        viewModelStoreOwner,
+        factory = object : ViewModelProvider.Factory {
+            override fun <T : ViewModel> create(modelClass: Class<T>): T {
+                @Suppress("UNCHECKED_CAST")
+                return SettingsViewModel(repository) as T
+            }
+        }
+    )
+    return settingsViewModel
+}
+
+fun getSettingsViewModel(context: Context) : SettingsViewModel {
+    val dataStoreManager = DataStoreManager(context)
+    val repository =  SettingsRepository(dataStoreManager)
+    return SettingsViewModel( repository)
+}
+
+fun getSettingsRepository(context: Context) : SettingsRepository {
+    val dataStore = DataStoreManager(context)
+    return SettingsRepository(dataStore)
+}
+
+