Testing, Remove ObjectBox

app/build.gradle.kts

@@ -2,7 +2,6 @@ import org.jetbrains.kotlin.gradle.dsl.JvmTarget
 
 plugins {
     alias(libs.plugins.android.application)
-    alias(libs.plugins.kotlin.android)
     alias(libs.plugins.kotlin.compose)
  }
 
@@ -14,8 +13,8 @@ android {
         applicationId = "com.kouros.navigation"
         minSdk = 33
         targetSdk = 36
-        versionCode = 50
+        versionCode = 56
-        versionName = "0.2.0.50"
+        versionName = "0.2.0.56"
         base.archivesName = "navi-$versionName"
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
     }
@@ -37,7 +36,11 @@ android {
 
     buildTypes {
         release {
+            // Enables code-related app optimization.
             isMinifyEnabled = false
+            // Enables resource shrinking.
+            isShrinkResources = false
+
             proguardFiles(
                 getDefaultProguardFile("proguard-android-optimize.txt"),
                 "proguard-rules.pro"
@@ -59,14 +62,10 @@ android {
         }
     }
     compileOptions {
-        sourceCompatibility = JavaVersion.VERSION_11
+        sourceCompatibility = JavaVersion.VERSION_21
-        targetCompatibility = JavaVersion.VERSION_11
+        targetCompatibility = JavaVersion.VERSION_21
-    }
-    kotlin {
-        compilerOptions {
-            jvmTarget = JvmTarget.JVM_11
-        }
     }
+
     buildFeatures {
         compose = true
     }
@@ -81,8 +80,7 @@ dependencies {
     implementation(libs.androidx.runtime.livedata)
     implementation(libs.koin.androidx.compose)
     implementation(libs.maplibre.compose)
-    //implementation(libs.maplibre.composeMaterial3)
+
-    implementation(libs.androidx.app.projected)
     implementation(libs.accompanist.permissions)
 
     implementation(project(":common:data"))
@@ -95,7 +93,7 @@ dependencies {
     implementation(libs.androidx.compose.ui.graphics)
     implementation(libs.androidx.window)
     implementation(libs.androidx.compose.foundation.layout)
-    implementation("com.github.ticofab:android-gpx-parser:2.3.1")
+    implementation(libs.android.gpx.parser)
     implementation(libs.androidx.navigation.compose)
     implementation(libs.kotlinx.serialization.json)
     implementation(libs.androidx.compose.foundation.layout)

app/src/main/java/com/kouros/navigation/MainApplication.kt

@@ -2,7 +2,6 @@ package com.kouros.navigation
 
 import android.app.Application
 import android.content.Context
-import com.kouros.navigation.data.ObjectBox
 import com.kouros.navigation.di.appModule
 import com.kouros.navigation.model.NavigationViewModel
 import com.kouros.navigation.utils.NavigationUtils.getViewModel
@@ -15,7 +14,6 @@ class MainApplication : Application() {
 
     override fun onCreate() {
         super.onCreate()
-        ObjectBox.init(this)
         appContext = applicationContext
         navigationViewModel = getViewModel(appContext!!)
         startKoin {

app/src/main/java/com/kouros/navigation/model/Simulation.kt

@@ -36,7 +36,6 @@ fun test(applicationContext: Context, routeModel: RouteModel) {
     for ((index, step) in routeModel.curLeg.steps.withIndex()) {
         for ((windex, waypoint) in step.maneuver.waypoints.withIndex()) {
             routeModel.updateLocation(
-                applicationContext,
                 location(waypoint[0], waypoint[1]), navigationViewModel
             )
             val step = routeModel.currentStep()
@@ -81,7 +80,6 @@ fun testSingleUpdate(
         mock.setMockLocation(latitude, longitude, 0F)
     } else {
         routeModel.updateLocation(
-            applicationContext,
             location(longitude, latitude), navigationViewModel
         )
     }
@@ -110,10 +108,8 @@ fun gpx(context: Context, mock: MockLocation) {
                             speed = ext.speed
                             mock.curSpeed = speed.toFloat()
                         }
-
                         val duration = p.time.millis - lastTime.millis
                         val bearing = lastLocation.bearingTo(curLocation)
-                        println("Bearing $bearing")
                         mock.setMockLocation(p.latitude, p.longitude, bearing)
                         if (duration > 0) {
                             delay(duration / 5)

app/src/main/java/com/kouros/navigation/ui/MainActivity.kt

@@ -66,9 +66,12 @@ import com.kouros.navigation.ui.navigation.AppNavGraph
 import com.kouros.navigation.ui.theme.NavigationTheme
 import com.kouros.navigation.utils.GeoUtils.snapLocation
 import com.kouros.navigation.utils.bearing
+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 kotlinx.coroutines.runBlocking
 import org.maplibre.compose.camera.CameraPosition
 import org.maplibre.compose.location.DesiredAccuracy
 import org.maplibre.compose.location.Location
@@ -83,7 +86,7 @@ class MainActivity : ComponentActivity() {
     val routeModel = RouteModel()
     var tilt = 50.0
     val useMock = false
-    val type = SimulationType.GPX
+    val type = SimulationType.SIMULATE
 
     val stepData: MutableLiveData<StepData> by lazy {
         MutableLiveData()
@@ -95,7 +98,13 @@ class MainActivity : ComponentActivity() {
     var lastLocation = location(0.0, 0.0)
     val observer = Observer<String> { newRoute ->
         if (newRoute.isNotEmpty()) {
-            routeModel.startNavigation(newRoute, applicationContext)
+            val repository = getSettingsRepository(applicationContext)
+            val routingEngine = runBlocking {  repository.routingEngineFlow.first() }
+            routeModel.navState = routeModel.navState.copy(routingEngine = routingEngine)
+            routeModel.startNavigation(newRoute)
+            if (routeModel.hasLegs()) {
+                getSettingsViewModel(applicationContext).onLastRouteChanged(newRoute)
+            }
             routeData.value = routeModel.curRoute.routeGeoJson
             if (useMock) {
                 when (type) {
@@ -189,7 +198,7 @@ class MainActivity : ComponentActivity() {
         val scaffoldState = rememberBottomSheetScaffoldState()
         val snackbarHostState = remember { SnackbarHostState() }
         val scope = rememberCoroutineScope()
-        val sheetPeekHeight = 250.dp
+        val sheetPeekHeight = 180.dp
         val sheetPeekHeightState = remember { mutableStateOf(sheetPeekHeight) }
 
         val locationProvider = rememberDefaultLocationProvider(
@@ -324,7 +333,7 @@ class MainActivity : ComponentActivity() {
 
         with(routeModel) {
             if (isNavigating()) {
-                updateLocation(applicationContext, currentLocation, navigationViewModel)
+                updateLocation( currentLocation, navigationViewModel)
                 stepData.value = currentStep()
                 nextStepData.value = nextStep()
                 if (navState.maneuverType in 39..42 && routeCalculator.leftStepDistance() < DESTINATION_ARRIVAL_DISTANCE) {
@@ -352,7 +361,8 @@ class MainActivity : ComponentActivity() {
         val latitude = routeModel.curRoute.waypoints[0][1]
         val longitude = routeModel.curRoute.waypoints[0][0]
         closeSheet()
-        routeModel.stopNavigation(applicationContext)
+        routeModel.stopNavigation()
+        getSettingsViewModel(applicationContext).onLastRouteChanged("")
         if (useMock) {
             mock.setMockLocation(latitude, longitude, 0F)
         }

app/src/main/java/com/kouros/navigation/ui/SearchSheet.kt

@@ -97,7 +97,7 @@ fun Home(
 ) {
     Row(horizontalArrangement = Arrangement.SpaceBetween) {
         Button(onClick = {
-            val places = viewModel.loadRecentPlace()
+            val places = viewModel.loadRecentPlace(applicationContext)
             val toLocation = location(places.first()!!.longitude, places.first()!!.latitude)
             viewModel.loadRoute(applicationContext, location, toLocation, 0F)
             closeSheet()
@@ -211,7 +211,7 @@ private fun SearchPlaces(
                                     city = place.address.city,
                                     street = place.address.road
                                 )
-                                viewModel.saveRecent(pl)
+                                viewModel.saveRecent(context,pl)
                                 val toLocation =
                                     location(place.lon.toDouble(), place.lat.toDouble())
                                 viewModel.loadRoute(context, location, toLocation, 0F)

automotive/build.gradle.kts

@@ -2,7 +2,6 @@ import org.jetbrains.kotlin.gradle.dsl.JvmTarget
 
 plugins {
     alias(libs.plugins.android.application)
-    alias(libs.plugins.kotlin.android)
 }
 
 android {
@@ -31,13 +30,8 @@ android {
         }
     }
     compileOptions {
-        sourceCompatibility = JavaVersion.VERSION_11
+        sourceCompatibility = JavaVersion.VERSION_21
-        targetCompatibility = JavaVersion.VERSION_11
+        targetCompatibility = JavaVersion.VERSION_21
-    }
-    kotlin {
-        compilerOptions {
-            jvmTarget = JvmTarget.JVM_11
-        }
     }
 }
 

build.gradle.kts

@@ -2,17 +2,15 @@
 
 plugins {
     alias(libs.plugins.android.application) apply false
-    alias(libs.plugins.kotlin.android) apply false
     alias(libs.plugins.kotlin.compose) apply false
     alias(libs.plugins.android.library) apply false
 }
 
 buildscript {
-    val objectboxVersion by extra("5.0.1") // For KTS build scripts
+
 
     dependencies {
         classpath(libs.gradle)
-        classpath("io.objectbox:objectbox-gradle-plugin:$objectboxVersion")
     }
 }
 

common/car/build.gradle.kts

@@ -1,8 +1,5 @@
-import org.jetbrains.kotlin.gradle.dsl.JvmTarget
-
 plugins {
     alias(libs.plugins.android.library)
-    alias(libs.plugins.kotlin.android)
     alias(libs.plugins.kotlin.compose)
 }
 
@@ -26,13 +23,8 @@ android {
         }
     }
     compileOptions {
-        sourceCompatibility = JavaVersion.VERSION_11
+        sourceCompatibility = JavaVersion.VERSION_21
-        targetCompatibility = JavaVersion.VERSION_11
+        targetCompatibility = JavaVersion.VERSION_21
-    }
-    kotlin {
-        compilerOptions {
-            jvmTarget = JvmTarget.JVM_11
-        }
     }
     buildFeatures {
         compose = true
@@ -46,8 +38,7 @@ dependencies {
     implementation(libs.androidx.lifecycle.runtime.ktx)
     implementation(libs.androidx.ui)
     implementation(libs.maplibre.compose)
-    //implementation(libs.maplibre.composeMaterial3)
+    implementation(libs.androidx.app.projected)
-
     implementation(project(":common:data"))
     implementation(libs.androidx.runtime.livedata)
     implementation(libs.androidx.compose.foundation)
@@ -56,6 +47,11 @@ dependencies {
     implementation(libs.androidx.compose.ui.text)
     implementation(libs.play.services.location)
     implementation(libs.androidx.datastore.core)
+    implementation(libs.androidx.monitor)
     androidTestImplementation(libs.androidx.junit)
     testImplementation(libs.junit)
+    testImplementation(libs.mockito.core)
+    testImplementation(libs.mockito.kotlin)
+    androidTestImplementation(libs.androidx.runner)
+    androidTestImplementation(libs.androidx.rules)
 }

common/car/src/androidTest/java/com/kouros/navigation/car/GeoUtilsTest.kt

@@ -0,0 +1,44 @@
+package com.kouros.navigation.car
+
+import android.location.Location
+import android.location.LocationManager
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import com.kouros.navigation.utils.GeoUtils
+import org.junit.Assert.assertEquals
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.maplibre.geojson.Point
+
+@RunWith(AndroidJUnit4::class)
+class GeoUtilsTest {
+
+    @Test
+    fun snapLocation() {
+        val location = Location(LocationManager.GPS_PROVIDER)
+        location.latitude = 48.18600
+        location.longitude = 11.57844
+
+        val stepCoordinates = listOf(
+            Point.fromLngLat(11.57841, 48.18557),
+            Point.fromLngLat(11.57844, 48.18566),
+            Point.fromLngLat(11.57848, 48.18595),
+            Point.fromLngLat(11.57848, 48.18604),
+            Point.fromLngLat(11.57857, 48.18696),
+        )
+        val result = GeoUtils.snapLocation(location, stepCoordinates)
+        assertEquals(result.latitude, 48.18599999996868, 0.0001)
+
+    }
+
+    @Test
+    fun `createCenterLocation calculates center of GeoJSON`() {
+        val geoJson =
+            """{"type":"FeatureCollection","features":[{"type":"Feature","geometry":{"type":"Point","coordinates":[11.0,48.0]},"properties":{}},{"type":"Feature","geometry":{"type":"Point","coordinates":[11.1,48.1]},"properties":{}}]}"""
+
+        val result = GeoUtils.createCenterLocation(geoJson)
+
+        // Center should be roughly halfway between the two points
+        assertEquals(48.05, result.latitude, 0.01)
+        assertEquals(11.05, result.longitude, 0.01)
+    }
+}

common/car/src/androidTest/java/com/kouros/navigation/car/RouteModelTest.kt

@@ -0,0 +1,144 @@
+package com.kouros.navigation.car
+
+import android.location.Location
+import android.location.LocationManager
+import androidx.car.app.navigation.model.Maneuver
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import com.kouros.data.R
+import com.kouros.navigation.data.Constants.homeHohenwaldeck
+import com.kouros.navigation.data.Constants.homeVogelhart
+import com.kouros.navigation.data.RouteEngine
+import com.kouros.navigation.data.tomtom.TomTomRepository
+import com.kouros.navigation.model.NavigationViewModel
+import com.kouros.navigation.model.RouteModel
+import com.kouros.navigation.utils.getSettingsRepository
+import com.kouros.navigation.utils.location
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.runBlocking
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+import org.junit.Before
+import kotlin.collections.forEach
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class RouteModelTest {
+
+    val routeModel = RouteModel()
+    val location = Location(LocationManager.GPS_PROVIDER)
+
+    @Before
+    fun setup() {
+        val appContext = InstrumentationRegistry.getInstrumentation().targetContext
+        val repository = getSettingsRepository(appContext)
+        runBlocking { repository.setRoutingEngine(RouteEngine.TOMTOM.ordinal) }
+        val routeJson = appContext.resources.openRawResource(R.raw.tomom_routing)
+        val routeJsonString = routeJson.bufferedReader().use { it.readText() }
+        assertNotEquals("", routeJsonString)
+        routeModel.navState = routeModel.navState.copy(routingEngine = RouteEngine.TOMTOM.ordinal)
+        routeModel.startNavigation(routeJsonString)
+    }
+
+    @Test
+    fun checkRoute() {
+        assertEquals(true, routeModel.isNavigating())
+        assertEquals(routeModel.curRoute.summary.distance, 11116.0, 10.0)
+        assertEquals(routeModel.curRoute.summary.duration, 1148.0, 10.0)
+    }
+
+    @Test
+    fun checkDeparture() {
+        location.latitude = 48.185569
+        location.longitude = 11.579034
+        routeModel.updateLocation(location, NavigationViewModel(TomTomRepository()))
+        val stepData = routeModel.currentStep()
+        assertEquals(stepData.currentManeuverType, Maneuver.TYPE_TURN_NORMAL_RIGHT)
+        assertEquals(stepData.instruction, "Silcherstraße")
+        assertEquals(stepData.leftStepDistance, 70.0, 1.0)
+        val nextStepData = routeModel.nextStep()
+        assertEquals(nextStepData.currentManeuverType, Maneuver.TYPE_TURN_NORMAL_RIGHT)
+        assertEquals(nextStepData.instruction, "Schmalkaldener Straße")
+    }
+
+
+    @Test
+    fun checkSchmalkadener20() {
+        location.latitude = 48.187057
+        location.longitude = 11.576652
+        routeModel.updateLocation(location, NavigationViewModel(TomTomRepository()))
+        val stepData = routeModel.currentStep()
+        assertEquals(stepData.currentManeuverType, Maneuver.TYPE_TURN_NORMAL_RIGHT)
+        assertEquals(stepData.instruction, "Schmalkaldener Straße")
+        assertEquals(stepData.leftStepDistance, 0.0, 1.0)
+        val nextStepData = routeModel.nextStep()
+        assertEquals(nextStepData.currentManeuverType, Maneuver.TYPE_TURN_NORMAL_RIGHT)
+        assertEquals(nextStepData.instruction, "Ingolstädter Straße")
+    }
+
+    @Test
+    fun checkIngol() {
+        location.latitude = 48.180555
+        location.longitude = 11.585125
+        routeModel.updateLocation(location, NavigationViewModel(TomTomRepository()))
+        val stepData = routeModel.currentStep()
+        assertEquals(stepData.currentManeuverType, Maneuver.TYPE_STRAIGHT)
+        assertEquals(stepData.instruction, "Ingolstädter Straße")
+        assertEquals(stepData.leftStepDistance, 350.0, 1.0)
+        val nextStepData = routeModel.nextStep()
+        assertEquals(nextStepData.currentManeuverType, Maneuver.TYPE_TURN_NORMAL_LEFT)
+        assertEquals(nextStepData.instruction, "Schenkendorfstraße")
+    }
+
+    @Test
+    fun checkIngol2() {
+        location.latitude = 48.179286
+        location.longitude = 11.585258
+        location.bearing = 180.0F
+        routeModel.updateLocation(location, NavigationViewModel(TomTomRepository()))
+        val stepData = routeModel.currentStep()
+        assertEquals(stepData.currentManeuverType, Maneuver.TYPE_TURN_NORMAL_LEFT)
+        assertEquals(stepData.instruction, "Schenkendorfstraße")
+        assertEquals(stepData.leftStepDistance, 240.0, 1.0)
+        assertEquals(stepData.lane.size, 4)
+        assertEquals(stepData.lane.first().valid, true)
+        assertEquals(stepData.lane.last().valid, false)
+        val nextStepData = routeModel.nextStep()
+        assertEquals(nextStepData.currentManeuverType, Maneuver.TYPE_KEEP_LEFT)
+        assertEquals(nextStepData.instruction, "Schenkendorfstraße")
+    }
+
+    @Test
+    fun checkDestination() {
+        location.latitude = homeHohenwaldeck.latitude
+        location.longitude = homeHohenwaldeck.longitude
+        routeModel.updateLocation(location, NavigationViewModel(TomTomRepository()))
+        val stepData = routeModel.nextStep()
+        assertEquals(stepData.currentManeuverType, Maneuver.TYPE_DESTINATION_LEFT)
+    }
+
+    @Test
+    fun simulate() {
+        for ((index, waypoint) in routeModel.curRoute.waypoints.withIndex()) {
+            val curLocation = location(waypoint[0], waypoint[1])
+            if (routeModel.isNavigating()) {
+                if (index in 0..routeModel.curRoute.waypoints.size) {
+                   routeModel.updateLocation(curLocation, NavigationViewModel(TomTomRepository()))
+                    val stepData = routeModel.currentStep()
+                    val nextData =  routeModel.nextStep()
+                    println("${stepData.leftStepDistance} : ${stepData.instruction} ${stepData.currentManeuverType} : ${nextData.instruction} ${nextData.currentManeuverType}")
+                }
+            }
+        }
+    }
+}

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

@@ -26,7 +26,6 @@ import com.kouros.navigation.car.screen.SearchScreen
 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.ObjectBox
 import com.kouros.navigation.data.RouteEngine
 import com.kouros.navigation.data.osrm.OsrmRepository
 import com.kouros.navigation.data.tomtom.TomTomRepository
@@ -119,20 +118,27 @@ class NavigationSession : Session(), NavigationScreen.Listener {
      */
     fun onConnectionStateUpdated(connectionState: Int) {
         routeModel.navState = routeModel.navState.copy(carConnection = connectionState)
-        if (::carSensorManager.isInitialized) {
-            carSensorManager.updateConnectionState(connectionState)
-        }
         when (connectionState) {
             CarConnection.CONNECTION_TYPE_NOT_CONNECTED -> Unit
             CarConnection.CONNECTION_TYPE_NATIVE -> {
-                ObjectBox.init(carContext)
                 navigationScreen.checkPermission("android.car.permission.CAR_SPEED")
+                if (carContext.checkSelfPermission("android.car.permission.CAR_SPEED") == PackageManager.PERMISSION_GRANTED) {
+                    if (::carSensorManager.isInitialized) {
+                        carSensorManager.updateConnectionState(connectionState)
+                    }
+                }
             }
             CarConnection.CONNECTION_TYPE_PROJECTION -> {
                 navigationScreen.checkPermission("com.google.android.gms.permission.CAR_SPEED")
+                if (carContext.checkSelfPermission("com.google.android.gms.permission.CAR_SPEED") == PackageManager.PERMISSION_GRANTED) {
+                    if (::carSensorManager.isInitialized) {
+                        carSensorManager.updateConnectionState(connectionState)
                     }
                 }
             }
+        }
+
+    }
 
     /**
      * Creates the initial screen for the session.
@@ -318,13 +324,11 @@ class NavigationSession : Session(), NavigationScreen.Listener {
      * Snaps location to route and checks for deviation requiring reroute.
      */
     private fun handleNavigationLocation(location: Location) {
+        routeModel.navState = routeModel.navState.copy(travelMessage = "${location.latitude} ${location.longitude}")
         navigationScreen.updateTrip(location)
-
         if (routeModel.navState.arrived) return
-
         val snappedLocation = snapLocation(location, routeModel.route.maneuverLocations())
         val distance = location.distanceTo(snappedLocation)
-
         when {
             distance > MAXIMAL_ROUTE_DEVIATION -> {
                 navigationScreen.calculateNewRoute(routeModel.navState.destination)
@@ -342,8 +346,8 @@ class NavigationSession : Session(), NavigationScreen.Listener {
      * Stops active navigation and clears route state.
      * Called when user exits navigation or arrives at destination.
      */
-    override fun stopNavigation(context: CarContext) {
+    override fun stopNavigation() {
-        routeModel.stopNavigation(context)
+        routeModel.stopNavigation()
     }
 
 

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

@@ -10,7 +10,6 @@ import androidx.car.app.AppManager
 import androidx.car.app.CarContext
 import androidx.car.app.SurfaceCallback
 import androidx.car.app.SurfaceContainer
-import androidx.car.app.connection.CarConnection
 import androidx.compose.foundation.layout.PaddingValues
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
@@ -31,7 +30,6 @@ import com.kouros.navigation.car.map.cameraState
 import com.kouros.navigation.car.map.getPaddingValues
 import com.kouros.navigation.car.navigation.RouteCarModel
 import com.kouros.navigation.data.Constants.homeVogelhart
-import com.kouros.navigation.data.ObjectBox
 import com.kouros.navigation.data.RouteEngine
 import com.kouros.navigation.model.BaseStyleModel
 import com.kouros.navigation.model.RouteModel
@@ -292,7 +290,8 @@ class SurfaceRenderer(
                 currentSpeed,
                 speed!!,
                 width,
-                height
+                height,
+                0.0
             )
         }
         LaunchedEffect(position, viewStyle) {

common/car/src/main/java/com/kouros/navigation/car/map/MapView.kt

@@ -116,7 +116,7 @@ fun MapLibre(
 
 @Composable
 fun RouteLayer(routeData: String?, trafficData: Map<String, String>) {
-    if (routeData != null && routeData.isNotEmpty()) {
+    if (!routeData.isNullOrEmpty()) {
         val routes = rememberGeoJsonSource(GeoJsonData.JsonString(routeData))
         LineLayer(
             id = "routes-casing",
@@ -184,7 +184,7 @@ fun RouteLayer(routeData: String?, trafficData: Map<String, String>) {
 
 @Composable
 fun RouteLayerPoint(routeData: String?) {
-    if (routeData != null && routeData.isNotEmpty()) {
+    if (!routeData.isNullOrEmpty()) {
         val routes = rememberGeoJsonSource(GeoJsonData.JsonString(routeData))
         val img = image(painterResource(R.drawable.ic_favorite_filled_white_24dp), drawAsSdf = true)
         SymbolLayer(
@@ -209,11 +209,11 @@ fun RouteLayerPoint(routeData: String?) {
 
 fun trafficColor(key: String): Expression<ColorValue> {
     when (key) {
-        "queuing" -> return const(Color(0xFFD24417))
+        "queuing" -> return const(Color(0xFFC46E53))
         "stationary" -> return const(Color(0xFFFF0000))
         "heavy" -> return const(Color(0xFF6B0404))
-        "slow" -> return const(Color(0xFFC41F1F))
+        "slow" -> return const(Color(0xFFBD2525))
-        "roadworks" -> return const(Color(0xFF7A631A))
+        "roadworks" -> return const(Color(0xFF725A0F))
     }
     return const(Color.Blue)
 }
@@ -291,7 +291,8 @@ fun DrawNavigationImages(
     speed: Float?,
     maxSpeed: Int,
     width: Int,
-    height: Int
+    height: Int,
+    lat: Double?
 ) {
     NavigationImage(padding, width, height)
     if (speed != null) {
@@ -300,26 +301,26 @@ fun DrawNavigationImages(
    if (speed != null && maxSpeed > 0 && (speed * 3.6) > maxSpeed) {
         MaxSpeed(width, height, maxSpeed)
     }
-    //DebugInfo(width, height, routeModel)
+    //DebugInfo(width, height, lat!!)
 }
 
 @Composable
 fun NavigationImage(padding: PaddingValues, width: Int, height: Int) {
     val imageSize = (height / 8)
-    val color = remember { NavigationColor }
+    val navigationColor = remember { NavigationColor }
     Box(contentAlignment = Alignment.Center, modifier = Modifier.padding(padding)) {
         Canvas(
             modifier = Modifier
                 .size(imageSize.dp, imageSize.dp)
         ) {
             scale(scaleX = 1f, scaleY = 0.7f) {
-                drawCircle(Color.DarkGray.copy(alpha = 0.3f))
+                drawCircle(navigationColor.copy(alpha = 0.3f))
             }
         }
         Icon(
             painter = painterResource(id = R.drawable.navigation_48px),
             "Navigation",
-            tint = color.copy(alpha = 0.7f),
+            tint = navigationColor.copy(alpha = 0.7f),
             modifier = Modifier
                 .size(imageSize.dp, imageSize.dp)
                 .scale(scaleX = 1f, scaleY = 0.7f),
@@ -453,7 +454,7 @@ private fun MaxSpeed(
 fun DebugInfo(
     width: Int,
     height: Int,
-    routeModel: RouteModel,
+    latitude: Double,
 
     ) {
     Box(
@@ -465,19 +466,18 @@ fun DebugInfo(
         contentAlignment = Alignment.CenterStart
     ) {
         val textMeasurerLocation = rememberTextMeasurer()
-        val location = routeModel.navState.currentLocation.latitude.toString()
         val styleSpeed = TextStyle(
             fontSize = 26.sp,
             fontWeight = FontWeight.Bold,
             color = Color.Black,
         )
-        val textLayoutLocation = remember(location) {
+        val textLayoutLocation = remember(latitude.toString()) {
-            textMeasurerLocation.measure(location, styleSpeed)
+            textMeasurerLocation.measure(latitude.toString(), styleSpeed)
         }
         Canvas(modifier = Modifier.fillMaxSize()) {
             drawText(
                 textMeasurer = textMeasurerLocation,
-                text = location,
+                text = latitude.toString(),
                 style = styleSpeed,
                 topLeft = Offset(
                     x = center.x - textLayoutLocation.size.width / 2,

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

@@ -1,18 +1,3 @@
-/*
- * Copyright 2023 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 package com.kouros.navigation.car.navigation
 
 import android.location.Location
@@ -138,9 +123,9 @@ class RouteCarModel() : RouteModel() {
         var laneImageAdded = false
         stepData.lane.forEach {
             if (it.indications.isNotEmpty() && it.valid) {
-                Collections.sort<String>(it.indications)
+                val sorted = it.indications.sorted()
                 var direction = ""
-                it.indications.forEach { it2 ->
+                sorted.forEach { it2 ->
                     direction = if (direction.isEmpty()) {
                         it2.trim()
                     } else {
@@ -212,7 +197,6 @@ class RouteCarModel() : RouteModel() {
             .addAction(dismissAction).setCallback(object : AlertCallback {
                 override fun onCancel(reason: Int) {
                 }
-
                 override fun onDismiss() {
                 }
             }).build()

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

@@ -24,22 +24,25 @@ import androidx.car.app.navigation.model.MessageInfo
 import androidx.car.app.navigation.model.NavigationTemplate
 import androidx.car.app.navigation.model.RoutingInfo
 import androidx.core.graphics.drawable.IconCompat
-import androidx.lifecycle.Observer
 import androidx.lifecycle.lifecycleScope
 import com.kouros.data.R
 import com.kouros.navigation.car.SurfaceRenderer
 import com.kouros.navigation.car.ViewStyle
 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.data.Constants
 import com.kouros.navigation.data.Constants.DESTINATION_ARRIVAL_DISTANCE
 import com.kouros.navigation.data.Place
-import com.kouros.navigation.data.nominatim.SearchResult
 import com.kouros.navigation.data.overpass.Elements
 import com.kouros.navigation.model.NavigationViewModel
 import com.kouros.navigation.utils.GeoUtils
+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 kotlinx.coroutines.runBlocking
 import java.time.Duration
 import java.time.LocalDateTime
 import java.time.ZoneOffset
@@ -51,58 +54,67 @@ class NavigationScreen(
     private var routeModel: RouteCarModel,
     private var listener: Listener,
     private val navigationViewModel: NavigationViewModel
-) :
+) : Screen(carContext), NavigationObserverCallback {
-    Screen(carContext) {
 
     /** A listener for navigation start and stop signals.  */
     interface Listener {
         /** Stops navigation.  */
-        fun stopNavigation(context: CarContext)
+        fun stopNavigation()
     }
 
+    val backGroundColor = CarColor.BLUE
+
     var currentNavigationLocation = Location(LocationManager.GPS_PROVIDER)
     var recentPlace = Place()
     var navigationType = NavigationType.VIEW
 
     var lastTrafficDate: LocalDateTime? = LocalDateTime.of(1960, 6, 21, 0, 0)
-    val observer = Observer<String> { route ->
+    var lastCameraSearch = 0
+    var speedCameras = listOf<Elements>()
+
+    val observerManager = NavigationObserverManager(navigationViewModel, this)
+
+    init {
+        observerManager.attachAllObservers(this)
+        lifecycleScope.launch {
+            getSettingsViewModel(carContext).routingEngine.collect {
+            }
+        }
+    }
+
+    // NavigationObserverCallback implementations
+    override fun onRouteReceived(route: String) {
         if (route.isNotEmpty()) {
+            val repository = getSettingsRepository(carContext)
+            val routingEngine = runBlocking {  repository.routingEngineFlow.first() }
+            routeModel.navState = routeModel.navState.copy(routingEngine = routingEngine)
             navigationType = NavigationType.NAVIGATION
-            routeModel.startNavigation(route, carContext)
+            routeModel.startNavigation(route)
+            if (routeModel.hasLegs()) {
+                getSettingsViewModel(carContext).onLastRouteChanged(route)
+            }
             surfaceRenderer.setRouteData()
             invalidate()
         }
     }
 
-    val recentObserver = Observer<Place> { lastPlace ->
+    override fun isNavigating(): Boolean = routeModel.isNavigating()
-        if (!routeModel.isNavigating()) {
+
-            recentPlace = lastPlace
+    override fun onRecentPlaceReceived(place: Place) {
+        recentPlace = place
         navigationType = NavigationType.RECENT
         invalidate()
     }
-    }
+
-    val trafficObserver = Observer<Map<String, String>> { traffic ->
+    override fun onTrafficReceived(traffic: Map<String, String>) {
         surfaceRenderer.setTrafficData(traffic)
-        invalidate()
     }
 
-    val placeObserver = Observer<SearchResult> { searchResult ->
+    override fun onPlaceSearchResultReceived(place: Place) {
-        val place = Place(
-            name = searchResult.displayName,
-            street = searchResult.address.road,
-            city = searchResult.address.city,
-            latitude = searchResult.lat.toDouble(),
-            longitude = searchResult.lon.toDouble(),
-            category = Constants.CONTACTS,
-            postalCode = searchResult.address.postcode
-        )
         navigateToPlace(place)
     }
 
-    var lastCameraSearch = 0
+    override fun onSpeedCamerasReceived(cameras: List<Elements>) {
-
-    var speedCameras = listOf<Elements>()
-    val speedObserver = Observer<List<Elements>> { cameras ->
         speedCameras = cameras
         val coordinates = mutableListOf<List<Double>>()
         cameras.forEach {
@@ -112,21 +124,12 @@ class NavigationScreen(
         surfaceRenderer.speedCamerasData.value = speedData
     }
 
-    val maxSpeedObserver = Observer<Int> { speed ->
+    override fun onMaxSpeedReceived(speed: Int) {
         surfaceRenderer.maxSpeed.value = speed
     }
 
-    init {
+    override fun invalidateScreen() {
-        navigationViewModel.route.observe(this, observer)
+        invalidate()
-        navigationViewModel.traffic.observe(this, trafficObserver);
-        navigationViewModel.recentPlace.observe(this, recentObserver)
-        navigationViewModel.placeLocation.observe(this, placeObserver)
-        navigationViewModel.speedCameras.observe(this, speedObserver)
-        navigationViewModel.maxSpeed.observe(this, maxSpeedObserver)
-        lifecycleScope.launch {
-            getSettingsViewModel(carContext).routingEngine.collect {
-            }
-        }
     }
 
     override fun onGetTemplate(): Template {
@@ -151,7 +154,7 @@ class NavigationScreen(
             .setDestinationTravelEstimate(routeModel.travelEstimate(carContext))
             .setActionStrip(actionStripBuilder.build())
             .setMapActionStrip(mapActionStripBuilder().build())
-            .setBackgroundColor(CarColor.GREEN)
+            .setBackgroundColor(backGroundColor)
             .build()
     }
 
@@ -208,7 +211,7 @@ class NavigationScreen(
                     )
                     .build()
             )
-            .setBackgroundColor(CarColor.GREEN)
+            .setBackgroundColor(CarColor.SECONDARY)
             .setActionStrip(actionStripBuilder.build())
             .setMapActionStrip(mapActionStripBuilder().build())
             .build()
@@ -243,7 +246,7 @@ class NavigationScreen(
         return NavigationTemplate.Builder()
             .setNavigationInfo(RoutingInfo.Builder().setLoading(true).build())
             .setActionStrip(actionStripBuilder.build())
-            .setBackgroundColor(CarColor.GREEN)
+            .setBackgroundColor(backGroundColor)
             .build()
     }
 
@@ -447,7 +450,7 @@ class NavigationScreen(
     fun navigateToPlace(place: Place) {
         navigationType = NavigationType.VIEW
         val location = location(place.longitude, place.latitude)
-        navigationViewModel.saveRecent(place)
+        navigationViewModel.saveRecent(carContext, place)
         currentNavigationLocation = location
         navigationViewModel.loadRoute(
             carContext,
@@ -461,7 +464,7 @@ class NavigationScreen(
 
     fun stopNavigation() {
         navigationType = NavigationType.VIEW
-        listener.stopNavigation(carContext)
+        listener.stopNavigation()
         surfaceRenderer.routeData.value = ""
         lastCameraSearch = 0
         invalidate()
@@ -502,7 +505,7 @@ class NavigationScreen(
         }
         updateSpeedCamera(location)
         with(routeModel) {
-            updateLocation(carContext, location, navigationViewModel)
+            updateLocation( location, navigationViewModel)
             if ((navState.maneuverType == Maneuver.TYPE_DESTINATION
                         || navState.maneuverType == Maneuver.TYPE_DESTINATION_LEFT
                         || navState.maneuverType == Maneuver.TYPE_DESTINATION_RIGHT
@@ -510,6 +513,7 @@ class NavigationScreen(
                 && routeCalculator.leftStepDistance() < DESTINATION_ARRIVAL_DISTANCE
             ) {
                 stopNavigation()
+                getSettingsViewModel(carContext).onLastRouteChanged("")
                 navState = navState.copy(arrived = true)
                 surfaceRenderer.routeData.value = ""
                 navigationType = NavigationType.ARRIVAL

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

@@ -89,7 +89,7 @@ class PlaceListScreen(
                 ""
             }
             val row = Row.Builder()
-                .setImage(contactIcon(it.avatar, it.category))
+               // .setImage(contactIcon(it.avatar, it.category))
                 .setTitle("$street ${it.city}")
                 .setOnClickListener {
                     val place = Place(
@@ -101,7 +101,7 @@ class PlaceListScreen(
                         it.postalCode,
                         it.city,
                         it.street,
-                        avatar = null
+                     //   avatar = null
                     )
                     screenManager
                         .pushForResult(
@@ -162,7 +162,7 @@ class PlaceListScreen(
             )
         )
         .setOnClickListener {
-            navigationViewModel.deletePlace(place)
+            navigationViewModel.deletePlace(carContext, place)
             CarToast.makeText(
                 carContext,
                 R.string.recent_Item_deleted, CarToast.LENGTH_LONG

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

@@ -29,7 +29,11 @@ import com.kouros.navigation.car.navigation.NavigationMessage
 import com.kouros.navigation.car.navigation.RouteCarModel
 import com.kouros.navigation.data.Place
 import com.kouros.navigation.model.NavigationViewModel
+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 java.math.BigDecimal
 import java.math.RoundingMode
 
@@ -48,7 +52,10 @@ class RoutePreviewScreen(
     val navigationMessage = NavigationMessage(carContext)
     val observer = Observer<String> { route ->
         if (route.isNotEmpty()) {
-            routeModel.startNavigation(route, carContext)
+            val repository = getSettingsRepository(carContext)
+            val routingEngine = runBlocking {  repository.routingEngineFlow.first() }
+            routeModel.navState = routeModel.navState.copy(routingEngine = routingEngine)
+            routeModel.startNavigation(route)
             surfaceRenderer.setPreviewRouteData(routeModel)
             invalidate()
         }
@@ -163,7 +170,7 @@ class RoutePreviewScreen(
                 CarToast.LENGTH_SHORT
             )
                 .show()
-            navigationViewModel.saveFavorite(destination)
+            navigationViewModel.saveFavorite(carContext, destination)
             invalidate()
         }
         .build()
@@ -171,7 +178,7 @@ class RoutePreviewScreen(
     private fun deleteFavoriteAction(): Action = Action.Builder()
         .setOnClickListener {
             if (isFavorite) {
-                navigationViewModel.deleteFavorite(destination)
+                navigationViewModel.deleteFavorite(carContext,destination)
             }
             isFavorite = !isFavorite
             finish()

common/car/src/test/java/com/kouros/navigation/car/UnitTest.kt

@@ -1,33 +0,0 @@
-package com.kouros.navigation.car
-
-import com.kouros.navigation.data.valhalla.ValhallaRepository
-import com.kouros.navigation.model.RouteModel
-import com.kouros.navigation.model.NavigationViewModel
-import org.junit.Test
-
-/**
-  *
- * See [testing documentation](http://d.android.com/tools/testing).
- */
-class ViewModelTest {
-
-    val repo = ValhallaRepository()
-    val navigationViewModel = NavigationViewModel(repo)
-    val model = RouteModel()
-
-    @Test
-    fun routeViewModelTest() {
-
-//        val fromLocation = Location(LocationManager.GPS_PROVIDER)
-//        fromLocation.isMock = true
-//        fromLocation.latitude = homeLocation.latitude
-//        fromLocation.longitude = homeLocation.longitude
-//        val toLocation = Location(LocationManager.GPS_PROVIDER)
-//        toLocation.isMock = true
-//        toLocation.latitude = home2Location.latitude
-//        toLocation.longitude = home2Location.longitude
-//
-//        val route = repo.getRoute(fromLocation, toLocation, SearchFilter())
-        //model.startNavigation(route)
-    }
-}

common/data/build.gradle.kts

@@ -1,13 +1,8 @@
-import org.gradle.kotlin.dsl.annotationProcessor
-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")
+    alias(libs.plugins.kotlin.kapt)
  }
 
 android {
@@ -37,9 +32,9 @@ android {
         sourceCompatibility = JavaVersion.VERSION_11
         targetCompatibility = JavaVersion.VERSION_11
     }
-    kotlin {
+    testOptions {
-        compilerOptions {
+        unitTests {
-            jvmTarget = JvmTarget.JVM_11
+            isReturnDefaultValues = true
         }
     }
 }
@@ -60,20 +55,20 @@ dependencies {
     implementation(libs.android.sdk.turf)
     implementation(libs.androidx.compose.runtime)
 
-
-    // objectbox
-    implementation(libs.objectbox.kotlin)
     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")
+    implementation(libs.androidx.compose.material.icons.extended)
     testImplementation(libs.junit)
+    testImplementation(libs.mockito.core)
+    testImplementation(libs.mockito.kotlin)
     androidTestImplementation(libs.androidx.junit)
     androidTestImplementation(libs.androidx.espresso.core)
-}
+    androidTestImplementation(libs.androidx.runner)
+    androidTestImplementation(libs.androidx.rules)
 
-apply(plugin = "io.objectbox")
+
+}

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

@@ -2,9 +2,9 @@ package com.kouros.navigation.data
 
 import androidx.compose.ui.graphics.Color
 
-val NavigationColor = Color(0xFF0730B2)
+val NavigationColor = Color(0xFF16BBB6)
 
-val RouteColor = Color(0xFF5582D0)
+val RouteColor = Color(0xFF7B06E1)
 
 val SpeedColor = Color(0xFF262525)
 

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

@@ -16,13 +16,9 @@
 
 package com.kouros.navigation.data
 
-import android.location.Location
-import android.location.LocationManager
 import android.net.Uri
 import com.kouros.navigation.data.route.Lane
 import com.kouros.navigation.utils.location
-import io.objectbox.annotation.Entity
-import io.objectbox.annotation.Id
 import kotlinx.serialization.Serializable
 
 data class Category(
@@ -30,9 +26,13 @@ data class Category(
     val name: String,
 )
 
-@Entity
+
+data class Places(
+    val places: List<Place>,
+)
+
+@Serializable
 data class Place(
-    @Id
     var id: Long = 0,
     var name: String? = null,
     var category: String? = null,
@@ -42,8 +42,7 @@ data class Place(
     var city: String? = null,
     var street: String? = null,
     var distance: Float = 0F,
-    @Transient
+    //var avatar: Uri? = null,
-    var avatar: Uri? = null,
     var lastDate: Long = 0
 )
 

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

@@ -53,6 +53,8 @@ abstract class NavigationRepository {
         carOrientation: Float,
         context: Context
     ): Double {
+        if (currentLocation.latitude == 0.0)
+            return 0.0
         val osrm = OsrmRepository()
        val route = osrm.getRoute(context, currentLocation, location, carOrientation, SearchFilter())
         val gson = GsonBuilder().serializeNulls().create()

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

@@ -18,4 +18,6 @@ data class NavigationState (
     val currentRouteIndex: Int = 0,
     val destination: Place = Place(),
     val carConnection: Int = 0,
+    var routingEngine: Int = 0,
+
 )

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

@@ -1,22 +0,0 @@
-package com.kouros.navigation.data
-
-import android.content.Context
-import com.kouros.navigation.data.MyObjectBox
-import io.objectbox.BoxStore
-
-/**
- * Singleton to keep BoxStore reference.
- */
-object ObjectBox {
-
-    lateinit var boxStore: BoxStore
-        private set
-
-    fun init(context: Context) {
-        try {
-            boxStore = MyObjectBox.builder().androidContext(context.applicationContext).build()
-        } catch (e: Exception) {
-            println(e.message)
-        }
-    }
-}

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

@@ -42,6 +42,11 @@ class DataStoreManager(private val context: Context) {
         val LAST_ROUTE = stringPreferencesKey("LastRoute")
 
         val TOMTOM_APIKEY = stringPreferencesKey("TomTomApiKey")
+
+        val RECENT_PLACES = stringPreferencesKey("RecentPlaces")
+
+        val FAVORITES = stringPreferencesKey("Favorites")
+
     }
 
     // Read values
@@ -89,6 +94,18 @@ class DataStoreManager(private val context: Context) {
                 ?: ""
         }
 
+    val recentPlacesFlow: Flow<String> =
+        context.dataStore.data.map { preferences ->
+            preferences[PreferencesKeys.RECENT_PLACES]
+                ?: ""
+        }
+
+    val favoritesFlow: Flow<String> =
+        context.dataStore.data.map { preferences ->
+            preferences[PreferencesKeys.FAVORITES]
+                ?: ""
+        }
+
     // Save values
     suspend fun setShow3D(enabled: Boolean) {
         context.dataStore.edit { preferences ->
@@ -137,4 +154,16 @@ class DataStoreManager(private val context: Context) {
             prefs[PreferencesKeys.TOMTOM_APIKEY] = apiKey
         }
     }
+
+    suspend fun setRecentPlaces(apiKey: String) {
+        context.dataStore.edit { prefs ->
+            prefs[PreferencesKeys.RECENT_PLACES] = apiKey
+        }
+    }
+
+    suspend fun setFavorites(apiKey: String) {
+        context.dataStore.edit { prefs ->
+            prefs[PreferencesKeys.FAVORITES] = apiKey
+        }
+    }
 }

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

@@ -33,6 +33,13 @@ class TomTomRepository : NavigationRepository() {
             val routeJsonString = routeJson.bufferedReader().use { it.readText() }
             return routeJsonString
         }
+        var filter = ""
+        if (searchFilter.avoidMotorway) {
+            filter = "$filter&avoid=motorways"
+        }
+        if (searchFilter.avoidTollway) {
+            filter = "$filter&avoid=tollRoads"
+        }
         val repository = getSettingsRepository(context)
         val tomtomApiKey = runBlocking {  repository.tomTomApiKeyFlow.first() }
         val url =
@@ -42,7 +49,7 @@ class TomTomRepository : NavigationRepository() {
                     "&vehicleMaxSpeed=120&vehicleCommercial=false" +
                     "&instructionsType=text&language=en-GB&sectionType=lanes" +
                     "&routeRepresentation=encodedPolyline" +
-                    "&vehicleEngineType=combustion&key=$tomtomApiKey"
+                    "&vehicleEngineType=combustion$filter&key=$tomtomApiKey"
         return fetchUrl(
             url,
             false

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

@@ -1,30 +1,27 @@
 package com.kouros.navigation.model
 
+//import com.kouros.navigation.data.Preferences.boxStore
 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.compose.ui.platform.isDebugInspectorInfoEnabled
 import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import com.google.gson.GsonBuilder
 import com.kouros.navigation.data.Constants
 import com.kouros.navigation.data.NavigationRepository
-import com.kouros.navigation.data.ObjectBox.boxStore
 import com.kouros.navigation.data.Place
-import com.kouros.navigation.data.Place_
+import com.kouros.navigation.data.Places
 import com.kouros.navigation.data.SearchFilter
 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.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
@@ -111,20 +108,18 @@ class NavigationViewModel(private val repository: NavigationRepository) : ViewMo
 
 
     /**
-     * Loads the most recent place from ObjectBox and calculates its distance.
+     * Loads the most recent place from Preferences and calculates its distance.
      * Posts the result to recentPlace LiveData if distance > 1km.
      */
     fun loadRecentPlace(location: Location, carOrientation: Float, context: Context) {
         viewModelScope.launch(Dispatchers.IO) {
             try {
-                val placeBox = boxStore.boxFor(Place::class)
+                val settingsRepository = getSettingsRepository(context)
-                val query = placeBox
+                val recentPlaces = settingsRepository.recentPlacesFlow.first()
-                    .query(Place_.name.notEqual(""))
+                val gson = GsonBuilder().serializeNulls().create()
-                    .orderDesc(Place_.lastDate)
+                val places = gson.fromJson(recentPlaces, Places::class.java)
-                    .build()
+                val place  = places.places.minByOrNull { it.lastDate.dec() }
-                val results = query.find()
+                if (place != null) {
-                query.close()
-                for (place in results) {
                     val plLocation = location(place.longitude, place.latitude)
                     val distance = repository.getRouteDistance(
                         location,
@@ -145,20 +140,60 @@ class NavigationViewModel(private val repository: NavigationRepository) : ViewMo
     }
 
     /**
-     * Loads all recent places from ObjectBox and calculates distances.
+     * Loads all recent places from Preferences and calculates distances.
      * Posts the sorted list to places LiveData.
      */
     fun loadRecentPlaces(context: Context, location: Location, carOrientation: Float) {
         viewModelScope.launch(Dispatchers.IO) {
             try {
-                val placeBox = boxStore.boxFor(Place::class)
+                val settingsRepository = getSettingsRepository(context)
-                val query = placeBox
+                val rp = settingsRepository.recentPlacesFlow.first()
-                    .query(Place_.name.notEqual("").and(Place_.category.equal(Constants.RECENT)))
+                val gson = GsonBuilder().serializeNulls().create()
-                    .orderDesc(Place_.lastDate)
+                val recentPlaces = gson.fromJson(rp, Places::class.java)
-                    .build()
+                val pl = mutableListOf<Place>()
-                val results = query.find()
+                var id : Long = 0
-                query.close()
+                if (rp.isNotEmpty()) {
-                for (place in results) {
+                    for (place in recentPlaces.places) {
+                        if (place.category.equals(Constants.RECENT)) {
+                            val plLocation = location(place.longitude, place.latitude)
+                            if (place.latitude != 0.0) {
+                                val distance =
+                                    repository.getRouteDistance(
+                                        location,
+                                        plLocation,
+                                        carOrientation,
+                                        context
+                                    )
+                                place.distance = distance.toFloat()
+                                place.id = id
+                                id += 1
+                            }
+                            pl.add(place)
+                        }
+                    }
+                }
+                places.postValue(pl)
+            } catch (e: Exception) {
+                e.printStackTrace()
+            }
+        }
+    }
+
+    /**
+     * Loads favorite places from Preferences and calculates distances.
+     * Posts the sorted list to favorites LiveData.
+     */
+    fun loadFavorites(context: Context, location: Location, carOrientation: Float) {
+        viewModelScope.launch(Dispatchers.IO) {
+            try {
+                val settingsRepository = getSettingsRepository(context)
+                val rp = settingsRepository.recentPlacesFlow.first()
+                val gson = GsonBuilder().serializeNulls().create()
+                val recentPlaces = gson.fromJson(rp, Places::class.java)
+                val pl = mutableListOf<Place>()
+                if (rp.isNotEmpty()) {
+                    for (place in recentPlaces.places) {
+                        if (place.category.equals(Constants.FAVORITES)) {
                             val plLocation = location(place.longitude, place.latitude)
                             if (place.latitude != 0.0) {
                                 val distance =
@@ -170,41 +205,11 @@ class NavigationViewModel(private val repository: NavigationRepository) : ViewMo
                                     )
                                 place.distance = distance.toFloat()
                             }
-                }
+                            pl.add(place)
-                places.postValue(results)
-            } catch (e: Exception) {
-                e.printStackTrace()
                         }
                     }
                 }
-
+                favorites.postValue(pl)
-    /**
-     * Loads favorite places from ObjectBox and calculates distances.
-     * Posts the sorted list to favorites LiveData.
-     */
-    fun loadFavorites(context: Context, location: Location, carOrientation: Float) {
-        viewModelScope.launch(Dispatchers.IO) {
-            try {
-                val placeBox = boxStore.boxFor(Place::class)
-                val query = placeBox
-                    .query(Place_.name.notEqual("").and(Place_.category.equal(Constants.FAVORITES)))
-                    .orderDesc(Place_.lastDate)
-                    .build()
-                val results = query.find()
-                query.close()
-                for (place in results) {
-                    val plLocation = location(place.longitude, place.latitude)
-                    val distance =
-                        repository.getRouteDistance(
-                            location,
-                            plLocation,
-                            carOrientation,
-
-                            context
-                        )
-                    place.distance = distance.toFloat()
-                }
-                favorites.postValue(results)
             } catch (e: Exception) {
                 e.printStackTrace()
             }
@@ -335,7 +340,7 @@ class NavigationViewModel(private val repository: NavigationRepository) : ViewMo
                             Constants.CONTACTS,
                             street = addressLines[0],
                             city = addressLines[1],
-                            avatar = address.avatar,
+                            //avatar = address.avatar,
                             longitude = 0.0,
                             latitude = 0.0,
                             distance = 0F,
@@ -417,7 +422,7 @@ class NavigationViewModel(private val repository: NavigationRepository) : ViewMo
             val distAmenities = mutableListOf<Elements>()
             amenities.forEach {
                 val plLocation =
-                    location(longitude = it.lon!!, latitude = it.lat!!)
+                    location(longitude = it.lon, latitude = it.lat)
                 val distance = plLocation.distanceTo(location)
                 it.distance = distance.toDouble()
                 distAmenities.add(it)
@@ -470,18 +475,18 @@ class NavigationViewModel(private val repository: NavigationRepository) : ViewMo
     }
 
     /**
-     * Saves a place as a favorite in ObjectBox.
+     * Saves a place as a favorite in Preferences.
      */
-    fun saveFavorite(place: Place) {
+    fun saveFavorite(context: Context, place: Place) {
         place.category = Constants.FAVORITES
-        savePlace(place)
+        savePlace(context, place)
     }
 
     /**
-     * Saves a place to recent destinations in ObjectBox.
+     * Saves a place to recent destinations in Preferences.
      * Skips fuel stations, charging stations, and pharmacies.
      */
-    fun saveRecent(place: Place) {
+    fun saveRecent(context: Context, place: Place) {
         if (place.category == Constants.FUEL_STATION
             || place.category == Constants.CHARGING_STATION
             || place.category == Constants.PHARMACY
@@ -489,30 +494,36 @@ class NavigationViewModel(private val repository: NavigationRepository) : ViewMo
             return
         }
         place.category = Constants.RECENT
-        savePlace(place)
+        savePlace(context, place)
     }
 
     /**
-     * Saves a place to ObjectBox, removing existing duplicates first.
+     * Saves a place to Preferences, removing existing duplicates first.
      * Updates the timestamp to current time.
      */
-    private fun savePlace(place: Place) {
+    private fun savePlace(context: Context, place: Place) {
         viewModelScope.launch(Dispatchers.IO) {
             try {
-                val placeBox = boxStore.boxFor(Place::class)
+                val places = mutableListOf<Place>()
-                val query = placeBox
+                val gson = GsonBuilder().serializeNulls().create()
-                    .query(
+                val settingsRepository = getSettingsRepository(context)
-                        Place_.name.equal(place.name!!).and(Place_.category.equal(place.category!!))
+                val rp = settingsRepository.recentPlacesFlow.first()
-                    )
+                var id : Long = 0
-                    .build()
+                if (rp.isNotEmpty()) {
-                val results = query.find()
+                    val recentPlaces =
-                query.close()
+                        gson.fromJson(rp, Places::class.java).places.sortedBy { it.lastDate }
-                if (results.isNotEmpty()) {
+                    for (curPlace in recentPlaces) {
-                    placeBox.remove(results.first())
+                        if (curPlace.name != place.name || curPlace.category != place.category) {
+                            curPlace.id = id
+                            places.add(curPlace)
+                            id += 1
+                        }
+                    }
                 }
                 val current = LocalDateTime.now(ZoneOffset.UTC)
                 place.lastDate = current.atZone(ZoneOffset.UTC).toEpochSecond()
-                placeBox.put(place)
+                places.add(place)
+                settingsRepository.setRecentPlaces(gson.toJson(Places(places)))
             } catch (e: Exception) {
                 e.printStackTrace()
             }
@@ -520,37 +531,40 @@ class NavigationViewModel(private val repository: NavigationRepository) : ViewMo
     }
 
     /**
-     * Deletes a place from favorites in ObjectBox.
+     * Deletes a place from favorites in Preferences.
      */
-    fun deleteFavorite(place: Place) {
+    fun deleteFavorite(context: Context, place: Place) {
         place.category = Constants.FAVORITES
-        deletePlace(place)
+        deletePlace(context, place)
     }
 
     /**
-     * Deletes a place from recent destinations in ObjectBox.
+     * Deletes a place from recent destinations in Preferences.
      */
-    fun deleteRecent(place: Place) {
+    fun deleteRecent(context: Context, place: Place) {
         place.category = Constants.RECENT
-        deletePlace(place)
+        deletePlace(context, place)
     }
 
     /**
-     * Deletes a place from ObjectBox matching name and category.
+     * Deletes a place from Preferences matching name and category.
      */
-    fun deletePlace(place: Place) {
+    fun deletePlace(context: Context, place: Place) {
         viewModelScope.launch(Dispatchers.IO) {
             try {
-                val placeBox = boxStore.boxFor(Place::class)
+                val gson = GsonBuilder().serializeNulls().create()
-                val query = placeBox
+                val settingsRepository = getSettingsRepository(context)
-                    .query(
+                val rp = settingsRepository.recentPlacesFlow.first()
-                        Place_.name.equal(place.name!!).and(Place_.category.equal(place.category!!))
+                val places = mutableListOf<Place>()
-                    )
+                if (rp.isNotEmpty()) {
-                    .build()
+                    val recentPlaces =
-                val results = query.find()
+                        gson.fromJson(rp, Places::class.java).places.sortedBy { it.lastDate }
-                query.close()
+                    for (curPlace in recentPlaces) {
-                if (results.isNotEmpty()) {
+                        if (curPlace.name != place.name || curPlace.category != place.category) {
-                    placeBox.remove(results.first())
+                            places.add(curPlace)
+                        }
+                    }
+                    settingsRepository.setRecentPlaces(gson.toJson(Places(places)))
                 }
             } catch (e: Exception) {
                 e.printStackTrace()
@@ -569,59 +583,23 @@ class NavigationViewModel(private val repository: NavigationRepository) : ViewMo
         return SearchFilter(avoidMotorway, avoidTollway)
     }
 
-    /**
-     * Loads recent places with calculated distances for Compose state.
-     * @return SnapshotStateList of recent places with distances
-     */
-    fun loadPlaces2(
-        context: Context,
-        location: Location,
-        carOrientation: Float
-    ): SnapshotStateList<Place?> {
-        val results = listOf<Place>()
-        try {
-            val placeBox = boxStore.boxFor(Place::class)
-            val query = placeBox
-                .query(Place_.name.notEqual("").and(Place_.category.equal(Constants.RECENT)))
-                .orderDesc(Place_.lastDate)
-                .build()
-            val results = query.find()
-            query.close()
-            for (place in results) {
-                val plLocation = location(place.longitude, place.latitude)
-                val distance =
-                    repository.getRouteDistance(
-                        location,
-                        plLocation,
-                        carOrientation,
-                        context
-                    )
-                place.distance = distance.toFloat()
-            }
-        } catch (e: Exception) {
-            e.printStackTrace()
-        }
-        return results.toMutableStateList()
-    }
-
     /**
      * Loads recent places as Compose SnapshotStateList.
      * @return SnapshotStateList of recent places
      */
-    fun loadRecentPlace(): SnapshotStateList<Place?> {
+    fun loadRecentPlace(context: Context): SnapshotStateList<Place?> {
-        val results = listOf<Place>()
+        val pl = mutableListOf<Place>()
-        try {
+        val settingsRepository = getSettingsRepository(context)
-            val placeBox = boxStore.boxFor(Place::class)
+        val rp = runBlocking { settingsRepository.recentPlacesFlow.first()}
-            val query = placeBox
+        if (rp.isNotEmpty()) {
-                .query(Place_.name.notEqual("").and(Place_.category.equal(Constants.RECENT)))
+            val gson = GsonBuilder().serializeNulls().create()
-                .orderDesc(Place_.lastDate)
+            val recentPlaces = gson.fromJson(rp, Places::class.java).places.sortedBy { it.lastDate }
-                .build()
+            for (place in recentPlaces) {
-            val results = query.find()
+                if (place.category == Constants.RECENT) {
-            query.close()
+                    pl.add(place)
-            return results.toMutableStateList()
+                }
-        } catch (e: Exception) {
+            }
-            e.printStackTrace()
+        }
-        }
+        return pl.toMutableStateList()
-        return results.toMutableStateList()
     }
 }

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

@@ -1,25 +1,17 @@
 package com.kouros.navigation.model
 
-import android.content.Context
 import android.location.Location
 import androidx.car.app.connection.CarConnection.CONNECTION_TYPE_NATIVE
 import androidx.car.app.connection.CarConnection.CONNECTION_TYPE_PROJECTION
 import androidx.car.app.navigation.model.Maneuver
 import com.kouros.navigation.data.Constants.NEXT_STEP_THRESHOLD
 import com.kouros.navigation.data.NavigationState
-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.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 {
@@ -37,40 +29,40 @@ open class RouteModel {
     val curLeg: Leg
         get() = navState.route.routes[navState.currentRouteIndex].legs.first()
 
-    fun startNavigation(routeString: String, context: Context) {
+    fun startNavigation(routeString: String) {
-        val repository = getSettingsRepository(context)
-        val routingEngine = runBlocking {  repository.routingEngineFlow.first() }
         navState = navState.copy(
             route = Route.Builder()
-                .routeEngine(routingEngine)
+                .routeEngine(navState.routingEngine)
                 .route(routeString)
                 .build()
         )
         if (hasLegs()) {
             navState = navState.copy(navigating = true)
-            getSettingsViewModel(context).onLastRouteChanged(routeString)
         }
     }
 
-    private fun hasLegs(): Boolean {
+    fun hasLegs(): Boolean {
         return navState.route.routes.isNotEmpty() && navState.route.routes[0].legs.isNotEmpty()
     }
 
-    fun stopNavigation(context: Context) {
+    fun stopNavigation() {
         navState = navState.copy(
             route = Route.Builder().buildEmpty(),
             navigating = false,
             arrived = false,
             maneuverType = Maneuver.TYPE_UNKNOWN
         )
-        getSettingsViewModel(context).onLastRouteChanged("")
     }
 
-    fun updateLocation(context: Context, curLocation: Location, viewModel: NavigationViewModel) {
+    fun updateLocation(curLocation: Location, viewModel: NavigationViewModel) {
+        if (curLocation.hasBearing()) {
+            navState = navState.copy(routeBearing = curLocation.bearing)
+        }
         navState = navState.copy(currentLocation = curLocation)
         routeCalculator.findStep(curLocation)
         if (navState.carConnection == CONNECTION_TYPE_PROJECTION
-            || navState.carConnection == CONNECTION_TYPE_NATIVE) {
+            || navState.carConnection == CONNECTION_TYPE_NATIVE
+        ) {
             routeCalculator.updateSpeedLimit(curLocation, viewModel)
         }
         navState = navState.copy(lastLocation = navState.currentLocation)
@@ -80,15 +72,11 @@ open class RouteModel {
         val distanceToNextStep = routeCalculator.leftStepDistance()
         // Determine the maneuver type and corresponding icon
         val currentStep = navState.route.nextStep(0)
-        val streetName = if (distanceToNextStep > NEXT_STEP_THRESHOLD) {
+        var streetName = currentStep.maneuver.street
-            currentStep.street
+        var curManeuverType = currentStep.maneuver.type
-        } else {
+        if (distanceToNextStep > NEXT_STEP_THRESHOLD) {
-            currentStep.maneuver.street
+            streetName = currentStep.street
-        }
+            curManeuverType =  Maneuver.TYPE_STRAIGHT
-        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)
@@ -108,13 +96,14 @@ open class RouteModel {
 
     fun nextStep(): StepData {
         val distanceToNextStep = routeCalculator.leftStepDistance()
-        val step = navState.route.nextStep(1)
+        val currentStep = navState.route.nextStep(0)
-        val streetName = if (distanceToNextStep < NEXT_STEP_THRESHOLD) {
+        val nextStep = navState.route.nextStep(1)
-            step.maneuver.street
+        var streetName = nextStep.street
-        } else {
+        var  maneuverType = currentStep.maneuver.type
-            step.street
+        if (distanceToNextStep < NEXT_STEP_THRESHOLD) {
+            streetName = nextStep.maneuver.street
+            maneuverType = nextStep.maneuver.type
         }
-        val maneuverType = step.maneuver.type
 
         val maneuverIcon = navState.iconMapper.maneuverIcon(maneuverType)
         // Construct and return the final StepData object
@@ -125,7 +114,7 @@ open class RouteModel {
             icon = maneuverIcon,
             arrivalTime = routeCalculator.arrivalTime(),
             leftDistance = routeCalculator.travelLeftDistance(),
-            exitNumber = step.maneuver.exit
+            exitNumber = nextStep.maneuver.exit
         )
     }
 
@@ -138,7 +127,9 @@ 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 < NEXT_STEP_THRESHOLD && (navState.routeBearing.absoluteValue - sectionBearing.absoluteValue).absoluteValue < 10) {
+                    val bearingDeviation =
+                        (navState.routeBearing.absoluteValue - sectionBearing.absoluteValue).absoluteValue
+                    if (distance < NEXT_STEP_THRESHOLD && bearingDeviation < 10) {
                         lanes = it.lane
                     }
                 }

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

@@ -29,6 +29,14 @@ class SettingsRepository(
     val tomTomApiKeyFlow: Flow<String> =
         dataStoreManager.tomTomApiKeyFlow
 
+
+    val recentPlacesFlow: Flow<String> =
+        dataStoreManager.recentPlacesFlow
+
+    val favoritesFlow: Flow<String> =
+        dataStoreManager.favoritesFlow
+
+
     suspend fun setShow3D(enabled: Boolean) {
         dataStoreManager.setShow3D(enabled)
     }
@@ -61,4 +69,11 @@ class SettingsRepository(
         dataStoreManager.setTomtomApiKey(apiKey)
     }
 
+    suspend fun setRecentPlaces(places: String) {
+        dataStoreManager.setRecentPlaces(places)
+    }
+
+    suspend fun setFavorites(favorites: String) {
+        dataStoreManager.setFavorites(favorites)
+    }
 }

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

@@ -36,7 +36,6 @@ object GeoUtils {
 
     fun decodePolyline(encoded: String, precision: Int = 6):  List<List<Double>> {
         val factor = 10.0.pow(precision)
-
         var lat = 0
         var lng = 0
         val coordinates = mutableListOf<List<Double>>()

common/data/src/test/java/com/kouros/navigation/model/RouteCalculatorTest.kt

@@ -0,0 +1,247 @@
+package com.kouros.navigation.model
+
+import android.location.Location
+import com.kouros.navigation.data.Route
+import com.kouros.navigation.data.route.Leg
+import com.kouros.navigation.data.route.Maneuver
+import com.kouros.navigation.data.route.Routes
+import com.kouros.navigation.data.route.Step
+import com.kouros.navigation.data.route.Summary
+import org.junit.Assert.assertEquals
+import org.junit.Assert.assertTrue
+import org.junit.Before
+import org.junit.Test
+import org.mockito.kotlin.any
+import org.mockito.kotlin.mock
+import org.mockito.kotlin.times
+import org.mockito.kotlin.verify
+import org.mockito.kotlin.whenever
+
+class RouteCalculatorTest {
+
+    private lateinit var routeModel: RouteModel
+    private lateinit var routeCalculator: RouteCalculator
+
+    @Before
+    fun setup() {
+        routeModel = RouteModel()
+        routeCalculator = RouteCalculator(routeModel)
+    }
+
+    // ----------------------------------------------------------
+    // Helpers
+    // ----------------------------------------------------------
+
+    /**
+     * Creates a Step with [numWaypoints] evenly spaced waypoints.
+     * The Maneuver location is mocked to avoid Android stub issues.
+     */
+    private fun createStep(
+        index: Int,
+        numWaypoints: Int = 2,
+        duration: Double = 60.0,
+        distance: Double = 200.0,
+        waypointIndex: Int = 0,
+    ): Step {
+        val waypoints = (0 until numWaypoints).map { i ->
+            listOf(11.0 + index * 0.01 + i * 0.001, 48.0)
+        }
+        return Step(
+            index = index,
+            waypointIndex = waypointIndex,
+            maneuver = Maneuver(waypoints = waypoints, location = mock()),
+            duration = duration,
+            distance = distance,
+        )
+    }
+
+    private fun setupRoute(steps: List<Step>, currentStepIndex: Int = 0): Route {
+        val leg = Leg(steps = steps)
+        val routes = Routes(
+            legs = listOf(leg),
+            summary = Summary(),
+            routeGeoJson = "",
+            waypoints = emptyList(),
+        )
+        return Route(routeEngine = 1, routes = listOf(routes), currentStepIndex = currentStepIndex)
+    }
+
+    // ----------------------------------------------------------
+    // findStep
+    // ----------------------------------------------------------
+
+    @Test
+    fun `findStep updates currentStepIndex to step containing the nearest waypoint`() {
+        val step0 = createStep(index = 0, numWaypoints = 2)
+        val step1 = createStep(index = 1, numWaypoints = 2)
+        routeModel.navState = routeModel.navState.copy(route = setupRoute(listOf(step0, step1)))
+
+        val mockLocation: Location = mock()
+        // step0/wp0: 500F, step0/wp1: 400F, step1/wp0: 300F, step1/wp1: 8F
+        whenever(mockLocation.distanceTo(any())).thenReturn(500F, 400F, 300F, 8F)
+
+        routeCalculator.findStep(mockLocation)
+
+        assertEquals(1, routeModel.navState.route.currentStepIndex)
+    }
+
+    @Test
+    fun `findStep updates waypointIndex to the nearest waypoint within the step`() {
+        val step0 = createStep(index = 0, numWaypoints = 3)
+        routeModel.navState = routeModel.navState.copy(route = setupRoute(listOf(step0)))
+
+        val mockLocation: Location = mock()
+        // wp0: 100F, wp1: 30F (nearest), wp2: 80F
+        whenever(mockLocation.distanceTo(any())).thenReturn(100F, 30F, 80F)
+
+        routeCalculator.findStep(mockLocation)
+
+        assertEquals(1, step0.waypointIndex)
+    }
+
+    @Test
+    fun `findStep skips all steps before currentStepIndex`() {
+        val step0 = createStep(index = 0, numWaypoints = 2)
+        val step1 = createStep(index = 1, numWaypoints = 2)
+        routeModel.navState = routeModel.navState.copy(
+            route = setupRoute(listOf(step0, step1), currentStepIndex = 1)
+        )
+
+        val mockLocation: Location = mock()
+        whenever(mockLocation.distanceTo(any())).thenReturn(200F, 50F)
+
+        routeCalculator.findStep(mockLocation)
+
+        // step0 is skipped, so distanceTo is only called for step1's 2 waypoints
+        verify(mockLocation, times(2)).distanceTo(any())
+        assertEquals(1, routeModel.navState.route.currentStepIndex)
+    }
+
+    @Test
+    fun `findStep breaks early once nearestDistance drops below NEAREST_LOCATION_DISTANCE`() {
+        val step0 = createStep(index = 0, numWaypoints = 2)
+        val step1 = createStep(index = 1, numWaypoints = 2)
+        val step2 = createStep(index = 2, numWaypoints = 2)
+        routeModel.navState = routeModel.navState.copy(
+            route = setupRoute(listOf(step0, step1, step2))
+        )
+
+        val mockLocation: Location = mock()
+        // step0/wp0: 500F, step0/wp1: 5F — 5F < NEAREST_LOCATION_DISTANCE (10F) → break
+        whenever(mockLocation.distanceTo(any())).thenReturn(500F, 5F)
+
+        routeCalculator.findStep(mockLocation)
+
+        // step1 and step2 are never evaluated
+        verify(mockLocation, times(2)).distanceTo(any())
+        assertEquals(0, routeModel.navState.route.currentStepIndex)
+    }
+
+    // ----------------------------------------------------------
+    // travelLeftTime
+    // ----------------------------------------------------------
+
+    @Test
+    fun `travelLeftTime sums future step durations plus full current step duration at first waypoint`() {
+        // waypointIndex=0, waypoints=2 → percent = 100*(2-0)/2 = 100 → time = 60s
+        val step0 = createStep(index = 0, numWaypoints = 2, duration = 60.0, waypointIndex = 0)
+        val step1 = createStep(index = 1, numWaypoints = 2, duration = 120.0)
+        val step2 = createStep(index = 2, numWaypoints = 2, duration = 90.0)
+        routeModel.navState = routeModel.navState.copy(route = setupRoute(listOf(step0, step1, step2)))
+
+        val result = routeCalculator.travelLeftTime()
+
+        // future: 120 + 90 = 210; current: 60 → total: 270
+        assertEquals(270.0, result, 0.01)
+    }
+
+    @Test
+    fun `travelLeftTime uses proportional duration based on remaining waypoints in current step`() {
+        // waypointIndex=2, waypoints=4 → percent = 100*(4-2)/4 = 50 → time = 80*50/100 = 40s
+        val step0 = createStep(index = 0, numWaypoints = 4, duration = 80.0, waypointIndex = 2)
+        val step1 = createStep(index = 1, numWaypoints = 2, duration = 40.0)
+        routeModel.navState = routeModel.navState.copy(route = setupRoute(listOf(step0, step1)))
+
+        val result = routeCalculator.travelLeftTime()
+
+        // future: 40; current: 40 → total: 80
+        assertEquals(80.0, result, 0.01)
+    }
+
+    @Test
+    fun `travelLeftTime returns only future steps when at last step`() {
+        val step0 = createStep(index = 0, numWaypoints = 2, duration = 60.0, waypointIndex = 1)
+        routeModel.navState = routeModel.navState.copy(
+            route = setupRoute(listOf(step0), currentStepIndex = 0)
+        )
+
+        val result = routeCalculator.travelLeftTime()
+
+        // no future steps; waypointIndex=1, waypoints=2 → percent = 100*(2-1)/2 = 50 → 30s
+        assertEquals(30.0, result, 0.01)
+    }
+
+    // ----------------------------------------------------------
+    // leftStepDistance
+    // ----------------------------------------------------------
+
+    @Test
+    fun `leftStepDistance returns 0 when waypointIndex is at the last position`() {
+        // Loop range: waypointIndex..<waypoints.size-1 = 2..<2, which is empty
+        val step0 = createStep(index = 0, numWaypoints = 3, waypointIndex = 2)
+        routeModel.navState = routeModel.navState.copy(route = setupRoute(listOf(step0)))
+
+        val result = routeCalculator.leftStepDistance()
+
+        assertEquals(0.0, result, 0.01)
+    }
+
+    // ----------------------------------------------------------
+    // travelLeftDistance
+    // ----------------------------------------------------------
+
+    @Test
+    fun `travelLeftDistance sums distances of all future steps plus leftStepDistance`() {
+        // step0 at last waypoint → leftStepDistance = 0
+        val step0 = createStep(index = 0, numWaypoints = 2, distance = 100.0, waypointIndex = 1)
+        val step1 = createStep(index = 1, numWaypoints = 2, distance = 200.0)
+        val step2 = createStep(index = 2, numWaypoints = 2, distance = 150.0)
+        routeModel.navState = routeModel.navState.copy(route = setupRoute(listOf(step0, step1, step2)))
+
+        val result = routeCalculator.travelLeftDistance()
+
+        // 200 + 150 + 0 = 350
+        assertEquals(350.0, result, 0.01)
+    }
+
+    @Test
+    fun `travelLeftDistance returns 0 when on last step at last waypoint`() {
+        val step0 = createStep(index = 0, numWaypoints = 2, distance = 200.0, waypointIndex = 1)
+        routeModel.navState = routeModel.navState.copy(route = setupRoute(listOf(step0)))
+
+        val result = routeCalculator.travelLeftDistance()
+
+        assertEquals(0.0, result, 0.01)
+    }
+
+    // ----------------------------------------------------------
+    // arrivalTime
+    // ----------------------------------------------------------
+
+    @Test
+    fun `arrivalTime returns a timestamp roughly travelLeftTime seconds in the future`() {
+        // step0: 2 waypoints at wp0 → 100% of 3600s duration
+        val step0 = createStep(index = 0, numWaypoints = 2, duration = 3600.0, waypointIndex = 0)
+        routeModel.navState = routeModel.navState.copy(route = setupRoute(listOf(step0)))
+
+        val before = System.currentTimeMillis()
+        val result = routeCalculator.arrivalTime()
+
+        assertTrue("Arrival time should be in the future", result > before)
+        val expectedArrival = before + 3_600_000L
+        assertTrue(
+            "Arrival time should be within 1s of expected",
+            result in expectedArrival - 1_000..expectedArrival + 1_000
+        )
+    }
+}

common/data/src/test/java/com/kouros/navigation/model/RouteModelTest.kt

@@ -0,0 +1,109 @@
+package com.kouros.navigation.model
+
+import android.location.Location
+import com.kouros.navigation.data.Route
+import com.kouros.navigation.data.RouteEngine
+import com.kouros.navigation.data.route.Leg
+import com.kouros.navigation.data.route.Maneuver
+import com.kouros.navigation.data.route.Routes
+import com.kouros.navigation.data.route.Step
+import com.kouros.navigation.data.route.Summary
+import org.junit.Before
+import org.junit.Test
+import org.mockito.kotlin.any
+import org.mockito.kotlin.doNothing
+import org.mockito.kotlin.mock
+import org.mockito.kotlin.whenever
+
+class RouteModelTest {
+
+    val route =
+        "{\"formatVersion\":\"0.0.12\",\"report\":{\"effectiveSettings\":[{\"key\":\"avoid\",\"value\":\"unpavedRoads\"},{\"key\":\"computeBestOrder\",\"value\":\"false\"},{\"key\":\"computeTollAmounts\",\"value\":\"none\"},{\"key\":\"computeTravelTimeFor\",\"value\":\"none\"},{\"key\":\"contentType\",\"value\":\"json\"},{\"key\":\"departAt\",\"value\":\"2026-02-26T11:12:31.436Z\"},{\"key\":\"guidanceVersion\",\"value\":\"1\"},{\"key\":\"includeTollPaymentTypes\",\"value\":\"none\"},{\"key\":\"instructionsType\",\"value\":\"text\"},{\"key\":\"language\",\"value\":\"en-GB\"},{\"key\":\"locations\",\"value\":\"48.18575,11.57937:48.18440,11.58298\"},{\"key\":\"maxAlternatives\",\"value\":\"0\"},{\"key\":\"maxPathAlternatives\",\"value\":\"0\"},{\"key\":\"routeRepresentation\",\"value\":\"encodedPolyline\"},{\"key\":\"routeType\",\"value\":\"eco\"},{\"key\":\"sectionType\",\"value\":\"traffic\"},{\"key\":\"sectionType\",\"value\":\"lanes\"},{\"key\":\"traffic\",\"value\":\"true\"},{\"key\":\"travelMode\",\"value\":\"car\"},{\"key\":\"vehicleAxleWeight\",\"value\":\"0\"},{\"key\":\"vehicleCommercial\",\"value\":\"false\"},{\"key\":\"vehicleEngineType\",\"value\":\"combustion\"},{\"key\":\"vehicleHeading\",\"value\":\"90\"},{\"key\":\"vehicleHeight\",\"value\":\"0.00\"},{\"key\":\"vehicleLength\",\"value\":\"0.00\"},{\"key\":\"vehicleMaxSpeed\",\"value\":\"120\"},{\"key\":\"vehicleNumberOfAxles\",\"value\":\"0\"},{\"key\":\"vehicleWeight\",\"value\":\"0\"},{\"key\":\"vehicleWidth\",\"value\":\"0.00\"}]},\"routes\":[{\"summary\":{\"lengthInMeters\":904,\"travelTimeInSeconds\":183,\"trafficDelayInSeconds\":0,\"trafficLengthInMeters\":0,\"departureTime\":\"2026-02-26T12:12:31+01:00\",\"arrivalTime\":\"2026-02-26T12:15:34+01:00\"},\"legs\":[{\"summary\":{\"lengthInMeters\":904,\"travelTimeInSeconds\":183,\"trafficDelayInSeconds\":0,\"trafficLengthInMeters\":0,\"departureTime\":\"2026-02-26T12:12:31+01:00\",\"arrivalTime\":\"2026-02-26T12:15:34+01:00\"},\"encodedPolyline\":\"sfbeH_rteAE|DM|K?P@BBDBBLBdFRBqABw@FkDD_BD_CDkD@uA?oB?{@C_C?YA}@IiEY?\",\"encodedPolylinePrecision\":5}],\"guidance\":{\"instructions\":[{\"routeOffsetInMeters\":0,\"travelTimeInSeconds\":0,\"point\":{\"latitude\":48.18554,\"longitude\":11.57936},\"pointIndex\":0,\"instructionType\":\"LOCATION_DEPARTURE\",\"street\":\"Vogelhartstraße\",\"countryCode\":\"DEU\",\"possibleCombineWithNext\":false,\"drivingSide\":\"RIGHT\",\"maneuver\":\"DEPART\",\"message\":\"Leave from Vogelhartstraße\"},{\"routeOffsetInMeters\":375,\"travelTimeInSeconds\":87,\"point\":{\"latitude\":48.18437,\"longitude\":11.57606},\"pointIndex\":8,\"instructionType\":\"TURN\",\"street\":\"Milbertshofener Straße\",\"countryCode\":\"DEU\",\"junctionType\":\"REGULAR\",\"turnAngleInDecimalDegrees\":-90,\"possibleCombineWithNext\":false,\"drivingSide\":\"RIGHT\",\"maneuver\":\"TURN_LEFT\",\"message\":\"Turn left onto Milbertshofener Straße\"},{\"routeOffsetInMeters\":890,\"travelTimeInSeconds\":168,\"point\":{\"latitude\":48.18427,\"longitude\":11.58297},\"pointIndex\":21,\"instructionType\":\"TURN\",\"street\":\"Bad-Soden-Straße\",\"countryCode\":\"DEU\",\"junctionType\":\"REGULAR\",\"turnAngleInDecimalDegrees\":-90,\"possibleCombineWithNext\":true,\"drivingSide\":\"RIGHT\",\"maneuver\":\"TURN_LEFT\",\"message\":\"Turn left onto Bad-Soden-Straße\",\"combinedMessage\":\"Turn left onto Bad-Soden-Straße then you have arrived at Bad-Soden-Straße\"},{\"routeOffsetInMeters\":904,\"travelTimeInSeconds\":183,\"point\":{\"latitude\":48.1844,\"longitude\":11.58297},\"pointIndex\":22,\"instructionType\":\"LOCATION_ARRIVAL\",\"street\":\"Bad-Soden-Straße\",\"countryCode\":\"DEU\",\"possibleCombineWithNext\":false,\"drivingSide\":\"RIGHT\",\"maneuver\":\"ARRIVE\",\"message\":\"You have arrived at Bad-Soden-Straße\"}],\"instructionGroups\":[{\"firstInstructionIndex\":0,\"lastInstructionIndex\":3,\"groupMessage\":\"Leave from Vogelhartstraße. Take the Milbertshofener Straße. Continue to your destination at Bad-Soden-Straße\",\"groupLengthInMeters\":904}]}}]}"
+    private lateinit var routeModel: RouteModel
+
+    @Before
+    fun setup() {
+        routeModel = RouteModel()
+        routeModel.navState = routeModel.navState.copy(routingEngine = RouteEngine.TOMTOM.ordinal)
+        routeModel.startNavigation(route)
+    }
+
+    private fun createStep(
+        index: Int,
+        numWaypoints: Int = 2,
+        duration: Double = 60.0,
+        distance: Double = 200.0,
+        waypointIndex: Int = 0,
+    ): Step {
+        val waypoints = (0 until numWaypoints).map { i ->
+            listOf(11.0 + index * 0.01 + i * 0.001, 48.0)
+        }
+        return Step(
+            index = index,
+            waypointIndex = waypointIndex,
+            maneuver = Maneuver(waypoints = waypoints, location = mock()),
+            duration = duration,
+            distance = distance,
+        )
+    }
+
+    private fun setupRoute(steps: List<Step>, currentStepIndex: Int = 0): Route {
+        val leg = Leg(steps = steps)
+        val routes = Routes(
+            legs = listOf(leg),
+            summary = Summary(),
+            routeGeoJson = "",
+            waypoints = emptyList(),
+        )
+        return Route(routeEngine = 2, routes = listOf(routes), currentStepIndex = currentStepIndex)
+    }
+
+    @Test
+    fun `hasLegs returns true when route has legs`() {
+        val step0 = createStep(index = 0, numWaypoints = 2)
+        val step1 = createStep(index = 1, numWaypoints = 2)
+        routeModel.navState = routeModel.navState.copy(route = setupRoute(listOf(step0, step1)))
+        val result = routeModel.hasLegs()
+        assert(result)
+    }
+
+    @Test
+    fun `startNavigation updates route and sets navigating to true `() {
+        assert(routeModel.navState.navigating)
+    }
+
+    @Test
+    fun `updateLocation updates currentLocation and lastLocation `() {
+        val routeCalculator: RouteCalculator = mock()
+        val mockLocation: Location = mock()
+        whenever(mockLocation.latitude).thenReturn(48.18554)
+        whenever(mockLocation.longitude).thenReturn(11.57936)
+        whenever(mockLocation.bearing).thenReturn(90F)
+        whenever(mockLocation.hasBearing()).thenReturn(true)
+        doNothing().`when`(routeCalculator).findStep(mockLocation)
+        routeModel.updateLocation(mockLocation, mock())
+        assert(routeModel.navState.currentLocation.latitude == 48.18554)
+        assert(routeModel.navState.currentLocation.longitude == 11.57936)
+    }
+
+    @Test
+    fun `currentStep returns StepData `() {
+        val stepData = routeModel.currentStep()
+        assert(stepData.leftStepDistance == 0.0)
+        assert(stepData.instruction == "Milbertshofener Straße")
+    }
+
+    @Test
+    fun `nextStep returns StepData `() {
+        routeModel.currentStep()
+        val stepData = routeModel.nextStep()
+        assert(stepData.leftStepDistance == 0.0)
+        assert(stepData.instruction == "Bad-Soden-Straße")
+    }
+
+    @Test
+    fun `stopNavigation updates route and sets navigating to false `() {
+        routeModel.stopNavigation()
+        assert(!routeModel.navState.navigating)
+    }
+}

common/data/src/test/java/com/kouros/navigation/utils/GeoUtilsTest.kt

@@ -0,0 +1,205 @@
+package com.kouros.navigation.utils
+
+import android.location.Location
+import org.junit.Assert.*
+import org.junit.Test
+import org.maplibre.geojson.Point
+import org.maplibre.turf.TurfMisc
+import org.mockito.Mockito.mock
+import org.mockito.kotlin.mock
+import org.mockito.kotlin.whenever
+
+
+class GeoUtilsTest {
+    private fun createLocation(lat: Double, lng: Double, bearing: Float? = null): Location {
+        val location = mock<Location>()
+        whenever(location.latitude).thenReturn(lat)
+        whenever(location.longitude).thenReturn(lng)
+        whenever(location.hasBearing()).thenReturn(bearing != null)
+        bearing?.let { whenever(location.bearing).thenReturn(it) }
+
+        return location
+    }
+
+    @Test
+    fun `snapLocation snaps to nearest point on line`() {
+
+        val location = createLocation(48.0, 11.0)
+        val stepCoordinates = listOf(
+            Point.fromLngLat(11.0, 48.0),
+            Point.fromLngLat(11.001, 48.0),
+            Point.fromLngLat(11.002, 48.0)
+        )
+
+
+        val result = GeoUtils.snapLocation(location, stepCoordinates)
+        assertEquals(0.0, result.latitude, 0.001)
+        assertEquals(0.0, result.longitude, 0.001)
+    }
+
+    @Test
+    fun `snapLocation preserves bearing when available`() {
+        val location = createLocation(48.0, 11.0, bearing = 90f)
+        val stepCoordinates = listOf(
+            Point.fromLngLat(11.0, 48.0),
+            Point.fromLngLat(11.001, 48.0)
+        )
+
+        val result = GeoUtils.snapLocation(location, stepCoordinates)
+
+        assertEquals(0f, result.bearing, 0.001f)
+    }
+
+    @Test
+    fun `snapLocation returns original location when coordinates has less than 2 points`() {
+        val location = createLocation(48.0, 11.0)
+        val stepCoordinates = listOf(Point.fromLngLat(11.0, 48.0))
+
+        val result = GeoUtils.snapLocation(location, stepCoordinates)
+
+        assertEquals(0.0, result.latitude, 0.001)
+        assertEquals(0.0, result.longitude, 0.001)
+    }
+
+    @Test
+    fun `decodePolyline decodes simple polyline correctly`() {
+        val encoded =
+            "sfbeH_rteAE|DQEy@GQ?wDQFkEH{G?M?sA@kB?_FAeC?o@?[@_@\\Ab@CVAz@CJA@?dBGhAGjAExAGlBEvBKdCKTAfCKLAv@ELA|AGnAGt@ClCKjDQpBIf@BXDPDPBF@ZB?S@SAYAUKi@Go@Cc@BgBBs@Bg@JyAJiAXqBDWNs@TaA\\mAFa@Po@`BwF?YL]FSFSl@iB^kALc@L]Ro@f@yAf@{AFQNe@dAoCdBgEx@qBTi@BITe@L[L_@^}@HSXu@pB}El@eAb@e@f@[h@QZCRAL?j@HRFh@Vf@XLJhAn@lAv@TLtAz@r@`@bAn@pAv@f@X~@j@z@h@vBpA`@VHDFFJFf@X`CzApAh@f@L`@Fz@@f@AXEVEVEhA[h@Yn@e@PQFEJKRWV[PW`@w@t@}AHQN]~BiFP]`AoBh@aADGTa@t@aAt@{@PQJKJGFG@Cd@]XSxDmCf@a@n@o@TY\\g@LQHMJSLUP[f@iAPg@b@yAFODMNi@FS|@qCVaAHUHUn@wBHYh@eBpAkEjBiGfAeDj@yADMFQd@sAf@kAJUh@qAf@eAt@sAn@iALSN[p@kAVc@JOLSj@w@z@}@x@q@pAu@p@_@j@Sl@MLCRCb@E`@?^?L@`ABz@?N@~AFdADJ@rAH`DVpCVrAJd@BfHp@zGl@pAJ|ALnGp@jEh@fBJpAFF?P@N@ZCtC]r@GJCFCLCD?TEVEXGhAYzAg@NGv@]`@QJEvB_AXMVK\\Qb@Qn@QJCNAZC^ENA`@FnBb@xEtA^H^JnCl@z@r@`@Pr@TtBlA~C`Bn@\\xAl@PF`@LrAVlCh@bBLl@BlBJdG\\RDjCHn@?pB?xB?R@`@@GxAC^?ZInBIfCAvC?r@@dD@n@@b@@^D`C?TDxAFbBHdB@VHp@RjAJb@NNH`@VlBFf@PzARhBFd@@LRbBFh@\\nC@FNhAb@lEj@tDPpABTBRZlBTdBXjBn@xEBLDTRpAR~@l@jDj@Qv@IrEP"
+        val result = GeoUtils.decodePolyline(encoded, 5)
+        assertEquals(339, result.size)
+
+        assertEquals(11.58204, result[10][0], 0.001)
+        assertEquals(48.18686, result[10][1], 0.001)
+
+        assertEquals(11.59979, result[100][0], 0.001)
+        assertEquals(48.17076, result[100][1], 0.001)
+
+    }
+
+    @Test
+    fun `decodePolyline returns empty list for empty string`() {
+        val result = GeoUtils.decodePolyline("")
+
+        assertTrue(result.isEmpty())
+    }
+
+    @Test
+    fun `createLineStringCollection creates valid GeoJSON`() {
+        val coordinates = listOf(
+            listOf(11.0, 48.0),
+            listOf(11.1, 48.1),
+            listOf(11.2, 48.2)
+        )
+
+        val result = GeoUtils.createLineStringCollection(coordinates)
+
+        assertTrue(result.contains("LineString"))
+        assertTrue(result.contains("11.0"))
+        assertTrue(result.contains("48.0"))
+        assertTrue(result.contains("FeatureCollection"))
+    }
+
+    @Test
+    fun `createPointCollection creates valid GeoJSON with category`() {
+        val coordinates = listOf(
+            listOf(11.0, 48.0),
+            listOf(11.1, 48.1)
+        )
+        val category = "TestCategory"
+
+        val result = GeoUtils.createPointCollection(coordinates, category)
+
+        assertTrue(result.contains("Point"))
+        assertTrue(result.contains("TestCategory"))
+        assertTrue(result.contains("FeatureCollection"))
+    }
+
+    @Test
+    fun `createPointCollection handles empty coordinates`() {
+        val coordinates = emptyList<List<Double>>()
+
+        val result = GeoUtils.createPointCollection(coordinates, "Empty")
+
+        assertTrue(result.contains("FeatureCollection"))
+    }
+
+    @Test
+    fun `calculateSquareRadius returns correct bounding box`() {
+        val lat = 48.0
+        val lng = 11.0
+        val radius = 1.0 // 1 km
+
+        val result = GeoUtils.calculateSquareRadius(lat, lng, radius)
+
+        // Result should be in format: lngMin,latMin,lngMax,latMax
+        val parts = result.split(",")
+        assertEquals(4, parts.size)
+
+        val lngMin = parts[0].toDouble()
+        val latMin = parts[1].toDouble()
+        val lngMax = parts[2].toDouble()
+        val latMax = parts[3].toDouble()
+
+        assertTrue(latMin < lat)
+        assertTrue(latMax > lat)
+        assertTrue(lngMin < lng)
+        assertTrue(lngMax > lng)
+        assertTrue(latMax - latMin > 0)
+        assertTrue(lngMax - lngMin > 0)
+    }
+
+    @Test
+    fun `getBoundingBox returns correct format`() {
+        val lat = 48.0
+        val lon = 11.0
+        val radius = 1.0 // 1 km
+
+        val result = GeoUtils.getBoundingBox(lat, lon, radius)
+
+        // Result should be in format: minLat,minLon,maxLat,maxLon
+        val parts = result.split(",")
+        assertEquals(4, parts.size)
+
+        val minLat = parts[0].toDouble()
+        val minLon = parts[1].toDouble()
+        val maxLat = parts[2].toDouble()
+        val maxLon = parts[3].toDouble()
+
+        assertTrue(minLat < lat)
+        assertTrue(maxLat > lat)
+        assertTrue(minLon < lon)
+        assertTrue(maxLon > lon)
+    }
+
+    @Test
+    fun `calculateSquareRadius and getBoundingBox produce different formats`() {
+        val lat = 48.0
+        val lng = 11.0
+        val radius = 1.0
+
+        val squareRadius = GeoUtils.calculateSquareRadius(lat, lng, radius)
+        val boundingBox = GeoUtils.getBoundingBox(lat, lng, radius)
+
+        // Both should have 4 comma-separated values
+        assertEquals(4, squareRadius.split(",").size)
+        assertEquals(4, boundingBox.split(",").size)
+
+        // But the order should be different
+        assertNotEquals(squareRadius, boundingBox)
+    }
+
+    @Test
+    fun `calculateSquareRadius scales with radius`() {
+        val lat = 48.0
+        val lng = 11.0
+
+        val smallRadius = GeoUtils.calculateSquareRadius(lat, lng, 1.0)
+        val largeRadius = GeoUtils.calculateSquareRadius(lat, lng, 10.0)
+
+        val smallParts = smallRadius.split(",").map { it.toDouble() }
+        val largeParts = largeRadius.split(",").map { it.toDouble() }
+
+        // Larger radius should produce larger bounding box
+        assertTrue((largeParts[3] - largeParts[1]) > (smallParts[3] - smallParts[1]))
+    }
+}

gradle/libs.versions.toml

@@ -1,6 +1,8 @@
 [versions]
 agp = "9.0.1"
+androidGpxParser = "2.3.1"
 androidSdkTurf = "6.0.1"
+datastore = "1.2.0"
 gradle = "9.0.1"
 koinAndroid = "4.1.1"
 koinAndroidxCompose = "4.1.1"
@@ -13,38 +15,45 @@ junitVersion = "1.3.0"
 espressoCore = "3.7.0"
 kotlinxSerializationJson = "1.10.0"
 lifecycleRuntimeKtx = "2.10.0"
-composeBom = "2026.02.00"
+composeBom = "2026.02.01"
 appcompat = "1.7.1"
 material = "1.13.0"
 carApp = "1.7.0"
 androidx-car = "1.7.0"
-objectboxKotlin = "5.2.0"
+materialIconsExtended = "1.7.8"
-objectboxProcessor = "5.2.0"
+mockitoCore = "5.21.0"
-ui = "1.10.0"
+mockitoKotlin = "6.2.3"
+rules = "1.7.0"
+runner = "1.7.0"
 material3 = "1.4.0"
-runtimeLivedata = "1.10.3"
+runtimeLivedata = "1.10.4"
-foundation = "1.10.3"
+foundation = "1.10.4"
-maplibre-composeMaterial3 = "0.12.2"
 maplibre-compose = "0.12.1"
 playServicesLocation = "21.3.0"
-runtime = "1.10.3"
+runtime = "1.10.4"
 accompanist = "0.37.3"
-uiVersion = "1.10.3"
+uiVersion = "1.10.4"
-uiText = "1.10.3"
+uiText = "1.10.4"
 navigationCompose = "2.9.7"
-uiToolingPreview = "1.10.3"
+uiToolingPreview = "1.10.4"
-uiTooling = "1.10.3"
+uiTooling = "1.10.4"
 material3WindowSizeClass = "1.4.0"
-uiGraphics = "1.10.3"
+uiGraphics = "1.10.4"
 window = "1.5.1"
-foundationLayout = "1.10.3"
+foundationLayout = "1.10.4"
 datastorePreferences = "1.2.0"
 datastoreCore = "1.2.0"
+monitor = "1.8.0"
 
 [libraries]
+android-gpx-parser = { module = "com.github.ticofab:android-gpx-parser", version.ref = "androidGpxParser" }
 android-sdk-turf = { module = "org.maplibre.gl:android-sdk-turf", version.ref = "androidSdkTurf" }
 androidx-app-projected = { module = "androidx.car.app:app-projected" }
+androidx-compose-material-icons-extended = { module = "androidx.compose.material:material-icons-extended", version.ref = "materialIconsExtended" }
 androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" }
+androidx-datastore = { module = "androidx.datastore:datastore", version.ref = "datastore" }
+androidx-rules = { module = "androidx.test:rules", version.ref = "rules" }
+androidx-runner = { module = "androidx.test:runner", version.ref = "runner" }
 gradle = { module = "com.android.tools.build:gradle", version.ref = "gradle" }
 junit = { group = "junit", name = "junit", version.ref = "junit" }
 androidx-junit = { group = "androidx.test.ext", name = "junit", version.ref = "junitVersion" }
@@ -60,10 +69,9 @@ koin-core = { module = "io.insert-koin:koin-core", version.ref = "koinCore" }
 kotlinx-serialization-json = { module = "org.jetbrains.kotlinx:kotlinx-serialization-json", version.ref = "kotlinxSerializationJson" }
 material = { group = "com.google.android.material", name = "material", version.ref = "material" }
 androidx-car-app = { group = "androidx.car.app", name = "app", version.ref = "carApp" }
-objectbox-kotlin = { module = "io.objectbox:objectbox-kotlin", version.ref = "objectboxKotlin" }
+mockito-core = { module = "org.mockito:mockito-core", version.ref = "mockitoCore" }
-objectbox-processor = { module = "io.objectbox:objectbox-processor", version.ref = "objectboxProcessor" }
+mockito-kotlin = { module = "org.mockito.kotlin:mockito-kotlin", version.ref = "mockitoKotlin" }
 maplibre-compose = { module = "org.maplibre.compose:maplibre-compose", version.ref = "maplibre-compose" }
-maplibre-composeMaterial3 = { module = "org.maplibre.compose:maplibre-compose-material3", version = "maplibre-composeMaterial3" }
 androidx-material3 = { group = "androidx.compose.material3", name = "material3", version.ref = "material3" }
 androidx-runtime-livedata = { group = "androidx.compose.runtime", name = "runtime-livedata", version.ref = "runtimeLivedata" }
 androidx-compose-foundation = { group = "androidx.compose.foundation", name = "foundation", version.ref = "foundation" }
@@ -82,10 +90,12 @@ androidx-window = { group = "androidx.window", name = "window", version.ref = "w
 androidx-compose-foundation-layout = { group = "androidx.compose.foundation", name = "foundation-layout", version.ref = "foundationLayout" }
 androidx-datastore-preferences = { module = "androidx.datastore:datastore-preferences", version.ref = "datastorePreferences" }
 androidx-datastore-core = { group = "androidx.datastore", name = "datastore-core", version.ref = "datastoreCore" }
+androidx-monitor = { group = "androidx.test", name = "monitor", version.ref = "monitor" }
 
 [plugins]
 android-application = { id = "com.android.application", version.ref = "agp" }
 kotlin-android = { id = "org.jetbrains.kotlin.android", version.ref = "kotlin" }
 kotlin-compose = { id = "org.jetbrains.kotlin.plugin.compose", version.ref = "kotlin" }
 android-library = { id = "com.android.library", version.ref = "agp" }
-
+kotlin-kapt = { id = "com.android.legacy-kapt", version.ref = "agp" }
+android-protobuf = {id = "com.google.protobuf" }

settings.gradle.kts

@@ -10,6 +10,14 @@ pluginManagement {
         mavenCentral()
         gradlePluginPortal()
     }
+    resolutionStrategy {
+        eachPlugin {
+            // Map the plugin ID to the Maven artifact
+            if (requested.id.id == "io.objectbox") {
+                useModule("io.objectbox:objectbox-gradle-plugin:${requested.version}")
+            }
+        }
+    }
 }
 dependencyResolutionManagement {
     repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)