LocationPuck

2025-11-15 12:38:40 +01:00
parent d63747e811
commit 1773ec2244
15 changed files with 568 additions and 213 deletions
--- a/common/car/src/main/java/com/kouros/navigation/car/NavigationSession.kt
+++ b/common/car/src/main/java/com/kouros/navigation/car/NavigationSession.kt
@@ -12,7 +12,6 @@ import androidx.car.app.CarContext
 import androidx.car.app.Screen
 import androidx.car.app.ScreenManager
 import androidx.car.app.Session
-import androidx.car.app.navigation.model.Maneuver
 import androidx.core.location.LocationListenerCompat
 import androidx.core.net.toUri
 import androidx.lifecycle.DefaultLifecycleObserver
@@ -25,19 +24,18 @@ import com.kouros.navigation.car.screen.RequestPermissionScreen
 import com.kouros.navigation.car.screen.SearchScreen
 import com.kouros.navigation.data.Constants.TAG
 import com.kouros.navigation.data.ObjectBox
-import com.kouros.navigation.model.RouteModel

 class NavigationSession : Session() {
    val uriScheme = "samples";

    val uriHost = "navigation";

-    lateinit var route: RouteCarModel;
+    lateinit var routeModel: RouteCarModel;
    lateinit var navigationScreen: NavigationScreen
    lateinit var surfaceRenderer: SurfaceRenderer
    var locationIndex = 0

-    val test = true
+    val test = false

    var mLocationListener: LocationListenerCompat = LocationListenerCompat { location: Location? ->
        updateLocation(location)
@@ -75,12 +73,12 @@ class NavigationSession : Session() {
    }

    override fun onCreateScreen(intent: Intent): Screen {
-        route = RouteCarModel()
+        routeModel = RouteCarModel()
        ObjectBox.init(carContext);

-        surfaceRenderer = SurfaceRenderer(carContext, lifecycle, route)
+        surfaceRenderer = SurfaceRenderer(carContext, lifecycle, routeModel)

-        navigationScreen = NavigationScreen(carContext, surfaceRenderer, route)
+        navigationScreen = NavigationScreen(carContext, surfaceRenderer, routeModel)

        if (carContext.checkSelfPermission(Manifest.permission.ACCESS_FINE_LOCATION)
            == PackageManager.PERMISSION_GRANTED
@@ -152,7 +150,7 @@ class NavigationSession : Session() {
        updateLocation(location)
        locationManager.requestLocationUpdates(
            LocationManager.GPS_PROVIDER,
-            /* minTimeMs= */ 100,
+            /* minTimeMs= */ 1000,
            /* minDistanceM= */ 0f,
            mLocationListener
        )
@@ -169,14 +167,14 @@ class NavigationSession : Session() {
    }

    fun test(location: Location?) {
-        if (route.isNavigating() && locationIndex < route.polylineLocations.size) {
-            val loc = route.polylineLocations[locationIndex]
+        if (routeModel.isNavigating() && locationIndex < routeModel.polylineLocations.size) {
+            val loc = routeModel.polylineLocations[locationIndex]
            val curLocation = Location(LocationManager.GPS_PROVIDER)
            curLocation.longitude = loc[0]
            curLocation.latitude = loc[1]
            update(curLocation)
            locationIndex += 1
-            if (locationIndex > route.polylineLocations.size) {
+            if (locationIndex > routeModel.polylineLocations.size) {
                val locationManager =
                    carContext.getSystemService(Context.LOCATION_SERVICE) as LocationManager
                locationManager.removeUpdates(mLocationListener)
@@ -188,12 +186,12 @@ class NavigationSession : Session() {

    fun update(location: Location) {
        surfaceRenderer.updateLocation(location)
-        if (route.isNavigating()) {
-            route.findManeuver(location)
-//            if (routingModel.distanceToRoute > 50) {
-//                routingModel.stopNavigating()
+        if (routeModel.isNavigating()) {
+            routeModel.findManeuver(location)
+//            if (routeModel.distanceToRoute > 50) {
+//                routeModel.stopNavigation()
 //                locationIndex = 0
-//                surfaceRenderer.setGeoJson()
+//                surfaceRenderer.setRouteData()
 //                navigationScreen.reRoute()
 //            }
            navigationScreen.updateTrip()
--- a/common/car/src/main/java/com/kouros/navigation/car/SurfaceRenderer.kt
+++ b/common/car/src/main/java/com/kouros/navigation/car/SurfaceRenderer.kt
@@ -15,6 +15,7 @@ import androidx.compose.foundation.isSystemInDarkTheme
 import androidx.compose.foundation.layout.PaddingValues
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.livedata.observeAsState
 import androidx.compose.ui.graphics.Color
@@ -27,11 +28,11 @@ import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.setViewTreeLifecycleOwner
 import androidx.savedstate.setViewTreeSavedStateRegistryOwner
 import com.kouros.navigation.car.navigation.RouteCarModel
-import com.kouros.navigation.utils.NavigationUtils.Utils.createGeoJson
+import com.kouros.navigation.utils.NavigationUtils
+import kotlinx.coroutines.flow.onSubscription
 import org.maplibre.compose.camera.CameraPosition
 import org.maplibre.compose.camera.rememberCameraState
 import org.maplibre.compose.expressions.dsl.const
-import org.maplibre.compose.layers.CircleLayer
 import org.maplibre.compose.layers.FillLayer
 import org.maplibre.compose.layers.LineLayer
 import org.maplibre.compose.location.LocationPuck
@@ -45,13 +46,13 @@ import org.maplibre.compose.sources.rememberGeoJsonSource
 import org.maplibre.compose.style.BaseStyle
 import org.maplibre.spatialk.geojson.Position
 import kotlin.time.Duration.Companion.seconds
-import androidx.compose.runtime.collectAsState


-class SurfaceRenderer(carContext: CarContext, lifecycle: Lifecycle, 
-    private var routeModel: RouteCarModel) : DefaultLifecycleObserver {
-    var mVisibleArea: Rect? = null
-    var mStableArea: Rect? = null
+class SurfaceRenderer(
+    carContext: CarContext, lifecycle: Lifecycle,
+    private var routeModel: RouteCarModel
+) : DefaultLifecycleObserver {
+
    private val mCarContext: CarContext = carContext
    var lastLocation = Location(LocationManager.GPS_PROVIDER)
    val cameraPosition = MutableLiveData(
@@ -60,15 +61,15 @@ class SurfaceRenderer(carContext: CarContext, lifecycle: Lifecycle,
            target = Position(latitude = 48.1857475, longitude = 11.5793627)
        )
    )
-    val geojson = MutableLiveData("")
+    val routeData = MutableLiveData("")

-    val previewGeojson = MutableLiveData("")
+    val previewRouteData = MutableLiveData("")

    var preview = false

    lateinit var mapView: ComposeView

-    val tilt = 60.0
+    val tilt = 55.0
    val padding = PaddingValues(start = 150.dp, top = 250.dp)

    val prePadding = PaddingValues(start = 150.dp, bottom = 300.dp)
@@ -114,15 +115,14 @@ class SurfaceRenderer(carContext: CarContext, lifecycle: Lifecycle,
                presentation.show()
            }
        }
+
        override fun onVisibleAreaChanged(visibleArea: Rect) {
            synchronized(this@SurfaceRenderer) {
-                mVisibleArea = visibleArea
            }
        }

        override fun onStableAreaChanged(stableArea: Rect) {
            synchronized(this@SurfaceRenderer) {
-                mStableArea = stableArea
            }
        }

@@ -155,10 +155,9 @@ class SurfaceRenderer(carContext: CarContext, lifecycle: Lifecycle,

    @Composable
    fun Map() {
-
        val position: CameraPosition? by cameraPosition.observeAsState()
-        val geoJsonData: String? by geojson.observeAsState()
-        val previewGeoJsonData: String? by previewGeojson.observeAsState()
+        val route: String? by routeData.observeAsState()
+        val previewRoute: String? by previewRouteData.observeAsState()
        val cameraState =
            rememberCameraState(
                firstPosition =
@@ -172,15 +171,17 @@ class SurfaceRenderer(carContext: CarContext, lifecycle: Lifecycle,
                        padding = getPaddingValues()
                    )
            )
-        val variant = if (isSystemInDarkTheme()) "dark" else "light"
        val locationProvider = rememberDefaultLocationProvider()
        val locationState = rememberUserLocationState(locationProvider)
-
        MaplibreMap(
            cameraState = cameraState,
            //baseStyle = BaseStyle.Uri("https://tiles.openfreemap.org/styles/liberty"),
            baseStyle = BaseStyle.Uri("https://kouros-online.de/liberty"),
        ) {
+            getBaseSource(id = "openmaptiles")?.let { tiles ->
+                FillLayer(id = "example", visible = false, source = tiles, sourceLayer = "building")
+                RouteLayer(route, previewRoute)
+            }
            LocationPuck(
                idPrefix = "user-location",
                locationState = locationState,
@@ -188,18 +189,6 @@ class SurfaceRenderer(carContext: CarContext, lifecycle: Lifecycle,
                accuracyThreshold = 10f,
                colors = LocationPuckColors(accuracyStrokeColor = Color.Green)
            )
-            getBaseSource(id = "openmaptiles")?.let { tiles ->
-                FillLayer(id = "example", visible = false, source = tiles, sourceLayer = "building")
-                val coordinates = mutableListOf<List<Double>>()
-                coordinates.add(listOf(position!!.target.longitude, position!!.target.latitude))
-                coordinates.add(
-                    listOf(
-                        position!!.target.longitude + 0.00001,
-                        position!!.target.latitude + 0.00001
-                    )
-                )
-                RouteLayer(geoJsonData, previewGeoJsonData)
-            }
        }

        LaunchedEffect(position) {
@@ -217,26 +206,26 @@ class SurfaceRenderer(carContext: CarContext, lifecycle: Lifecycle,
    }

    @Composable
-    fun RouteLayer(geoJsonData: String?, previewGeoJsonData: String?) {
-        if (geoJsonData!!.isNotEmpty()) {
+    fun RouteLayer(routeData: String?, previewRoute: String?) {
+        if (routeData!!.isNotEmpty()) {
            val routes =
-                rememberGeoJsonSource(GeoJsonData.JsonString(geoJsonData!!))
+                rememberGeoJsonSource(GeoJsonData.JsonString(routeData))
            LineLayer(
                id = "routes-casing",
                source = routes,
                color = const(Color.White),
-                width = const(12.dp),
+                width = const(16.dp),
            )
            LineLayer(
                id = "routes",
                source = routes,
                color = const(Color.Blue),
-                width = const(10.dp),
+                width = const(14.dp),
            )
        }
-        if (previewGeoJsonData!!.isNotEmpty()) {
+        if (previewRoute!!.isNotEmpty()) {
            val routes =
-                rememberGeoJsonSource(GeoJsonData.JsonString(previewGeoJsonData!!))
+                rememberGeoJsonSource(GeoJsonData.JsonString(previewRoute))
            LineLayer(
                id = "routes-casing-pre",
                source = routes,
@@ -251,6 +240,7 @@ class SurfaceRenderer(carContext: CarContext, lifecycle: Lifecycle,
            )
        }
    }
+
    override fun onCreate(owner: LifecycleOwner) {
        Log.i(TAG, "SurfaceRenderer created")
        mCarContext.getCarService(AppManager::class.java)
@@ -276,16 +266,22 @@ class SurfaceRenderer(carContext: CarContext, lifecycle: Lifecycle,

    fun updateLocation(location: Location) {
        synchronized(this) {
-            var bearing = cameraPosition.value!!.bearing
-            if (lastLocation.latitude != location.latitude) {
-                if (lastLocation.distanceTo(location) > 10) {
-                    bearing = lastLocation.bearingTo(location).toDouble()
+            var bearing: Double
+            if (routeModel.isNavigating()) {
+                bearing = routeModel.currentStep().bearing
+            } else {
+                bearing = cameraPosition.value!!.bearing
+                if (lastLocation.latitude != location.latitude) {
+                    if (lastLocation.distanceTo(location) > 5) {
+                        bearing = lastLocation.bearingTo(location).toDouble()
+                    }
                }
            }
+            var zoom = NavigationUtils().calculateZoom(location.speed.toDouble())
            if (preview) {
                bearing = 0.0
+                zoom = 11.0
            }
-            val zoom = calculateZoom(location)
            cameraPosition.postValue(
                cameraPosition.value!!.copy(
                    bearing = bearing,
@@ -298,30 +294,13 @@ class SurfaceRenderer(carContext: CarContext, lifecycle: Lifecycle,
        }
    }

-    private fun calculateZoom(location: Location): Double {
-        if (preview) {
-            return 11.0
-        }
-        //var zoom = cameraPosition.value!!.zoom
-        val zoom = when (location.speed.toInt()) {
-            in 0..10 -> 17.0
-            in 11..20 -> 16.0
-            in 21..30 -> 15.0
-            in 31..40 -> 14.0
-            in 41..50 -> 13.0
-            in 51..60 -> 12.0
-            else -> 11
-        }
-        return zoom.toDouble()
-    }
-
-    fun setGeoJson() {
-        geojson.value = routeModel.geoJson
+    fun setRouteData() {
+        routeData.value = routeModel.route
        preview = false
    }

-    fun setPreviewGeoJson(geoRoute: String) {
-        previewGeojson.value = geoRoute
+    fun setPreviewRouteData(route: String) {
+        previewRouteData.value = route
        preview = true
    }

@@ -332,6 +311,7 @@ class SurfaceRenderer(carContext: CarContext, lifecycle: Lifecycle,
            padding
        }
    }
+
    companion
    object {
        private const val TAG = "MapRenderer"
--- a/common/car/src/main/java/com/kouros/navigation/car/navigation/RouteCarModel.kt
+++ b/common/car/src/main/java/com/kouros/navigation/car/navigation/RouteCarModel.kt
@@ -15,7 +15,6 @@
 */
 package com.kouros.navigation.car.navigation

-import android.net.Uri
 import android.text.SpannableString
 import androidx.annotation.DrawableRes
 import androidx.annotation.StringRes
@@ -43,34 +42,27 @@ class RouteCarModel() : RouteModel() {
    fun currentStep(carContext: CarContext): Step {
        val maneuver = (maneuvers[maneuverIndex] as JSONObject)
        val maneuverType = maneuver.getInt("type")
-        val distanceStepLeft = leftStepDistance() * 1000
-        var text = ""
+
+        val stepData = currentStep()
+
        var routing: (Pair<Int, CarIcon>)
        routing = if (hasArrived(maneuverType)) {
            routingData(maneuverType, carContext)
        } else {
            routingData(ManeuverType.None.value, carContext)
        }
-        when (distanceStepLeft) {
+        when (stepData.leftDistance) {
            in 0.0..100.0 -> {
                if (maneuverIndex < maneuvers.length()) {
                    val maneuver = (maneuvers[maneuverIndex + 1] as JSONObject)
-                    if (maneuver.optJSONArray("street_names") != null) {
-                        text = maneuver.getJSONArray("street_names").get(0) as String
-                    }
                    val maneuverType = maneuver.getInt("type")
                    routing = routingData(maneuverType, carContext)
                }
            }
-            else -> {
-                if (maneuver.optJSONArray("street_names") != null) {
-                    text = maneuver.getJSONArray("street_names").get(0) as String
-                }
-            }
        }

        val currentStepCueWithImage: SpannableString =
-            createString(text)
+            createString(stepData.instruction)
        val step =
            Step.Builder(currentStepCueWithImage)
                .setManeuver(
@@ -88,8 +80,8 @@ class RouteCarModel() : RouteModel() {
        val maneuver = (maneuvers[maneuverIndex + 1] as JSONObject)
        val maneuverType = maneuver.getInt("type")
        val routing = routingData(maneuverType, carContext)
-        val distanceLeft = leftStepDistance() * 1000
        var text = ""
+        val distanceLeft = leftStepDistance() * 1000

        when (distanceLeft) {
            in 0.0..100.0 -> {
--- a/common/car/src/main/java/com/kouros/navigation/car/screen/NavigationScreen.kt
+++ b/common/car/src/main/java/com/kouros/navigation/car/screen/NavigationScreen.kt
@@ -24,7 +24,6 @@ import androidx.lifecycle.Observer
 import com.kouros.android.cars.carappservice.R
 import com.kouros.navigation.car.NavigationCarAppService
 import com.kouros.navigation.car.SurfaceRenderer
-import com.kouros.navigation.car.navigation.NavigationMessage
 import com.kouros.navigation.car.navigation.RouteCarModel
 import com.kouros.navigation.data.NavigationRepository
 import com.kouros.navigation.data.Place
@@ -41,8 +40,8 @@ class NavigationScreen(
    val vieModel = ViewModel(NavigationRepository())
    val observer = Observer<String> { route ->
        if (route.isNotEmpty()) {
-            routeModel.createNavigationRoute(route)
-            surfaceRenderer.setGeoJson()
+            routeModel.startNavigation(route)
+            surfaceRenderer.setRouteData()
            invalidate()
        }
    }
@@ -84,8 +83,8 @@ class NavigationScreen(
                        .build()
                )
                .setOnClickListener {
-                    surfaceRenderer.geojson.postValue("")
-                    routeModel.stopNavigating()
+                    surfaceRenderer.routeData.postValue("")
+                    routeModel.stopNavigation()
                    invalidate()
                }
                .build()
@@ -241,7 +240,7 @@ class NavigationScreen(
    fun updateTrip() {
        if (routeModel.maneuverType == Maneuver.TYPE_DESTINATION && routeModel.leftStepDistance() * 1000 < 25.0) {
            routeModel.arrived = true
-            routeModel.stopNavigating()
+            routeModel.stopNavigation()
        }
        invalidate()
    }
--- a/common/car/src/main/java/com/kouros/navigation/car/screen/RoutePreviewScreen.kt
+++ b/common/car/src/main/java/com/kouros/navigation/car/screen/RoutePreviewScreen.kt
@@ -67,8 +67,8 @@ class RoutePreviewScreen(
    val navigationMessage = NavigationMessage(carContext)
    val observer = Observer<String> { route ->
        if (route.isNotEmpty()) {
-            routeModel.createNavigationRoute(route)
-            surfaceRenderer.setPreviewGeoJson(routeModel.geoJson)
+            routeModel.startNavigation(route)
+            surfaceRenderer.setPreviewRouteData(routeModel.route)
            val geocoder = Geocoder(carContext)
            geocoder.getFromLocation(destination.latitude, destination.longitude, 1) {
                for (address in it) {
--- a/common/car/src/main/res/values-de/strings.xml
+++ b/common/car/src/main/res/values-de/strings.xml
@@ -47,26 +47,17 @@
    <string name="no_action_title" msgid="1452124604210014010">"Nein"</string>
    <string name="disable_all_rows" msgid="3003225080532928046">"Alle Zeilen deaktivieren"</string>
    <string name="enable_all_rows" msgid="7274285275711872091">"Alle Zeilen aktivieren"</string>
-    <string name="bug_reported_toast_msg" msgid="2487119172744644317">"Fehler wurde gemeldet!"</string>
    <string name="zoomed_in_toast_msg" msgid="8915301497303842649">"Herangezoomt"</string>
    <string name="zoomed_out_toast_msg" msgid="6260981223227212493">"Herausgezoomt"</string>
    <string name="triggered_toast_msg" msgid="3396166539208366382">"Ausgelöst"</string>
-    <string name="primary_toast_msg" msgid="7153771322662005447">"Primäre Schaltfläche gedrückt"</string>
-    <string name="search_toast_msg" msgid="7826530065407699347">"Schaltfläche „Suchen“ gedrückt"</string>
-    <string name="options_toast_msg" msgid="2146223786877557730">"Optionsschaltfläche gedrückt"</string>
    <string name="favorite_toast_msg" msgid="522064494016370117">"Favorit!"</string>
    <string name="not_favorite_toast_msg" msgid="6831181108681007428">"Kein Favorit!"</string>
    <string name="nav_requested_toast_msg" msgid="6696525973145493908">"Navigation angefragt"</string>
    <string name="selected_route_toast_msg" msgid="3149189677200086656">"Ausgewählte Route"</string>
    <string name="visible_routes_toast_msg" msgid="7065558153736024203">"Sichtbare Routen"</string>
-    <string name="second_item_toast_msg" msgid="7210054709419608215">"Zweiter Eintrag angeklickt"</string>
-    <string name="third_item_checked_toast_msg" msgid="3022450599567347361">"Dritter Eintrag aktiviert"</string>
-    <string name="fifth_item_checked_toast_msg" msgid="1627599668504718594">"Fünfter Eintrag aktiviert"</string>
-    <string name="sixth_item_toast_msg" msgid="6117028866385793707">"Sechster Eintrag angeklickt"</string>
    <string name="settings_toast_msg" msgid="7697794473002342727">"Einstellungen angeklickt"</string>
    <string name="parked_toast_msg" msgid="2532422265890824446">"Aktion „Geparkt“"</string>
    <string name="more_toast_msg" msgid="5938288138225509885">"„Mehr“ angeklickt"</string>
-    <string name="commute_toast_msg" msgid="4112684360647638688">"Schaltfläche für Arbeitsweg gedrückt"</string>
    <string name="grant_location_permission_toast_msg" msgid="268046297444808010">"Standortermittlung erlauben, um aktuellen Standort anzuzeigen"</string>
    <string name="sign_in_with_google_toast_msg" msgid="5720947549233124775">"Über Google anmelden beginnt hier"</string>
    <string name="changes_selection_to_index_toast_msg_prefix" msgid="957766225794389167">"Auswahl auf Index geändert"</string>
--- a/common/car/src/main/res/values/strings.xml
+++ b/common/car/src/main/res/values/strings.xml
@@ -15,7 +15,7 @@
 limitations under the License.
 -->
 <resources>
-  <string name="app_name" translatable="false">Showcase</string>
+  <string name="app_name" translatable="false">Navigation</string>

  <!-- Action Titles -->
  <string name="back_caps_action_title">BACK</string>
@@ -50,27 +50,18 @@
  <string name="enable_all_rows">Enable All Rows</string>

  <!-- Toast Messages -->
-  <string name="bug_reported_toast_msg">Bug reported!</string>
-  <string name="zoomed_in_toast_msg">Zoomed in</string>
+    <string name="zoomed_in_toast_msg">Zoomed in</string>
  <string name="zoomed_out_toast_msg">Zoomed out</string>
  <string name="triggered_toast_msg">Triggered</string>
-  <string name="primary_toast_msg">Primary button pressed</string>
-  <string name="search_toast_msg">Search button pressed</string>
-  <string name="options_toast_msg">Options button pressed</string>
-  <string name="favorite_toast_msg">Favorite!</string>
+    <string name="favorite_toast_msg">Favorite!</string>
  <string name="not_favorite_toast_msg">Not a favorite!</string>
  <string name="nav_requested_toast_msg">Navigation Requested</string>
  <string name="selected_route_toast_msg">Selected route</string>
  <string name="visible_routes_toast_msg">Visible routes</string>
-  <string name="second_item_toast_msg">Clicked second item</string>
-  <string name="third_item_checked_toast_msg">Third item checked</string>
-  <string name="fifth_item_checked_toast_msg">Fifth item checked</string>
-  <string name="sixth_item_toast_msg">Clicked sixth item</string>
-  <string name="settings_toast_msg">Clicked Settings</string>
+    <string name="settings_toast_msg">Clicked Settings</string>
  <string name="parked_toast_msg">Parked action</string>
  <string name="more_toast_msg">Clicked More</string>
-  <string name="commute_toast_msg">Commute button pressed</string>
-  <string name="grant_location_permission_toast_msg">Grant location Permission to see current location</string>
+    <string name="grant_location_permission_toast_msg">Grant location Permission to see current location</string>
  <string name="sign_in_with_google_toast_msg">Sign-in with Google starts here</string>
  <string name="changes_selection_to_index_toast_msg_prefix">Changed selection to index</string>
  <string name="yes_action_toast_msg">Yes button pressed!</string>
--- a/common/car/src/test/java/com/kouros/navigation/car/Route.json
+++ b/common/car/src/test/java/com/kouros/navigation/car/Route.json
@@ -0,0 +1,255 @@
+{
+  "trip": {
+    "locations": [
+      {
+        "type": "break",
+        "lat": 48.185749,
+        "lon": 11.579374,
+        "side_of_street": "right",
+        "original_index": 0
+      },
+      {
+        "type": "break",
+        "lat": 48.116481,
+        "lon": 11.594322,
+        "street": "Hohenwaldeckstr. 27",
+        "side_of_street": "left",
+        "original_index": 1
+      }
+    ],
+    "legs": [
+      {
+        "maneuvers": [
+          {
+            "type": 2,
+            "instruction": "Auf Vogelhartstraße Richtung Westen fahren.",
+            "verbal_succinct_transition_instruction": "Richtung Westen fahren. Dann Rechts auf Silcherstraße abbiegen.",
+            "verbal_pre_transition_instruction": "Auf Vogelhartstraße Richtung Westen fahren. Dann Rechts auf Silcherstraße abbiegen.",
+            "verbal_post_transition_instruction": "70 Meter weiter der Route folgen.",
+            "street_names": [
+              "Vogelhartstraße"
+            ],
+            "bearing_after": 273,
+            "time": 16.965,
+            "length": 0.07,
+            "cost": 34.428,
+            "begin_shape_index": 0,
+            "end_shape_index": 6,
+            "verbal_multi_cue": true,
+            "travel_mode": "drive",
+            "travel_type": "car"
+          },
+          {
+            "type": 10,
+            "instruction": "Rechts auf Silcherstraße abbiegen.",
+            "verbal_transition_alert_instruction": "Rechts auf Silcherstraße abbiegen.",
+            "verbal_succinct_transition_instruction": "Rechts abbiegen.",
+            "verbal_pre_transition_instruction": "Rechts auf Silcherstraße abbiegen.",
+            "verbal_post_transition_instruction": "200 Meter weiter der Route folgen.",
+            "street_names": [
+              "Silcherstraße"
+            ],
+            "bearing_before": 273,
+            "bearing_after": 5,
+            "time": 43.25,
+            "length": 0.156,
+            "cost": 89.306,
+            "begin_shape_index": 6,
+            "end_shape_index": 13,
+            "travel_mode": "drive",
+            "travel_type": "car"
+          },
+          {
+            "type": 10,
+            "instruction": "Rechts auf Schmalkaldener Straße abbiegen.",
+            "verbal_transition_alert_instruction": "Rechts auf Schmalkaldener Straße abbiegen.",
+            "verbal_succinct_transition_instruction": "Rechts abbiegen.",
+            "verbal_pre_transition_instruction": "Rechts auf Schmalkaldener Straße abbiegen.",
+            "verbal_post_transition_instruction": "400 Meter weiter der Route folgen.",
+            "street_names": [
+              "Schmalkaldener Straße"
+            ],
+            "bearing_before": 2,
+            "bearing_after": 93,
+            "time": 108.947,
+            "length": 0.43,
+            "cost": 217.43,
+            "begin_shape_index": 13,
+            "end_shape_index": 29,
+            "travel_mode": "drive",
+            "travel_type": "car"
+          },
+          {
+            "type": 10,
+            "instruction": "Rechts auf Ingolstädter Straße/B 13 abbiegen.",
+            "verbal_transition_alert_instruction": "Rechts auf Ingolstädter Straße abbiegen.",
+            "verbal_succinct_transition_instruction": "Rechts abbiegen.",
+            "verbal_pre_transition_instruction": "Rechts auf Ingolstädter Straße, B 13 abbiegen.",
+            "verbal_post_transition_instruction": "einen Kilometer weiter der Route folgen.",
+            "street_names": [
+              "B 13"
+            ],
+            "begin_street_names": [
+              "Ingolstädter Straße",
+              "B 13"
+            ],
+            "bearing_before": 88,
+            "bearing_after": 178,
+            "time": 147.528,
+            "length": 1.064,
+            "cost": 230.646,
+            "begin_shape_index": 29,
+            "end_shape_index": 65,
+            "travel_mode": "drive",
+            "travel_type": "car"
+          },
+          {
+            "type": 19,
+            "instruction": "Auf die Auffahrt nach links abbiegen.",
+            "verbal_transition_alert_instruction": "Auf die Auffahrt nach links abbiegen.",
+            "verbal_pre_transition_instruction": "Auf die Auffahrt nach links abbiegen.",
+            "street_names": [
+              "Schenkendorfstraße"
+            ],
+            "bearing_before": 188,
+            "bearing_after": 98,
+            "time": 61.597,
+            "length": 0.374,
+            "cost": 117.338,
+            "begin_shape_index": 65,
+            "end_shape_index": 84,
+            "travel_mode": "drive",
+            "travel_type": "car"
+          },
+          {
+            "type": 24,
+            "instruction": "Links halten auf B 2R.",
+            "verbal_transition_alert_instruction": "Links halten auf B 2R.",
+            "verbal_pre_transition_instruction": "Links halten auf B 2R.",
+            "verbal_post_transition_instruction": "6 Kilometer weiter der Route folgen.",
+            "street_names": [
+              "B 2R"
+            ],
+            "bearing_before": 117,
+            "bearing_after": 118,
+            "time": 509.658,
+            "length": 6.37,
+            "cost": 580.602,
+            "begin_shape_index": 84,
+            "end_shape_index": 240,
+            "travel_mode": "drive",
+            "travel_type": "car"
+          },
+          {
+            "type": 20,
+            "instruction": "An der Ausfahrt rechts abfahren.",
+            "verbal_transition_alert_instruction": "An der Ausfahrt rechts abfahren.",
+            "verbal_pre_transition_instruction": "An der Ausfahrt rechts abfahren.",
+            "verbal_post_transition_instruction": "einen Kilometer weiter der Route folgen.",
+            "street_names": [
+              "Ampfingstraße"
+            ],
+            "bearing_before": 191,
+            "bearing_after": 206,
+            "time": 133.661,
+            "length": 1.031,
+            "cost": 226.661,
+            "begin_shape_index": 240,
+            "end_shape_index": 280,
+            "travel_mode": "drive",
+            "travel_type": "car"
+          },
+          {
+            "type": 10,
+            "instruction": "Rechts auf Anzinger Straße abbiegen.",
+            "verbal_transition_alert_instruction": "Rechts auf Anzinger Straße abbiegen.",
+            "verbal_succinct_transition_instruction": "Rechts abbiegen.",
+            "verbal_pre_transition_instruction": "Rechts auf Anzinger Straße abbiegen.",
+            "verbal_post_transition_instruction": "1.5 Kilometer weiter der Route folgen.",
+            "street_names": [
+              "Anzinger Straße"
+            ],
+            "bearing_before": 182,
+            "bearing_after": 277,
+            "time": 211.637,
+            "length": 1.444,
+            "cost": 450.654,
+            "begin_shape_index": 280,
+            "end_shape_index": 334,
+            "travel_mode": "drive",
+            "travel_type": "car"
+          },
+          {
+            "type": 15,
+            "instruction": "Links auf Hohenwaldeckstraße abbiegen.",
+            "verbal_transition_alert_instruction": "Links auf Hohenwaldeckstraße abbiegen.",
+            "verbal_succinct_transition_instruction": "Links abbiegen.",
+            "verbal_pre_transition_instruction": "Links auf Hohenwaldeckstraße abbiegen.",
+            "verbal_post_transition_instruction": "200 Meter weiter der Route folgen.",
+            "street_names": [
+              "Hohenwaldeckstraße"
+            ],
+            "bearing_before": 249,
+            "bearing_after": 170,
+            "time": 45.365,
+            "length": 0.183,
+            "cost": 84.344,
+            "begin_shape_index": 334,
+            "end_shape_index": 342,
+            "travel_mode": "drive",
+            "travel_type": "car"
+          },
+          {
+            "type": 6,
+            "instruction": "Hohenwaldeckstr. 27 befindet sich auf der linken Seite.",
+            "verbal_transition_alert_instruction": "Hohenwaldeckstr. 27 befindet sich auf der linken Seite.",
+            "verbal_pre_transition_instruction": "Hohenwaldeckstr. 27 befindet sich auf der linken Seite.",
+            "bearing_before": 184,
+            "time": 0,
+            "length": 0,
+            "cost": 0,
+            "begin_shape_index": 342,
+            "end_shape_index": 342,
+            "travel_mode": "drive",
+            "travel_type": "car"
+          }
+        ],
+        "summary": {
+          "level_changes": [
+            [220, -1]
+          ],
+          "has_time_restrictions": false,
+          "has_toll": false,
+          "has_highway": false,
+          "has_ferry": false,
+          "min_lat": 48.116486,
+          "min_lon": 11.578422,
+          "max_lat": 48.186957,
+          "max_lon": 11.616382,
+          "time": 1278.611,
+          "length": 11.123,
+          "cost": 2031.412
+        },
+        "shape": "mk_|zA_}vaUA^MzKKhKMrKMrLEbEeLs@kGa@yV}AmIa@cJ]g@AgQc@TgTn@ak@\\}Y`@u~@NiZRss@Ekc@AcGAwE?iB@yN@mH@_L?sAOiVEiGrISbH[|s@kC`KY~Qw@dk@mBdBErH]bIa@pNk@pAGxgA}ErQw@f`@eB`AAhEOjDO~Kg@bh@cCpTcAtEUlBKtFMbk@cBpt@eDfScAlH]hHY`HTdATbBl@rAd@|Bz@xBr@|F`AzD\\l@mHHsCAeDcAkImBiLs@}Ii@wOh@a]vAu[bB{VjCmXjCuUtDoU~A}JjBmIvDmOvDgOfCiJdB}HvAsG|FwSzGaV`IgWdC_K\\cG~Pii@pUcr@dYaz@lEkMdDsPpMm]|Tqj@tQwc@jQsb@nVwm@vEmL`k@suAxHyPzFaKrBaD|AmBxCeDpC}BvDmCnEyBnDuAzFyAhDWdDW|D?~CPjFj@lHrB|QzI~O~Jb]lS`ZbR~NnIhCdBdDtBb`Azk@fhAdr@vN~I~l@|]vr@vVb]jElZw@xG{@jEw@`KiCfLiFrJ_GnPaNjJaJzJoNxMgUtU}g@d]_w@f_@ev@tO_YhRmYbHwIxG_I|NwN~AyAdTiP~b@iZ~J}GxScQ`JoIfGwGtEwFnCqDbEaG~CcFhHgMrGcNxHmR|FaQnCwIpAeEdCiIje@}}AnQil@pGySjCyIvSor@nJ{ZpHwVbQyk@zIkXlHkTrOcc@bPic@rUyk@vKoVnMaWfWed@rT_`@jQcZhBwCzCsEtCcElC}CzCiDrCiCnH{GzLwJlGwDfH_ElGeDhHwClHyBrG{BdK_CzMsBzJgAbIq@jI?nYGbSTfGDvEDnGRfWx@|i@lEvpBbUdRrBpLfAl_@jDr|Ghm@hu@jGrWrBpd@fAxG[raBgUl[{HhM}DzOeGdXiLpCuAzwAij@lEcAbF_AnEc@|DDzE[dAGrIh@|APfe@lLbc@lLpWbIbdAnYnKlBf]|Tzi@rZbl@|ZtSjJpOhG~HvB`AVvBl@hBf@vBl@`AXrJrCtZjHhRvCrKpAjAN|Gb@hLr@dLp@xYbB`CPlDNxBLlOv@n{@jE~F\\lDP|Ov@lSn@rGNrGPlHAxICnJCvJBhFBrQL~E?dC?zFJ[xIcB|_@}Add@kAvi@i@zg@AtGEd_@f@lq@lB`|@jApd@tA`l@XpFn@lHf@bFnAdMjA`HnDpQfEfSvElPfBdOvCrWjP|xANrA|@bH\\pC\\lCNnA~Hhn@dB|MnAtJrAlK`AzH~@hHvBvPj@pEl@zFx@zH^hD~BlQdEbZhF`_@rAbJ|AjK~AtKzBrNt@nFv@lFtB`OdCfQbMb_AlDnUrDvTvF|ZzIxh@jDm@zHgBhF{@lC[`L]jMr@bNj@~_@bB"
+      }
+    ],
+    "summary": {
+      "has_time_restrictions": false,
+      "has_toll": false,
+      "has_highway": false,
+      "has_ferry": false,
+      "min_lat": 48.116486,
+      "min_lon": 11.578422,
+      "max_lat": 48.186957,
+      "max_lon": 11.616382,
+      "time": 1278.611,
+      "length": 11.123,
+      "cost": 2031.412
+    },
+    "status_message": "Found route between points",
+    "status": 0,
+    "units": "kilometers",
+    "language": "de-DE"
+  },
+  "id": "my_work_route"
+}
--- a/common/car/src/test/java/com/kouros/navigation/car/UnitTest.kt
+++ b/common/car/src/test/java/com/kouros/navigation/car/UnitTest.kt
@@ -1,6 +1,12 @@
 package com.kouros.navigation.car

-import com.kouros.navigation.car.navigation.RoutingModel
+import android.location.Location
+import android.location.LocationManager
+import com.kouros.navigation.data.Constants.home2Location
+import com.kouros.navigation.data.Constants.homeLocation
+import com.kouros.navigation.data.NavigationRepository
+import com.kouros.navigation.model.RouteModel
+import com.kouros.navigation.model.ViewModel
 import org.junit.Assert.assertEquals
 import org.junit.Test

@@ -14,5 +20,18 @@ class ExampleUnitTest {
    @Test
    fun addition_isCorrect() {
        assertEquals(4, 2 + 2)
+        val model = RouteModel()
+        val repo = NavigationRepository()
+        val viewModel = ViewModel(repo)
+        val fromLocation = Location(LocationManager.GPS_PROVIDER)
+        fromLocation.latitude = homeLocation.latitude
+        fromLocation.longitude = homeLocation.longitude
+        val toLocation = Location(LocationManager.GPS_PROVIDER)
+        toLocation.latitude = home2Location.latitude
+        toLocation.longitude = home2Location.longitude
+
+        val route = repo.getRoute(fromLocation, toLocation)
+        model.startNavigation(route)
+        println(route)
    }
-}
+}
--- a/common/data/src/main/java/com/kouros/navigation/data/Place.kt
+++ b/common/data/src/main/java/com/kouros/navigation/data/Place.kt
@@ -21,7 +21,6 @@ import android.location.LocationManager
 import android.net.Uri
 import io.objectbox.annotation.Entity
 import io.objectbox.annotation.Id
-import io.objectbox.annotation.Index
 import kotlinx.serialization.Serializable

 data class Category(
@@ -52,6 +51,12 @@ data class ContactData(
    val avatar: Uri?
 )

+data class StepData (
+    var instruction: String,
+    var leftDistance: Double,
+    var bearing: Double
+)
+

 //val places = mutableListOf<Place>()
  /*  Place(
--- a/common/data/src/main/java/com/kouros/navigation/model/Contacts.kt
+++ b/common/data/src/main/java/com/kouros/navigation/model/Contacts.kt
@@ -33,7 +33,9 @@ class Contacts(private var context: Context) {
            while (moveToNext()) {
                val contactId = getLong(getColumnIndex(ContactsContract.Data.CONTACT_ID))
                val name = getString(getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME))
-                if (name.contains("Jola") || name.contains("Dominic")
+                if (name.contains("Jola")
+                    || name.contains("Dominic")
+                    || name.contains("Martha")
                    || name.contains("Μεντή")
                    || name.contains("David")) {
                    val mimeType: String = getString(getColumnIndex(ContactsContract.Data.MIMETYPE))
--- a/common/data/src/main/java/com/kouros/navigation/model/RouteModel.kt
+++ b/common/data/src/main/java/com/kouros/navigation/model/RouteModel.kt
@@ -3,6 +3,7 @@ package com.kouros.navigation.model
 import android.location.Location
 import android.location.LocationManager
 import com.kouros.navigation.data.Place
+import com.kouros.navigation.data.StepData
 import com.kouros.navigation.utils.NavigationUtils.Utils.createGeoJson
 import com.kouros.navigation.utils.NavigationUtils.Utils.decodePolyline
 import org.json.JSONArray
@@ -10,23 +11,19 @@ import org.json.JSONObject
 import kotlin.math.roundToInt


-open class RouteModel {
-
+// Source - https://stackoverflow.com/a
+// Posted by Dmitrii Bychkov
+// Retrieved 2025-11-14, License - CC BY-SA 4.0
+open class RouteModel () {
    var polylineLocations: List<List<Double>> = emptyList()
-
    lateinit var maneuvers: JSONArray
    lateinit var locations: JSONArray
    lateinit var summary: JSONObject
-
    lateinit var destination: Place
    var navigating = false
-
    var arrived = false
-
    var maneuverIndex = 0
-
    var maneuverType = 0
-
    var currentIndex = 0

    var distanceToStepEnd = 0F
@@ -38,13 +35,23 @@ open class RouteModel {

    var distanceToRoute = 0F

-    var geoJson = ""
+    var route = ""

-    private fun decodeValhallaRoute(route: String) {
-        if (route.isEmpty() || route == "[]") {
+    data class Builder(
+        var route: String? = null,
+        var fromLocation: Location? = null,
+        var toLocation: Location? = null) {
+
+        fun route(route: String) = apply { this.route = route }
+        fun fromLocation(fromLocation: Location) = apply { this.fromLocation = fromLocation }
+        fun toLocation(toLocation: Location) = apply { this.toLocation = toLocation }
+        //fun build() = RouteModel(route!!, fromLocation!!, toLocation!!)
+    }
+    private fun decodeValhallaRoute(valhallaRoute: String) {
+        if (valhallaRoute.isEmpty() || valhallaRoute == "[]") {
            return;
        }
-        val jObject = JSONObject(route)
+        val jObject = JSONObject(valhallaRoute)
        val trip = jObject.getJSONObject("trip")
        locations = trip.getJSONArray("locations")
        val legs = trip.getJSONArray("legs")
@@ -54,13 +61,13 @@ open class RouteModel {
        polylineLocations = decodePolyline(shape)
    }

-    fun createNavigationRoute(route: String) {
-        decodeValhallaRoute(route)
+    fun startNavigation(valhallaRoute: String) {
+        decodeValhallaRoute(valhallaRoute)
        for (i in 0..<maneuvers.length()) {
            val maneuver = (maneuvers[i] as JSONObject)
            routingManeuvers.add(maneuver)
        }
-        geoJson = createGeoJson(polylineLocations)
+        route = createGeoJson(polylineLocations)
        navigating = true
    }

@@ -88,6 +95,31 @@ open class RouteModel {
        distanceToRoute = nearestDistance
    }

+    fun currentStep(): StepData {
+        var bearing = 0
+        val maneuver = (maneuvers[maneuverIndex] as JSONObject)
+        var text = ""
+        if (maneuver.optJSONArray("street_names") != null) {
+            text =  maneuver.getJSONArray("street_names").get(0) as String
+        }
+        if (maneuver.has("bearing_after")) {
+            bearing =  maneuver.getInt("bearing_after")
+        }
+        val distanceStepLeft = leftStepDistance() * 1000
+        when (distanceStepLeft) {
+            in 0.0..100.0 -> {
+                if (maneuverIndex < maneuvers.length()) {
+                    val maneuver = (maneuvers[maneuverIndex + 1] as JSONObject)
+                    if (maneuver.optJSONArray("street_names") != null) {
+                        text = maneuver.getJSONArray("street_names").get(0) as String
+                    }
+                }
+            }
+        }
+        return StepData(text, distanceStepLeft, bearing.toDouble())
+
+    }
+

    /** Calculates the index in a maneuver.  */
    private fun calculateCurrentIndex(
@@ -159,8 +191,6 @@ open class RouteModel {
        val maneuver = routingManeuvers[maneuverIndex]
        var leftDistance = maneuver.getDouble("length")
        if (endIndex > 0) {
-            val percent = 100 * (endIndex - currentIndex) / (endIndex - beginIndex)
-            //leftDistance = leftDistance * percent / 100
            leftDistance = (distanceToStepEnd / 1000).toDouble()
        }
        return leftDistance
@@ -190,11 +220,11 @@ open class RouteModel {
        return arrived
    }

-    fun stopNavigating() {
+    fun stopNavigation() {
        navigating = false
        polylineLocations = mutableListOf()
        routingManeuvers = mutableListOf()
-        geoJson = ""
+        route = ""
        maneuverIndex = 0
        currentIndex = 0
        distanceToStepEnd = 0F
--- a/common/data/src/main/java/com/kouros/navigation/utils/NavigationUtils.kt
+++ b/common/data/src/main/java/com/kouros/navigation/utils/NavigationUtils.kt
@@ -105,4 +105,20 @@ class NavigationUtils() {
            //return LatLng(toDegrees(asin(sinLat)), toDegrees(fromLng + dLng))
        }
    }
+
+    fun calculateZoom(speed: Double?): Double {
+        if (speed == null) {
+            return 18.0
+        }
+        val zoom = when (speed.toInt()) {
+            in 0..10 -> 17.0
+            in 11..20 -> 17.0
+            in 21..30 -> 17.0
+            in 31..40 -> 16.0
+            in 41..50 -> 15.0
+            in 51..60 -> 14.0
+            else -> 11
+        }
+        return zoom.toDouble()
+    }
 }