ExitNumber, Flow

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

@@ -3,6 +3,7 @@ package com.kouros.navigation.car
 import android.annotation.SuppressLint
 import android.content.Context
 import android.location.Location
+import android.location.LocationListener
 import android.location.LocationManager
 import androidx.car.app.CarContext
 import androidx.core.location.LocationListenerCompat
@@ -10,7 +11,9 @@ import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.LifecycleOwner
 import androidx.lifecycle.lifecycleScope
 import androidx.lifecycle.repeatOnLifecycle
+import kotlinx.coroutines.channels.awaitClose
 import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.callbackFlow
 import kotlinx.coroutines.flow.collectLatest
 import kotlinx.coroutines.launch
 
@@ -59,6 +62,26 @@ class DeviceLocationManager(
         }
     }
 
+    /**
+     * Provides a flow of location updates from device GPS.
+     *
+     * deviceLocationManager.locationFlow().asLiveData().observe(this, ::updateLocation2)
+     *
+     * @return Flow emitting location updates
+     */
+    @SuppressLint("MissingPermission")
+    fun locationFlow(): Flow<Location> = callbackFlow {
+         val listener = LocationListener { location ->
+             if (shouldUseDeviceLocation && isListening) {
+                 trySend(location) // Emit the location update to the flow
+             }
+        }
+        locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 1000L, 5f, listener)
+        awaitClose {
+            locationManager.removeUpdates(listener) // Unregister listener on cancellation
+        }
+    }
+
     /**
      * Starts requesting location updates from device GPS.
      * Provides initial location via callback and then starts continuous updates.

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

@@ -4,7 +4,6 @@ import android.os.CountDownTimer
 import android.os.Handler
 import android.util.Log
 import androidx.car.app.CarContext
-import androidx.car.app.CarToast
 import androidx.car.app.Screen
 import androidx.car.app.model.Action
 import androidx.car.app.model.Action.FLAG_IS_PERSISTENT
@@ -21,7 +20,6 @@ import androidx.car.app.navigation.model.Destination
 import androidx.car.app.navigation.model.MapWithContentTemplate
 import androidx.car.app.navigation.model.MessageInfo
 import androidx.car.app.navigation.model.NavigationTemplate
-import androidx.car.app.navigation.model.PanModeListener
 import androidx.car.app.navigation.model.RoutingInfo
 import androidx.car.app.navigation.model.Step
 import androidx.car.app.navigation.model.TravelEstimate
@@ -100,6 +98,7 @@ open class NavigationScreen(
 
         repository.tripSuggestionFlow.asLiveData().observe(this, Observer {
             navigationViewModel.recentPlaces.observe(this, observerRecentPlaces)
+            //navigationViewModel.recentPlacesFlow(carContext, surfaceRenderer.lastLocation ).asLiveData().observe(this, ::test)
             tripSuggestion = it
         })
         repository.alternativeRoutesFlow.asLiveData().observe(this, Observer {

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

@@ -221,6 +221,10 @@ private fun exitNumber(
     ) {
         0
     } else {
-        instruction.exitNumber.toInt()
+        try {
+            instruction.exitNumber.toInt()
+        } catch (e: NumberFormatException) {
+            0
+        }
     }
 }

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

@@ -3,6 +3,8 @@ package com.kouros.navigation.model
 //import com.kouros.navigation.data.Preferences.boxStore
 import android.content.Context
 import android.location.Location
+import android.location.LocationListener
+import android.location.LocationManager
 import androidx.compose.runtime.snapshots.SnapshotStateList
 import androidx.compose.runtime.toMutableStateList
 import androidx.lifecycle.MutableLiveData
@@ -22,6 +24,9 @@ import com.kouros.navigation.utils.Levenshtein
 import com.kouros.navigation.utils.getSettingsRepository
 import com.kouros.navigation.utils.location
 import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.channels.awaitClose
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.callbackFlow
 import kotlinx.coroutines.flow.first
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.runBlocking
@@ -102,6 +107,16 @@ class NavigationViewModel(private val repository: NavigationRepository) : ViewMo
     }
 
     val gson: com.google.gson.Gson = GsonBuilder().create()
+    /**
+     * Retrieves recent places from Preferences as a Flow.
+     */
+    fun recentPlacesFlow(context: Context, location: Location,): Flow<Place> = callbackFlow {
+        for (place in recentPlaces.value!!) {
+            trySend(place)
+        }
+        awaitClose {
+        }
+    }
 
     /**
      * Loads all recent places from Preferences and calculates distances.