some drawings on maps

app/src/main/java/com/akaver/sportmap/C.kt

@@ -11,6 +11,11 @@ class C {
 
         const val LOCATION_UPDATE_ACTION = PREFIX + "location_update"
 
+        const val LOCATION_UPDATE_STOP = PREFIX + "location_stop"
+
+        const val LOCATION_UPDATE_ACTION_LAT = PREFIX + "location_update.lat"
+        const val LOCATION_UPDATE_ACTION_LON = PREFIX + "location_update.lon"
+
         const val LOCATION_UPDATE_ACTION_OVERALL_DIRECT = PREFIX + "location_update.overall_direct"
         const val LOCATION_UPDATE_ACTION_OVERALL_TOTAL = PREFIX + "location_update.overall_total"
         const val LOCATION_UPDATE_ACTION_CP_DIRECT = PREFIX + "location_update.cp_direct"

app/src/main/java/com/akaver/sportmap/LocationService.kt

@@ -235,6 +235,10 @@ class LocationService : Service() {
 
         // broadcast new location to UI
         val intent = Intent(C.LOCATION_UPDATE_ACTION)
+
+        intent.putExtra(C.LOCATION_UPDATE_ACTION_LAT, location.latitude)
+        intent.putExtra(C.LOCATION_UPDATE_ACTION_LON, location.longitude)
+
         intent.putExtra(C.LOCATION_UPDATE_ACTION_OVERALL_DIRECT, distanceOverallDirect)
         intent.putExtra(C.LOCATION_UPDATE_ACTION_OVERALL_TOTAL, distanceOverallTotal)
         intent.putExtra(C.LOCATION_UPDATE_ACTION_CP_DIRECT, distanceCPDirect)
@@ -288,7 +292,7 @@ class LocationService : Service() {
 
 
         // broadcast stop to UI
-        val intent = Intent(C.LOCATION_UPDATE_ACTION)
+        val intent = Intent(C.LOCATION_UPDATE_STOP)
         LocalBroadcastManager.getInstance(this).sendBroadcast(intent)
 
     }

app/src/main/java/com/akaver/sportmap/MapsActivity.kt

@@ -24,8 +24,7 @@ import com.google.android.gms.maps.CameraUpdateFactory
 import com.google.android.gms.maps.GoogleMap
 import com.google.android.gms.maps.OnMapReadyCallback
 import com.google.android.gms.maps.SupportMapFragment
-import com.google.android.gms.maps.model.LatLng
-import com.google.android.gms.maps.model.MarkerOptions
+import com.google.android.gms.maps.model.*
 import com.google.android.material.snackbar.Snackbar
 import kotlinx.android.synthetic.main.map_actions.*
 
@@ -35,12 +34,12 @@ class MapsActivity : AppCompatActivity(), OnMapReadyCallback {
     }
 
     private lateinit var mMap: GoogleMap
-
+    private var marker: Marker? = null
+    private var mapPolylineOptions: PolylineOptions = PolylineOptions()
+    private var mapPolyline : Polyline? = null
 
     private val broadcastReceiver = InnerBroadcastReceiver()
     private val broadcastReceiverIntentFilter: IntentFilter = IntentFilter()
-
-
     private var locationServiceActive = false
 
 
@@ -108,12 +107,35 @@ class MapsActivity : AppCompatActivity(), OnMapReadyCallback {
         mMap = googleMap
 
         // Add a marker in Sydney and move the camera
-        val sydney = LatLng(-34.0, 151.0)
-        mMap.addMarker(MarkerOptions().position(sydney).title("Marker in Sydney"))
-        mMap.moveCamera(CameraUpdateFactory.newLatLng(sydney))
+        //val sydney = LatLng(-34.0, 151.0)
+        //mMap.addMarker(MarkerOptions().position(sydney).title("Marker in Sydney"))
+        mMap.moveCamera(CameraUpdateFactory.newLatLng( LatLng(59.3927437,24.6642)))
+        mMap.animateCamera(CameraUpdateFactory.zoomTo(17.0f))
+    }
+
+
+    private fun updateMap(lat: Double, lon: Double){
+        // mMap.clear()
+        val center = LatLng(lat, lon)
+
+        if (marker != null ){
+            marker!!.remove()
+        }
+
+        if (mapPolyline != null ){
+            mapPolyline!!.remove()
         }
 
+        mapPolylineOptions.add(center)
+
+        marker  = mMap.addMarker(MarkerOptions().position(center).icon(BitmapDescriptorFactory.fromResource(R.drawable.baseline_location_searching_black_36)))
+
+
+        mapPolyline = mMap.addPolyline(mapPolylineOptions)
 
+
+        mMap.moveCamera(CameraUpdateFactory.newLatLng(center))
+    }
     // ============================================== LIFECYCLE CALLBACKS =============================================
     override fun onStart() {
         Log.d(TAG, "onStart")
@@ -272,6 +294,10 @@ class MapsActivity : AppCompatActivity(), OnMapReadyCallback {
                     textViewCPTotal.text = intent.getFloatExtra(C.LOCATION_UPDATE_ACTION_CP_TOTAL, 0.0f).toInt().toString()
                     textViewWPDirect.text = intent.getFloatExtra(C.LOCATION_UPDATE_ACTION_WP_DIRECT, 0.0f).toInt().toString()
                     textViewWPTotal.text = intent.getFloatExtra(C.LOCATION_UPDATE_ACTION_WP_TOTAL, 0.0f).toInt().toString()
+
+                    updateMap(intent.getDoubleExtra(C.LOCATION_UPDATE_ACTION_LAT, 0.0), intent.getDoubleExtra(C.LOCATION_UPDATE_ACTION_LON, 0.0))
+                }
+                C.LOCATION_UPDATE_STOP -> {
                 }
             }
         }