Added floating action button

app/src/main/java/ru/loparev/rmp/MapsActivity.kt

@@ -21,6 +21,7 @@ class MapsActivity : AppCompatActivity(), OnMapReadyCallback {
         val mapFragment = supportFragmentManager
             .findFragmentById(R.id.map) as SupportMapFragment
         mapFragment.getMapAsync(this)
+
     }
 
     /**
@@ -34,10 +35,9 @@ class MapsActivity : AppCompatActivity(), OnMapReadyCallback {
      */
     override fun onMapReady(googleMap: GoogleMap) {
         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(sydney))
     }
 }

app/src/main/res/layout/activity_maps.xml

@@ -1,4 +1,20 @@
 <?xml version="1.0" encoding="utf-8"?>
+<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".MainActivity">
+    <com.google.android.material.floatingactionbutton.FloatingActionButton
+        android:layout_margin="10dp"
+        android:layout_height="wrap_content"
+        android:layout_width="wrap_content"
+        android:contentDescription="PRESS"
+        android:src="@drawable/icons8menufilled24"
+        android:layout_gravity="top"
+        android:elevation="16dp"
+        android:backgroundTint="#2A2E43"/>
+
 <fragment xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:map="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
@@ -6,4 +22,8 @@
     android:name="com.google.android.gms.maps.SupportMapFragment"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context=".MapsActivity" />
+    tools:context=".MapsActivity" >
+
+</fragment>
+
+</androidx.coordinatorlayout.widget.CoordinatorLayout>