MapActivity.java
-----------------

// This example demonstrates how to put multiple markers on the map, color them,
// adjust the zoom and change the terrain type. The zoom is changed by double-clicking
// on the map. Click on the markers to see the name.

import androidx.fragment.app.FragmentActivity;
import android.os.Bundle;
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.BitmapDescriptorFactory;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.MarkerOptions;

public class MapsActivity extends FragmentActivity implements OnMapReadyCallback {

    private GoogleMap mMap;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_maps);
        SupportMapFragment mapFragment = (SupportMapFragment) getSupportFragmentManager()
                .findFragmentById(R.id.map);
        mapFragment.getMapAsync(this);
    }

    @Override
    public void onMapReady(GoogleMap googleMap) {

  //      googleMap.setMapType(GoogleMap.MAP_TYPE_TERRAIN); // map with mountains, rivers, etc
          googleMap.setMapType(GoogleMap.MAP_TYPE_HYBRID); // photographic map + roads and city names
 //       googleMap.setMapType(GoogleMap.MAP_TYPE_SATELLITE); // photographic map


        googleMap.addMarker(new MarkerOptions()
                .position(new LatLng(37.4233438, -122.0728817))
                .title("LinkedIn")
                .icon(BitmapDescriptorFactory.defaultMarker(BitmapDescriptorFactory.HUE_GREEN)));

        googleMap.addMarker(new MarkerOptions()
                .position(new LatLng(37.4629101,-122.2449094))
                .title("Facebook")
                .snippet("Facebook HQ: Menlo Park")
                .icon(BitmapDescriptorFactory.defaultMarker(BitmapDescriptorFactory.HUE_BLUE)));

        googleMap.addMarker(new MarkerOptions()
                .position(new LatLng(37.3092293, -122.1136845))
                .title("Apple")
                .icon(BitmapDescriptorFactory.defaultMarker(BitmapDescriptorFactory.HUE_VIOLET)));

        googleMap.animateCamera(CameraUpdateFactory.newLatLngZoom(new LatLng(37.4233438, -122.0728817), 10));
        // change last parameter for more zoom, i.e. switch to 15 and look at difference

    }
}