dependencies { implementation 'com.google.android.gms:play-services-basement:18.0.0' } private GoogleApiClient mGoogleApiClient; protected void onCreate(Bundle savedInstanceState) { GoogleApiClient.Builder builder = new GoogleApiClient.Builder(this) .addApi(Plus.API) .addScope(Plus.SCOPE_PLUS_LOGIN) .addConnectionCallbacks(this) .addOnConnectionFailedListener(this); mGoogleApiClient = builder.build(); mGoogleApiClient.connect(); } private GoogleMap mMap; @Override public void onMapReady(GoogleMap googleMap) { mMap = googleMap; mMap.addMarker(new MarkerOptions().position(new LatLng(0, 0)).title("Marker")); }