private void gerarMapa(){

    for(int i = 0; i < palhetas.size(); i++) {
        double lat = Double.parseDouble( palhetas.get(i).getEndereco().getLatitude() );
        double lon = Double.parseDouble( palhetas.get(i).getEndereco().getLongitude() );
        LatLng locale = new LatLng( lat, lon );

        MarkerOptions options = new MarkerOptions()
                .position( locale )
                .title( palhetas.get(i).getCodigo() )
                .snippet( palhetas.get(i).getEndereco().getRua() )
                .icon( BitmapDescriptorFactory
                        .fromResource( R.drawable.marker ) );
        mMap.addMarker( options );
        mMap.moveCamera( CameraUpdateFactory.newLatLng( locale ) );
    }
}