public class MapsActivity extends FragmentActivity implements OnMapReadyCallback {
    private static final int PERMISSION_ACCESS_COARSE_LOCATION = 0;  private GoogleMap mMap;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_maps);
        final Intent QuestionarioSegurancaActivity = new Intent(this, ActiveQuestionarioSeguranca2Activity.class);
        Button button_Localizacao = (Button) findViewById(R.id.button_questionario_enviar_localizacao);
        Button button_voltar_mapas = (Button) findViewById(R.id.button_maps_voltar);
        // Obtain the SupportMapFragment and get notified when the map is ready to be used.
        SupportMapFragment mapFragment = (SupportMapFragment) getSupportFragmentManager().findFragmentById(R.id.map);
        mapFragment.getMapAsync(this);
        button_EnviarLocalizacao.setOnClickListener(new View.OnClickListener()
        {
            @Override
            public void onClick(View view) {
                startActivity(QuestionarioSegurancaActivity);
            }
        });
    }
    /** * Manipulates the map once available. * This callback is triggered when the map is ready to be used.
        * This is where we can add markers or lines, add listeners or move the camera. In this case,
        * we just add a marker near Sydney, Australia.
        * If Google Play services is not installed on the device, the user will be prompted to install
        * it inside the SupportMapFragment. This method will only be triggered once the user has
        * installed Google Play services and returned to the app.
        */
    @Override
    public void onMapReady(GoogleMap googleMap) {
        mMap = googleMap;
        if (ContextCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED) {
            mMap.setMyLocationEnabled(true);
        } else { }
    }
}

}