public String acessar(String endereco) throws IOException {
        URL url = new URL("http://pokeapi.co/api/v2/pokemon/1/");
        HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
        urlConnection.setRequestMethod("GET");
        urlConnection.connect();
        InputStream inputStream = urlConnection.getInputStream();
        if (inputStream == null) {
            return null;
        }
        BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
        String linha;
        StringBuffer buffer = new StringBuffer();
        while ((linha = reader.readLine()) != null) {
            buffer.append(linha + "n");
        }
        if (buffer.length() == 0) {
            return null;
        }
        if (urlConnection != null) {
            urlConnection.disconnect();
        }
        if (reader != null) {
            try {
                reader.close();
            } catch (final IOException e) {
                Log.e("Erro", "Erro fechando o stream", e);
            }
        }
        return "";
    }