URL url = new URL("https://oauth.vk.com/token?grant_type=password&client_id=3697615&client_secret=AlVXZFMUqyrnABp8ncuU&username="+ URLEncoder.encode(String.valueOf(login), "utf-8")+"&password="+URLEncoder.encode(String.valueOf(password), "utf-8"));
        HttpURLConnection connection = (HttpURLConnection)url.openConnection();
        connection.setRequestMethod("GET");
        Toast.makeText(LoginActivity.this,
                connection.getResponseMessage(),
                Toast.LENGTH_SHORT).show();