gistfile1.java

    private void getAccessToken(String authCode) {
        String accessTokenUrl = "https://runkeeper.com/apps/token?grant_type=authorization_code&code=%s&client_id=%s&client_secret=%s&redirect_uri=%s";
        final String finalUrl = String.format(accessTokenUrl, authCode, CLIENT_ID, CLIENT_SECRET, CALLBACK_URL);

        Thread networkThread = new Thread(new Runnable() {
            @Override
            public void run() {
                try {

                    HttpClient client = new DefaultHttpClient();
                    HttpPost post = new HttpPost(finalUrl);

                    HttpResponse response = client.execute(post);

                    String jsonString = EntityUtils.toString(response.getEntity());
                    final JSONObject json = new JSONObject(jsonString);

                    String accessToken = json.getString("access_token");
                    getTotalDistance(accessToken);

                } catch (Exception e) {
                    displayToast("Exception occured:(");
                    e.printStackTrace();
                    resetUi();
                }

            }
        });

        networkThread.start();
    }