GetAccessKey.java

// ---------------- 
// ---------------- Usage
// ----------------

public void newRequest(String memberToken, String accessKey) {
    OkHttpClient client = defaultHttpClient();
    Request request = new Request.Builder()
                    .url(url)
                    .addHeader("accesskey", accessKey)
                    .addHeader("membertoken", memberToken)
                    .build();
    Response response = client.newCall(request).execute();
    return new JSONObject(response.body().string());
}

@Override
public void onClick(View view) {
    WifiManager wifiMgr = (WifiManager) view.getContext().getSystemService(Context.WIFI_SERVICE);
    String macAddress = wifiMgr.getConnectionInfo().getMacAddress().toUpperCase(Locale.getDefault());
    Cloud.getAccessKey(macAddress, new ResultListener() {
        @Override
        public void onResult(JSONObject result) {
            try {
                int returnCode = result.getInt(KEY_RETURN_CODE);
                if (returnCode != RETURN_CODE_SUCCESS) {
                    // something went wrong
                    return;
                }
                // YOUR MOTHERFUCKING ACCESSKEY!
                String accessKey = result.getString(KEY_RETURN_MESSAGE);
                // ganito ga lang?!!?!?
                newRequest("memberToken", accessKey);
            }
            catch(JSONException e) {
                
            }
        }
    });
}

// ---------------- 
// ---------------- Implementation
// ----------------
public static void getAccessKey(final String macAddress, ResultListener resultListener) {
    new AsyncTask<Void, Void, JSONObject>() {
        @Override
        protected JSONObject doInBackground(Void... voids) {
            try {
                return getAccessKey(macAddress);
            }
            catch(JSONException e) {
                JSONObject result = createResultException(e);
                return result;
            }
        }
        
        @Override
        protected void onPostExecute(JSONObject result) {
            resultListener.onResult(result);
        }
    }.execute();
}

private static JSONObject getAccessKey(String macAddress) {
    String url = DOMAIN_NAME + "/XYZSupport/Support/ClientRegister/JSON";
    OkHttpClient client = defaultHttpClient();
    Request request = new Request.Builder()
                    .url(url)
                    .addHeader("groupid", GROUP_ID)
                    .addHeader("sourcename", "BCX_WLX")
                    .addHeader("projectname", "BCX_WLX")
                    .addHeader("macaddress", macAddress)
                    .build();
    Response response = client.newCall(request).execute();
    return new JSONObject(response.body().string());
}