mentioned that users can use GSON & jackson libraries for json parsing

Author: pocha

twitter-http-challenge/_fetching_tweets_with_http_get.html.md

@@ -100,3 +100,6 @@ Edgar
 
 3. Add a refresh menu item which upon click should make an HTTP GET call to get new array of tweets and append the new data to list. The refresh should simply call the */tweets* url & append the tweets to the list.
 
+###Restrictions
+* You must use one of the natively available techniques to perform HTTP operations, like **HttpClient** or **HTTPUrlConnection**. External libraries are not supported.
+* For JSON parsing, you can use **GSON** & **Jackson** libraries only

twitter-http-challenge/_login_with_http_post.html.md

@@ -59,9 +59,8 @@ The API will provide you a token as a JSON response
 * Modify the app to skip showing the login screen when the token is already available in SharedPreference.
 
 ###Restrictions
-* You must make a POST call to **/login**
-* The JSON request object must contain "username" and "password" fields
 * You must use one of the natively available techniques to perform HTTP operations, like **HttpClient** or **HTTPUrlConnection**. External libraries are not supported.
+* For JSON parsing, you can use **GSON** & **Jackson** libraries only
 * The received token must be stored in a SharedPreference file named "codelearn_twitter"
 
 Once you are done, run the app as **Android App Codelearn** & if you got the solution right, you will get a success popup that will take you the next level. All the best.