How to add data to custom BaseAdapter for listView - Android

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http://stackoverflow.com – I have a custom BaseAdapter class that creates views for comments, usernames, and numbers. This BaseAdapter receives this information from An AsyncTask. The AsyncTask runs when the user reaches the bottom of the listView. The problem is the BaseAdapter wont add new data. When I try to add new data it deletes the current data in the list and then adds the new data. I want it to keep all the data and just add data to the bottom of the listView. All of these classes are in the same Activity. Here is my current code. class CreateCommentLists extends BaseAdapter{ Context ctx_invita (HowTos)