/**
* Constructor.
*
* @param jsonResult Result from API call. Used directly to populate the ArrayList.
*/
public GroupMembersMap(String jsonResult) {
try {
JSONArray jsonArray = new JSONArray(jsonResult);
if (jsonArray.length() > 0) {
Gson gson = new Gson();
for (int i = 0; i < jsonArray.length(); i++) {
GroupMemberData member = gson.fromJson(jsonArray.getString(i), GroupMemberData.class);
if (member.isNew(mMembersList)) {
mMembersList.add(member);
}
}
}
} catch (JSONException ex) {
System.err.println("GroupMembersMap/" + ex);
}
}
/**
* Runs on the UI thread after doInBackground(Params...). The specified result is the value
* returned by doInBackground(Params...).
*
* @param jsonResult Result of the API call.
*/
@Override
protected void onPostExecute(String jsonResult) {
jsonResult = jsonResult.replaceAll("firstname", "fname");
jsonResult = jsonResult.replaceAll("lastname", "lname");
GroupMembersMap friends = new GroupMembersMap(jsonResult);
if (friends.size() == 0) {
// If the newly pulled friends list is empty, indicate the end of data.
mEndOfData = true;
// If the members list is also empty, there are no group members, so add
// a blank indicator showing so.
if (mMembersList.size() == 0) {
GroupMemberData blank = new GroupMemberData();
blank.setName("No members to display");
mMembersList.add(blank);
mAdapter.notifyDataSetChanged();
mListView.setEnabled(false);
}
} else {
// If we pulled less than 10 new friends, indicate we are at the end of data.
if (friends.size() < LIMIT) {
mEndOfData = true;
}
// Add all the new members to our list and update our ListView.
mMembersList.addAll(friends.getGroupMemberData());
mAdapter.notifyDataSetChanged();
}
// If we are not at the end of data, show our load more button and increase our offset.
if (!mEndOfData) {
mLoadMoreButton.setVisibility(View.VISIBLE);
mLoadingIndicator.setVisibility(View.GONE);
mOffset += friends.size();
// If we are at the end of data, remove the load more button.
} else {
mListView.removeFooterView(mFooter);
}
}