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Android Build a Self-Destructing Message Android App Retrieving and Viewing Messages Creating a Custom List Adapter for Messages

Inbox Fragment

public class InboxFragment extends ListFragment{

protected  List<ParseObject> mMessages;



@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
                         Bundle savedInstanceState){
    View rootView = inflater.inflate(R.layout.fragment_inbox, container, false);

  return rootView;
}

@Override
public void onResume() {

   getActivity().setProgressBarIndeterminateVisibility(true);

    ParseQuery<ParseObject> query = new ParseQuery(ParseConstants.CLASS_MESSAGES);
    query.whereEqualTo(ParseConstants.KEY_RECIPIENTS_ID, ParseUser.getCurrentUser().getObjectId());
    query.addDescendingOrder(ParseConstants.CREATED_AT);
    query.findInBackground(new FindCallback<ParseObject>() {
        @Override
        public void done(List<ParseObject> messages, ParseException e) {
            getActivity().setProgressBarIndeterminateVisibility(false);

            if (e == null) {
                //We  Found Messages
                mMessages = messages;
                String[] usernames = new String[mMessages.size()];
                int i = 0;
                for (ParseObject message : mMessages) {
                    usernames[i] = message.getString(ParseConstants.KEY_SENDER_NAME);
                    i++;
                }

                MessageAdapter adapter = new MessageAdapter(getListView().getContext(), mMessages);
                setListAdapter(adapter);

            }
        }
    });
    }

}