小编mat*_*330的帖子

我似乎无法让它工作,我已经尝试了很多不同的东西,解析工作正常并返回一个arraylist中的标题列表,我无法让它们在ListView上查看.这是代码;

/**
 * Created by Matt on 4/21/2015.
 */
public class Discussion_Fragment extends Fragment {
View rootview;
ListView listView;


@Nullable
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    rootview = inflater.inflate(R.layout.discussion_layout, container, false);
    ArrayList<String> titles = new ArrayList<String>();
    listView = (ListView) rootview.findViewById(R.id.listView1);
    parse(getHTTP("https://www.reddit.com/r/DotA2.json?limit=10"));

    for(int i=0;i<titles.size();i++){
        titles.add(titles.get(i));
    }

    ArrayAdapter saAdapter = new ArrayAdapter(getActivity(), R.layout.discussion_layout, titles);

    listView.setAdapter(saAdapter);

    return rootview;
}
public static String getHTTP(String urlToRead) {

    URL url;
    HttpURLConnection conn;
    BufferedReader rd;
    String line;
    String result = "";
    boolean response …