Jsoup和setText在android中不起作用[重复]

Question

基本上，当我执行我的应用程序时，它要么崩溃，要么不显示任何文本或任何内容。 我在我的主要活动中使用 Fragments 和 viewPager，但导致问题的类是这个：

public class DailyWord extends Fragment {

Document doc;
String data;
TextView t;

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle saveInstanceState) {
    View mainView = inflater.inflate(R.layout.activity_daily_word, container, false);

    try {
        doc = Jsoup.connect("http://www.urbandictionary.com/").get();
    } catch (IOException e) {
        e.printStackTrace();
    }
    Element Worddata = doc.getElementsByClass("word").first();
    Element Worddata2 = Worddata.select("a[href]").first();
    String wordName = Worddata2.text();

    Element definition = doc.getElementsByClass("description").first();
    String define = definition.text();

    Element example = doc.getElementsByClass("example").first();
    String context = example.text();

    data = ("Word:\n" + wordName + "\n" + "Definition\n" + define + "\n" + "Context:\n" + context);

    t = (TextView) mainView.findViewById(R.id.textView1);
    t.setText(data);
        return mainView;
    }
}

Answer 1

下面应该是thread 或asynctask

doc = Jsoup.connect("http://www.urbandictionary.com/").get();