小编Sha*_*lib的帖子

我想将API中的信息加载到Fragment.

我使用getSupportLoaderManager()但发生错误:

无法解析方法:getSupportLoaderManager()

我搜索这个用途,onActivityCreated()但我有NullPointerException.

你能帮我解决一下这个问题吗？

import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;

public class Business extends Fragment implements LoaderManager.LoaderCallbacks<String> {

    ListView listView;   

    public Business() {
        // Required empty public constructor
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        // Inflate the layout for this fragment
        View view = inflater.inflate(R.layout.fragment_business, container, false);
        listView = view.findViewById(R.id.list_item);

        getSupportLoaderManager().initLoader(0, null, getContext()).forceLoad();
        return view;
    }

    @Override
    public Loader<String> onCreateLoader(int id, Bundle args) {
        return null; …