Android 如何将自定义对象传递到片段
我是android的初学者,关于这个话题有很多问题,但我不太清楚 我想将我的列表传递给片段,在我的自定义列表适配器中我必须将其传递给片段 怎么做Android 如何将自定义对象传递到片段,android,android-fragments,android-activity,parameters,arguments,Android,Android Fragments,Android Activity,Parameters,Arguments,我是android的初学者,关于这个话题有很多问题,但我不太清楚 我想将我的列表传递给片段,在我的自定义列表适配器中我必须将其传递给片段 怎么做 public class MainActivity extends AppCompatActivity { List<News> newsList; private void selectItem(int position) { // update the main content by replacing
public class MainActivity extends AppCompatActivity {
List<News> newsList;
private void selectItem(int position) {
// update the main content by replacing fragments
if (isOnline()) {
newsList = requestData("http://Mywebsite.com/Ilmnews/api/news/getAllNews");
} else {
Toast.makeText(MainActivity.this, "Network ins't available", Toast.LENGTH_SHORT).show();
}
Fragment fragment = new NewsFragment();
FragmentManager fragmentManager = getFragmentManager();
fragmentManager.beginTransaction().replace(R.id.fragmentholder, fragment).commit();
}
public static class NewsFragment extends Fragment {
public NewsFragment() {
// Empty constructor required for fragment subclasses
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.fragment_news, container, false);
ListView newsListView = (ListView) rootView.findViewById(R.id.newsListView);
// newsList is List of my News object List<News>
newsListView.setAdapter(new MYListAdapter(getActivity(), newsList));
return rootView;
}
}
}
其他示例仅适用于不适用于自定义对象的系统数据类型可能重复的@ThomasR不适用于自定义对象,因为我希望在此处共享日志cat
public class MainActivity extends AppCompatActivity {
public static List<News> newsList;
}
wsListView.setAdapter(new MYListAdapter(getActivity(), MainActivity.newsList));