Try this for extend Activity
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
feedListView= (ListView) findViewById(R.id.custom_list);
String url = "...";
new DownloadFilesTask().execute(url);
feedListView.setAdapter(new CustomListAdapter(this, feedList));
}
and Try this for extend Fragment
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.activity_main, container, false);
feedListView= (ListView) rootView.findViewById(R.id.custom_list);
String url = "...";
new DownloadFilesTask().execute(url);
feedListView.setAdapter(new CustomListAdapter(this, feedList));
return rootView;
}