java - getView() 方法在带有 gridview 的自定义适配器中未调用

Question

当我调试代码时，它正在调用 InviteListAdapter 中的构造函数，但没有调用 getView() 方法。我已经尝试了 stackoverflow 上提供的多种解决方案，但没有一个有效。希望任何人都能找到错误或解决方案。

invitableFriends.size()    

返回大于 0 的值。

InviteListAdapter

public class inviteListAdapter extends ArrayAdapter<JSONObject> {

private final Context context;
private final List<JSONObject> invitableFriends;
private ImageView profilePicView;

public inviteListAdapter(Context context, List<JSONObject> invitableFriends) {
    super(context, R.layout.invite_adapter, invitableFriends);
    this.context = context;
    this.invitableFriends = invitableFriends;
}


@Override
public View getView(int position, View convertView, ViewGroup parent){


    LayoutInflater inflater = (LayoutInflater) context
            .getSystemService(context.LAYOUT_INFLATER_SERVICE);

    View listItemView = inflater.inflate(R.layout.invite_adapter, parent, false);

    profilePicView = (ImageView) listItemView.findViewById(R.id.inviteListItemProfilePic);
    TextView nameView = (TextView) listItemView.findViewById(R.id.inviteListItemName);

    JSONObject currentUser = invitableFriends.get(position);

    nameView.setText(currentUser.optString("first_name"));


    return listItemView;
}

 }

first.java

public View onCreateView (
        LayoutInflater inflater,
        ViewGroup container,
        Bundle savedInstanceState) {
    View view = inflater.inflate(R.layout.activity_first,container, false);

    invitesGridView = (GridView)view.findViewById(R.id.invitesGridView);

            return view;
}


final inviteListAdapter adapter = new inviteListAdapter(this,inviteFriendList);
    invitesGridView.setAdapter(adapter);
    adapter.notifyDataSetChanged();

Answer 1

public View onCreateView (
    LayoutInflater inflater,
    ViewGroup container,
    Bundle savedInstanceState) {
    View view = inflater.inflate(R.layout.activity_first,container, false);

invitesGridView = (GridView)view.findViewById(R.id.invitesGridView);
final inviteListAdapter adapter = new inviteListAdapter(this,inviteFriendList);
invitesGridView.setAdapter(adapter);
adapter.notifyDataSetChanged();

        return view;
 }

在onCreateView中调用setAdapter