android - 如何使ListView中的Header View不可选？

Question

我正在创建自定义 ListView ，如 Android ListView headers 中所述.

这是我的Item界面

公共(public)接口(interface)项{
public int getViewType();
public View getView(LayoutInflater inflater, View convertView);
}

这是我的标题类

public class Header implements Item {

    private final String name;

    public Header(String name) {
        this.name = name;
    }

    @Override
    public int getViewType() {
        return TwoTextArrayAdapter.rowType.HEADER_ITEM.ordinal();
    }

    @Override
    public View getView(LayoutInflater inflater, View convertView) {
        View rootView;
        if (convertView == null) {
            rootView = (View) inflater.inflate(R.layout.nav_header, null);
        } else {
            rootView = convertView;
        }

        TextView text = (TextView) rootView.findViewById(R.id.separator);
        text.setText(name);

        rootView.setEnabled(false);

        return rootView;
    }

这是我的列表类

public class ListItem implements Item {

    private final String item;

    public ListItem(String item) {
        this.item = item;
    }

    @Override
    public int getViewType() {
        return TwoTextArrayAdapter.rowType.LIST_ITEM.ordinal();
    }

    @Override
    public View getView(LayoutInflater inflater, View convertView) {
        View rootView;

        if (convertView == null) {
            rootView = (View) inflater.inflate(android.R.layout.simple_list_item_activated_1, null);
        } else {
            rootView = convertView;
        }

        TextView text = (TextView) rootView.findViewById(android.R.id.text1);
        text.setText(item);

        return rootView;
    }
}

此外，我正在使用从 ArrayAdapter 扩展而来的 TwoTextArrayAdapter

public class TwoTextArrayAdapter extends ArrayAdapter<Item> {

private LayoutInflater mInflater;

public enum rowType {
    LIST_ITEM, HEADER_ITEM
}

public TwoTextArrayAdapter(Context context, List<Item> items) {
    super(context, 0, items);
    mInflater = LayoutInflater.from(context);
}

@Override
public int getViewTypeCount() {
    return rowType.values().length;
}

@Override
public int getItemViewType(int position) {
    return getItem(position).getViewType();
}

@Override
public View getView(int position, View convertView, ViewGroup parent) {
    return getItem(position).getView(mInflater, convertView);
}

我是这样用的

mDrawerListView = (ListView) inflater.inflate(R.layout.fragment_navigation_list, container, false);
        mDrawerListView.setFitsSystemWindows(true);

        mDrawerListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                selectItem(position);
            }
        });

        List<Item> services = new ArrayList<Item>();
        services.add(new Header("Call Management"));
        services.add(new ListItem("Service 01"));
        services.add(new ListItem("Service 02"));

        TwoTextArrayAdapter adapter = new TwoTextArrayAdapter(getActivity(), services);
        mDrawerListView.setAdapter(adapter);

我的问题是，当我为 ListView 设置 onClickListener() 时，所有项目(包括标题项目)都被视为可点击项目。我需要确保 Android 忽略标题项并允许用户仅单击 ListItem 中的项。

我该怎么做？

谢谢

Answer 1

覆盖 TwoTextArrayAdapter 中的 isEnabled。比如

@Override
public boolean isEnabled(int position) {
    return getItem(position).getViewType() != HeaderType ;
}

here文档