建议/帮助：在微调器中实现类别的最佳方法(例如Microsoft操作系统上的Windows菜单)

我使用自定义适配器来用自定义项填充旋转器。布局是一个单独的下拉列表。

正如标题所说，我想在我的旋转器中有项目(代表类别)。比如:意大利、法国、德国。(例子)。每个项目都应该在它的右边打开，然后是第二个带有城市的旋转器(就像嵌套的旋转器)。比如:罗马、佛罗伦萨、米兰。我希望它的外观和行为像微软Windows底部菜单(XP, Vista, 7)。

有可能吗?有谁能帮帮忙吗?

哦…我的旋转器在一个抽屉DrawerLayout里，它会给ListView充气……只是为了增加一些复杂性;)

CustomSpinnerAdapter类/strong>

public class CustomSpinnerAdapterCity extends ArrayAdapter<SpinnerItem> {
    Context context;
    int layoutResID;
    List<SpinnerItem> spinnerData;
    protected LayoutInflater layoutInflater;
    public CustomSpinnerAdapterCity(Context context, int layoutResourceID, int textViewResourceId, List<SpinnerItem> spinnerDataList) {
        super(context, layoutResourceID, textViewResourceId, spinnerDataList);
        this.context=context;
        this.layoutResID=layoutResourceID;
        this.spinnerData=spinnerDataList;
    }
    public CustomSpinnerAdapterCity(Context context, int layoutResourceID, List<SpinnerItem> spinnerDataList) {
        super(context, layoutResourceID, spinnerDataList);
        this.context=context;
        this.layoutResID=layoutResourceID;
        this.spinnerData=spinnerDataList;
        layoutInflater = LayoutInflater.from(context);
    }
    @Override
    public View getDropDownView(int position, View convertView, ViewGroup parent) {
        // TODO Auto-generated method stub
        return getCustomView(position, convertView, parent);
    }
    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        // TODO Auto-generated method stub
        return getCustomView(position, convertView, parent);
    }

    public View getCustomView(int position, View convertView, ViewGroup parent) {
        View row=convertView;
        SpinnerHolder holder;
        SpinnerItem mSpinnerItem =spinnerData.get(position);
            if(row==null)
            {
                LayoutInflater inflater=((Activity)context).getLayoutInflater();
                row=inflater.inflate(layoutResID, parent, false);
                holder=new SpinnerHolder();
                holder.current_city=(TextView)row.findViewById(R.id.current_city);
                holder.current_city_description=(TextView)row.findViewById(R.id.current_city_description);
                row.setTag(holder);
            }
            else
            {
                holder=(SpinnerHolder)row.getTag();
            }
            if(mSpinnerItem.getCurrentChoice()!=null)
            {
                holder.current_city.setText(mSpinnerItem.getCurrentChoice());
                holder.current_city_description.setText(mSpinnerItem.getCurrentChoiceDescription());
            }
       return row;
    }
    public int getPosition(SpinnerItem s) {
    return super.getPosition(s);        //return position of the last value
    }

@Override
    public int getCount() {
        return super.getCount()-3; // you dont display last item. It is used as hint.
    }
    public int getCountCertifiedonly() {
        return super.getCount()-2; // you dont display last item. It is used as hint.
    }
    public int getCountVIPonly() {
        return super.getCount()-1; // you dont display last item. It is used as hint.
    }
public int getCountCityNone() {
    return super.getCount()-1; // you dont display last item. It is used as hint.
}

private static class SpinnerHolder
    {
        TextView  current_city,current_city_description;
    }
}

public class SpinnerItem implements Item{
    String choice;
    String choice_description;
    Boolean isSection = false;
    public SpinnerItem(String choice, String choice_description, Boolean isSection) {
        super();
        this.choice=choice;
        this.choice_description=choice_description;
        this.isSection=isSection;
    }
public String getCurrentChoiceDescription() {
    return choice_description;
}
public void setCurrentChoiceDescription(String choice_description) {
    this.choice_description = choice_description;
}
public String getCurrentChoice() {
    return choice;
}
public void setCurrentChoice(String choice) {
    this.choice = choice;
}
@Override
public boolean isSection() {
    return isSection;
}