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我有个问题。我不能修改一些代码来提升它的功能。

这里的代码：

final Item[] items = {
                new Item("Email", android.R.drawable.ic_menu_add, 7),
                new Item("Facebook", resId, 99),
            };

            ListAdapter adapter = new ArrayAdapter<Item>(
                this,
                android.R.layout.select_dialog_item,
                android.R.id.text1,
                items){
                    public View getView(int position, View convertView, ViewGroup parent) {
                        //User super class to create the View
                        View v = super.getView(position, convertView, parent);
                        TextView tv = (TextView)v.findViewById(android.R.id.text1);

                        //Put the image on the TextView
                        tv.setCompoundDrawablesWithIntrinsicBounds(items[position].icon, 0, 0, 0);

                        //Add margin between image and text (support various screen densities)
                        int dp5 = (int) (5 * getResources().getDisplayMetrics().density + 0.5f);
                        tv.setCompoundDrawablePadding(dp5);

                        return v;
                    }
                };

此代码必须创建一个带有左侧图标的菜单，并且需要一个类，这里​​：

public class Item {
    public final String text;
    public final int icon;
    public final int act;

    public Item(String text, Integer icon, Integer act) {
        this.text = text;
        this.icon = icon;
        this.act = act;
    }

    @Override
    public String toString() {
        return text;
    }

    public int getAct() {
        return act;
    }

}

我想修改此类 Item 以轻松添加项目，例如，Item.addItem(str,int,int)

怎么做？

4

1 回答 1

0 
List<Item> items = new ArrayList<Item>();

items.add(new Item(str,int,int));
于 2013-06-14T10:58:17.310 回答