学步园

一、概述

   通过扩展SimpleAdapter，来改变显示外观。因为要每行的显示颜色，首先要获得每行的View实例，然后调用setBackgroundColor函数设置。

二、实例

【效果】

【代码片段】

package enleo.ListViewA;<br /> import java.util.List;<br /> import java.util.Map;<br /> import android.content.Context;<br /> import android.view.View;<br /> import android.view.ViewGroup;<br /> import android.widget.SimpleAdapter;<br /> public class SpecialAdapter extends SimpleAdapter{<br /> private int[] colors = new int[]{0x30FF0000, 0x300000FF};<br /> public SpecialAdapter(Context context, List<? extends Map<String, ?>> data,<br /> int resource, String[] from, int[] to) {<br /> super(context, data, resource, from, to);<br /> // TODO Auto-generated constructor stub<br /> }<br /> /* (non-Javadoc)<br /> * @see android.widget.SimpleAdapter#getView(int, android.view.View, android.view.ViewGroup)<br /> */<br /> @Override<br /> public View getView(int position, View convertView, ViewGroup parent) {<br /> // TODO Auto-generated method stub<br /> View view = super.getView(position, convertView, parent);<br /> int colorPos = position%colors.length;<br /> view.setBackgroundColor(colors[colorPos]);<br /> return view;<br /> }<br /> }<br />