Android基础(六) ListView - SimpleAdapter 行间颜色交替

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