ListView - SimpleAdapter 行间颜色交替

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

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】

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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;

}

}