[code brush:text;toolbar:false;]package com.kunshan.shichuang.util;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ListAdapter;
import android.widget.ListView;
/**
* 方案转自:http://jackxlee.blog.51cto.com/2493058/666475
* 但是这个方案存在个问题,又getView了一次
* 针对这个方案的弊端,参考:http://blog.csdn.net/aiqing0119/article/details/8446785
* 总结:http://www.eoeandroid.com/forum.php?mod=viewthread&tid=249325
* 调用方法:new ListViewUtil().setListViewHeightBasedOnChildren(listView); //设置ScrollView的高度
* @author taishici
*/
public class ListViewUtil {
public void setListViewHeightBasedOnChildren(ListView listView) {
//获取ListView对应的Adapter
ListAdapter listAdapter = listView.getAdapter();
if (listAdapter == null) {
return;
}
int totalHeight = 0;
for (int i = 0, len = listAdapter.getCount(); i < len; i++) { //listAdapter.getCount()返回数据项的数目
View listItem = listAdapter.getView(i, null, listView);
listItem.measure(0, 0); //计算子项View 的宽高
totalHeight += listItem.getMeasuredHeight(); //统计所有子项的总高度
}
ViewGroup.LayoutParams params = listView.getLayoutParams();
params.height = totalHeight + (listView.getDividerHeight() * (listAdapter.getCount() - 1));
//listView.getDividerHeight()获取子项间分隔符占用的高度
//params.height最后得到整个ListView完整显示需要的高度
listView.setLayoutParams(params);
}
}[/code]