Android动态计算ListView高度

/**
	 * 动态计算设置listview高度
	 * 
	 * @函数名 setListViewHeightBasedOnChildren
	 * @功能 TODO
	 * @param listView
	 * @备注 <其它说明>
	 */
    public void setListViewHeightBasedOnChildren(ListView listView) {  
    	 ListAdapter listAdapter = listView.getAdapter();  
    	 if (listAdapter == null) {
             // pre-condition  
             return;  
         }  

         int totalHeight =0;
         for (int i = 0; i < listAdapter.getCount(); i++) {  
             View listItem = listAdapter.getView(i, null, listView);  
             listItem.measure(0, 0); 
             totalHeight += listItem.getMeasuredHeight();  
         }  

         System.out.println("aaa==="+totalHeight);
         ViewGroup.LayoutParams params = listView.getLayoutParams();  
         params.height = totalHeight + (listView.getDividerHeight() * (listAdapter.getCount() - 1));  
         listView.setLayoutParams(params);  
    }