动态设置ListView的高度 原

<!-- lang: java -->
        //动态设置listView的高度
    ListAdapter listAdapter = listView.getAdapter(); 
    if (listAdapter == null) { 
        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(); 
    } 
    ViewGroup.LayoutParams params = listView.getLayoutParams(); 
    params.height = totalHeight + (listView.getDividerHeight() * (listAdapter.getCount() - 1)); 
    listView.setLayoutParams(params);