Rumah > Soal Jawab > teks badan
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();
// listView.getpiderHeight()获取子项间分隔符占用的高度
int piderHeight = (listView.getpiderHeight() * (listAdapter.getCount() - 1));
// params.height最后得到整个ListView完整显示需要的高度:item总和 + 分割线总和高度
params.height = totalHeight + piderHeight;
listView.setLayoutParams(params);