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分享一个listview嵌套listview需要重置子listview高度的调用方法

2016-03-24 21:51 351 查看
public class Utility {
  public static 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();
  }
  
  ViewGroup.LayoutParams params = listView.getLayoutParams();
  params.height = totalHeight + (listView.getDividerHeight() * (listAdapter.getCount() - 1));
  listView.setLayoutParams(params);
  }
  }
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