ScrollView+listview巢狀使用
阿新 • • 發佈:2018-12-16
ScrollView 建議使用【android.support.v4.widget.NestedScrollView】進行使用,不需要自定義重寫ScrollView ,NestedScrollView用起來比自定義好用的多
主要解決listview 的高度問題即可 高度解決方案如下: 使用方法: if (lvAdapterLeft != null) { lvAdapterLeft.notifyDataSetChanged(); DisplayUtil.setListViewHeightBasedOnChildren(lv_left); } 計算listview 高度方法 /** * 根據列表的item計算出該ListView的實際高度 * @param listView */ public static void setListViewHeightBasedOnChildren(ListView listView) { 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() * (listView.getCount() - 1)); listView.setLayoutParams(params); } /** * 根據列表的item計算出該ListView的實際高度 * * @param listView */ public static int getListViewHeight(ListView listView) { ListAdapter listAdapter = listView.getAdapter(); if (listAdapter == null) { return 0; } 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(); } return totalHeight; }