scrollview和listview嵌套会造成不能滚动的问题,listview只会显示一行多一点
解决方法:在scrollview中添加属性:android:fillviewport="true",这就可以让listview显示全屏了。
scrollview滚动是因为高度超出了手机屏幕的高度,然而listview的高度是不确定的,所以导致scrollview无法滚动。
如果listview的高度超过了屏幕高度,又想要scrollview能够滚动,这需要在设置adapter后重现计算listview的高度
public void setListViewHeightBasedOnChildren(ListView listView) {
ImageAdapter listAdapter = (ImageAdapter) listView.getAdapter(); if (listAdapter == null) { // pre-condition return; } int totalHeight = 0; int width = 0; for (int i = 0; i < listAdapter.getCount(); i++) { View listItem = listAdapter.getView(i, null, listView); listItem.measure(0, 0); totalHeight += listItem.getMeasuredHeight(); width = listItem.getMeasuredWidth(); } ViewGroup.LayoutParams params = listView.getLayoutParams(); params.height = totalHeight + (listView.getDividerHeight() * (listAdapter.getCount() - 1)); params.width = width; listView.setLayoutParams(params); }