探讨:如何在ScrollView中嵌套ListView

/**
* @param listView
*/
private void setListViewHeightBasedOnChildren(ListView listView) {

ListAdapter listAdapter = listView.getAdapter();
if (listAdapter == null) {
return;
}

int totalHeight = 0;
for (int i = 0; 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);
}

package com.meiya.ui;

import android.widget.ListView;

/**
*
* @Description: scrollview中内嵌listview的简单实现
*
* @File: ScrollViewWithListView.java
*
* @Paceage com.meiya.ui
*
*
* @Date 下午03:02:38
*
* @Version
*/
public class ScrollViewWithListView extends ListView {

public ScrollViewWithListView(android.content.Context context,
android.util.AttributeSet attrs) {
super(context, attrs);
}

/**
* Integer.MAX_VALUE >> 2,如果不设置，系统默认设置是显示两条
*/
public void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
int expandSpec = MeasureSpec.makeMeasureSpec(Integer.MAX_VALUE >> 2,
MeasureSpec.AT_MOST);
super.onMeasure(widthMeasureSpec, expandSpec);

}

}

scrollView.post(new Runnable() { 
      //让scrollview跳转到顶部，必须放在runnable()方法中
    @Override 
    public void run() { 
     scrollView.scrollTo(0, 0); 
     } 
   });