ScrollView嵌套listview或gridview

当ScrollView中嵌套ListView或者GrideView时，listView和GrideView不能完全显示的时候
    将GrideView和ListView做成自定义的就可以了：
    自定义listView
public class MyListView extends ListView {

public MyListView(Context context) {
super(context);
}

public MyListView(Context context, AttributeSet attrs) {
super(context, attrs);
}

public MyListView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}

@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
// TODO Auto-generated method stub
int expandSpec = MeasureSpec.makeMeasureSpec(Integer.MAX_VALUE >> 2,
MeasureSpec.AT_MOST);
super.onMeasure(widthMeasureSpec, expandSpec);
}

}
   自定义GrideView
public class MyGridView extends GridView{

 public MyGridView(Context context, AttributeSet attrs) {