ScrollView嵌套GridView

package com.dy.view;

import android.content.Context;
import android.util.AttributeSet;
import android.widget.GridView;

public class MyGridView extends GridView{ 
	 
    public MyGridView(Context context, AttributeSet attrs, int defStyle) { 
        super(context, attrs, defStyle); 
        // TODO Auto-generated constructor stub 
    } 
    public MyGridView(Context context, AttributeSet attrs) { 
        super(context, attrs); 
        // TODO Auto-generated constructor stub 
    } 
    public MyGridView(Context context) { 
        super(context); 
        // TODO Auto-generated constructor stub 
    } 
    @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);  
 
    } 
}