面试常见问题汇总

package com.demo;

import android.content.Context;

import android.util.AttributeSet;

import android.widget.ListView;

/**

* Created by Aries on 2017/5/22.

*/

public class MyScrollViewListView extends ListView {

public MyScrollViewListView(Context context, AttributeSet attrs) {

super(context, attrs);

}

@Override

public void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {

int expandSpec = MeasureSpec.makeMeasureSpec(Integer.MAX_VALUE >> 2,

MeasureSpec.AT_MOST);

super.onMeasure(widthMeasureSpec, expandSpec);

}

}