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);
}
}