ScrollView嵌套GridView

关于ScrollView嵌套GridView的一些问题以及解决方法。重写GridView决绝嵌套问题。

【遇到坑】：

在调到次页面时，显示的不是Scrollview顶部，而是当前GridView位置

【解决】：

直接设置ScrollView是没有什么效果的，要先让gridview取消焦点，再设置ScrollView初始位置

mGridView.setFocusable(false);

mScrollView.scrollTo(0, 0);//设置scrollview初始位置

【代码】：

package com.zoommax.car.view;

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

/**
 * 作者：PinkCandy
 * 时间： 2017/1/9.
 * 描述：ScrollView嵌套GridView
 * TODO：
 */
public class MyGridView extends GridView {
    public MyGridView(Context context, AttributeSet attrs) {
        super(context, attrs);
    }
    public MyGridView(Context context) {
        super(context);
    }
    public MyGridView(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
    }
    @Override
    public void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
        int expandSpec = MeasureSpec.makeMeasureSpec(
                Integer.MAX_VALUE >> 2, MeasureSpec.AT_MOST);
        super.onMeasure(widthMeasureSpec, expandSpec);
    }
}
           

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