• ListView和Gridview与滚动冲突解决


       现在的界面是越做越长了,不知道你们会有什么绝招来对付这么长的界面,我还是利用listview或者GridView来结合Scrollview来合成。然后,问题来了,如果试这么开始的,总会有滑动冲突的现象产生。

    那么,该何去何从呢,我也是见别人的参考做的。记下来,今后肯定用的多。

    package com.ky.utills;
    
    import android.view.View;
    import android.view.ViewGroup;
    import android.widget.GridView;
    import android.widget.ListAdapter;
    import android.widget.ListView;
    
    public class Utility {
        public static void setListViewHeightBasedOnChildren(ListView listView) {
            ListAdapter listAdapter = listView.getAdapter();
            if (listAdapter == null) {
                // pre-condition
                return;
            }
    
            int totalHeight = 0;
            for (int i = 0; i < listAdapter.getCount(); i++) {
                View listItem = listAdapter.getView(i, null, listView);
                listItem.measure(0, 0);
                totalHeight += listItem.getMeasuredHeight();
            }
    
            ViewGroup.LayoutParams params = listView.getLayoutParams();
            params.height = totalHeight
                    + (listView.getDividerHeight() * (listAdapter.getCount() - 1));
            listView.setLayoutParams(params);
        }
    
        public static void setGridViewHeightBasedOnChildren(GridView gridView,
                int num) {
            ListAdapter listAdapter = gridView.getAdapter();
            if (listAdapter == null) {
                // pre-condition
                return;
            }
    
            int totalHeight = 0;
            int count = 0;
            if (listAdapter.getCount() % num == 0) {
                count = listAdapter.getCount() / num;
            } else {
                count = listAdapter.getCount() / num + 1;
    
            }
            for (int i = 0; i < count; i++) {
                View listItem = listAdapter.getView(i, null, gridView);
                listItem.measure(0, 0);
                totalHeight += listItem.getMeasuredHeight();
            }
    
            ViewGroup.LayoutParams params = gridView.getLayoutParams();
            params.height = totalHeight + (gridView.getHeight() * ((count) - 1));
            gridView.setLayoutParams(params);
        }
    }

    ,然后在Viewsetadapter后,加上这个就okay:

            Utility.setListViewHeightBasedOnChildren(game_ListView);

    完好,今天送给自己一句话:人活着一定要有意义

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  • 原文地址:https://www.cnblogs.com/Catherine-Brain/p/4137916.html
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