在子点击时关闭可展开的 ListView答案

【问题标题】：Close expandable ListView on child click在子点击时关闭可展开的 ListView
【发布时间】：2016-06-12 17:25:33
【问题描述】：

我实现了以下可扩展列表视图的方法。现在，当单击父级时，listView 会折叠。我想要做的是将列表设置为在按下孩子时折叠（不仅是组）。虽然我在搜索，但我不明白我需要覆盖/实现哪种方法。谢谢！

expListView.setOnGroupClickListener(new ExpandableListView.OnGroupClickListener() {

    @Override
    public boolean onGroupClick(ExpandableListView parent, View v,
int groupPosition, long id) {
parent.collapseGroup(groupPosition);
return false;
    }
});
expListView.setOnGroupExpandListener(new ExpandableListView.OnGroupExpandListener() {

    @Override
    public void onGroupExpand(int groupPosition) {

    }
});
expListView.setOnGroupCollapseListener(new ExpandableListView.OnGroupCollapseListener() {

    @Override
    public void onGroupCollapse(int groupPosition) {

    }
});

expListView.setOnChildClickListener(new ExpandableListView.OnChildClickListener() {

    @Override
    public boolean onChildClick(ExpandableListView parent, View v,
int groupPosition, int childPosition, long id) {
return false;
    }
});

【问题讨论】：

标签： android expandablelistview

【解决方案1】：

你需要做的就是添加这行代码：

@Override
        public boolean onGroupClick(ExpandableListView parent, View v,
                                    int groupPosition, long id) {
            parent.collapseGroup(groupPosition);
            return false;
        }

【讨论】：

【解决方案2】：

它的工作请看截图

 expListView.setOnGroupExpandListener(new OnGroupExpandListener() {

            // TODO Colapse Here Using this... in android
            int previousGroup = -1;
            boolean flag = false;

            @Override
            public void onGroupExpand(int groupPosition) {

                Log.e("keshav", "onGroupClick is -> " + groupPosition);

                Toast.makeText(getApplicationContext(),
                        listDataHeader.get(groupPosition) + " Expanded",
                        Toast.LENGTH_SHORT).show();

                if (groupPosition != previousGroup && flag) {
                    expListView.collapseGroup(previousGroup);
                }
                previousGroup = groupPosition;

                flag = true;

            }
        });

请看这里ExpandableLists in Android, I want to allow only one parent list to expand at a time

【讨论】：

【解决方案3】：

使用此代码在子点击时折叠 ExpandableListView

@Override
        public boolean onChildClick(ExpandableListView parent, View v,
                                    int groupPosition, int childPosition, long id) {

            parent.collapseGroup(groupPosition);
            return false;
        }

【讨论】：