[Android]ExpandableListView消息响应出错!麻烦帮忙看下!

Question

    final ExAdapter listAdapter = new ExAdapter(MeterOperateActivity.this);
    buttonListView.setAdapter(listAdapter);
    buttonListView.setGroupIndicator(null);
    buttonListView.setDivider(null);
    buttonListView.setOnGroupClickListener(new OnGroupClickListener() {
        @Override
        public boolean onGroupClick(ExpandableListView parent, View v,int groupPosition, long id) {
            for (int i = 0; i < listAdapter.getGroupCount(); i++) {
                if (groupPosition != i) {
                    if(buttonListView.isGroupExpanded(i)){
                        buttonListView.collapseGroup(i);
                    }                       
                }
            }
            return false;
        }
    });

代码如上, 我想实现,一个分组展开时,其余分组收起!结果出现问题,错误如下:

Answer 1

数组溢出了，检查一下数组长度吧