ExpandableListView

ExpandableListView属性

exListView.expandGroup(i); //默认展开

exListView.setGroupIndicator(null); //去掉默认的箭头

exListView.setOnGroupClickListener(this); //重写父类的点击事件

在 BaseExpandableListAdapter 中 isExpanded 是用来判断 ExpandableListVIew 是打开还是关闭

ExpandableListView效果图

BaseExpandableListAdapter 代码：

1. public class GoogleMapExpandableListAdapter extends BaseExpandableListAdapter {
   private Context context;
   List<List<MenuBean>> datas;
   public GoogleMapExpandableListAdapter(Context context) {
   this.context = context;
   datas = new ArrayList<List<MenuBean>>();
   datas.add(MenuBean.initMenus());
   }
   @Override
   public View getGroupView(int groupPosition, boolean isExpanded, View converView, ViewGroup parent) {
   TitleHolder titleHolder = null;
   if (converView != null) {
   titleHolder = (TitleHolder) converView.getTag();
   } else {
   titleHolder = new TitleHolder();
   converView = View.inflate(context, R.layout.act_google_map_title, null);
   titleHolder.title_content = (TextView) converView.findViewById(R.id.tv_title);
   converView.setTag(titleHolder);
   }
   titleHolder.title_content.setText("Layer");
   return converView;
   }
   @Override
   public View getChildView(int groupPosition, int childPosition, boolean isLastChild, View convertView, ViewGroup parent) {
   ContentHolder contentHolder = null;
   if (convertView != null) {
   contentHolder = (ContentHolder) convertView.getTag();
   } else {
   contentHolder = new ContentHolder();
   convertView = View.inflate(context, R.layout.act_google_map_content, null);
   contentHolder.content_icon = (ImageView) convertView.findViewById(R.id.iv_content_icon);
   contentHolder.tv_content = (TextView) convertView.findViewById(R.id.tv_content);
   contentHolder.check_box = (CheckBox) convertView.findViewById(R.id.content_check_box);
   convertView.setTag(contentHolder);
   }
   final MenuBean bean = datas.get(groupPosition).get(childPosition);
   contentHolder.tv_content.setText(bean.title);
   contentHolder.content_icon.setImageResource(bean.icon);
   contentHolder.check_box.setChecked(bean.status);
   return convertView;
   }
   
   @Override
   public int getGroupCount() {
   return datas.size();
   }
   @Override
   public int getChildrenCount(int groupPosition) {
   return datas.get(groupPosition).size();
   }
   @Override
   public Object getGroup(int groupPosition) {
   return datas.get(groupPosition);
   }
   @Override
   public Object getChild(int groupPosition, int childPosition) {
   return datas.get(groupPosition).get(childPosition);
   }
   @Override
   public long getGroupId(int groupPosition) {
   return groupPosition;
   }
   @Override
   public long getChildId(int groupPosition, int childPosition) {
   return childPosition;
   }
   @Override
   public boolean hasStableIds() {
   return true;
   }
   @Override
   public boolean isChildSelectable(int groupPosition, int childPosition) {
   return true;
   }
   }

   
   class TitleHolder {
   ImageView title_icon;
   TextView title_content;
   ImageView title_image;
   }
   class ContentHolder {
   ImageView content_icon;
   TextView tv_content;
   CheckBox check_box;
   }