逻辑很简单，捋顺就好了~~~~~~~~
//全选方法
public void selsetAll(final List glist) {
//全选控制一级
cbAll.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
boolean checked =cbAll.isChecked();
cbAll.setChecked(checked);
if(checked) {
for(int i =0; i glist.get(i).setG_ischecked(true); for(int j =0; j glist.get(i).getList().get(j).setC_ischecked(true); } } }else{ for(inti =0; i glist.get(i).setG_ischecked(false); for(intj =0; j glist.get(i).getList().get(j).setC_ischecked(false); } } } adapter.notifyDataSetChanged(); sumPrice(glist); } }); } /** * 2.@authorDell * 3.@date2017/9/14 13:41 */ public class ExpandableAdapter extends BaseExpandableListAdapter{ private List glist; private Context context; public ExpandableAdapter(List glist, Context context) { this.glist= glist; this.context= context; } @Override public int getGroupCount() { return glist.size(); } @Override public int getChildrenCount(intgroupPosition) { return glist.get(groupPosition).getList().size(); } @Override public Object getGroup(intgroupPosition) { return glist.get(groupPosition); } @Override public Object getChild(intgroupPosition,intchildPosition) { return glist.get(groupPosition).getList().get(childPosition); } @Override public long getGroupId(intgroupPosition) { return groupPosition; } @Override public long getChildId(intgroupPosition,intchildPosition) { return childPosition; } @Override public boolean hasStableIds() { return false; } @Override public View getGroupView(final intgroupPosition,booleanisExpanded, View convertView, ViewGroup parent) { final GroupViewHolder gh; if(convertView==null){ gh=new GroupViewHolder(); convertView=View.inflate(context, R.layout.expandable_group,null); gh.cb_group= (CheckBox) convertView.findViewById(R.id.cb_group); gh.tv_group_name= (TextView) convertView.findViewById(R.id.tv_group_name); convertView.setTag(gh); }else{ gh= (GroupViewHolder) convertView.getTag(); } gh.cb_group.setChecked(glist.get(groupPosition).isG_ischecked()); gh.tv_group_name.setText(glist.get(groupPosition).getSellerName()); gh.cb_group.setOnClickListener(newView.OnClickListener() { @Override public void onClick(View v) { boolean checked =gh.cb_group.isChecked(); if(checked){ glist.get(groupPosition).setG_ischecked(true); }else{ glist.get(groupPosition).setG_ischecked(false); } //判断一级选中个数 int n=0; for(inti =0; i booleang_ischecked =glist.get(i).isG_ischecked(); if(g_ischecked){ for(int j =0; j glist.get(i).getList().get(j).setC_ischecked(true); } n++; }else{ for(int j =0; j glist.get(i).getList().get(j).setC_ischecked(false); } } } //一级控制全选 if(n==glist.size()){ onCheckedClick.setOnCheckedClick(true); }else{ onCheckedClick.setOnCheckedClick(false); } sumPrice(); notifyDataSetChanged(); } }); returnconvertView; } @Override publicView getChildView(final intgroupPosition,final intchildPosition,booleanisLastChild, View convertView, ViewGroup parent) { final ChildViewHolder ch; if(convertView==null){ ch=newChildViewHolder(); convertView=View.inflate(context,R.layout.expandable_child,null); ch.cb_child= (CheckBox) convertView.findViewById(R.id.cb_child); ch.iv_child_image= (ImageView) convertView.findViewById(R.id.iv_child_image); ch.tv_child_name= (TextView) convertView.findViewById(R.id.tv_child_name); ch.tv_child_price= (TextView) convertView.findViewById(R.id.tv_child_price); ch.child_number= (TextView) convertView.findViewById(R.id.child_number); convertView.setTag(ch); }else{ ch= (ChildViewHolder) convertView.getTag(); } //适配数据 ch.cb_child.setChecked(glist.get(groupPosition).getList().get(childPosition).isC_ischecked()); String[] split =glist.get(groupPosition).getList().get(childPosition).getImages().split("\\|"); Picasso.with(context).load(split[0]).into(ch.iv_child_image); ch.tv_child_name.setText(glist.get(groupPosition).getList().get(childPosition).getTitle()); doubleprice =glist.get(groupPosition).getList().get(childPosition).getPrice(); ch.tv_child_price.setText("¥"+glist.get(groupPosition).getList().get(childPosition).getPrice()+""); ch.child_number.setText(glist.get(groupPosition).getList().get(childPosition).getNum()+""); ch.cb_child.setOnClickListener(newView.OnClickListener() { @Override public void onClick(View v) { boolean checked =ch.cb_child.isChecked(); if(checked){ glist.get(groupPosition).getList().get(childPosition).setC_ischecked(true); }else{ glist.get(groupPosition).getList().get(childPosition).setC_ischecked(false); } //判断二级选中的个数 int n=0; for(int i =0; i boolean c_ischecked =glist.get(groupPosition).getList().get(i).isC_ischecked(); if(c_ischecked){ n++; } } //二级控制一级 if(n==glist.get(groupPosition).getList().size()){ glist.get(groupPosition).setG_ischecked(true); }else{ glist.get(groupPosition).setG_ischecked(false); } //判断一级选中个数 int m=0; for(int i =0; i booleang_ischecked =glist.get(i).isG_ischecked(); if(g_ischecked){ m++; } } //一级控制全选 if(m==glist.size()){ onCheckedClick.setOnCheckedClick(true); }else{ onCheckedClick.setOnCheckedClick(false); } sumPrice(); notifyDataSetChanged(); } }); return convert View; } @Override public boolean isChildSelectable(int groupPosition,int childPosition) { return true; } class GroupViewHolder{ CheckBox cb_group; TextView tv_group_name; } class ChildViewHolder{ CheckBox cb_child; ImageView iv_child_image; TextView tv_child_name; TextView tv_child_price; ImageView child_jian,child_jia; TextView child_number; } //接口回调 public OnCheckedClick onCheckedClick; public void setOnCheckedClick(OnCheckedClick onCheckedClick) { this.onCheckedClick= onCheckedClick; } //传递价格、数量的接口 public interface OnCheckedClick{ void setOnCheckedClick(booleanflag); void setOnCheckedCount(intcount); void setOnCheckedPrice(doubleprice); } //算价格数量的方法 public void sumPrice(){ int count=0; double price=0.0; for(inti =0; i for(intj =0; j boolean c_ischecked =glist.get(i).getList().get(j).isC_ischecked(); if(c_ischecked){ int num = Integer.parseInt(glist.get(i).getList().get(j).getNum()+""); double v = Double.parseDouble(glist.get(i).getList().get(j).getPrice()+""); count+=num; price+=v*num; } } } onCheckedClick.setOnCheckedCount(count); onCheckedClick.setOnCheckedPrice(price); } }* ExpandableAdapter适配器