MVP模式淘宝购物车
2024-04-15 10:27:18
//从上至下
public class DashApplication extends Application {private static Context context;private static Handler handler;private static int mainId;public static boolean isLoginSuccess;//是否已经登录的状态
@Override
public void onCreate() {super.onCreate();//关于context----http://blog.csdn.net/lmj623565791/article/details/40481055
context = getApplicationContext();//初始化handler
handler = new Handler();//主线程的id
mainId = Process.myTid();}/**
* 对外提供了context
* @return
*/
public static Context getAppContext() {return context;}/**
* 得到全局的handler
* @return
*/
public static Handler getAppHanler() {return handler;}/**
* 获取主线程id
* @return
*/
public static int getMainThreadId() {return mainId;}
}
public class CartBean {/**
* msg : 请求成功
* code : 0
* data : [{"list":[{"bargainPrice":111.99,"createtime":"2017-10-14T21:48:08","detailUrl":"https://item.m.jd.com/product/4719303.html?utm_source=androidapp&utm_medium=appshare&utm_campaign=t_335139774&utm_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t9004/210/1160833155/647627/ad6be059/59b4f4e1N9a2b1532.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7504/338/63721388/491286/f5957f53/598e95f1N7f2adb87.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7441/10/64242474/419246/adb30a7d/598e95fbNd989ba0a.jpg!q70.jpg","num":1,"pid":22,"price":799,"pscid":1,"selected":0,"sellerid":15,"subhead":"每个中秋都不能简单，无论身在何处，你总需要一块饼让生活更圆满，京东月饼让爱更圆满京东自营，闪电配送，更多惊喜，快用手指戳一下","title":"北京稻香村 稻香村中秋节月饼 老北京月饼礼盒655g"}],"sellerName":"商家15","sellerid":"15"},{"list":[{"bargainPrice":111.99,"createtime":"2017-10-14T21:39:05","detailUrl":"https://item.m.jd.com/product/4719303.html?utm_source=androidapp&utm_medium=appshare&utm_campaign=t_335139774&utm_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t9004/210/1160833155/647627/ad6be059/59b4f4e1N9a2b1532.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7504/338/63721388/491286/f5957f53/598e95f1N7f2adb87.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7441/10/64242474/419246/adb30a7d/598e95fbNd989ba0a.jpg!q70.jpg","num":1,"pid":1,"price":118,"pscid":1,"selected":0,"sellerid":17,"subhead":"每个中秋都不能简单，无论身在何处，你总需要一块饼让生活更圆满，京东月饼让爱更圆满京东自营，闪电配送，更多惊喜，快用手指戳一下","title":"北京稻香村 稻香村中秋节月饼 老北京月饼礼盒655g"}],"sellerName":"商家17","sellerid":"17"},{"list":[{"bargainPrice":111.99,"createtime":"2017-10-14T21:39:05","detailUrl":"https://item.m.jd.com/product/4719303.html?utm_source=androidapp&utm_medium=appshare&utm_campaign=t_335139774&utm_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t9004/210/1160833155/647627/ad6be059/59b4f4e1N9a2b1532.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7504/338/63721388/491286/f5957f53/598e95f1N7f2adb87.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7441/10/64242474/419246/adb30a7d/598e95fbNd989ba0a.jpg!q70.jpg","num":1,"pid":2,"price":299,"pscid":1,"selected":0,"sellerid":18,"subhead":"每个中秋都不能简单，无论身在何处，你总需要一块饼让生活更圆满，京东月饼让爱更圆满京东自营，闪电配送，更多惊喜，快用手指戳一下","title":"北京稻香村 稻香村中秋节月饼 老北京月饼礼盒655g"}],"sellerName":"商家18","sellerid":"18"},{"list":[{"bargainPrice":111.99,"createtime":"2017-10-14T21:48:08","detailUrl":"https://item.m.jd.com/product/4719303.html?utm_source=androidapp&utm_medium=appshare&utm_campaign=t_335139774&utm_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t9004/210/1160833155/647627/ad6be059/59b4f4e1N9a2b1532.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7504/338/63721388/491286/f5957f53/598e95f1N7f2adb87.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7441/10/64242474/419246/adb30a7d/598e95fbNd989ba0a.jpg!q70.jpg","num":1,"pid":4,"price":999,"pscid":1,"selected":0,"sellerid":20,"subhead":"每个中秋都不能简单，无论身在何处，你总需要一块饼让生活更圆满，京东月饼让爱更圆满京东自营，闪电配送，更多惊喜，快用手指戳一下","title":"北京稻香村 稻香村中秋节月饼 老北京月饼礼盒655g"}],"sellerName":"商家20","sellerid":"20"}]
*/
private String msg;private String code;private List<DataBean> data;public String getMsg() {return msg;}public void setMsg(String msg) {this.msg = msg;}public String getCode() {return code;}public void setCode(String code) {this.code = code;}public List<DataBean> getData() {return data;}public void setData(List<DataBean> data) {this.data = data;}public static class DataBean {public boolean isGroupChecked() {return isGroupChecked;}public void setGroupChecked(boolean groupChecked) {isGroupChecked = groupChecked;}/**
* list : [{"bargainPrice":111.99,"createtime":"2017-10-14T21:48:08","detailUrl":"https://item.m.jd.com/product/4719303.html?utm_source=androidapp&utm_medium=appshare&utm_campaign=t_335139774&utm_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t9004/210/1160833155/647627/ad6be059/59b4f4e1N9a2b1532.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7504/338/63721388/491286/f5957f53/598e95f1N7f2adb87.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7441/10/64242474/419246/adb30a7d/598e95fbNd989ba0a.jpg!q70.jpg","num":1,"pid":22,"price":799,"pscid":1,"selected":0,"sellerid":15,"subhead":"每个中秋都不能简单，无论身在何处，你总需要一块饼让生活更圆满，京东月饼让爱更圆满京东自营，闪电配送，更多惊喜，快用手指戳一下","title":"北京稻香村 稻香村中秋节月饼 老北京月饼礼盒655g"}]
* sellerName : 商家15
* sellerid : 15
*/
private boolean isGroupChecked;private String sellerName;private String sellerid;private List<ListBean> list;public String getSellerName() {return sellerName;}public void setSellerName(String sellerName) {this.sellerName = sellerName;}public String getSellerid() {return sellerid;}public void setSellerid(String sellerid) {this.sellerid = sellerid;}public List<ListBean> getList() {return list;}public void setList(List<ListBean> list) {this.list = list;}public static class ListBean {/**
* bargainPrice : 111.99
* createtime : 2017-10-14T21:48:08
* detailUrl : https://item.m.jd.com/product/4719303.html?utm_source=androidapp&utm_medium=appshare&utm_campaign=t_335139774&utm_term=QQfriends
* images : https://m.360buyimg.com/n0/jfs/t9004/210/1160833155/647627/ad6be059/59b4f4e1N9a2b1532.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7504/338/63721388/491286/f5957f53/598e95f1N7f2adb87.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7441/10/64242474/419246/adb30a7d/598e95fbNd989ba0a.jpg!q70.jpg
* num : 1
* pid : 22
* price : 799.0
* pscid : 1
* selected : 0
* sellerid : 15
* subhead : 每个中秋都不能简单，无论身在何处，你总需要一块饼让生活更圆满，京东月饼让爱更圆满京东自营，闪电配送，更多惊喜，快用手指戳一下
* title : 北京稻香村 稻香村中秋节月饼 老北京月饼礼盒655g
*/
private double bargainPrice;private String createtime;private String detailUrl;private String images;private int num;private int pid;private double price;private int pscid;private int selected;private int sellerid;private String subhead;private String title;public double getBargainPrice() {return bargainPrice;}public void setBargainPrice(double bargainPrice) {this.bargainPrice = bargainPrice;}public String getCreatetime() {return createtime;}public void setCreatetime(String createtime) {this.createtime = createtime;}public String getDetailUrl() {return detailUrl;}public void setDetailUrl(String detailUrl) {this.detailUrl = detailUrl;}public String getImages() {return images;}public void setImages(String images) {this.images = images;}public int getNum() {return num;}public void setNum(int num) {this.num = num;}public int getPid() {return pid;}public void setPid(int pid) {this.pid = pid;}public double getPrice() {return price;}public void setPrice(double price) {this.price = price;}public int getPscid() {return pscid;}public void setPscid(int pscid) {this.pscid = pscid;}public int getSelected() {return selected;}public void setSelected(int selected) {this.selected = selected;}public int getSellerid() {return sellerid;}public void setSellerid(int sellerid) {this.sellerid = sellerid;}public String getSubhead() {return subhead;}public void setSubhead(String subhead) {this.subhead = subhead;}public String getTitle() {return title;}public void setTitle(String title) {this.title = title;}}}
}
public class CountPriceBean {private double price;private int count;public CountPriceBean(double price, int count) {this.price = price;this.count = count;}public double getPrice() {return price;}public void setPrice(double price) {this.price = price;}public int getCount() {return count;}public void setCount(int count) {this.count = count;}
}
//MODEL
public class CartModel {private ICartPresenter iCartPresenter;public CartModel(ICartPresenter iCartPresenter) {this.iCartPresenter = iCartPresenter;}public void getCartData(final String cartUrl) {//获取数据
OkHttp3Util.doGet(cartUrl, new Callback() {@Override
public void onFailure(Call call, IOException e) {Log.e(cartUrl,e.getLocalizedMessage());}@Override
public void onResponse(Call call, Response response) throws IOException {if (response.isSuccessful()){final String json = response.body().string();//返回数据到主线程
CommonUtils.runOnUIThread(new Runnable() {@Override
public void run() {iCartPresenter.getSuccessCartJson(json);}});}}});}
}
//p
public interface ICartPresenter {void getSuccessCartJson(String json);
}
public class CartPresenter implements ICartPresenter{private final CartModel cartModel;private IMainActivity iMainActivity;public CartPresenter(IMainActivity iMainActivity) {this.iMainActivity = iMainActivity;cartModel = new CartModel(this);}public void getCartData(String cartUrl) {cartModel.getCartData(cartUrl);}@Override
public void getSuccessCartJson(String json) {//回调给view
iMainActivity.getSuccessCartData(json);}
}
//工具类
public class CommonUtils {public static final String TAG = "Dash";//sp文件的xml名称
private static SharedPreferences sharedPreferences;/**
* DashApplication.getAppContext()可以使用,但是会使用系统默认的主题样式，如果你自定义了某些样式可能不会被使用
* @param layoutId
* @return
*/
public static View inflate(int layoutId) {View view = View.inflate(DashApplication.getAppContext(), layoutId, null);return view;}/**
* dip---px
*
* @param dip 设备独立像素device independent px....1dp = 3px 1dp = 2px 1dp = 1.5px
* @return
*/
public static int dip2px(int dip) {//获取像素密度
float density = DashApplication.getAppContext().getResources().getDisplayMetrics().density;//
int px = (int) (dip * density + 0.5f);//100.6
return px;}/**
* px-dip
*
* @param px
* @return
*/
public static int px2dip(int px) {//获取像素密度
float density = DashApplication.getAppContext().getResources().getDisplayMetrics().density;//
int dip = (int) (px / density + 0.5f);return dip;}/**
* 获取资源中的字符串
* @param stringId
* @return
*/
public static String getString(int stringId) {return DashApplication.getAppContext().getResources().getString(stringId);}public static Drawable getDrawable(int did) {return DashApplication.getAppContext().getResources().getDrawable(did);}public static int getDimens(int id) {return DashApplication.getAppContext().getResources().getDimensionPixelSize(id);}/**
* sp存入字符串类型的值
* @param flag
* @param str
*/
public static void saveSp(String flag, String str) {if (sharedPreferences == null) {sharedPreferences = DashApplication.getAppContext().getSharedPreferences(TAG, DashApplication.getAppContext().MODE_PRIVATE);}SharedPreferences.Editor edit = sharedPreferences.edit();edit.putString(flag, str);edit.commit();}public static String getSp(String flag) {if (sharedPreferences == null) {sharedPreferences = DashApplication.getAppContext().getSharedPreferences(TAG, DashApplication.getAppContext().MODE_PRIVATE);}return sharedPreferences.getString(flag, "");}public static boolean getBoolean(String tag) {if (sharedPreferences == null) {sharedPreferences = DashApplication.getAppContext().getSharedPreferences(TAG, DashApplication.getAppContext().MODE_PRIVATE);}return sharedPreferences.getBoolean(tag, false);}public static void putBoolean(String tag, boolean content) {if (sharedPreferences == null) {sharedPreferences = DashApplication.getAppContext().getSharedPreferences(TAG, DashApplication.getAppContext().MODE_PRIVATE);}SharedPreferences.Editor edit = sharedPreferences.edit();edit.putBoolean(tag, content);edit.commit();}/**
* 清除sp数据
* @param tag
*/
public static void clearSp(String tag) {if (sharedPreferences == null) {sharedPreferences = DashApplication.getAppContext().getSharedPreferences(TAG, DashApplication.getAppContext().MODE_PRIVATE);}SharedPreferences.Editor edit = sharedPreferences.edit();edit.remove(tag);edit.commit();}/**
* 自己写的运行在主线程的方法
* 如果是主线程,执行任务,否则使用handler发送到主线程中去执行
*
*
* @param runable
*/
public static void runOnUIThread(Runnable runable) {//先判断当前属于子线程还是主线程
if (android.os.Process.myTid() == DashApplication.getMainThreadId()) {runable.run();} else {//子线程
DashApplication.getAppHanler().post(runable);}}
}
//适配器
public class MyAdapter extends BaseExpandableListAdapter{private Handler handler;private Context context;private List<CartBean.DataBean> listGroup;private List<List<CartBean.DataBean.ListBean>> listChilds;public MyAdapter(Context context, List<CartBean.DataBean> listGroup, List<List<CartBean.DataBean.ListBean>> listChilds, Handler handler) {this.context = context;this.listGroup = listGroup;this.listChilds = listChilds;this.handler = handler;}@Override
public int getGroupCount() {return listGroup.size();}@Override
public int getChildrenCount(int groupPosition) {return listChilds.get(groupPosition).size();}@Override
public Object getGroup(int groupPosition) {return listGroup.get(groupPosition);}@Override
public Object getChild(int groupPosition, int childPosition) {return listChilds.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 View getGroupView(final int groupPosition, boolean b, View view, ViewGroup viewGroup) {GroupHolder holder;if (view == null){view = View.inflate(context, R.layout.group_item_layout,null);holder = new GroupHolder();holder.check_group = view.findViewById(R.id.check_group);holder.text_group = view.findViewById(R.id.text_group);view.setTag(holder);}else {holder = (GroupHolder) view.getTag();}final CartBean.DataBean dataBean = listGroup.get(groupPosition);//赋值
holder.check_group.setChecked(dataBean.isGroupChecked());holder.text_group.setText(dataBean.getSellerName());//设置点击事件
holder.check_group.setOnClickListener(new View.OnClickListener() {@Override
public void onClick(View view) {//2.1改变当前一级选中的状态
dataBean.setGroupChecked(! dataBean.isGroupChecked());//2.2根据当前一级的状态,改变该组里面二级列表的状态
changeChildState(groupPosition,dataBean.isGroupChecked());//2.3通过判断所有的一级组是否选中,来决定是否全选选中
changeAllState(isAllGroupChecked());//2.4发送价格个数量:
sendPriceAndCount();//刷新适配器
notifyDataSetChanged();}});return view;}/**
* 根据所有一级列表是否选中,确定外面的全选是否选中
* @param allGroupChecked
*/
private void changeAllState(boolean allGroupChecked) {Message msg = Message.obtain();msg.what =1;msg.obj = allGroupChecked;handler.sendMessage(msg);}/**
* 所有的一级列表是否选中
* @return
*/
private boolean isAllGroupChecked() {for (int i=0;i<listGroup.size();i++){if (! listGroup.get(i).isGroupChecked()){return false;}}return true;}/**
* 根据当前一级列表的状态,,,改变当前组中所有二级列表的状态
* @param groupPosition
* @param groupChecked
*/
private void changeChildState(int groupPosition, boolean groupChecked) {List<CartBean.DataBean.ListBean> listBeans = listChilds.get(groupPosition);for (int i=0;i<listBeans.size();i++){listBeans.get(i).setSelected(groupChecked? 1:0);}}@Override
public View getChildView(final int groupPosition, int childPosition, boolean b, View view, ViewGroup viewGroup) {ChildHolder holder;if (view == null){view = View.inflate(context, R.layout.child_item_layout,null);holder = new ChildHolder();holder.text_add = view.findViewById(R.id.text_add);holder.text_num = view.findViewById(R.id.text_num);holder.text_jian = view.findViewById(R.id.text_jian);holder.text_title = view.findViewById(R.id.text_title);holder.text_price = view.findViewById(R.id.text_price);holder.image_good = view.findViewById(R.id.image_good);holder.check_child = view.findViewById(R.id.check_child);view.setTag(holder);}else {holder = (ChildHolder) view.getTag();}//赋值
final CartBean.DataBean.ListBean listBean = listChilds.get(groupPosition).get(childPosition);holder.text_num.setText(listBean.getNum()+"");//......注意
holder.text_price.setText("¥"+listBean.getPrice());holder.text_title.setText(listBean.getTitle());//listBean.getSelected().....0false,,,1true
//设置checkBox选中状态
holder.check_child.setChecked(listBean.getSelected()==0? false:true);/*implementation 'com.github.bumptech.glide:glide:4.4.0'
annotationProcessor 'com.github.bumptech.glide:compiler:4.4.0'*/
Glide.with(context).load(listBean.getImages().split("\\|")[0]).into(holder.image_good);//设置点击事件
holder.check_child.setOnClickListener(new View.OnClickListener() {@Override
public void onClick(View view) {//3.1点击改变当前子条目状态:....实际是改变当前的数据,,,刷新适配器
listBean.setSelected(listBean.getSelected() ==0? 1:0);//3.2发送价钱和数量给界面显示
sendPriceAndCount();//3.3判断当前子条目是否选中
if (listBean.getSelected() == 1){//判断一下当前组中所有的子条目是否全部选中
if (isAllChildSelected(groupPosition)){//如果全部选中改变一下当前组的状态
changeGroupState(groupPosition,true);//.确定是否改变全选
changeAllState(isAllGroupChecked());}}else {//如果没有选中改变一下当前组的状态
changeGroupState(groupPosition,false);//.确定是否改变全选
changeAllState(isAllGroupChecked());}//刷新适配器
notifyDataSetChanged();}});//加号:
holder.text_add.setOnClickListener(new View.OnClickListener() {@Override
public void onClick(View view) {//改变当前位置 中商品的数量
listBean.setNum(listBean.getNum()+1);//判断一下是否选中...计算价格数量
if (listBean.getSelected() == 1){sendPriceAndCount();}//
notifyDataSetChanged();}});//减号
holder.text_jian.setOnClickListener(new View.OnClickListener() {@Override
public void onClick(View view) {int num = listBean.getNum();if (num == 1){return;}listBean.setNum(num -1);//判断是否选中
if (listBean.getSelected() == 1){sendPriceAndCount();}notifyDataSetChanged();}});return view;}/**
* 改变当前组的状态
* @param groupPosition
* @param b
*/
private void changeGroupState(int groupPosition, boolean b) {listGroup.get(groupPosition).setGroupChecked(b);}/**
* 判断当前组中所有的二级是否选中
* @param groupPosition
* @return
*/
private boolean isAllChildSelected(int groupPosition) {List<CartBean.DataBean.ListBean> listBeans = listChilds.get(groupPosition);for (int i=0;i<listBeans.size();i++){if (listBeans.get(i).getSelected() == 0){return false;}}return true;}@Override
public boolean isChildSelectable(int groupPosition, int childPosition) {return true;//子条目是否可以点击
}/**
* 设置是否全选
* @param checked
*/
public void setIfCheckAll(boolean checked) {for (int i = 0;i<listGroup.size();i++){CartBean.DataBean dataBean = listGroup.get(i);//设置组上面的checkBox是否选中
dataBean.setGroupChecked(checked);List<CartBean.DataBean.ListBean> listBeans = dataBean.getList();for (int j = 0; j< listBeans.size(); j++){//改变是否选中的状态...数据应该变的是
listBeans.get(j).setSelected(checked? 1:0);}}//计算价钱和数量并且发送到mainActivity显示
sendPriceAndCount();//刷新适配器
notifyDataSetChanged();}/**
* 计算总价和数量,,,发送显示
*/
private void sendPriceAndCount() {double price = 0;int count = 0;for (int i=0;i<listGroup.size();i++){List<CartBean.DataBean.ListBean> listBeans = listGroup.get(i).getList();for (int j = 0;j<listBeans.size();j++){CartBean.DataBean.ListBean listBean = listBeans.get(j);if (listBean.getSelected()==1){price += listBean.getPrice()* listBean.getNum();count += listBean.getNum();}}}CountPriceBean countPriceBean = new CountPriceBean(price, count);//显示到activity页面
Message msg = Message.obtain();msg.what = 0;msg.obj = countPriceBean;handler.sendMessage(msg);}private class GroupHolder{CheckBox check_group;TextView text_group;}private class ChildHolder{CheckBox check_child;ImageView image_good;TextView text_title;TextView text_price;TextView text_jian;TextView text_num;TextView text_add;}
}
//自定义二级列表
public class CartExpanableListview extends ExpandableListView {public CartExpanableListview(Context context) {super(context);}public CartExpanableListview(Context context, AttributeSet attrs) {super(context, attrs);}public CartExpanableListview(Context context, AttributeSet attrs, int defStyleAttr) {super(context, attrs, defStyleAttr);}@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {int height = MeasureSpec.makeMeasureSpec(Integer.MAX_VALUE>>2,MeasureSpec.AT_MOST);super.onMeasure(widthMeasureSpec, height);}
}
IView
public interface IMainActivity {void getSuccessCartData(String json);}
//Mainactity
public class MainActivity extends AppCompatActivity implements IMainActivity, View.OnClickListener {private CartExpanableListview expanableListview;private String cartUrl = "https://www.zhaoapi.cn/product/getCarts?uid=3004";private CartPresenter cartPresenter;private Gson gson;private MyAdapter myAdapter;private CheckBox check_all;private TextView text_total;private TextView text_buy;private Handler handler = new Handler(){@Override
public void handleMessage(Message msg) {if (msg.what == 0){CountPriceBean countPriceBean = (CountPriceBean) msg.obj;//设置
text_total.setText("合计:¥"+countPriceBean.getPrice());text_buy.setText("去结算("+countPriceBean.getCount()+")");}else if (msg.what == 1){//改变全选
boolean flag = (boolean) msg.obj;check_all.setChecked(flag);}}};@Override
protected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);check_all =(CheckBox) findViewById(R.id.check_all);text_total = (TextView)findViewById(R.id.text_total);text_buy =(TextView) findViewById(R.id.text_buy);expanableListview =(CartExpanableListview) findViewById(R.id.expanable_listview);//去掉默认的指示器
expanableListview.setGroupIndicator(null);cartPresenter = new CartPresenter(this);gson = new Gson();//全选:...点击事件
check_all.setOnClickListener(this);}@Override
protected void onResume() {super.onResume();//请求数据
cartPresenter.getCartData(cartUrl);}@Override
public void getSuccessCartData(String json) {//解析数据
CartBean cartBean = gson.fromJson(json, CartBean.class);//一个是一级标题的数据
List<CartBean.DataBean> listGroup = cartBean.getData();//所有子条目的数据
List<List<CartBean.DataBean.ListBean>> listChilds = new ArrayList<>();for (int i=0;i<listGroup.size();i++){listChilds.add(listGroup.get(i).getList());}//设置适配器
myAdapter = new MyAdapter(MainActivity.this, listGroup, listChilds,handler);expanableListview.setAdapter(myAdapter);//展开所有
for (int i=0;i<listGroup.size();i++){expanableListview.expandGroup(i);}}@Override
public void onClick(View view) {switch (view.getId()){case R.id.check_all:myAdapter.setIfCheckAll(check_all.isChecked());break;}}
}
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.dash.a18_shopping_cart.view.MainActivity"><ScrollView
android:layout_above="@+id/linear_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"><LinearLayout
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent"><!--购物车的二级列表-->
<com.dash.a18_shopping_cart.view.custom.CartExpanableListview
android:id="@+id/expanable_listview"
android:layout_width="match_parent"
android:layout_height="wrap_content"></com.dash.a18_shopping_cart.view.custom.CartExpanableListview><!--为你推荐-->
<LinearLayout
android:layout_width="match_parent"
android:layout_height="500dp"
android:background="#00ff00"
android:orientation="vertical"></LinearLayout></LinearLayout></ScrollView><LinearLayout
android:id="@+id/linear_layout"
android:layout_alignParentBottom="true"
android:gravity="center_vertical"
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="50dp"><CheckBox
android:layout_marginLeft="10dp"
android:button="@null"
android:background="@drawable/check_box_selector"
android:id="@+id/check_all"
android:layout_width="wrap_content"
android:layout_height="wrap_content" /><TextView
android:id="@+id/text_total"
android:text="合计:¥0.00"
android:layout_weight="2"
android:layout_width="0dp"
android:layout_height="wrap_content" /><TextView
android:text="去结算(0)"
android:background="#ff0000"
android:textColor="#ffffff"
android:gravity="center"
android:id="@+id/text_buy"
android:layout_width="0dp"
android:layout_weight="1"
android:layout_height="match_parent" /></LinearLayout></RelativeLayout>
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:padding="10dp"
android:layout_width="match_parent"
android:layout_height="match_parent"><CheckBox
android:layout_centerVertical="true"
android:id="@+id/check_child"
android:button="@null"
android:background="@drawable/check_box_selector"
android:layout_width="wrap_content"
android:layout_height="wrap_content" /><ImageView
android:id="@+id/image_good"
android:layout_centerVertical="true"
android:layout_toRightOf="@+id/check_child"
android:layout_marginLeft="10dp"
android:layout_width="80dp"
android:layout_height="80dp" /><TextView
android:id="@+id/text_title"
android:layout_toRightOf="@+id/image_good"
android:layout_marginLeft="10dp"
android:layout_alignTop="@+id/image_good"
android:maxLines="2"
android:minLines="2"
android:layout_width="wrap_content"
android:layout_height="wrap_content" /><TextView
android:id="@+id/text_price"
android:layout_toRightOf="@+id/image_good"
android:layout_marginLeft="10dp"
android:layout_alignBottom="@+id/image_good"
android:text="¥99.99"
android:textColor="#ff0000"
android:layout_width="wrap_content"
android:layout_height="wrap_content" /><LinearLayout
android:layout_alignParentRight="true"
android:layout_alignBottom="@+id/image_good"
android:orientation="horizontal"
android:layout_width="wrap_content"
android:layout_height="wrap_content"><TextView
android:id="@+id/text_jian"
android:text="一"
android:padding="5dp"
android:background="@drawable/bian_kuang_line"
android:layout_width="wrap_content"
android:layout_height="wrap_content" /><TextView
android:gravity="center"
android:id="@+id/text_num"
android:paddingLeft="10dp"
android:paddingRight="10dp"
android:background="@drawable/bian_kuang_line"
android:layout_width="wrap_content"
android:layout_height="match_parent" /><TextView
android:id="@+id/text_add"
android:text="十"
android:padding="5dp"
android:background="@drawable/bian_kuang_line"
android:layout_width="wrap_content"
android:layout_height="wrap_content" /></LinearLayout></RelativeLayout>
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="horizontal"
android:gravity="center_vertical"
android:padding="10dp"
android:layout_width="match_parent"
android:layout_height="match_parent"><CheckBox
android:button="@null"
android:background="@drawable/check_box_selector"
android:id="@+id/check_group"
android:layout_width="wrap_content"
android:layout_height="wrap_content" /><TextView
android:layout_marginLeft="10dp"
android:text="京东自营"
android:id="@+id/text_group"
android:layout_width="wrap_content"
android:layout_height="wrap_content" /></LinearLayout>
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