一级 二级列表

原创 于 2017-11-23 10:48:38 发布 · 605 阅读 · 0 ·
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文章标签：

#lgh #gson #junit

依赖

 compile 'com.android.support:appcompat-v7:26.0.0-alpha1'
    compile 'com.android.support:recyclerview-v7:26.0.0-alpha1'
    compile 'com.squareup.okhttp3:okhttp:3.9.0'
    compile 'com.squareup.okhttp3:logging-interceptor:3.9.0'
    compile 'com.solidfire.code.gson:gson:2.6.2'
    compile 'org.greenrobot:eventbus:3.1.1'
    testCompile 'junit:junit:4.12'

avtivity_main 

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    >

    <TextView
        android:layout_width="match_parent"
        android:layout_height="40dp"
        android:background="#990000ff"
        android:gravity="center"
        android:text="购物车"
        android:textColor="#ff3660"
        android:textSize="25sp" />

    <android.support.v7.widget.RecyclerView
        android:id="@+id/rv"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_weight="1"/>

    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="50dp"
        android:layout_alignParentBottom="true"
        android:background="@android:color/white"
        android:gravity="center_vertical">

        <CheckBox
            android:id="@+id/checkbox2"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_centerVertical="true"
            android:layout_marginLeft="10dp"
            android:focusable="false" />

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="50dp"
            android:layout_centerVertical="true"
            android:layout_marginLeft="10dp"
            android:layout_toRightOf="@+id/checkbox2"
            android:gravity="center_vertical"
            android:text="全选"
            android:textSize="20sp" />

        <LinearLayout
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentRight="true"
            android:orientation="horizontal">

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginLeft="10dp"
                android:text="合计 ：" />


            <TextView
                android:id="@+id/tv_price"
                android:layout_width="wrap_content"
                android:layout_height="50dp"
                android:layout_marginLeft="10dp"
                android:paddingRight="10dp"
                android:text="0"
                android:textColor="@android:color/holo_red_light" />


            <TextView
                android:id="@+id/tv_num"
                android:layout_width="wrap_content"
                android:layout_height="50dp"
                android:background="@android:color/holo_red_dark"
                android:gravity="center"
                android:padding="10dp"
                android:text="结算(0)"
                android:textColor="@android:color/white" />
        </LinearLayout>
    </RelativeLayout>
</LinearLayout>

activity_other 

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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"
    android:orientation="vertical"
    tools:context="com.bawei.goods.view.MainActivity">

    <TextView
        android:layout_width="match_parent"
        android:layout_height="40dp"
        android:background="#990000ff"
        android:gravity="center"
        android:text="购物车"
        android:textColor="#ff3660"
        android:textSize="25sp" />

    <ExpandableListView
        android:id="@+id/elv"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_weight="1" />

    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="50dp"
        android:layout_alignParentBottom="true"
        android:background="@android:color/white"
        android:gravity="center_vertical">

        <CheckBox
            android:id="@+id/checkbox2"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_centerVertical="true"
            android:layout_marginLeft="10dp"
            android:focusable="false" />

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="50dp"
            android:layout_centerVertical="true"
            android:layout_marginLeft="10dp"
            android:layout_toRightOf="@+id/checkbox2"
            android:gravity="center_vertical"
            android:text="全选"
            android:textSize="20sp" />

        <LinearLayout
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentRight="true"
            android:orientation="horizontal">

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginLeft="10dp"
                android:text="合计 ：" />


            <TextView
                android:id="@+id/tv_price"
                android:layout_width="wrap_content"
                android:layout_height="50dp"
                android:layout_marginLeft="10dp"
                android:paddingRight="10dp"
                android:text="0"
                android:textColor="@android:color/holo_red_light" />


            <TextView
                android:id="@+id/tv_num"
                android:layout_width="wrap_content"
                android:layout_height="50dp"
                android:background="@android:color/holo_red_dark"
                android:gravity="center"
                android:padding="10dp"
                android:text="结算(0)"
                android:textColor="@android:color/white" />
        </LinearLayout>
    </RelativeLayout>


</LinearLayout>
child
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:background="@android:color/darker_gray"
    android:gravity="center_vertical"
    android:orientation="horizontal">

    <CheckBox

        android:id="@+id/cb_child"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginBottom="30dp"
        android:layout_marginLeft="40dp"
        android:layout_marginTop="30dp"
        android:focusable="false" />

    <LinearLayout
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="vertical">

        <TextView
            android:id="@+id/tv_tel"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginLeft="20dp"
            android:text="iphone6" />

        <TextView
            android:id="@+id/tv_content"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginLeft="20dp"
            android:text="什么手机" />

        <TextView
            android:id="@+id/tv_time"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginLeft="20dp"
            android:text="2016-12-10" />
    </LinearLayout>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_weight="1"
        android:orientation="vertical">

        <TextView
            android:id="@+id/tv_pri"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"

            android:text="¥3000.00" />

        <com.bawei.goods.MyView
            android:id="@+id/mv"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content" />
    </LinearLayout>

    <TextView
        android:id="@+id/tv_del"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="删除" />
</LinearLayout>
item_child_market 

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@android:color/darker_gray"
    android:gravity="center_vertical"
    android:orientation="horizontal">

    <CheckBox

        android:id="@+id/cb_child"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginBottom="30dp"
        android:layout_marginLeft="40dp"
        android:layout_marginTop="30dp"
        android:focusable="false" />

    <LinearLayout
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="vertical">

        <TextView
            android:id="@+id/tv_tel"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginLeft="20dp"
            android:text="iphone6" />

        <TextView
            android:id="@+id/tv_content"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginLeft="20dp"
            android:text="什么手机" />

        <TextView
            android:id="@+id/tv_time"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginLeft="20dp"
            android:text="2016-12-10" />
    </LinearLayout>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_weight="1"
        android:orientation="vertical">

        <TextView
            android:id="@+id/tv_pri"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"

            android:text="¥3000.00" />

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:gravity="center_vertical">

            <ImageView
                android:id="@+id/iv_del"
                android:layout_width="20dp"
                android:layout_height="20dp"
                android:src="@drawable/shopcart_minus_grey" />

            <TextView
                android:id="@+id/tv_num"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginLeft="5dp"
                android:background="@drawable/shopcart_add_btn"
                android:paddingBottom="2dp"
                android:paddingLeft="20dp"
                android:paddingRight="20dp"
                android:paddingTop="2dp"
                android:text="1" />

            <ImageView
                android:id="@+id/iv_add"
                android:layout_width="20dp"
                android:layout_height="20dp"
                android:layout_marginLeft="5dp"
                android:src="@drawable/shopcart_add_red" />

        </LinearLayout>

    </LinearLayout>

    <TextView
        android:id="@+id/tv_del"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="删除" />
</LinearLayout>


item_parent_market 

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="100dp"
    android:gravity="center_vertical"
    android:orientation="horizontal">

    <CheckBox
        android:id="@+id/cb_parent"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginBottom="30dp"
        android:layout_marginLeft="20dp"
        android:layout_marginTop="30dp"
        android:focusable="false" />

    <TextView
        android:id="@+id/tv_sign"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginLeft="20dp"
        android:text="标记" />

    <TextView
        android:id="@+id/tv_number"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginLeft="20dp"
        android:text="12345678" />

</LinearLayout>

myview 

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:gravity="center_vertical"
    android:orientation="horizontal">


    <ImageView
        android:id="@+id/iv_del"
        android:layout_width="20dp"
        android:layout_height="20dp"
        android:src="@drawable/shopcart_minus_grey" />

    <TextView
        android:id="@+id/tv_num"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginLeft="5dp"
        android:background="@drawable/shopcart_add_btn"
        android:paddingBottom="2dp"
        android:paddingLeft="20dp"
        android:paddingRight="20dp"
        android:paddingTop="2dp"
        android:text="1" />

    <ImageView
        android:id="@+id/iv_add"
        android:layout_width="20dp"
        android:layout_height="20dp"
        android:layout_marginLeft="5dp"
        android:src="@drawable/shopcart_add_red" />

</LinearLayout>

Net层

Api
package com.bawei.goods.net;

/**
 * Created by peng on 2017/11/16.
 */

public interface Api {
    public static final String url = "http://result.eolinker.com/iYXEPGn4e9c6dafce6e5cdd23287d2bb136ee7e9194d3e9?uri=evaluation";
}

OnNetListener
package com.bawei.goods.net;

/**
 * Created by peng on 2017/11/16.
 */

public interface OnNetListener<T> {
    public void onSuccess(T t);

    public void onFailure(Exception e);
}

HttpUtils

package com.bawei.goods.net;

import okhttp3.Callback;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.logging.HttpLoggingInterceptor;

/**
 * Created by peng on 2017/11/16.
 */

public class HttpUtils {
    private static volatile HttpUtils httpUtils;
    private final OkHttpClient client;

    private HttpUtils() {
        HttpLoggingInterceptor logging = new HttpLoggingInterceptor();
        logging.setLevel(HttpLoggingInterceptor.Level.BODY);
        client = new OkHttpClient.Builder()
                .addInterceptor(logging)
                .build();
    }

    public static HttpUtils getHttpUtils() {
        if (httpUtils == null) {
            synchronized (HttpUtils.class) {
                if (httpUtils == null) {
                    httpUtils = new HttpUtils();
                }
            }
        }
        return httpUtils;
    }

    /**
     * GET请求
     *
     * @param url
     * @param callback
     */
    public void doGet(String url, Callback callback) {
        Request request = new Request.Builder().url(url).build();
        client.newCall(request).enqueue(callback);
    }
}

Presenter层

MainPresenter

package com.bawei.goods.presenter;

import com.bawei.goods.bean.GoosBean;
import com.bawei.goods.model.IMainModel;
import com.bawei.goods.model.MainModel;
import com.bawei.goods.net.OnNetListener;
import com.bawei.goods.view.IMainActivity;

import java.util.ArrayList;
import java.util.List;



/**
 * Created by peng on 2017/11/16.
 */

public class MainPresenter {

    private final IMainModel imainModel;
    private final IMainActivity iMainActivity;

    public MainPresenter(IMainActivity iMainActivity) {
        this.iMainActivity = iMainActivity;
        imainModel = new MainModel();
    }

    public void getGoods2() {
        imainModel.getGoods(new OnNetListener<GoosBean>() {
            @Override
            public void onSuccess(GoosBean goosBean) {
                List<GoosBean.DataBean.DatasBean> list = new ArrayList<GoosBean.DataBean.DatasBean>();
                List<GoosBean.DataBean> data = goosBean.getData();
                for (int i = 0; i < data.size(); i++) {
                    List<GoosBean.DataBean.DatasBean> datas = data.get(i).getDatas();
                    list.addAll(datas);
                }
                iMainActivity.showList(list);
            }

            @Override
            public void onFailure(Exception e) {

            }
        });
    }

    public void getGoods() {
        imainModel.getGoods(new OnNetListener<GoosBean>() {
            @Override
            public void onSuccess(GoosBean goosBean) {
                //List<GoosBean.DataBean> groupList, List<List<GoosBean.DataBean.DatasBean>> childList
                List<GoosBean.DataBean> dataBean = goosBean.getData();
                List<List<GoosBean.DataBean.DatasBean>> childList = new ArrayList<List<GoosBean.DataBean.DatasBean>>();
                for (int i = 0; i < dataBean.size(); i++) {
                    List<GoosBean.DataBean.DatasBean> datas = dataBean.get(i).getDatas();
                    childList.add(datas);
                }
                iMainActivity.showList(dataBean, childList);
            }

            @Override
            public void onFailure(Exception e) {

            }
        });

    }
}

Model层

IMainModel

package com.bawei.goods.model;

import com.bawei.goods.bean.GoosBean;
import com.bawei.goods.net.OnNetListener;


/**
 * Created by peng on 2017/11/16.
 */

public interface IMainModel {
    public void getGoods(OnNetListener<GoosBean> onNetListener);
}

MainModel 

package com.bawei.goods.model;

import android.os.Handler;
import android.os.Looper;

import com.bawei.goods.bean.GoosBean;
import com.bawei.goods.net.Api;
import com.bawei.goods.net.HttpUtils;
import com.bawei.goods.net.OnNetListener;
import com.solidfire.gson.Gson;


import java.io.IOException;


import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.Response;

/**
 * Created by peng on 2017/11/16.
 */

public class MainModel implements IMainModel {
    private Handler handler = new Handler(Looper.getMainLooper());


    public void getGoods(final OnNetListener<GoosBean> onNetListener) {
        HttpUtils.getHttpUtils().doGet(Api.url, new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {

            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {
                String string = response.body().string();
                final GoosBean goosBean = new Gson().fromJson(string, GoosBean.class);
                handler.post(new Runnable() {
                    @Override
                    public void run() {
                        onNetListener.onSuccess(goosBean);
                    }
                });
            }
        });
    }
}

View层

IMainActivity

package com.bawei.goods.view;

import com.bawei.goods.bean.GoosBean;

import java.util.List;


/**
 * Created by peng on 2017/11/16.
 */

public interface IMainActivity {
    public void showList(List<GoosBean.DataBean> groupList, List<List<GoosBean.DataBean.DatasBean>> childList);
    public void showList(List<GoosBean.DataBean.DatasBean> list);
}

MainActivity 

package com.bawei.goods.view;


import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.CheckBox;
import android.widget.ExpandableListView;
import android.widget.TextView;

import com.bawei.goods.R;
import com.bawei.goods.adapter.MyAdapter;
import com.bawei.goods.bean.GoosBean;
import com.bawei.goods.eventbusevent.MessageEvent;
import com.bawei.goods.eventbusevent.PriceAndCountEvent;
import com.bawei.goods.presenter.MainPresenter;

import org.greenrobot.eventbus.EventBus;
import org.greenrobot.eventbus.Subscribe;

import java.util.List;



public class MainActivity extends AppCompatActivity implements IMainActivity {

    private ExpandableListView mElv;
    private CheckBox mCheckbox2;
    /**
     * 0
     */
    private TextView mTvPrice;
    /**
     * 结算(0)
     */
    private TextView mTvNum;
    private MyAdapter adapter;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_other);
        EventBus.getDefault().register(this);
        initView();
        new MainPresenter(this).getGoods();
        mCheckbox2.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                adapter.changeAllListCbState(mCheckbox2.isChecked());
            }
        });
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        EventBus.getDefault().unregister(this);

    }

    private void initView() {
        mElv = (ExpandableListView) findViewById(R.id.elv);
        mCheckbox2 = (CheckBox) findViewById(R.id.checkbox2);
        mTvPrice = (TextView) findViewById(R.id.tv_price);
        mTvNum = (TextView) findViewById(R.id.tv_num);
    }

    @Override
    public void showList(List<GoosBean.DataBean> groupList, List<List<GoosBean.DataBean.DatasBean>> childList) {
        adapter = new MyAdapter(this, groupList, childList);
        mElv.setAdapter(adapter);
        mElv.setGroupIndicator(null);
        //默认让其全部展开
        for (int i = 0; i < groupList.size(); i++) {
            mElv.expandGroup(i);
        }
    }

    @Override
    public void showList(List<GoosBean.DataBean.DatasBean> list) {

    }

    @Subscribe
    public void onMessageEvent(MessageEvent event) {
        mCheckbox2.setChecked(event.isChecked());
    }

    @Subscribe
    public void onMessageEvent(PriceAndCountEvent event) {
        mTvNum.setText("结算(" + event.getCount() + ")");
        mTvPrice.setText(event.getPrice() + "");
    }
}
OtherActivity 

package com.bawei.goods.view;

/**
 * Created by Administrator on 2017/11/23 0023.
 */
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.View;
import android.widget.CheckBox;
import android.widget.TextView;

import com.bawei.goods.R;
import com.bawei.goods.adapter.RvAdapter;
import com.bawei.goods.bean.GoosBean;
import com.bawei.goods.eventbusevent.MessageEvent;
import com.bawei.goods.eventbusevent.PriceAndCountEvent;
import com.bawei.goods.presenter.MainPresenter;

import org.greenrobot.eventbus.EventBus;
import org.greenrobot.eventbus.Subscribe;

import java.util.List;


public class OtherActivity extends AppCompatActivity implements IMainActivity {

    private RecyclerView mRv;
    private CheckBox mCheckbox2;
    /**
     * 0
     */
    private TextView mTvPrice;
    /**
     * 结算(0)
     */
    private TextView mTvNum;
    private MainPresenter mainPresenter;
    private RvAdapter myAdapter;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        EventBus.getDefault().register(this);
        mainPresenter = new MainPresenter(this);
        initView();
        mRv.setLayoutManager(new LinearLayoutManager(this));
        //先请求接口数据
        mainPresenter.getGoods2();
        mCheckbox2.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                myAdapter.allSelect(mCheckbox2.isChecked());
            }
        });
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        EventBus.getDefault().unregister(this);
    }

    @Subscribe
    public void onMessageEvent(MessageEvent event) {
        mCheckbox2.setChecked(event.isChecked());
    }

    @Subscribe
    public void onMessageEvent(PriceAndCountEvent event) {
        mTvNum.setText("结算(" + event.getCount() + ")");
        mTvPrice.setText(event.getPrice() + "");
    }

    private void initView() {
        mRv = (RecyclerView) findViewById(R.id.rv);
        mCheckbox2 = (CheckBox) findViewById(R.id.checkbox2);
        mTvPrice = (TextView) findViewById(R.id.tv_price);
        mTvNum = (TextView) findViewById(R.id.tv_num);
    }

    //是给MainActivity用的方法，此处不必管它
    @Override
    public void showList(List<GoosBean.DataBean> groupList, List<List<GoosBean.DataBean.DatasBean>> childList) {

    }

    @Override
    public void showList(List<GoosBean.DataBean.DatasBean> list) {
        myAdapter = new RvAdapter(this, list);
        mRv.setAdapter(myAdapter);

    }
}

adapter适配器

MyAdapter

package com.bawei.goods.adapter;

/**
 * Created by Administrator on 2017/11/23 0023.
 */


import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseExpandableListAdapter;
import android.widget.CheckBox;
import android.widget.ImageView;
import android.widget.TextView;

import com.bawei.goods.R;
import com.bawei.goods.bean.GoosBean;
import com.bawei.goods.eventbusevent.MessageEvent;
import com.bawei.goods.eventbusevent.PriceAndCountEvent;

import org.greenrobot.eventbus.EventBus;

import java.util.List;

/**
 * Created by peng on 2017/11/16.
 */

public class MyAdapter extends BaseExpandableListAdapter {
    private Context context;
    private List<GoosBean.DataBean> groupList;
    private List<List<GoosBean.DataBean.DatasBean>> childList;
    private final LayoutInflater inflater;

    public MyAdapter(Context context, List<GoosBean.DataBean> groupList, List<List<GoosBean.DataBean.DatasBean>> childList) {
        this.context = context;
        this.groupList = groupList;
        this.childList = childList;
        inflater = LayoutInflater.from(context);
    }

    @Override
    public int getGroupCount() {
        return groupList.size();
    }

    @Override
    public int getChildrenCount(int groupPosition) {
        return childList.get(groupPosition).size();
    }

    @Override
    public Object getGroup(int groupPosition) {
        return groupList.get(groupPosition);
    }

    @Override
    public Object getChild(int groupPosition, int childPosition) {
        return childList.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 false;
    }

    @Override
    public View getGroupView(final int groupPosition, boolean isExpanded, View convertView, ViewGroup parent) {
        View view;
        final GroupViewHolder holder;
        if (convertView == null) {
            holder = new GroupViewHolder();
            view = inflater.inflate(R.layout.item_parent_market, null);
            holder.cbGroup = view.findViewById(R.id.cb_parent);
            holder.tv_number = view.findViewById(R.id.tv_number);
            view.setTag(holder);
        } else {
            view = convertView;
            holder = (GroupViewHolder) view.getTag();
        }
        final GoosBean.DataBean dataBean = groupList.get(groupPosition);
        holder.cbGroup.setChecked(dataBean.isChecked());
        holder.tv_number.setText(dataBean.getTitle());
        //一级checkbox
        holder.cbGroup.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                dataBean.setChecked(holder.cbGroup.isChecked());
                changeChildCbState(groupPosition, holder.cbGroup.isChecked());
                EventBus.getDefault().post(compute());
                changeAllCbState(isAllGroupCbSelected());
                notifyDataSetChanged();
            }
        });

        return view;
    }

    @Override
    public View getChildView(final int groupPosition, final int childPosition, boolean isLastChild, View convertView, ViewGroup parent) {
        View view;
        final ChildViewHolder holder;
        if (convertView == null) {
            holder = new ChildViewHolder();
            view = inflater.inflate(R.layout.item_child_market, null);
            holder.cbChild = view.findViewById(R.id.cb_child);
            holder.tv_tel = view.findViewById(R.id.tv_tel);
            holder.tv_content = view.findViewById(R.id.tv_content);
            holder.tv_time = view.findViewById(R.id.tv_time);
            holder.tv_price = view.findViewById(R.id.tv_pri);
            holder.tv_del = view.findViewById(R.id.tv_del);
            holder.iv_add = view.findViewById(R.id.iv_add);
            holder.iv_del = view.findViewById(R.id.iv_del);
            holder.tv_num = view.findViewById(R.id.tv_num);
            view.setTag(holder);
        } else {
            view = convertView;
            holder = (ChildViewHolder) view.getTag();
        }
        final GoosBean.DataBean.DatasBean datasBean = childList.get(groupPosition).get(childPosition);
        holder.cbChild.setChecked(datasBean.isChecked());
        holder.tv_tel.setText(datasBean.getType_name());
        holder.tv_content.setText(datasBean.getMsg());
        holder.tv_time.setText(datasBean.getAdd_time());
        holder.tv_price.setText(datasBean.getPrice() + "");
        holder.tv_num.setText(datasBean.getNum() + "");

        //二级checkbox
        holder.cbChild.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                //设置该条目对象里的checked属性值
                datasBean.setChecked(holder.cbChild.isChecked());
                PriceAndCountEvent priceAndCountEvent = compute();
                EventBus.getDefault().post(priceAndCountEvent);

                if (holder.cbChild.isChecked()) {
                    //当前checkbox是选中状态
                    if (isAllChildCbSelected(groupPosition)) {
                        changGroupCbState(groupPosition, true);
                        changeAllCbState(isAllGroupCbSelected());
                    }
                } else {
                    changGroupCbState(groupPosition, false);
                    changeAllCbState(isAllGroupCbSelected());
                }
                notifyDataSetChanged();
            }
        });
        //加号
        holder.iv_add.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                int num = datasBean.getNum();
                holder.tv_num.setText(++num + "");
                datasBean.setNum(num);
                if (holder.cbChild.isChecked()) {
                    PriceAndCountEvent priceAndCountEvent = compute();
                    EventBus.getDefault().post(priceAndCountEvent);
                }
            }
        });
        //减号
        holder.iv_del.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                int num = datasBean.getNum();
                if (num == 1) {
                    return;
                }
                holder.tv_num.setText(--num + "");
                datasBean.setNum(num);
                if (holder.cbChild.isChecked()) {
                    PriceAndCountEvent priceAndCountEvent = compute();
                    EventBus.getDefault().post(priceAndCountEvent);
                }
            }
        });
        //删除
        holder.tv_del.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                List<GoosBean.DataBean.DatasBean> datasBeen = childList.get(groupPosition);
                GoosBean.DataBean.DatasBean remove = datasBeen.remove(childPosition);
                if (datasBeen.size() == 0) {
                    childList.remove(groupPosition);
                    groupList.remove(groupPosition);
                }
                EventBus.getDefault().post(compute());
                notifyDataSetChanged();
            }
        });
        return view;
    }

    @Override
    public boolean isChildSelectable(int groupPosition, int childPosition) {
        return true;
    }

    class GroupViewHolder {
        CheckBox cbGroup;
        TextView tv_number;
    }

    class ChildViewHolder {
        CheckBox cbChild;
        TextView tv_tel;
        TextView tv_content;
        TextView tv_time;
        TextView tv_price;
        TextView tv_del;
        ImageView iv_del;
        ImageView iv_add;
        TextView tv_num;
    }

    /**
     * 改变全选的状态
     *
     * @param flag
     */
    private void changeAllCbState(boolean flag) {
        MessageEvent messageEvent = new MessageEvent();
        messageEvent.setChecked(flag);
        EventBus.getDefault().post(messageEvent);
    }

    /**
     * 改变一级列表checkbox状态
     *
     * @param groupPosition
     */
    private void changGroupCbState(int groupPosition, boolean flag) {
        GoosBean.DataBean dataBean = groupList.get(groupPosition);
        dataBean.setChecked(flag);
    }

    /**
     * 改变二级列表checkbox状态
     *
     * @param groupPosition
     * @param flag
     */
    private void changeChildCbState(int groupPosition, boolean flag) {
        List<GoosBean.DataBean.DatasBean> datasBeen = childList.get(groupPosition);
        for (int i = 0; i < datasBeen.size(); i++) {
            GoosBean.DataBean.DatasBean datasBean = datasBeen.get(i);
            datasBean.setChecked(flag);
        }
    }

    /**
     * 判断一级列表是否全部选中
     *
     * @return
     */
    private boolean isAllGroupCbSelected() {
        for (int i = 0; i < groupList.size(); i++) {
            GoosBean.DataBean dataBean = groupList.get(i);
            if (!dataBean.isChecked()) {
                return false;
            }
        }
        return true;
    }

    /**
     * 判断二级列表是否全部选中
     *
     * @param groupPosition
     * @return
     */
    private boolean isAllChildCbSelected(int groupPosition) {
        List<GoosBean.DataBean.DatasBean> datasBeen = childList.get(groupPosition);
        for (int i = 0; i < datasBeen.size(); i++) {
            GoosBean.DataBean.DatasBean datasBean = datasBeen.get(i);
            if (!datasBean.isChecked()) {
                return false;
            }
        }
        return true;
    }

    /**
     * 计算列表中，选中的钱和数量
     */
    private PriceAndCountEvent compute() {
        int count = 0;
        int price = 0;
        for (int i = 0; i < childList.size(); i++) {
            List<GoosBean.DataBean.DatasBean> datasBeen = childList.get(i);
            for (int j = 0; j < datasBeen.size(); j++) {
                GoosBean.DataBean.DatasBean datasBean = datasBeen.get(j);
                if (datasBean.isChecked()) {
                    price += datasBean.getNum() * datasBean.getPrice();
                    count += datasBean.getNum();
                }
            }
        }
        PriceAndCountEvent priceAndCountEvent = new PriceAndCountEvent();
        priceAndCountEvent.setCount(count);
        priceAndCountEvent.setPrice(price);
        return priceAndCountEvent;
    }

    /**
     * 设置全选、反选
     *
     * @param flag
     */
    public void changeAllListCbState(boolean flag) {
        for (int i = 0; i < groupList.size(); i++) {
            changGroupCbState(i, flag);
            changeChildCbState(i, flag);
        }
        EventBus.getDefault().post(compute());
        notifyDataSetChanged();
    }

}

RvAdapter 

package com.bawei.goods.adapter;

/**
 * Created by Administrator on 2017/11/23 0023.
 */

import android.content.Context;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.CheckBox;
import android.widget.TextView;

import com.bawei.goods.MyView;
import com.bawei.goods.R;
import com.bawei.goods.bean.GoosBean;
import com.bawei.goods.eventbusevent.MessageEvent;
import com.bawei.goods.eventbusevent.PriceAndCountEvent;

import org.greenrobot.eventbus.EventBus;

import java.util.List;



/**
 * Created by peng on 2017/11/21.
 */

public class RvAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
    private Context context;
    private List<GoosBean.DataBean.DatasBean> list;

    public RvAdapter(Context context, List<GoosBean.DataBean.DatasBean> list) {
        this.context = context;
        this.list = list;
    }

    @Override
    public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        View view = LayoutInflater.from(context).inflate(R.layout.child, parent, false);
        return new MyViewHolder(view);
    }

    @Override
    public void onBindViewHolder(RecyclerView.ViewHolder holder, final int position) {
        final GoosBean.DataBean.DatasBean datasBean = list.get(position);
        final MyViewHolder myViewHolder = (MyViewHolder) holder;
        myViewHolder.cbChild.setChecked(datasBean.isChecked());
        myViewHolder.tv_tel.setText(datasBean.getType_name());
        myViewHolder.tv_content.setText(datasBean.getMsg());
        myViewHolder.tv_time.setText(datasBean.getAdd_time());
        myViewHolder.tv_price.setText(datasBean.getPrice() + "");
        myViewHolder.myView.setNum(datasBean.getNum() + "");
        //checkbox点击事件
        myViewHolder.cbChild.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                datasBean.setChecked(myViewHolder.cbChild.isChecked());
                PriceAndCountEvent compute = compute();
                EventBus.getDefault().post(compute);
                if (myViewHolder.cbChild.isChecked()) {
                    if (isAllCbSelected()) {
                        //改变"全选"状态
                        changeAllCbState(true);
                    }
                } else {
                    changeAllCbState(false);
                }
                notifyDataSetChanged();

            }
        });

        myViewHolder.myView.setAddClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                int num = myViewHolder.myView.getNum();
                num++;
                datasBean.setNum(num);
                if (myViewHolder.cbChild.isChecked()) {
                    EventBus.getDefault().post(compute());
                }
                notifyDataSetChanged();
            }
        });
        myViewHolder.myView.setDelClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                int num = myViewHolder.myView.getNum();
                if (num == 1) {
                    return;
                }
                num--;
                datasBean.setNum(num);
                if (myViewHolder.cbChild.isChecked()) {
                    EventBus.getDefault().post(compute());
                }
                notifyDataSetChanged();
            }
        });

        myViewHolder.tv_del.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                list.remove(position);
                EventBus.getDefault().post(compute());
                notifyDataSetChanged();
            }
        });

    }

    /**
     * 改变全选的状态
     *
     * @param flag
     */
    private void changeAllCbState(boolean flag) {
        MessageEvent messageEvent = new MessageEvent();
        messageEvent.setChecked(flag);
        EventBus.getDefault().post(messageEvent);
    }

    private boolean isAllCbSelected() {
        for (int i = 0; i < list.size(); i++) {
            GoosBean.DataBean.DatasBean datasBean = list.get(i);
            if (!datasBean.isChecked()) {
                return false;
            }
        }
        return true;
    }

    @Override
    public int getItemCount() {
        return list.size();
    }

    class MyViewHolder extends RecyclerView.ViewHolder {

        private final CheckBox cbChild;
        private final TextView tv_tel;
        private final TextView tv_content;
        private final TextView tv_time;
        private final TextView tv_price;
        private MyView myView;
        private final TextView tv_del;

        public MyViewHolder(View itemView) {
            super(itemView);
            cbChild = itemView.findViewById(R.id.cb_child);
            tv_tel = itemView.findViewById(R.id.tv_tel);
            tv_content = itemView.findViewById(R.id.tv_content);
            tv_time = itemView.findViewById(R.id.tv_time);
            tv_price = itemView.findViewById(R.id.tv_pri);
            tv_del = itemView.findViewById(R.id.tv_del);
            myView = itemView.findViewById(R.id.mv);
        }
    }

    private PriceAndCountEvent compute() {
        int price = 0;
        int count = 0;
        for (int i = 0; i < list.size(); i++) {
            GoosBean.DataBean.DatasBean datasBean = list.get(i);
            if (datasBean.isChecked()) {
                price += datasBean.getPrice() * datasBean.getNum();
                count += datasBean.getNum();
            }
        }
        PriceAndCountEvent priceAndCountEvent = new PriceAndCountEvent();
        priceAndCountEvent.setPrice(price);
        priceAndCountEvent.setCount(count);
        return priceAndCountEvent;
    }

    public void allSelect(boolean flag) {
        for (int i = 0; i < list.size(); i++) {
            GoosBean.DataBean.DatasBean datasBean = list.get(i);
            datasBean.setChecked(flag);
        }
        EventBus.getDefault().post(compute());
        notifyDataSetChanged();
    }
}

eventbusevent层

 MessageEvent
public class MessageEvent {
    private boolean checked;

    public boolean isChecked() {
        return checked;
    }

    public void setChecked(boolean checked) {
        this.checked = checked;
    }
}


PriceAndCountEvent
package com.bawei.goods.eventbusevent;

/**
 * Created by Administrator on 2017/11/23 0023.
 */

public class PriceAndCountEvent {
    private int price;
    private int count;

    public int getPrice() {
        return price;
    }

    public void setPrice(int price) {
        this.price = price;
    }

    public int getCount() {
        return count;
    }

    public void setCount(int count) {
        this.count = count;
    }
}

bean
GoosBean
package com.bawei.goods.bean;

import java.util.List;

/**
 * Created by peng on 2017/11/16.
 */

public class GoosBean {

    /**
     * code : 200
     * data : [{"datas":[{"add_time":"2016-12-10 14:54:58","cart_id":"445162","house_id":"1","msg":"购买渠道:大陆国行","price":500,"type_name":"苹果 iPhone 6（白金色）","type_sn_id":"ggh"},{"add_time":"2016-12-10 14:55:18","cart_id":"445163","house_id":"1","msg":"购买渠道:水货无锁","price":1000,"type_name":"苹果 iPhone 7 （亮黑色）","type_sn_id":"tgg"}],"title":"苹果","title_id":"59280"},{"datas":[{"add_time":"2016-12-10 14:54:58","cart_id":"445162","house_id":"1","msg":"边框背板:全新未使用","price":50,"type_name":"小米4s (白金色)","type_sn_id":"ggh"},{"add_time":"2016-12-10 14:55:18","cart_id":"445163","house_id":"1","msg":"屏幕性能:色差/亮点/轻微发黄","price":100,"type_name":"小米5s （亮黑色）","type_sn_id":"tgg"}],"title":"小米","title_id":"59279"},{"datas":[{"add_time":"2016-12-10 14:54:58","cart_id":"445162","house_id":"1","msg":"边框背板:全新未使用","price":50,"type_name":"三星 (白金色)","type_sn_id":"ggh"},{"add_time":"2016-12-10 14:55:18","cart_id":"445163","house_id":"1","msg":"屏幕性能:色差/亮点/轻微发黄","price":100,"type_name":"三星 （亮黑色）","type_sn_id":"tgg"}],"title":"三星","title_id":"59279"},{"datas":[{"add_time":"2016-12-10 14:54:58","cart_id":"445162","house_id":"1","msg":"边框背板:全新未使用","price":50,"type_name":"华为 (白金色)","type_sn_id":"ggh"},{"add_time":"2016-12-10 14:55:18","cart_id":"445163","house_id":"1","msg":"屏幕性能:色差/亮点/轻微发黄","price":100,"type_name":"华为 （亮黑色）","type_sn_id":"tgg"},{"add_time":"2016-12-10 4:55:28","cart_id":"445164","house_id":"1","msg":"屏幕性能:色差/亮点/轻微发黄","price":150,"type_name":"华为 （纯黑色）","type_sn_id":"hgg"}],"title":"华为","title_id":"59279"}]
     * flag : Success
     * msg : 描述
     */

    private String code;
    private String flag;
    private String msg;
    private List<DataBean> data;

    public String getCode() {
        return code;
    }

    public void setCode(String code) {
        this.code = code;
    }

    public String getFlag() {
        return flag;
    }

    public void setFlag(String flag) {
        this.flag = flag;
    }

    public String getMsg() {
        return msg;
    }

    public void setMsg(String msg) {
        this.msg = msg;
    }

    public List<DataBean> getData() {
        return data;
    }

    public void setData(List<DataBean> data) {
        this.data = data;
    }

    public static class DataBean {
        /**
         * datas : [{"add_time":"2016-12-10 14:54:58","cart_id":"445162","house_id":"1","msg":"购买渠道:大陆国行","price":500,"type_name":"苹果 iPhone 6（白金色）","type_sn_id":"ggh"},{"add_time":"2016-12-10 14:55:18","cart_id":"445163","house_id":"1","msg":"购买渠道:水货无锁","price":1000,"type_name":"苹果 iPhone 7 （亮黑色）","type_sn_id":"tgg"}]
         * title : 苹果
         * title_id : 59280
         */
        private boolean checked;
        private String title;
        private String title_id;
        private List<DatasBean> datas;

        public boolean isChecked() {
            return checked;
        }

        public void setChecked(boolean checked) {
            this.checked = checked;
        }

        public String getTitle() {
            return title;
        }

        public void setTitle(String title) {
            this.title = title;
        }

        public String getTitle_id() {
            return title_id;
        }

        public void setTitle_id(String title_id) {
            this.title_id = title_id;
        }

        public List<DatasBean> getDatas() {
            return datas;
        }

        public void setDatas(List<DatasBean> datas) {
            this.datas = datas;
        }

        public static class DatasBean {
            /**
             * add_time : 2016-12-10 14:54:58
             * cart_id : 445162
             * house_id : 1
             * msg : 购买渠道:大陆国行
             * price : 500
             * type_name : 苹果 iPhone 6（白金色）
             * type_sn_id : ggh
             */
            private boolean checked;
            private int num = 1;
            private String add_time;
            private String cart_id;
            private String house_id;
            private String msg;
            private int price;
            private String type_name;
            private String type_sn_id;

            public int getNum() {
                return num;
            }

            public void setNum(int num) {
                this.num = num;
            }

            public boolean isChecked() {
                return checked;
            }

            public void setChecked(boolean checked) {
                this.checked = checked;
            }

            public String getAdd_time() {
                return add_time;
            }

            public void setAdd_time(String add_time) {
                this.add_time = add_time;
            }

            public String getCart_id() {
                return cart_id;
            }

            public void setCart_id(String cart_id) {
                this.cart_id = cart_id;
            }

            public String getHouse_id() {
                return house_id;
            }

            public void setHouse_id(String house_id) {
                this.house_id = house_id;
            }

            public String getMsg() {
                return msg;
            }

            public void setMsg(String msg) {
                this.msg = msg;
            }

            public int getPrice() {
                return price;
            }

            public void setPrice(int price) {
                this.price = price;
            }

            public String getType_name() {
                return type_name;
            }

            public void setType_name(String type_name) {
                this.type_name = type_name;
            }

            public String getType_sn_id() {
                return type_sn_id;
            }

            public void setType_sn_id(String type_sn_id) {
                this.type_sn_id = type_sn_id;
            }
        }
    }
}


MyView 

package com.bawei.goods;

import android.content.Context;
import android.support.annotation.Nullable;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;

/**
 * Created by peng on 2017/11/21.
 */

public class MyView extends LinearLayout {

    private ImageView iv_add;
    private ImageView iv_del;
    private TextView tv_num;

    public MyView(Context context) {
        this(context, null);
    }

    public MyView(Context context, @Nullable AttributeSet attrs) {
        super(context, attrs);
        View view = LayoutInflater.from(context).inflate(R.layout.myview, this);
        iv_add = findViewById(R.id.iv_add);
        iv_del = findViewById(R.id.iv_del);
        tv_num = findViewById(R.id.tv_num);
    }

    public void setAddClickListener(OnClickListener onClickListener) {
        iv_add.setOnClickListener(onClickListener);
    }

    public void setDelClickListener(OnClickListener onClickListener) {
        iv_del.setOnClickListener(onClickListener);
    }

    public void setNum(String num) {
        tv_num.setText(num);
    }

    public int getNum() {
        String num = tv_num.getText().toString();
        return Integer.parseInt(num);
    }
}

权限

 <uses-permission android:name="android.permission.INTERNET" />

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