Android 列表分类

其他 2018-11-28 22:56:02 阅读次数: 0

在这里插入图片描述

1.主页面布局

<?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"
    tools:context=".fragment.LeftFragment"
    android:orientation="horizontal">

    <android.support.v7.widget.RecyclerView
        android:id="@+id/mRecyclerView"
        android:layout_width="0dp"
        android:layout_weight="3"
        android:layout_height="match_parent">
    </android.support.v7.widget.RecyclerView>
    <ScrollView
        android:id="@+id/mScrollView"
        android:layout_width="0dp"
        android:layout_weight="7"
        android:layout_height="match_parent">
        <LinearLayout
            android:id="@+id/mLinearLayout"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:orientation="vertical"
            android:paddingLeft="15dp"></LinearLayout>
    </ScrollView>


</LinearLayout>

2.左边页面的布局

<?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">

    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/title"
        android:text="666666"
        android:textSize="20sp"
        android:padding="15dp"/>

</LinearLayout>

3.右边页面的布局

<?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:orientation="vertical">
    <ImageView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/image"
        android:src="@drawable/ic_launcher_background"
        android:layout_gravity="center_horizontal"/>

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/name"
        android:text="6666"
        android:textColor="#000"
        android:layout_marginTop="5dp"
        android:layout_gravity="center_horizontal"/>
</LinearLayout>

4.UtilsModel工具类M层(get.post两种)

package com.bawie.www.month1.model;


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

import java.io.IOException;
import java.util.Map;
import java.util.concurrent.TimeUnit;

import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.FormBody;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;

/**
 * date:2018/11/22
 * author:别来无恙(别来无恙)
 * function:
 */
public class UtilsModel {

    private final Handler mHandler;
    public static UtilsModel sUtilsModel;
    private final OkHttpClient mMOkHttpClient;

    private UtilsModel(){
        mHandler = new Handler(Looper.getMainLooper());
        InterceptorModel interceptorModel = new InterceptorModel();
        mMOkHttpClient = new OkHttpClient.Builder()
                .addInterceptor(interceptorModel)
                .readTimeout(3000, TimeUnit.MILLISECONDS)
                .writeTimeout(3000, TimeUnit.MILLISECONDS)
                .readTimeout(3000, TimeUnit.MILLISECONDS)
                .build();
    }
    public static UtilsModel getInstance(){
        if (sUtilsModel == null){
            synchronized (UtilsModel.class){
                if (sUtilsModel == null){
                    return sUtilsModel = new UtilsModel();
                }
            }
        }
        return sUtilsModel;
    }

    public interface ModelInterface{
        void success(String data);
        void failed();
    }

    public void doGet(String url, final ModelInterface modelInterface){
        Request request = new Request.Builder()
                .get()
                .url(url)
                .build();
        Call call = mMOkHttpClient.newCall(request);
        call.enqueue(new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {
                mHandler.post(new Runnable() {
                    @Override
                    public void run() {
                        modelInterface.failed();
                    }
                });
            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {
                final String data = response.body().string();
                mHandler.post(new Runnable() {
                    @Override
                    public void run() {
                        modelInterface.success(data);
                    }
                });
            }
        });
    }

    public void doPost(String url, Map<String,String> map,final ModelInterface modelInterface){
        FormBody.Builder builder = new FormBody.Builder();
        for (String key:map.keySet()){
            builder.add(key,map.get(key));
        }
        FormBody formBody = builder.build();
        Request request = new Request.Builder()
                .post(formBody)
                .url(url)
                .build();
        Call call = mMOkHttpClient.newCall(request);
        call.enqueue(new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {
                modelInterface.failed();
            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {
                final String data = response.body().string();
                mHandler.post(new Runnable() {
                    @Override
                    public void run() {
                        modelInterface.success(data);
                    }
                });
            }
        });
    }

}

5.左边presenter(get)

package com.bawie.www.month1.presenter;

import com.bawie.www.month1.HttpView;
import com.bawie.www.month1.bean.LeftBean;
import com.bawie.www.month1.model.UtilsModel;
import com.google.gson.Gson;

import java.util.List;

/**
 * date:2018/11/22
 * author:别来无恙(别来无恙)
 * function:
 */
public class RecyPresenter {

    public void mkkPresenter(String url, final PresenterInterface presenterInterface){
        UtilsModel instance = UtilsModel.getInstance();
        instance.doGet(url, new UtilsModel.ModelInterface() {
            @Override
            public void success(String data) {
                LeftBean leftBean = new Gson().fromJson(data, LeftBean.class);
                List<LeftBean.DataBean> data1 = leftBean.getData();
                presenterInterface.success(data1);
            }

            @Override
            public void failed() {
                presenterInterface.failed();
            }
        });
    }
    public interface PresenterInterface{
        void success(List<LeftBean.DataBean> data1);
        void failed();
    }
}

6.右边presenter(post)

package com.bawie.www.month1.presenter;

import com.bawie.www.month1.bean.RightBean;
import com.bawie.www.month1.model.UtilsModel;
import com.google.gson.Gson;

import java.util.List;
import java.util.Map;

/**
 * date:2018/11/22
 * author:别来无恙(别来无恙)
 * function:
 */
public class RightPresenter {
    public void RightPresenter(String url, Map<String,String> map, final RightInterface rightInterface){
        UtilsModel instance = UtilsModel.getInstance();
        instance.doPost(url, map, new UtilsModel.ModelInterface() {
            @Override
            public void success(String data) {
                RightBean rightBean = new Gson().fromJson(data, RightBean.class);
                List<RightBean.DataBean> data1 = rightBean.getData();
                rightInterface.success(data1);
            }

            @Override
            public void failed() {
                rightInterface.failed();
            }
        });
    }
    public interface RightInterface{
        void success(List<RightBean.DataBean> data1);
        void failed();
    }
}

7.左边adapter

package com.bawie.www.month1.adapter;

import android.content.Context;
import android.support.annotation.NonNull;
import android.support.v7.widget.RecyclerView;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

import com.bawie.www.month1.R;
import com.bawie.www.month1.bean.LeftBean;

import java.util.List;

/**
 * date:2018/11/22
 * author:别来无恙(别来无恙)
 * function:
 */
public class RecyAdapter extends RecyclerView.Adapter<RecyAdapter.ViewHoldere> {



    private List<LeftBean.DataBean> left;
    private Context mContext;

    public RecyAdapter(List<LeftBean.DataBean> left, Context context) {
        this.left = left;
        mContext = context;
    }

    @NonNull
    @Override
    public ViewHoldere onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) {
        View view = View.inflate(mContext, R.layout.item_left,null);
        ViewHoldere viewHoldere = new ViewHoldere(view);
        return viewHoldere;
    }

    @Override
    public void onBindViewHolder(@NonNull ViewHoldere viewHoldere, final int i) {
        viewHoldere.mTitle.setText(left.get(i).getName());
        viewHoldere.mTitle.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                mRecyAdapterInterface.success(left.get(i).getCid() + "");
            }
        });
    }

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

    public class ViewHoldere extends RecyclerView.ViewHolder {

        private final TextView mTitle;

        public ViewHoldere(@NonNull View itemView) {
            super(itemView);
            mTitle = itemView.findViewById(R.id.title);
        }
    }


    //点击条目的接口回调
    public interface RecyAdapterInterface{
        void success(String s);
    }
    private RecyAdapterInterface mRecyAdapterInterface;
    public void setRecyAdapterInterface(RecyAdapterInterface recyAdapterInterface){
        mRecyAdapterInterface = recyAdapterInterface;
    }
}

8.右边的adapter

package com.bawie.www.month1.adapter;

import android.content.Context;
import android.support.annotation.NonNull;
import android.support.v7.widget.RecyclerView;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;

import com.bawie.www.month1.R;
import com.bawie.www.month1.bean.RightBean;
import com.squareup.picasso.Picasso;

import java.util.List;

/**
 * date:2018/11/22
 * author:别来无恙(别来无恙)
 * function:
 */
public class RightAdapter extends RecyclerView.Adapter<RightAdapter.ViewHolder> {

    private Context mContext;
    private List<RightBean.DataBean> right;

    public RightAdapter(Context context, List<RightBean.DataBean> right) {
        mContext = context;
        this.right = right;
    }

    @NonNull
    @Override
    public ViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) {
        View view = View.inflate(mContext, R.layout.item_right,null);
        ViewHolder viewHolder = new ViewHolder(view);
        return viewHolder;
    }

    @Override
    public void onBindViewHolder(@NonNull ViewHolder viewHolder, int i) {
        RightBean.DataBean dataBean = right.get(i);
        Picasso.with(mContext).load(dataBean.getList().get(i).getIcon()).into(viewHolder.mImage);
        viewHolder.mName.setText(dataBean.getList().get(i).getName());
    }

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

    public class ViewHolder extends RecyclerView.ViewHolder {

        private final ImageView mImage;
        private final TextView mName;

        public ViewHolder(@NonNull View itemView) {
            super(itemView);
            mImage = itemView.findViewById(R.id.image);
            mName = itemView.findViewById(R.id.name);
        }
    }
}

9.主页面

package com.bawie.www.month1.fragment;


import android.content.Context;
import android.graphics.Color;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v7.widget.DividerItemDecoration;
import android.support.v7.widget.GridLayoutManager;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.LinearLayout;
import android.widget.ScrollView;
import android.widget.TextView;
import android.widget.Toast;

import com.bawie.www.month1.HttpView;
import com.bawie.www.month1.R;
import com.bawie.www.month1.adapter.RecyAdapter;
import com.bawie.www.month1.adapter.RightAdapter;
import com.bawie.www.month1.bean.LeftBean;
import com.bawie.www.month1.bean.RightBean;
import com.bawie.www.month1.presenter.RecyPresenter;
import com.bawie.www.month1.presenter.RightPresenter;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * A simple {@link Fragment} subclass.
 */
public class LeftFragment extends Fragment {


    //左侧
    public static final String LeftUrl = "http://www.zhaoapi.cn/product/getCatagory";
    public static final String RightUrl = "http://www.zhaoapi.cn/product/getProductCatagory";
    private RecyclerView mRecyclerView;
    private LinearLayout mLinearLayout;
    private ScrollView mScrollView;
    private String CID;

    public LeftFragment() {
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        // Inflate the layout for this fragment
        View view = View.inflate(getActivity(), R.layout.fragment_left, null);
        //初始化控件
        initView(view);
        //初始化数据
        initData();


        return view;
    }

    /**
     * 初始化数据
     */
    private void initData() {
        //加一个条目分割线  垂直
        DividerItemDecoration dividerItemDecoration = new DividerItemDecoration(getActivity(), DividerItemDecoration.VERTICAL);
        //添加到mRecyclerView里边
        mRecyclerView.addItemDecoration(dividerItemDecoration);
        //设置LinearLayoutManager
        mRecyclerView.setLayoutManager(new LinearLayoutManager(getActivity()));
        //创建P层
        RecyPresenter recyPresenter = new RecyPresenter();
        recyPresenter.mkkPresenter(LeftUrl, new RecyPresenter.PresenterInterface() {
            @Override
            public void success(List<LeftBean.DataBean> data1) {
                //recyadapter
                RecyAdapter recyAdapter = new RecyAdapter(data1, getActivity());
                mRecyclerView.setAdapter(recyAdapter);
                recyAdapter.setRecyAdapterInterface(new RecyAdapter.RecyAdapterInterface() {
                    @Override
                    public void success(String s) {
                        //先在上边定义一个CID
                        Toast.makeText(getActivity(), s, Toast.LENGTH_SHORT).show();
                        CID = s;
                        initRight();
                    }
                });
            }
            @Override
            public void failed() { }
        });
    }

    private void initRight() {
        RightPresenter rightPresenter = new RightPresenter();
        final Map<String,String> map = new HashMap<>();
        map.put("cid",CID);
        rightPresenter.RightPresenter(RightUrl, map, new RightPresenter.RightInterface() {
            @Override
            public void success(List<RightBean.DataBean> data1) {
                mLinearLayout.removeAllViews();
                if (data1 != null){
                    for (int i = 0; i < data1.size(); i++) {
                        TextView textView = new TextView(getContext());
                        textView.setTextSize(20);
                        textView.setTextColor(Color.RED);
                        textView.setText(data1.get(i).getName());
                        //创建网格布局
                        GridLayoutManager gridLayoutManager = new GridLayoutManager(getContext(), 4);
                        //创建RecyclerView
                        RecyclerView recyclerView = new RecyclerView(getContext());
                        //添加到布局管理器
                        recyclerView.setLayoutManager(gridLayoutManager);
                        //创建适配器
                        RightAdapter rightAdapter = new RightAdapter(getContext(), data1);
                        //添加适配器
                        recyclerView.setAdapter(rightAdapter);
                        //更新适配器
                        rightAdapter.notifyDataSetChanged();
                        mLinearLayout.addView(textView);
                        mLinearLayout.addView(recyclerView);

                    }
                }
            }

            @Override
            public void failed() {

            }
        });
    }




    /**
     * 初始化控件
     * @param view
     */
    private void initView(View view) {
        mRecyclerView = (RecyclerView) view.findViewById(R.id.mRecyclerView);
        mLinearLayout = (LinearLayout) view.findViewById(R.id.mLinearLayout);
        mScrollView = (ScrollView) view.findViewById(R.id.mScrollView);
    }
}

10.左边bean

package com.bawie.www.month1.bean;

import java.util.List;

/**
 * date:2018/11/22
 * author:别来无恙(别来无恙)
 * function:
 */
public class LeftBean {

    /**
     * msg :
     * code : 0
     * data : [{"cid":1,"createtime":"2017-10-10T19:41:39","icon":"http://120.27.23.105/images/category/shop.png","ishome":1,"name":"京东超市"},{"cid":2,"createtime":"2017-10-10T19:41:39","icon":"http://120.27.23.105/images/category/qqg.png","ishome":1,"name":"全球购"},{"cid":3,"createtime":"2017-10-10T19:45:11","icon":"http://120.27.23.105/images/category/phone.png","ishome":1,"name":"手机数码"},{"cid":5,"createtime":"2017-10-10T20:12:03","icon":"http://120.27.23.105/images/category/man.png","ishome":1,"name":"男装"},{"cid":6,"createtime":"2017-10-10T20:12:03","icon":"http://120.27.23.105/images/category/girl.png","ishome":1,"name":"女装"},{"cid":7,"createtime":"2017-10-10T20:12:03","icon":"http://120.27.23.105/images/category/manshoe.png","ishome":1,"name":"男鞋"},{"cid":8,"createtime":"2017-10-10T20:12:03","icon":"http://120.27.23.105/images/category/girlshoe.png","ishome":1,"name":"女鞋"},{"cid":9,"createtime":"2017-10-10T20:12:03","icon":"http://120.27.23.105/images/category/shirt.png","ishome":1,"name":"内衣配饰"},{"cid":10,"createtime":"2017-10-10T20:12:03","icon":"http://120.27.23.105/images/category/bag.png","ishome":1,"name":"箱包手袋"},{"cid":11,"createtime":"2017-10-10T20:12:03","icon":"http://120.27.23.105/images/category/beauty.png","ishome":1,"name":"美妆个护"},{"cid":12,"createtime":"2017-10-10T20:12:03","icon":"http://120.27.23.105/images/category/jewel.png","ishome":1,"name":"钟表珠宝"},{"cid":13,"createtime":"2017-10-10T20:12:03","icon":"http://120.27.23.105/images/category/luxury.png","ishome":1,"name":"奢侈品"},{"cid":14,"createtime":"2017-10-10T20:12:03","icon":"http://120.27.23.105/images/category/computer.png","ishome":1,"name":"电脑办公"},{"cid":15,"createtime":"2017-09-29T10:13:48","icon":"http://120.27.23.105/images/icon.png","ishome":0,"name":"家用电器"},{"cid":16,"createtime":"2017-09-29T10:13:48","icon":"http://120.27.23.105/images/icon.png","ishome":0,"name":"食品生鲜"},{"cid":17,"createtime":"2017-09-29T10:13:48","icon":"http://120.27.23.105/images/icon.png","ishome":0,"name":"酒水饮料"},{"cid":18,"createtime":"2017-09-29T10:13:48","icon":"http://120.27.23.105/images/icon.png","ishome":0,"name":"母婴童装"},{"cid":19,"createtime":"2017-09-29T10:13:48","icon":"http://120.27.23.105/images/icon.png","ishome":0,"name":"玩具乐器"},{"cid":20,"createtime":"2017-09-29T10:13:48","icon":"http://120.27.23.105/images/icon.png","ishome":0,"name":"医药保健"}]
     */

    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 {
        /**
         * cid : 1
         * createtime : 2017-10-10T19:41:39
         * icon : http://120.27.23.105/images/category/shop.png
         * ishome : 1
         * name : 京东超市
         */

        private int cid;
        private String createtime;
        private String icon;
        private int ishome;
        private String name;

        public int getCid() {
            return cid;
        }

        public void setCid(int cid) {
            this.cid = cid;
        }

        public String getCreatetime() {
            return createtime;
        }

        public void setCreatetime(String createtime) {
            this.createtime = createtime;
        }

        public String getIcon() {
            return icon;
        }

        public void setIcon(String icon) {
            this.icon = icon;
        }

        public int getIshome() {
            return ishome;
        }

        public void setIshome(int ishome) {
            this.ishome = ishome;
        }

        public String getName() {
            return name;
        }

        public void setName(String name) {
            this.name = name;
        }
    }
}

11.右边bean

package com.bawie.www.month1.bean;

import java.util.List;

/**
 * date:2018/11/22
 * author:别来无恙(别来无恙)
 * function:
 */
public class RightBean {

    /**
     * msg : 获取子分类成功
     * code : 0
     * data : [{"cid":"1","list":[{"icon":"http://120.27.23.105/images/icon.png","name":"月饼","pcid":1,"pscid":1},{"icon":"http://120.27.23.105/images/icon.png","name":"坚果炒货","pcid":1,"pscid":2},{"icon":"http://120.27.23.105/images/icon.png","name":"糖巧","pcid":1,"pscid":3},{"icon":"http://120.27.23.105/images/icon.png","name":"休闲零食","pcid":1,"pscid":4},{"icon":"http://120.27.23.105/images/icon.png","name":"肉干肉脯","pcid":1,"pscid":5},{"icon":"http://120.27.23.105/images/icon.png","name":"饼干蛋糕","pcid":1,"pscid":6},{"icon":"http://120.27.23.105/images/icon.png","name":"蜜饯果干","pcid":1,"pscid":7},{"icon":"http://120.27.23.105/images/icon.png","name":"无糖食品","pcid":1,"pscid":8}],"name":"休闲零食","pcid":"1"},{"cid":"1","list":[{"icon":"http://120.27.23.105/images/icon.png","name":"新鲜水果","pcid":2,"pscid":9},{"icon":"http://120.27.23.105/images/icon.png","name":"海鲜水产","pcid":2,"pscid":10},{"icon":"http://120.27.23.105/images/icon.png","name":"精选肉类","pcid":2,"pscid":11},{"icon":"http://120.27.23.105/images/icon.png","name":"蛋类","pcid":2,"pscid":12},{"icon":"http://120.27.23.105/images/icon.png","name":"新鲜蔬菜","pcid":2,"pscid":13},{"icon":"http://120.27.23.105/images/icon.png","name":"冷冻食品","pcid":2,"pscid":14},{"icon":"http://120.27.23.105/images/icon.png","name":"饮品甜品","pcid":2,"pscid":15},{"icon":"http://120.27.23.105/images/icon.png","name":"大闸蟹","pcid":2,"pscid":16}],"name":"京东生鲜","pcid":"2"},{"cid":"1","list":[{"icon":"http://120.27.23.105/images/icon.png","name":"大米","pcid":3,"pscid":21},{"icon":"http://120.27.23.105/images/icon.png","name":"面粉","pcid":3,"pscid":22},{"icon":"http://120.27.23.105/images/icon.png","name":"杂粮","pcid":3,"pscid":23},{"icon":"http://120.27.23.105/images/icon.png","name":"食用油","pcid":3,"pscid":24},{"icon":"http://120.27.23.105/images/icon.png","name":"调味品","pcid":3,"pscid":25},{"icon":"http://120.27.23.105/images/icon.png","name":"方便速食","pcid":3,"pscid":26},{"icon":"http://120.27.23.105/images/icon.png","name":"有机食品","pcid":3,"pscid":27}],"name":"粮油调味","pcid":"3"},{"cid":"1","list":[{"icon":"http://120.27.23.105/images/icon.png","name":"饮用水","pcid":4,"pscid":28},{"icon":"http://120.27.23.105/images/icon.png","name":"饮料","pcid":4,"pscid":29},{"icon":"http://120.27.23.105/images/icon.png","name":"牛奶乳品","pcid":4,"pscid":30},{"icon":"http://120.27.23.105/images/icon.png","name":"名茶","pcid":4,"pscid":31},{"icon":"http://120.27.23.105/images/icon.png","name":"蜂蜜","pcid":4,"pscid":32}],"name":"水饮茗茶","pcid":"4"},{"cid":"1","list":[{"icon":"http://120.27.23.105/images/icon.png","name":"白酒","pcid":5,"pscid":33},{"icon":"http://120.27.23.105/images/icon.png","name":"葡萄酒","pcid":5,"pscid":34},{"icon":"http://120.27.23.105/images/icon.png","name":"洋酒","pcid":5,"pscid":35},{"icon":"http://120.27.23.105/images/icon.png","name":"啤酒","pcid":5,"pscid":36},{"icon":"http://120.27.23.105/images/icon.png","name":"黄酒","pcid":5,"pscid":37},{"icon":"http://120.27.23.105/images/icon.png","name":"陈年老酒","pcid":5,"pscid":38}],"name":"中外名酒","pcid":"5"}]
     */

    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 {
        /**
         * cid : 1
         * list : [{"icon":"http://120.27.23.105/images/icon.png","name":"月饼","pcid":1,"pscid":1},{"icon":"http://120.27.23.105/images/icon.png","name":"坚果炒货","pcid":1,"pscid":2},{"icon":"http://120.27.23.105/images/icon.png","name":"糖巧","pcid":1,"pscid":3},{"icon":"http://120.27.23.105/images/icon.png","name":"休闲零食","pcid":1,"pscid":4},{"icon":"http://120.27.23.105/images/icon.png","name":"肉干肉脯","pcid":1,"pscid":5},{"icon":"http://120.27.23.105/images/icon.png","name":"饼干蛋糕","pcid":1,"pscid":6},{"icon":"http://120.27.23.105/images/icon.png","name":"蜜饯果干","pcid":1,"pscid":7},{"icon":"http://120.27.23.105/images/icon.png","name":"无糖食品","pcid":1,"pscid":8}]
         * name : 休闲零食
         * pcid : 1
         */

        private String cid;
        private String name;
        private String pcid;
        private List<ListBean> list;

        public String getCid() {
            return cid;
        }

        public void setCid(String cid) {
            this.cid = cid;
        }

        public String getName() {
            return name;
        }

        public void setName(String name) {
            this.name = name;
        }

        public String getPcid() {
            return pcid;
        }

        public void setPcid(String pcid) {
            this.pcid = pcid;
        }

        public List<ListBean> getList() {
            return list;
        }

        public void setList(List<ListBean> list) {
            this.list = list;
        }

        public static class ListBean {
            /**
             * icon : http://120.27.23.105/images/icon.png
             * name : 月饼
             * pcid : 1
             * pscid : 1
             */

            private String icon;
            private String name;
            private int pcid;
            private int pscid;

            public String getIcon() {
                return icon;
            }

            public void setIcon(String icon) {
                this.icon = icon;
            }

            public String getName() {
                return name;
            }

            public void setName(String name) {
                this.name = name;
            }

            public int getPcid() {
                return pcid;
            }

            public void setPcid(int pcid) {
                this.pcid = pcid;
            }

            public int getPscid() {
                return pscid;
            }

            public void setPscid(int pscid) {
                this.pscid = pscid;
            }
        }
    }
}

注意:


	//okhttp依赖
    implementation 'com.squareup.okhttp3:okhttp:3.12.0'
    //recyclerView依赖
    implementation 'com.android.support:recyclerview-v7:28.0.0'
    //gson依赖
    implementation 'com.google.code.gson:gson:2.2.4'
    //picasso依赖
    implementation 'com.squareup.picasso:picasso:2.3.2'

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

	//左边网络请求地址
	public static final String LeftUrl = "http://www.zhaoapi.cn/product/getCatagory";
	//右边网络请求地址
    	public static final String RightUrl = "http://www.zhaoapi.cn/product/getProductCatagory";

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