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京东分类

分类: 文章 • 2022-10-02 00:13:09

京东分类



导依赖

implementation 'io.reactivex.rxjava2:rxandroid:2.0.2'
implementation 'io.reactivex.rxjava2:rxjava:2.1.12'
implementation 'com.jakewharton:butterknife:8.8.1'
implementation 'com.jakewharton.rxbinding2:rxbinding:2.1.1'
implementation 'com.squareup.okhttp3:logging-interceptor:3.10.0'
implementation 'com.squareup.retrofit2:retrofit:2.4.0'
compile 'com.squareup.retrofit2:converter-gson:2.4.0'
compile 'com.squareup.retrofit2:adapter-rxjava2:2.4.0'
implementation 'com.github.bumptech.glide:glide:4.7.1'
annotationProcessor 'com.github.bumptech.glide:compiler:4.7.1'
implementation 'org.greenrobot:greendao:3.2.2'
compile 'org.greenrobot:eventbus:3.1.1'
annotationProcessor 'com.jakewharton:butterknife-compiler:8.8.1'
implementation 'com.android.support:recyclerview-v7:27.+'

布局----主布局

<?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:orientation="horizontal"
    android:layout_height="match_parent"
    tools:context="com.example.com.jingdongfenlei.MainActivity">

 <fragment
     android:name="com.example.com.jingdongfenlei.view.LeftFragment"
     android:layout_width="0dp"
     android:layout_height="match_parent"
     android:layout_weight="2"
     android:id="@+id/fr_left"/>

 <fragment
     android:layout_width="0dp"
     android:layout_weight="8"
     android:layout_height="match_parent"
     android:id="@+id/right"
     android:name="com.example.com.jingdongfenlei.view.RightFragment"
  />

</LinearLayout>
 
left—fragment 

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:orientation="horizontal"
    android:layout_height="match_parent">
<android.support.v7.widget.RecyclerView
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:id="@+id/rec_left">

</android.support.v7.widget.RecyclerView>
</LinearLayout>
right—fragment


<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:orientation="vertical"
    android:layout_height="match_parent">
<android.support.v7.widget.RecyclerView
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:id="@+id/rec_right">

</android.support.v7.widget.RecyclerView>
</LinearLayout>


left——item

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:orientation="vertical"
    android:layout_height="match_parent">
<TextView
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:id="@+id/tv_title"/>
    <ImageView
        android:layout_width="80dp"
        android:layout_height="80dp"
        android:id="@+id/img"/>
</LinearLayout>
right——item
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:orientation="vertical"
    android:layout_height="match_parent">
    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/tv_des"/>

    <com.example.com.jingdongfenlei.myview.MyGridView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/gridview"
        android:numColumns="3">
    </com.example.com.jingdongfenlei.myview.MyGridView>
</LinearLayout>
gride——item
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:orientation="vertical"
    android:layout_height="match_parent">
<ImageView
    android:layout_width="60dp"
    android:layout_height="60dp"
    android:id="@+id/grid_img"/>
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/grid_tv"/>
</LinearLayout>
view包下LDataView
package com.example.com.jingdongfenlei.view;

/**
 * Created by linmeihui on 2018/4/20.
 */

public interface LDataView {
    void getMessage(Object o);
}
LeftFragment
package com.example.com.jingdongfenlei.view;

import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import com.example.com.jingdongfenlei.R;
import com.example.com.jingdongfenlei.adapter.LMyAdapter;
import com.example.com.jingdongfenlei.bean.LeftCategory;
import com.example.com.jingdongfenlei.bean.MessageBean;
import com.example.com.jingdongfenlei.presenter.LDataPresenter;
import com.example.com.jingdongfenlei.presenter.LMyDataPresenter;

import org.greenrobot.eventbus.EventBus;

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

/**
 * Created by linmeihui on 2018/4/20.
 */

public class LeftFragment extends Fragment implements LDataView,LMyAdapter.SetClick {

    private LMyAdapter lMyAdapter;
    private RecyclerView rec_left;
    private LMyDataPresenter lMyDataPresenter;
    private List<LeftCategory> data;

    @Nullable
    @Override
    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {

       View v=inflater.inflate(R.layout.left_fragment,null);

        rec_left = v.findViewById(R.id.rec_left);


        rec_left.setLayoutManager(new LinearLayoutManager(getActivity()));

        lMyDataPresenter = new LMyDataPresenter(this);
        //getMessage(data);

        lMyDataPresenter.toDataMsg();

        return v;
    }


    @Override
    public void getMessage(Object o) {

        MessageBean<List<LeftCategory>> messageBean= (MessageBean<List<LeftCategory>>) o;
        data = messageBean.getData();
        lMyAdapter = new LMyAdapter(data, getActivity());
        lMyAdapter.getinstance(LeftFragment.this);
        rec_left.setAdapter(lMyAdapter);

    }
    @Override
    public void setClick(int i) {

        Long cid = data.get(i).getCid();
        EventBus.getDefault().post(cid);

    }
}

RDataView
package com.example.com.jingdongfenlei.view;

/**
 * Created by linmeihui on 2018/4/20.
 */

public interface RDataView {
    void getRightMsg(Object o);
}
RightFragment
package com.example.com.jingdongfenlei.view;

import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import com.example.com.jingdongfenlei.R;
import com.example.com.jingdongfenlei.adapter.LMyAdapter;
import com.example.com.jingdongfenlei.adapter.RMyAdapter;
import com.example.com.jingdongfenlei.bean.RightCategory;
import com.example.com.jingdongfenlei.bean.RightMessage;
import com.example.com.jingdongfenlei.presenter.RMyDataPresenter;

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

import java.util.List;

/**
 * Created by linmeihui on 2018/4/20.
 */

public class RightFragment  extends Fragment implements RDataView{

    private RecyclerView rec_right;
    private List<RightMessage> data;
    private RMyDataPresenter rMyDataPresenter;

    @Nullable
    @Override
    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {

        EventBus.getDefault().register(this);
        View v=inflater.inflate(R.layout.right_fragment,null);

        rec_right = v.findViewById(R.id.rec_right);

        rec_right.setLayoutManager(new LinearLayoutManager(getActivity()));

        rMyDataPresenter = new RMyDataPresenter(this);

        rMyDataPresenter.getDataRight(1L);
        return v;
    }

    @Override
    public void getRightMsg(Object o) {

        RightCategory<List<RightMessage>> list= (RightCategory<List<RightMessage>>) o;

        Log.d("--", "getRightMsg: "+list.getData().size());

        data = list.getData();
        RMyAdapter rMyAdapter = new RMyAdapter(data, getActivity());
        rec_right.setAdapter(rMyAdapter);
    }

    @Subscribe(threadMode = ThreadMode.MAIN)
    public void getCid(Long cid){
        Log.d("--", "getCid: "+cid);
        rMyDataPresenter.getDataRight(cid);
    }

    @Override
    public void onDestroyView() {
        super.onDestroyView();
        EventBus.getDefault().unregister(this);
    }
}
左侧API---
package com.example.com.jingdongfenlei.api;

import com.example.com.jingdongfenlei.bean.LeftCategory;
import com.example.com.jingdongfenlei.bean.MessageBean;

import java.util.List;

import io.reactivex.Flowable;


import io.reactivex.Observable;
import io.reactivex.internal.operators.flowable.FlowableOnBackpressureLatest;
import retrofit2.http.GET;

/**
 * Created by linmeihui on 2018/4/20.
 */

public interface ApiService {
    @GET("product/getCatagory")
    Observable<MessageBean<List<LeftCategory>>> getLeftMessage();
}
右侧API
package com.example.com.jingdongfenlei.api;

import com.example.com.jingdongfenlei.bean.RightCategory;
import com.example.com.jingdongfenlei.bean.RightMessage;


import java.util.Collection;
import java.util.List;

import io.reactivex.Flowable;
import retrofit2.http.GET;
import retrofit2.http.Query;

/**
 * Created by linmeihui on 2018/4/20.
 */

public interface RApiService {
    @GET("product/getProductCatagory")
    Flowable<RightCategory<List<RightMessage>>>getRightMessage(@Query("cid") Long cid);
}
左侧数据
package com.example.com.jingdongfenlei.bean;

/**
 * Created by linmeihui on 2018/4/20.
 */

public class LeftCategory {
    private Long cid;
    private String createTime;
    private String icon;
    private int isHome;
    private String name;

    public LeftCategory(Long cid, String createTime, String icon, int isHome, String name) {
        this.cid = cid;
        this.createTime = createTime;
        this.icon = icon;
        this.isHome = isHome;
        this.name = name;
    }

    public Long getCid() {
        return cid;
    }

    public void setCid(Long 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;
    }
}
左侧messagebean
package com.example.com.jingdongfenlei.bean;

/**
 * Created by linmeihui on 2018/4/20.
 */

public class MessageBean<T> {
    private String msg;
    private String code;
    private T 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 T getData() {
        return data;
    }

    public void setData(T data) {
        this.data = data;
    }
}
右侧数据
package com.example.com.jingdongfenlei.bean;

/**
 * Created by linmeihui on 2018/4/20.
 */

public class RightCategory <T>{
    private String msg;
    private String code;
    private T 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 T getData() {
        return data;
    }

    public void setData(T data) {
        this.data = data;
    }
}
右侧message
package com.example.com.jingdongfenlei.bean;

import java.util.Collection;
import java.util.List;

/**
 * Created by linmeihui on 2018/4/20.
 */

public class RightMessage {

    /**
     * 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;
    }



}
右侧list
package com.example.com.jingdongfenlei.bean;

/**
 * Created by linmeihui on 2018/4/21.
 */

public 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;
        }
}
model层 左侧
package com.example.com.jingdongfenlei.model;

import com.example.com.jingdongfenlei.presenter.LDataPresenter;

/**
 * Created by linmeihui on 2018/4/20.
 */

public interface LDataModel {
    //请求数据方法
    void  toData(LDataPresenter lDataPresenter);

}
实现类
package com.example.com.jingdongfenlei.model;

import com.example.com.jingdongfenlei.api.ApiService;
import com.example.com.jingdongfenlei.bean.LeftCategory;
import com.example.com.jingdongfenlei.bean.MessageBean;
import com.example.com.jingdongfenlei.presenter.LDataPresenter;



import java.util.List;


import io.reactivex.Observer;
import io.reactivex.Scheduler;
import io.reactivex.android.schedulers.AndroidSchedulers;
import io.reactivex.disposables.Disposable;
import io.reactivex.schedulers.Schedulers;
import okhttp3.OkHttpClient;
import okhttp3.logging.HttpLoggingInterceptor;
import retrofit2.Retrofit;
import retrofit2.adapter.rxjava2.RxJava2CallAdapterFactory;
import retrofit2.converter.gson.GsonConverterFactory;

/**
 * Created by linmeihui on 2018/4/20.
 */

public class LMyDataModel implements LDataModel {
    private Retrofit retrofit;
    private String  BASE_URL = "https://www.zhaoapi.cn/";
    @Override
    public void toData(final LDataPresenter lDataPresenter) {

        //日志拦截器
        HttpLoggingInterceptor interceptor = new HttpLoggingInterceptor();
        interceptor.setLevel(HttpLoggingInterceptor.Level.BASIC);

        OkHttpClient client = new OkHttpClient.Builder()
                .addInterceptor(interceptor)
                .build();

        //请求数据
         retrofit = new Retrofit.Builder()
                .baseUrl(BASE_URL)
                .client(client)
                .addConverterFactory(GsonConverterFactory.create())
                .addCallAdapterFactory(RxJava2CallAdapterFactory.create())
                .build();

         //获得api
        ApiService apiService = retrofit.create(ApiService.class);
        apiService.getLeftMessage()
                .subscribeOn(Schedulers.io())
                .observeOn(AndroidSchedulers.mainThread())
                .subscribe(new Observer<MessageBean<List<LeftCategory>>>() {
                    @Override
                    public void onSubscribe(Disposable d) {

                    }

                    @Override
                    public void onNext(MessageBean<List<LeftCategory>> listMessageBean) {
                        lDataPresenter.onSuccess(listMessageBean);
                    }

                    @Override
                    public void onError(Throwable e) {
                        lDataPresenter.onFailed();
                    }

                    @Override
                    public void onComplete() {

                    }
                });

    }
}
右侧
package com.example.com.jingdongfenlei.model;

import com.example.com.jingdongfenlei.presenter.RDataPresenter;

/**
 * Created by linmeihui on 2018/4/20.
 */

public interface RDataModel {
    //请求数据
    void toData(RDataPresenter rDataPresenter,Long cid);
}
实现类
package com.example.com.jingdongfenlei.model;

import android.util.Log;

import com.example.com.jingdongfenlei.api.RApiService;
import com.example.com.jingdongfenlei.bean.RightCategory;
import com.example.com.jingdongfenlei.bean.RightMessage;
import com.example.com.jingdongfenlei.presenter.RDataPresenter;

import org.reactivestreams.Subscriber;
import org.reactivestreams.Subscription;

import java.util.Collection;
import java.util.List;

import io.reactivex.android.schedulers.AndroidSchedulers;
import io.reactivex.schedulers.Schedulers;
import io.reactivex.subscribers.DefaultSubscriber;
import okhttp3.OkHttpClient;
import okhttp3.logging.HttpLoggingInterceptor;
import retrofit2.Retrofit;
import retrofit2.adapter.rxjava2.RxJava2CallAdapterFactory;
import retrofit2.converter.gson.GsonConverterFactory;

/**
 * Created by linmeihui on 2018/4/20.
 */

public class RMyDataModel implements RDataModel {

    private String  BASE_URL = "https://www.zhaoapi.cn/";

    @Override
    public void toData(final RDataPresenter rDataPresenter,Long cid) {

        //日志拦截器
        HttpLoggingInterceptor interceptor = new HttpLoggingInterceptor();
        interceptor.setLevel(HttpLoggingInterceptor.Level.BASIC);

        OkHttpClient client = new OkHttpClient.Builder()
                .addInterceptor(interceptor)
                .build();


        Retrofit retrofit = new Retrofit.Builder()
                .addConverterFactory(GsonConverterFactory.create())
                .addCallAdapterFactory(RxJava2CallAdapterFactory.create())
                .baseUrl(BASE_URL)
                .client(client)
                .build();

        RApiService rApiService = retrofit.create(RApiService.class);
        rApiService.getRightMessage(cid)
                .subscribeOn(Schedulers.io())
                .observeOn(AndroidSchedulers.mainThread())
                .subscribe(new DefaultSubscriber<RightCategory<List<RightMessage>>>() {
                    @Override
                    public void onNext(RightCategory<List<RightMessage>> listRightCategory) {
                        rDataPresenter.onSuccess(listRightCategory);
                    }

                    @Override
                    public void onError(Throwable t) {

                    }

                    @Override
                    public void onComplete() {

                    }
                });
    }
}
presenter层
左侧
package com.example.com.jingdongfenlei.presenter;

/**
 * Created by linmeihui on 2018/4/20.
 */

public interface LDataPresenter {
    void onSuccess(Object o);
    void onFailed();
}
实现类
package com.example.com.jingdongfenlei.presenter;

import com.example.com.jingdongfenlei.model.LDataModel;
import com.example.com.jingdongfenlei.model.LMyDataModel;
import com.example.com.jingdongfenlei.view.LDataView;

/**
 * Created by linmeihui on 2018/4/20.
 */

public class LMyDataPresenter implements LDataPresenter {

    private final LDataView lDataView;
    private LMyDataModel lDataModel;

    public LMyDataPresenter (LDataView lDataView){
        this.lDataView=lDataView;
         lDataModel=new LMyDataModel();
    }

    @Override
    public void onSuccess(Object o) {
        lDataView.getMessage(o);

    }

    @Override
    public void onFailed() {

    }

    public void toDataMsg(){
        lDataModel.toData(this);
    }


}
右侧
package com.example.com.jingdongfenlei.presenter;

/**
 * Created by linmeihui on 2018/4/20.
 */

public interface RDataPresenter {

    void onSuccess(Object o);
    void onFailed();

}
实现类
package com.example.com.jingdongfenlei.presenter;

import com.example.com.jingdongfenlei.model.RDataModel;
import com.example.com.jingdongfenlei.model.RMyDataModel;
import com.example.com.jingdongfenlei.view.RDataView;

/**
 * Created by linmeihui on 2018/4/20.
 */

public class RMyDataPresenter implements RDataPresenter{
    RDataView rDataView;
    private final RMyDataModel rMyDataModel;

    public RMyDataPresenter(RDataView rDataView){
        this.rDataView=rDataView;
        rMyDataModel = new RMyDataModel();
    }

    @Override
    public void onSuccess(Object o) {

        rDataView.getRightMsg(o);

    }

    @Override
    public void onFailed() {

    }

    public void getDataRight(Long cid){
        rMyDataModel.toData(this,cid);
    }
}
adapter包下
左侧
package com.example.com.jingdongfenlei.adapter;

import android.content.Context;
import android.support.annotation.NonNull;
import android.support.v4.app.FragmentActivity;
import android.support.v7.widget.RecyclerView;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;

import com.bumptech.glide.Glide;
import com.example.com.jingdongfenlei.R;
import com.example.com.jingdongfenlei.bean.LeftCategory;

import java.util.List;

/**
 * Created by linmeihui on 2018/4/20.
 */

public class LMyAdapter extends RecyclerView.Adapter{
    List<LeftCategory> list;
    Context context;
    SetClick setClick;
    public LMyAdapter(List<LeftCategory> list, Context context) {
        this.context=context;
        this.list=list;
    }

    public void getinstance(SetClick setClick){
        this.setClick=setClick;
    }

    @NonNull
    @Override
    public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
       View view=View.inflate(context,R.layout.left_item,null);
       ViewHolder viewHolder=new ViewHolder(view);

        return viewHolder;
    }

    @Override
    public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder, final int position) {

        ViewHolder viewHolder= (ViewHolder) holder;
        Glide.with(context).load(list.get(position).getIcon()).into(viewHolder.img);
        viewHolder.tv_title.setText(list.get(position).getName());

        viewHolder.itemView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                setClick.setClick(position);
            }
        });

    }

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

    class ViewHolder extends RecyclerView.ViewHolder{

        private final TextView tv_title;
        private final ImageView img;

        public ViewHolder(View itemView) {
            super(itemView);

            tv_title = itemView.findViewById(R.id.tv_title);
            img = itemView.findViewById(R.id.img);

        }
    }

    public interface SetClick{
        void setClick(int i);
    }
}
右侧
package com.example.com.jingdongfenlei.adapter;

import android.content.Context;
import android.support.annotation.NonNull;
import android.support.v4.app.FragmentActivity;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.GridView;
import android.widget.ImageView;
import android.widget.TextView;

import com.bumptech.glide.Glide;
import com.example.com.jingdongfenlei.R;
import com.example.com.jingdongfenlei.bean.ListBean;
import com.example.com.jingdongfenlei.bean.RightMessage;

import java.util.List;

/**
 * Created by linmeihui on 2018/4/21.
 */

public class RMyAdapter extends RecyclerView.Adapter{
    List<RightMessage> data;
    Context context;

    public RMyAdapter(List<RightMessage> data, Context context) {
            this.context=context;
            this.data=data;

    }

    @NonNull
    @Override
    public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {

        //View view=View.inflate(context,R.layout.right_item,null);

        View view = LayoutInflater.from(context).inflate(R.layout.right_item, parent, false);

        ViewHolder viewHolder=new ViewHolder(view);

        return viewHolder;
    }

    @Override
    public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder, int position) {
        ViewHolder holder1= (ViewHolder) holder;
        holder1.tv_des.setText(data.get(position).getName());
        GridAdapter gridAdapter = new GridAdapter(data.get(position).getList(), context);
        holder1.gridview.setAdapter(gridAdapter);

    }

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

    class ViewHolder extends RecyclerView.ViewHolder{

        private final GridView gridview;
        private final TextView tv_des;

        public ViewHolder(View itemView) {
            super(itemView);
            tv_des = itemView.findViewById(R.id.tv_des);
            gridview = itemView.findViewById(R.id.gridview);
        }
    }

    private class GridAdapter extends BaseAdapter{
        List<ListBean> list;
        Context context;
        public GridAdapter(List<ListBean> list, Context context) {
            this.context=context;
            this.list=list;
        }

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

        @Override
        public Object getItem(int position) {
            return list.get(position);
        }

        @Override
        public long getItemId(int position) {
            return position;
        }

        @Override
        public View getView(int position, View view, ViewGroup parent) {
            GridHolder holder;
            if (view==null) {
                view = View.inflate(context, R.layout.gride_item, null);
                holder=new GridHolder();
               holder.grid_img=view.findViewById(R.id.grid_img);
               holder.grid_tv=view.findViewById(R.id.grid_tv);
               view.setTag(holder);
            }else {
                holder= (GridHolder) view.getTag();
            }
                holder.grid_tv.setText(list.get(position).getName());
                Glide.with(context).load(list.get(position).getIcon()).into(holder.grid_img);


            return view;
        }

        class GridHolder{
            TextView grid_tv;
            ImageView grid_img;
        }
    }
}
自定义gridview
package com.example.com.jingdongfenlei.myview;

import android.content.Context;
import android.util.AttributeSet;
import android.widget.GridView;

/**
 * Created by linmeihui on 2018/4/21.
 */

public class MyGridView extends GridView {
    public MyGridView(Context context) {
        super(context);
    }

    public MyGridView(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    public MyGridView(Context context, AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
    }

    @Override
    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {

        int i = MeasureSpec.makeMeasureSpec(Integer.MAX_VALUE >> 2, MeasureSpec.AT_MOST);

        super.onMeasure(widthMeasureSpec, i);
    }
}


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