仿京东分类 RecyclerView嵌套

Fragment中：

import android.support.v7.widget.DividerItemDecoration;

import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;

import java.util.List;

import butterknife.BindView;
import bwie.com.month627.R;
import bwie.com.month627.classify.adapter.LeftAdapter;
import bwie.com.month627.classify.adapter.RightAdapter;
import bwie.com.month627.classify.bean.ClaBean;
import bwie.com.month627.classify.bean.ClaChildBean;
import bwie.com.month627.classify.model.ClasModel;
import bwie.com.month627.classify.presenter.ClasPresenter;
import bwie.com.month627.classify.view.interfaces.IClasView;
import bwie.com.mybase.base.BaseFragment;
import bwie.com.mybase.mvp.BaseModel;

public class ClassifyFragment extends BaseFragment implements IClasView {

    @BindView(R.id.left_classify)
    RecyclerView leftClassify;
    @BindView(R.id.right_classify)
    RecyclerView rightClassify;

    @Override
    protected void initDate() {
        presenter.getClas();
    }

    @Override
    protected BaseModel initModel() {
        return new ClasModel();
    }

    @Override
    protected ClasPresenter initPresenter() {
        return new ClasPresenter();
    }

    @Override
    protected void initView() {
        leftClassify.setLayoutManager(new LinearLayoutManager(getContext(),LinearLayoutManager.VERTICAL,false));
        rightClassify.setLayoutManager(new LinearLayoutManager(getContext(),LinearLayoutManager.VERTICAL,false));
    }

    @Override
    protected int isLayoutId() {
        return R.layout.classify_frag;
    }

    @Override
    public void onSuccess(final ClaBean claBean) {
        final LeftAdapter adapter = new LeftAdapter(getContext(),claBean.getData());
        leftClassify.addItemDecoration(new DividerItemDecoration(getContext(),RecyclerView.VERTICAL));
        leftClassify.setAdapter(adapter);
        adapter.changeCheck(0,true);
        presenter.getClaChild(claBean.getData().get(0).getCid());
        adapter.setOnItemClickListener(new LeftAdapter.OnItemClickListener() {
            @Override
            public void setClickListenner(int pos) {
                adapter.changeCheck(pos, true);
                presenter.getClaChild(claBean.getData().get(pos).getCid());
            }
        });
    }

    @Override
    public void onSuccess2(ClaChildBean claChildBean) {
        List list = claChildBean.getData();
        RightAdapter adapter = new RightAdapter(getContext(),list);
        rightClassify.setAdapter(adapter);
    }

    @Override
    public void onFault(String s) {
    }

}

左边的bean类

import java.util.List;

public class ClaBean {

    /**
     * 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 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 getData() {
        return data;
    }

    public void setData(List 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;
        private boolean checked;//表示是否选中

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

        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;
        }
    }
}

右边的bean类

import java.util.List;

public class ClaChildBean {

    /**
     * msg : 获取子分类成功
     * code : 0
     * data : [{"cid":"2","list":[{"icon":"http://120.27.23.105/images/icon.png","name":"手机","pcid":6,"pscid":39},{"icon":"http://120.27.23.105/images/icon.png","name":"笔记本","pcid":6,"pscid":40},{"icon":"http://120.27.23.105/images/icon.png","name":"平板电脑","pcid":6,"pscid":41},{"icon":"http://120.27.23.105/images/icon.png","name":"游戏机","pcid":6,"pscid":42},{"icon":"http://120.27.23.105/images/icon.png","name":"摄影摄像","pcid":6,"pscid":43}],"name":"数码家电","pcid":"6"},{"cid":"2","list":[{"icon":"http://120.27.23.105/images/icon.png","name":"男表","pcid":7,"pscid":44},{"icon":"http://120.27.23.105/images/icon.png","name":"女表","pcid":7,"pscid":45},{"icon":"http://120.27.23.105/images/icon.png","name":"儿童手表","pcid":7,"pscid":46},{"icon":"http://120.27.23.105/images/icon.png","name":"运动手表","pcid":7,"pscid":47},{"icon":"http://120.27.23.105/images/icon.png","name":"电子表","pcid":7,"pscid":48},{"icon":"http://120.27.23.105/images/icon.png","name":"情侣表","pcid":7,"pscid":49},{"icon":"http://120.27.23.105/images/icon.png","name":"石英表","pcid":7,"pscid":50},{"icon":"http://120.27.23.105/images/icon.png","name":"机械表","pcid":7,"pscid":51}],"name":"钟表","pcid":"7"},{"cid":"2","list":[{"icon":"http://120.27.23.105/images/icon.png","name":"奢品箱包","pcid":8,"pscid":52},{"icon":"http://120.27.23.105/images/icon.png","name":"珠宝饰品","pcid":8,"pscid":53},{"icon":"http://120.27.23.105/images/icon.png","name":"运动户外","pcid":8,"pscid":54}],"name":"服饰奢品","pcid":"8"},{"cid":"2","list":[{"icon":"http://120.27.23.105/images/icon.png","name":"面部护肤","pcid":9,"pscid":55},{"icon":"http://120.27.23.105/images/icon.png","name":"洗发护发","pcid":9,"pscid":56},{"icon":"http://120.27.23.105/images/icon.png","name":"身体护理","pcid":9,"pscid":57},{"icon":"http://120.27.23.105/images/icon.png","name":"口腔护理","pcid":9,"pscid":58},{"icon":"http://120.27.23.105/images/icon.png","name":"女性护理","pcid":9,"pscid":59},{"icon":"http://120.27.23.105/images/icon.png","name":"清洁用品","pcid":9,"pscid":60}],"name":"美妆个护","pcid":"9"}]
     */

    private String msg;
    private String code;
    private List 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 getData() {
        return data;
    }

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

    public static class DataBean {
        /**
         * cid : 2
         * list : [{"icon":"http://120.27.23.105/images/icon.png","name":"手机","pcid":6,"pscid":39},{"icon":"http://120.27.23.105/images/icon.png","name":"笔记本","pcid":6,"pscid":40},{"icon":"http://120.27.23.105/images/icon.png","name":"平板电脑","pcid":6,"pscid":41},{"icon":"http://120.27.23.105/images/icon.png","name":"游戏机","pcid":6,"pscid":42},{"icon":"http://120.27.23.105/images/icon.png","name":"摄影摄像","pcid":6,"pscid":43}]
         * name : 数码家电
         * pcid : 6
         */

        private String cid;
        private String name;
        private String pcid;
        private List 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 getList() {
            return list;
        }

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

        public static class ListBean {
            /**
             * icon : http://120.27.23.105/images/icon.png
             * name : 手机
             * pcid : 6
             * pscid : 39
             */

            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：

import bwie.com.month627.classify.bean.ClaBean;
import bwie.com.month627.classify.bean.ClaChildBean;
import bwie.com.month627.utils.RetrofitFactory;
import bwie.com.mybase.mvp.BaseModel;
import io.reactivex.Observer;
import io.reactivex.android.schedulers.AndroidSchedulers;
import io.reactivex.disposables.Disposable;
import io.reactivex.schedulers.Schedulers;

public class ClasModel extends BaseModel {

    public void getClas(final IClasModel iClasModel){
        RetrofitFactory.getINSTANCE().getMyApi()
                .getClas()
                .subscribeOn(Schedulers.io())
                .observeOn(AndroidSchedulers.mainThread())
                .subscribe(new Observer() {
                    @Override
                    public void onSubscribe(Disposable d) {

                    }

                    @Override
                    public void onNext(ClaBean claBean) {
                        iClasModel.onSuccess(claBean);
                    }

                    @Override
                    public void onError(Throwable e) {
                        iClasModel.onFault(e+"");
                    }

                    @Override
                    public void onComplete() {

                    }
                });
    }

    public void getClaChile( int cid,final IClasModel iClasModel){
        RetrofitFactory.getINSTANCE().getMyApi()
                .getChild(cid)
                .subscribeOn(Schedulers.io())
                .observeOn(AndroidSchedulers.mainThread())
                .subscribe(new Observer() {
                    @Override
                    public void onSubscribe(Disposable d) {

                    }

                    @Override
                    public void onNext(ClaChildBean claChildBean) {
                        iClasModel.onSuccess2(claChildBean);
                    }

                    @Override
                    public void onError(Throwable e) {
                        iClasModel.onFault(e+"");
                    }

                    @Override
                    public void onComplete() {

                    }
                });
    }

    public interface IClasModel{
        void onSuccess(ClaBean claBean);
        void onSuccess2(ClaChildBean claChildBean);
        void onFault(String s);
    }

}

presenter层：

public class ClasPresenter extends BasePresenter, IClasView> {
    public void getClas() {
        model.getClas(new ClasModel.IClasModel() {
            @Override
            public void onSuccess(ClaBean claBean) {
                view.onSuccess(claBean);
            }

            @Override
            public void onSuccess2(ClaChildBean claChildBean) {

            }

            @Override
            public void onFault(String s) {
                view.onFault(s);
            }
        });
    }

    public void getClaChild(int cid) {
        model.getClaChile(cid, new ClasModel.IClasModel() {
            @Override
            public void onSuccess(ClaBean claBean) {

            }

            @Override
            public void onSuccess2(ClaChildBean claChildBean) {
                view.onSuccess2(claChildBean);
            }

            @Override
            public void onFault(String s) {
                view.onFault(s);
            }
        });
    }
}

左边的适配器：

public class LeftAdapter extends RecyclerView.Adapter {

    private Context context;
    private List list;
    private OnItemClickListener onItemClickListener;

    public void setOnItemClickListener(OnItemClickListener onItemClickListener) {
        this.onItemClickListener = onItemClickListener;
    }

    public LeftAdapter(Context context, List list) {
        this.context = context;
        this.list = list;
    }

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

    @Override
    public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder, final int position) {
        ((MyHolder)holder).textView.setText(list.get(position).getName());
        ((MyHolder)holder).relativeLayout.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                onItemClickListener.setClickListenner(position);
            }
        });
    }

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

    class MyHolder extends RecyclerView.ViewHolder {
        TextView textView;
        RelativeLayout relativeLayout;
        public MyHolder(View itemView) {
            super(itemView);
            textView = itemView.findViewById(R.id.text);
            relativeLayout = itemView.findViewById(R.id.left_item);
        }
    }

    public interface OnItemClickListener{
        void setClickListenner(int pos);
    }
    public void changeCheck(int position, boolean bool) {
        //先还原一下
        for (int i = 0; i < list.size(); i++) {
            list.get(i).setChecked(false);
        }
        ClaBean.DataBean dataBean = list.get(position);
        dataBean.setChecked(bool);
        //刷新界面
        notifyDataSetChanged();
    }

}

右边的适配器：

public class RightAdapter extends RecyclerView.Adapter {

    private Context context;
    private List list;
    private OnItemClickListener onItemClickListener;

    public void setOnItemClickListener(OnItemClickListener onItemClickListener) {
        this.onItemClickListener = onItemClickListener;
    }

    public RightAdapter(Context context, List list) {
        this.context = context;
        this.list = list;
    }

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

    @Override
    public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder, int position) {
        ((MyHolder)holder).recyclerView.setLayoutManager(new LinearLayoutManager(context,LinearLayoutManager.VERTICAL,false));
        RightItemAdapter adapter = new RightItemAdapter(context,list);
        ((MyHolder)holder).recyclerView.setAdapter(adapter);
    }

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

    class MyHolder extends RecyclerView.ViewHolder {
        RecyclerView recyclerView;
        public MyHolder(View itemView) {
            super(itemView);
            recyclerView = itemView.findViewById(R.id.right_rcv);
        }
    }

    public interface OnItemClickListener{
        void setonclicklistener(int pos);
    }

}

右边商家的适配器：

public class RightItemAdapter extends RecyclerView.Adapter {

    private Context context;
    private List list;

    public RightItemAdapter(Context context, List list) {
        this.context = context;
        this.list = list;
    }

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

    @Override
    public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder, int position) {
        ((MyHolder)holder).textView.setText(list.get(position).getName());
        ((MyHolder)holder).recyclerView.setLayoutManager(new GridLayoutManager(context,5,RecyclerView.VERTICAL,false));
        RightItem2Adapter adapter = new RightItem2Adapter(context,list.get(position).getList());
        ((MyHolder)holder).recyclerView.setAdapter(adapter);

    }

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

    class MyHolder extends RecyclerView.ViewHolder {
        TextView textView;
        RecyclerView recyclerView;
        public MyHolder(View itemView) {
            super(itemView);
            textView = itemView.findViewById(R.id.name);
            recyclerView = itemView.findViewById(R.id.right_item);
        }
    }

}

右边商家下的子商品的适配器：

public class RightItem2Adapter extends RecyclerView.Adapter {
    private Context context;
    private List listBeans;
    private OnItemClickListener onItemClickListener;

    public void setOnItemClickListener(OnItemClickListener onItemClickListener) {
        this.onItemClickListener = onItemClickListener;
    }

    public RightItem2Adapter(Context context, List listBeans) {
        this.context = context;
        this.listBeans = listBeans;
    }

    @NonNull
    @Override
    public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
        View view = View.inflate(context, R.layout.right_item2,null);
        return new MyHolder(view);
    }

    @Override
    public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder, int position) {
        Uri uri=Uri.parse(listBeans.get(position).getIcon());
        ((MyHolder)holder).sdv.setImageURI(uri);
        ((MyHolder)holder).textView.setText(listBeans.get(position).getName());
    }

    @Override
    public int getItemCount() {
        return listBeans.size();
    }
    class MyHolder extends RecyclerView.ViewHolder {
        SimpleDraweeView sdv;
        TextView textView;
        public MyHolder(View itemView) {
            super(itemView);
            sdv = itemView.findViewById(R.id.sdv);
            textView = itemView.findViewById(R.id.text);
        }
    }

    public interface OnItemClickListener{
        void setClickListener(int pos);
    }
}

View接口

public interface IClasView extends IBaseView {
    void onSuccess(ClaBean claBean);
    void onSuccess2(ClaChildBean claChildBean);
    void onFault(String s);
}