分类文件详解

--------------------------------------分类主页面布局文件-------------------------

    
    
    <framelayout android:id="@+id/frame_right" android:layout_height="match_parent" android:layout_weight="8" android:layout_width="0dp"></framelayout>

--------------------------------------分类Fragment----------------------------------

package com.example.day0629_moni_yk.view.fragment;

import android.os.Bundle;
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.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.FrameLayout;
import android.widget.Toast;

import com.example.day0629_moni_yk.R;
import com.example.day0629_moni_yk.adapter.FenLeiAdapterLeft;
import com.example.day0629_moni_yk.bean.Constant;
import com.example.day0629_moni_yk.bean.GsonFenLeiLeftData;
import com.example.day0629_moni_yk.util.RequestDataUtil;
import com.google.gson.Gson;

import org.greenrobot.eventbus.EventBus;

import java.util.List;

/**
 * Created by John on 2018/6/29 0029.
 */

public class FragmentFenClass extends Fragment {

    private View view;
    private RecyclerView mRecyclerLeft;
    private RequestDataUtil dataUtil;
    private FragmentShoppingCartRigth fragmentRigth;

    @Nullable
    @Override
    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        view = inflater.inflate(R.layout.fragment_fenlei, container, false);
        return view;
    }

    @Override
    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);
        initView(view);
        //请求左侧数据
        requestLeft();
    }
    //请求左边的数据
    private void requestLeft() {
        dataUtil.getRequestJsonData(Constant.FenLeiUrl, new RequestDataUtil.IcallBack() {
            @Override
            public void onRequest(String jsonData) {
                //请求成功
                Gson gson = new Gson();
                GsonFenLeiLeftData leftData = gson.fromJson(jsonData, GsonFenLeiLeftData.class);
                final List leftList = leftData.getData();
                //设置布局管理器
                mRecyclerLeft.setLayoutManager(new LinearLayoutManager(getContext(),LinearLayoutManager.VERTICAL,false));

                //设置适配器
                FenLeiAdapterLeft adapterLeft = new FenLeiAdapterLeft(getContext(),leftList);
                mRecyclerLeft.setAdapter(adapterLeft);

                //接口回调
                adapterLeft.setOnItemClickListener(new FenLeiAdapterLeft.LeftIcallBack() {
                    @Override
                    public void onItemClick(int position) {
                        //动态加载右边的Fragment
                        fragmentRigth = new FragmentShoppingCartRigth();
                        Bundle bundle = new Bundle();
                        bundle.putString("cid",leftList.get(position).getCid()+"");
                        fragmentRigth.setArguments(bundle);
                        getActivity().getSupportFragmentManager().beginTransaction().replace(R.id.frame_right, fragmentRigth).commit();
                        Toast.makeText(getContext(), ""+position, Toast.LENGTH_SHORT).show();
                    }
                });
            }
        });
    }

    private void initView(View view) {
        mRecyclerLeft = (RecyclerView) view.findViewById(R.id.recycler_left);
        //得到网络请求工具类
        dataUtil = RequestDataUtil.getInstance();
        //动态加载右边的Fragment  这个是设置默认加载一个页面
        fragmentRigth = new FragmentShoppingCartRigth();
        getActivity().getSupportFragmentManager().beginTransaction().replace(R.id.frame_right, fragmentRigth).commit();

    }

}

------------------------------------右边显示数据的Fragment的布局----------------------------

------------------------------------右边显示数据的Fragment--------------------------------------

package com.example.day0629_moni_yk.view.fragment;

import android.os.Bundle;
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 android.widget.TextView;

import com.example.day0629_moni_yk.R;
import com.example.day0629_moni_yk.adapter.FenLeiAdapterRight;
import com.example.day0629_moni_yk.bean.Constant;
import com.example.day0629_moni_yk.bean.GsonFenLeiRightData;
import com.example.day0629_moni_yk.util.RequestDataUtil;
import com.google.gson.Gson;

import org.greenrobot.eventbus.EventBus;

import java.util.List;

/**
 * Created by John on 2018/6/29 0029.
 */

public class FragmentShoppingCartRigth extends Fragment {

    private View view;
    private EventBus eventBus;
    private String cid = "1";//默认为1
    /**
     * 热门分类
     */
    private TextView mFenleiReightName;
    private RecyclerView mFenleiReightContent;
    private RequestDataUtil dataUtil;

    @Nullable
    @Override
    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        view = inflater.inflate(R.layout.fragment_shopping_rigth, container, false);
        return view;
    }

    @Override
    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);
        initView(view);
        Bundle arguments = getArguments();
        if (arguments != null) {
            cid = arguments.getString("cid");
            //Log.d("zzz", "onActivityCreated: "+ cid);
        }
        //网络请求数据
        requestDataFunction();

    }

    private void requestDataFunction() {
        //拼接地址
        String urlRight = Constant.FenLeiUrlRight+"?cid="+cid;
        Log.d("oooo", "getItemCount: "+urlRight);
        dataUtil.getRequestJsonData(urlRight, new RequestDataUtil.IcallBack() {
            @Override
            public void onRequest(String jsonData) {
                //请求数据成功
                Gson gson = new Gson();
                GsonFenLeiRightData rightData = gson.fromJson(jsonData, GsonFenLeiRightData.class);
                List beanList = rightData.getData();
                //设置适配器
                mFenleiReightContent.setLayoutManager(new LinearLayoutManager(getContext(),LinearLayoutManager.VERTICAL,false));
                FenLeiAdapterRight adapterRight = new FenLeiAdapterRight(getContext(),beanList);
                mFenleiReightContent.setAdapter(adapterRight);
            }
        });
    }

    private void initView(View view) {
        mFenleiReightName = (TextView) view.findViewById(R.id.fenlei_reight_name);
        mFenleiReightContent = (RecyclerView) view.findViewById(R.id.fenlei_reight_content);

        //得到网络请求工具类
        dataUtil = RequestDataUtil.getInstance();
    }
}

---------------------------------------------第一层适配器-----------------------------------------

package com.example.day0629_moni_yk.adapter;

import android.content.Context;
import android.support.v7.widget.GridLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

import com.example.day0629_moni_yk.R;
import com.example.day0629_moni_yk.bean.GsonFenLeiRightData;

import java.util.List;

/**
 * Created by John on 2018/6/29 0029.
 */

public class FenLeiAdapterRight extends RecyclerView.Adapter {
    private Context context;
    private List list;

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

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

    @Override
    public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) {
        ViewHolderRight holderRight = (ViewHolderRight) holder;
        //绑定数据
        holderRight.mFenleiReightName.setText(list.get(position).getName());
        //得到集合 设置适配器
        List listb = list.get(position).getList();
        //设置布局管理器
        holderRight.mFenleiReightContent.setLayoutManager(new GridLayoutManager(context,3));
        //设置适配器
        FenLeiChildrenRightAdapter rightAdapter = new FenLeiChildrenRightAdapter(context,listb);
        holderRight.mFenleiReightContent.setAdapter(rightAdapter);

??????? /**//接口回调
??????? baseAdapter.setOnItemClickRight(new RightNeiAdapter.IcallBackRight() {
??????????? @Override
??????????? public void ItemOnClick(int childrenPosition) {//接口回调得到子适配器的Position
??????????????? if(rightIcallBack!=null){
??????????????????? rightIcallBack.getPcid(childrenPosition,position);
??????????????? }
??????????????? //获取获取pscid       这个position使用于得到子集合的  这个childrenposition使用于得到子集合中的具体哪一个商品的
??????????????? int pscid = beanList.get(position).getList().get(childrenPosition).getPscid();
??????????????? //Log.d("dddddd", "getPcid: "+pscid+"position:"+position+"childrenPosition:"+childrenPosition);
??????????????? //跳转页面
??????????????? Intent intent = new Intent(context, CommodityListActivity.class);
??????????????? intent.putExtra("pscid",pscid+"");
??????????????? context.startActivity(intent);

??????????? }
??????? });**/


?}

    @Override
    public int getItemCount() {

        return list.size();
    }

    static class ViewHolderRight extends RecyclerView.ViewHolder {
        View view;
        TextView mFenleiReightName;
        RecyclerView mFenleiReightContent;

        ViewHolderRight(View view) {
            super(view);
            this.view = view;
            this.mFenleiReightName = (TextView) view.findViewById(R.id.fenlei_reight_name);
            this.mFenleiReightContent = (RecyclerView) view.findViewById(R.id.fenlei_reight_content);
        }
    }
}

------------------------------------第二层适配器------------------------------------

package com.example.day0629_moni_yk.adapter;

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

import com.example.day0629_moni_yk.R;
import com.example.day0629_moni_yk.bean.GsonFenLeiRightData;
import com.facebook.drawee.view.SimpleDraweeView;

import java.util.List;

/**
 * Created by John on 2018/6/29 0029.
 */

public class FenLeiChildrenRightAdapter extends RecyclerView.Adapter {
    private Context context;
    private List listb;

    public FenLeiChildrenRightAdapter(Context context, List listb) {
        this.context = context;
        this.listb = listb;
    }

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

    @Override
    public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) {
        ViewHolderChildren holderChildren = (ViewHolderChildren) holder;
        //绑定数据
        holderChildren.mChildrenName.setText(listb.get(position).getName());
        //下载图片
        Uri uri = Uri.parse(listb.get(position).getIcon());
        holderChildren.mMyChildrenImage.setImageURI(uri);
    }

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

    static class ViewHolderChildren extends RecyclerView.ViewHolder {
        View view;
        SimpleDraweeView mMyChildrenImage;
        TextView mChildrenName;

        ViewHolderChildren(View view) {
            super(view);
            this.view = view;
            this.mMyChildrenImage = (SimpleDraweeView) view.findViewById(R.id.my_children_image);
            this.mChildrenName = (TextView) view.findViewById(R.id.children_name);
        }
    }
}