分类

fragment

package com.example.administrator.monthmn.fragment;

import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.support.v7.widget.DefaultItemAnimator;
import android.support.v7.widget.GridLayoutManager;
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.ExpandableListView;
import android.widget.Toast;

import com.example.administrator.monthmn.R;
import com.example.administrator.monthmn.adapter.EMyAdapter;
import com.example.administrator.monthmn.adapter.MyAdapter;
import com.example.administrator.monthmn.bean.EBean;
import com.example.administrator.monthmn.bean.FBean;
import com.example.administrator.monthmn.model.FModel;
import com.example.administrator.monthmn.presenter.FPresenter;
import com.example.administrator.monthmn.view.FView;

import java.util.List;

/**
 * Created by Administrator on 2018/6/29.
 */

public class Fragment2 extends Fragment implements FView, MyAdapter.OnItemClickListener {
    private static final String TAG = "Fragment2";
    private RecyclerView recyclerView;
    private ExpandableListView eListView;
    private MyAdapter.OnItemClickListener onItemClickListener;
    private MyAdapter myAdapter;
    private FPresenter fPresenter;
    private EMyAdapter eMyAdapter;

    @Nullable
    @Override
    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.fragment2, container, false);

        recyclerView = view.findViewById(R.id.recyclerView);
        eListView = view.findViewById(R.id.EListView);
        //setOnItemClickListener(onItemClickListener);
        fPresenter = new FPresenter(this);
        fPresenter.Home(1);
        return view;
    }

    @Override
    public void getSuccess(FBean fBean) {
        List list = fBean.getData();
        myAdapter = new MyAdapter(list,getActivity());
        myAdapter.setOnItemClickListener(this);
        LinearLayoutManager linearLayoutManager =new LinearLayoutManager(getActivity());
        recyclerView.setLayoutManager(linearLayoutManager);
        recyclerView.setAdapter(myAdapter);
        recyclerView.setItemAnimator(new DefaultItemAnimator());
      //  onItemClickListener.onClick();
    }

    @Override
    public void getSuccess2(EBean eBena) {
        Log.d(TAG, "getSuccess2: "+eBena.getData());
        List list2 = eBena.getData();
        eMyAdapter = new EMyAdapter(list2,getActivity());
       // Toast.makeText(getContext(),eMyAdapter.getGroupCount()+"=====",Toast.LENGTH_SHORT).show();
        eListView.setAdapter(eMyAdapter);

        int count = eListView.getCount();
        for (int i = 0; i < count; i++) {
            eListView.expandGroup(i);
        }
        eMyAdapter.notifyDataSetChanged();
    }

//    //外部访问接口的方法
//    public void setOnItemClickListener(MyAdapter.OnItemClickListener onItemClickListener){
//        this.onItemClickListener = onItemClickListener;
//    }

    @Override
    public void onClick(int cid) {
        Toast.makeText(getContext(),""+cid,Toast.LENGTH_LONG).show();
        fPresenter.Home(cid);
    }
}

model层

package com.example.administrator.monthmn.model;

import android.content.Context;
import android.util.Log;

import com.example.administrator.monthmn.bean.EBean;
import com.example.administrator.monthmn.bean.FBean;
import com.example.administrator.monthmn.util.OkHttpUtil;
import com.google.gson.Gson;

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

/**
 * Created by Administrator on 2018/6/29.
 */

public class FModel {
    private static final String TAG = "FModel";
    private String url ="https://www.zhaoapi.cn/product/getCatagory";
    private String url2="https://www.zhaoapi.cn/product/getProductCatagory";
    private Context context;
    public void getUrl(final IModel iModel){
        Mapmap =new HashMap<>();
        OkHttpUtil okHttpUtil = OkHttpUtil.getInstance(context);
        okHttpUtil.getData(url, new OkHttpUtil.ICallBack() {
            @Override
            public void Data(String result) {
                Gson gson =  new Gson();
                FBean fBean = gson.fromJson(result, FBean.class);
                iModel.getSuccess(fBean);
            }
        });
    }
    public void getUrl2(int cid, final IModel2 iModel2){
        Mapmap =new HashMap<>();
        OkHttpUtil okHttpUtil = OkHttpUtil.getInstance(context);
        okHttpUtil.getData(url2+"?cid="+cid, new OkHttpUtil.ICallBack() {
            @Override
            public void Data(String result) {
                Gson gson =  new Gson();
                EBean eBean = gson.fromJson(result, EBean.class);
                Log.d(TAG, "Data: "+eBean.getCode());
                Log.d(TAG, "Data: "+eBean.getMsg());
                Log.d("111",eBean+"");
                iModel2.getSuccess2(eBean);
            }
        });
    }
    public interface IModel{
        void getSuccess(FBean  fBean);
    }
    public interface IModel2{
        void getSuccess2(EBean eBean);
    }
}

p层

package com.example.administrator.monthmn.presenter;

import com.example.administrator.monthmn.bean.EBean;
import com.example.administrator.monthmn.bean.FBean;
import com.example.administrator.monthmn.model.FModel;
import com.example.administrator.monthmn.view.FView;

/**
 * Created by Administrator on 2018/6/29.
 */

public class FPresenter {
    private FView mfView;
    private final FModel fModel;

    public FPresenter(FView fView){
        this.mfView=fView;
        fModel = new FModel();
    }
    public void Home(int cid){
        fModel.getUrl(new FModel.IModel() {
            @Override
            public void getSuccess(FBean fBean) {
                mfView.getSuccess(fBean);
            }
        });
        fModel.getUrl2(cid,new FModel.IModel2() {
            @Override
            public void getSuccess2(EBean eBean) {
                mfView.getSuccess2(eBean);
            }
        });
    }
}

v层

package com.example.administrator.monthmn.view;

import com.example.administrator.monthmn.bean.EBean;
import com.example.administrator.monthmn.bean.FBean;

/**
 * Created by Administrator on 2018/6/29.
 */

public interface FView {
    void getSuccess(FBean fBean);
    void getSuccess2(EBean eBena);
}

adapter适配器左

package com.example.administrator.monthmn.adapter;

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.TextView;

import com.example.administrator.monthmn.R;
import com.example.administrator.monthmn.bean.FBean;

import java.util.List;

/**
 * Created by Administrator on 2018/6/29.
 */

public class MyAdapter extends RecyclerView.Adapter {
    private List list;
    private FragmentActivity activity;
    private OnItemClickListener onItemClickListener;
    public MyAdapter(List list, FragmentActivity activity) {
        this.list = list;
        this.activity = activity;
    }

    @NonNull
    @Override
    public MyViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
        View itemView = LayoutInflater.from(activity).inflate(R.layout.r_layout, parent, false);
        MyViewHolder myViewHolder = new MyViewHolder(itemView);
        return myViewHolder;
    }

    @Override
    public void onBindViewHolder(@NonNull MyViewHolder holder, final int position) {
        holder.r_text.setText(list.get(position).getName());
        holder.r_text.setOnClickListener(new View.OnClickListener(){

            @Override
            public void onClick(View v) {
                //接口对象
               onItemClickListener.onClick(list.get(position).getCid());
            }
        });
    }

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


    @Override
    public int getItemCount() {
        return list==null?0:list.size();
    }

    public class MyViewHolder extends RecyclerView.ViewHolder{

        private final TextView r_text;

        public MyViewHolder(View itemView) {
            super(itemView);
            r_text = itemView.findViewById(R.id.r_text);
        }
    }
    public interface OnItemClickListener{
        //定义点击方法
        void onClick(int cid);
    }

}

adapter适配器右

package com.example.administrator.monthmn.adapter;

import android.support.annotation.NonNull;
import android.support.v4.app.FragmentActivity;
import android.support.v7.widget.GridLayoutManager;
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.BaseExpandableListAdapter;
import android.widget.ImageView;
import android.widget.TextView;

import com.bumptech.glide.Glide;
import com.example.administrator.monthmn.R;
import com.example.administrator.monthmn.bean.EBean;
import com.example.administrator.monthmn.bean.FBean;

import org.w3c.dom.Text;

import java.util.List;

/**
 * Created by Administrator on 2018/6/29.
 */

public class EMyAdapter  extends BaseExpandableListAdapter {
    private List list2;
    private FragmentActivity activity;
    private List recyclerView_list;

    public EMyAdapter(List list2, FragmentActivity activity) {
        this.list2=list2;
        this.activity=activity;

    }

    @Override
    public int getGroupCount() {
        return list2==null?0:list2.size();
    }

    @Override
    public int getChildrenCount(int groupPosition) {
        return list2.get(groupPosition)==null?0:list2.get(groupPosition).getList().size();
    }

    @Override
    public Object getGroup(int groupPosition) {
        return list2.get(groupPosition);
    }

    @Override
    public Object getChild(int groupPosition, int childPosition) {
        return list2.get(groupPosition).getList().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 true;
    }

    @Override
    public View getGroupView(int groupPosition, boolean isExpanded, View convertView, ViewGroup parent) {
        MyViewHolder1 myViewHolder1;
        if(convertView==null){
            convertView = View.inflate(activity, R.layout.e_r_1_layout, null);
            myViewHolder1 = new MyViewHolder1();
            myViewHolder1.textView=convertView.findViewById(R.id.text_view1);
            convertView.setTag(myViewHolder1);
        }else{
            myViewHolder1 = (MyViewHolder1) convertView.getTag();
        }
        myViewHolder1.textView.setText(list2.get(groupPosition).getName());
        return convertView;
    }

    @Override
    public View getChildView(int groupPosition, int childPosition, boolean isLastChild, View convertView, ViewGroup parent) {
        MyViewHolder2 myViewHolder2;
        if(convertView==null){
            convertView = View.inflate(activity,R.layout.e_layout,null);
            myViewHolder2 = new MyViewHolder2();
            myViewHolder2.recyclerView = convertView.findViewById(R.id.recyclerView2);

            convertView.setTag(myViewHolder2);
        }else{
            myViewHolder2 = (MyViewHolder2) convertView.getTag();
        }
        recyclerView_list = list2.get(groupPosition).getList();
        RAdapter rAdapter =new RAdapter(groupPosition,childPosition,activity);
        GridLayoutManager gridLayoutManager =new GridLayoutManager(activity,3);
        myViewHolder2.recyclerView.setLayoutManager(gridLayoutManager);
        myViewHolder2.recyclerView.setAdapter(rAdapter);
        return convertView;
    }

    @Override
    public boolean isChildSelectable(int groupPosition, int childPosition) {
        return false;
    }
    class MyViewHolder1{
        TextView textView;
    }
    class MyViewHolder2{
        RecyclerView recyclerView;
    }
    class RAdapter extends RecyclerView.Adapter{

        private static final String TAG = "RAdapter";
        private int childPosition;
        private int groupPosition;
        private FragmentActivity activity;

        public RAdapter(int groupPosition, int childPosition, FragmentActivity activity) {
            this.childPosition=childPosition;
            this.activity=activity;
            this.groupPosition=groupPosition;

        }

        @NonNull
        @Override
        public MyViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
            View itemView = LayoutInflater.from(activity).inflate(R.layout.e_r_layout, parent, false);
            MyViewHolder myViewHolder  =new MyViewHolder(itemView);
            return myViewHolder;

        }

        @Override
        public void onBindViewHolder(@NonNull MyViewHolder holder, int position) {
            holder.textView.setText(recyclerView_list.get(position).getName());
            Glide.with(activity).load(recyclerView_list.get(position).getIcon()).into(holder.imageView);
        }

        @Override
        public int getItemCount() {
            return recyclerView_list==null?0:recyclerView_list.size();
        }

        public class MyViewHolder extends RecyclerView.ViewHolder{

            private final ImageView imageView;
            private final TextView textView;

            public MyViewHolder(View itemView) {
                super(itemView);
                imageView = itemView.findViewById(R.id.image_view2);
                textView = itemView.findViewById(R.id.text_view2);
            }
        }
    }
}

OKHTTP

package com.example.administrator.monthmn.util;

import android.content.Context;
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;

/**
 * Created by Administrator on 2018/6/29.
 */

public class OkHttpUtil {
    private Context context;
    private final Handler handler;
    private static OkHttpUtil okHttpUtil;
    private OkHttpClient okHttpClient;

    private OkHttpUtil(Context context){
        this.context=context;
        handler = new Handler(Looper.getMainLooper());
        initOk();
    }

    private void initOk() {
       okHttpClient = new OkHttpClient.Builder()
                .readTimeout(10, TimeUnit.SECONDS)
                .writeTimeout(1000,TimeUnit.MILLISECONDS)
                .connectTimeout(5,TimeUnit.SECONDS)
                .build();
    }
    public static OkHttpUtil getInstance(Context context){
        if(okHttpUtil==null){
            synchronized (OkHttpUtil.class){
                if(okHttpUtil==null){
                    okHttpUtil = new OkHttpUtil(context);
                }
            }
        }
        return okHttpUtil;
    }
    public void getData(String url, final ICallBack iCallBack){
        Request request = new Request.Builder()
                .url(url)
                .get()
                .build();
        okHttpClient.newCall(request).enqueue(new Callback() {
            private String result;
            @Override
            public void onFailure(Call call, IOException e) {

            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {
                if(response.isSuccessful()){
                    result = response.body().string();
                    handler.post(new Runnable() {
                        @Override
                        public void run() {
                            iCallBack.Data(result);
                        }
                    });
                }
            }
        });
    }
    private void postData(String url, Mapmap, final ICallBack iCallBack){
        FormBody.Builder formBody = new FormBody.Builder();
            for(Map.EntrystringStringEntry:map.entrySet()){
                formBody.add(stringStringEntry.getKey(),stringStringEntry.getValue());
            }
            Request request =new Request.Builder()
                    .url(url)
                    .post(formBody.build())
                    .build();
        okHttpClient.newCall(request).enqueue(new Callback() {
            private String result;
            @Override
            public void onFailure(Call call, IOException e) {

            }

            @Override
            public  void onResponse(Call call, Response response) throws IOException {
                    if(response.isSuccessful()){
                        result = response.body().string();
                        handler.post(new Runnable() {
                            @Override
                            public void run() {
                                iCallBack.Data(result);
                            }
                        });
                    }
            }
        });
    }
    public interface ICallBack{
        void Data(String result);
    }
}