购物车模拟分类表(左recycleView，右2recycleView嵌套)

其他 2018-12-27 11:20:49 阅读次数: 0

MainActivity

package com.zjh.administrat.classify_recycleview.view;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.support.v7.widget.DividerItemDecoration;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.OrientationHelper;
import android.support.v7.widget.RecyclerView;
import android.widget.Toast;

import com.zjh.administrat.classify_recycleview.R;
import com.zjh.administrat.classify_recycleview.adapter.LeftAdapter;
import com.zjh.administrat.classify_recycleview.adapter.RightAdapter;
import com.zjh.administrat.classify_recycleview.bean.LeftBean;
import com.zjh.administrat.classify_recycleview.bean.RightBean;
import com.zjh.administrat.classify_recycleview.presenter.IPresenterImpl;

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

public class MainActivity extends AppCompatActivity implements IView{

    private RecyclerView recyclerLeft, recyclerRight;
    public String urlLeft = "http://www.zhaoapi.cn/product/getCatagory";
    public String urlRight = "http://www.zhaoapi.cn/product/getProductCatagory";
    private IPresenterImpl iPresenter;
    private LeftAdapter mAdapter;
    private RightAdapter mAdapter1;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        initView();
        initLeft();
        initRight();
        leftType();
        //LeftAdapter接口回调获得cid
        mAdapter.setOnLeftClick(new LeftAdapter.OnLeftClick() {
            @Override
            public void OnClick(int i, String cid) {
                Toast.makeText(MainActivity.this, "点击了"+cid, Toast.LENGTH_SHORT).show();
                rightType(cid);

            }
        });
    }
    //左边数据
    private void leftType() {
        Map<String, String> map = new HashMap<>();
        iPresenter.PRequestData(urlLeft, map, LeftBean.class);
    }
    private void rightType(String cid){
        Map<String, String> map = new HashMap<>();
        map.put("cid", cid);
        iPresenter.PRequestData(urlRight, map, RightBean.class);
        initRight();
    }

    //左边操作
    private void initLeft() {
        LinearLayoutManager linearLayoutManager = new LinearLayoutManager(this);
        linearLayoutManager.setOrientation(OrientationHelper.VERTICAL);
        recyclerLeft.setLayoutManager(linearLayoutManager);
        mAdapter = new LeftAdapter(this);
        recyclerLeft.setAdapter(mAdapter);
        //分割线
        recyclerLeft.addItemDecoration(new DividerItemDecoration(this, DividerItemDecoration.VERTICAL));
    }
    //右边数据
    private void initRight() {
        LinearLayoutManager linearLayoutManager = new LinearLayoutManager(this);
        linearLayoutManager.setOrientation(OrientationHelper.VERTICAL);
        recyclerRight.setLayoutManager(linearLayoutManager);
        mAdapter1 = new RightAdapter(this);
        recyclerRight.setAdapter(mAdapter1);
        //分割线
        recyclerRight.addItemDecoration(new DividerItemDecoration(this, DividerItemDecoration.VERTICAL));
    }

    //初始化view
    private void initView() {
        recyclerLeft = findViewById(R.id.recycleLeft);
        recyclerRight = findViewById(R.id.recycleRight);
        iPresenter = new IPresenterImpl(this);
    }

    @Override
    public void viewDatas(Object data) {
        if (data instanceof LeftBean){
            LeftBean leftBean = (LeftBean) data;
            mAdapter.setDatas(leftBean.getData());
        }else if(data instanceof RightBean){
            RightBean rightBean = (RightBean) data;
            mAdapter1.setDatas(rightBean.getData());
        }

    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        iPresenter.onDetch();
    }
}

LeftAdapter左边列表

package com.zjh.administrat.classify_recycleview.adapter;

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

import com.zjh.administrat.classify_recycleview.R;
import com.zjh.administrat.classify_recycleview.bean.LeftBean;

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

public class LeftAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
    private List<LeftBean.DataBean> mLeft;
    private Context mContext;

    public LeftAdapter(Context mContext) {
        this.mContext = mContext;
        mLeft = new ArrayList<>();
    }

    public void setDatas(List<LeftBean.DataBean> data) {
        if (data != null){
            mLeft.addAll(data);
        }
        notifyDataSetChanged();
    }
    @NonNull
    @Override
    public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) {
        View view = LayoutInflater.from(mContext).inflate(R.layout.left_item, viewGroup, false);
        return new ViewHolder(view);
    }

    @Override
    public void onBindViewHolder(@NonNull RecyclerView.ViewHolder viewHolder, final int i) {
        ViewHolder mHolder = (ViewHolder) viewHolder;
        mHolder.name.setText(mLeft.get(i).getName());

        //实现接口参数
        mHolder.itemView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if (mOnLeftClick != null){
                    mOnLeftClick.OnClick(i, mLeft.get(i).getCid());
                }
            }
        });
    }

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

    class ViewHolder extends RecyclerView.ViewHolder {
        public TextView name;
        public ViewHolder(@NonNull View itemView) {
            super(itemView);
            name = itemView.findViewById(R.id.name);
        }
    }

    //成员变量
    OnLeftClick mOnLeftClick;
    //set方法
    public void setOnLeftClick(OnLeftClick onLeftClick){
        mOnLeftClick = onLeftClick;
    }
    //定义一个接口
    public interface OnLeftClick{
        void OnClick(int i, String cid);
    }

}

RightAdapter右边商品

package com.zjh.administrat.classify_recycleview.adapter;

import android.content.Context;
import android.support.annotation.NonNull;
import android.support.v7.widget.DividerItemDecoration;
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.ImageView;
import android.widget.TextView;

import com.zjh.administrat.classify_recycleview.R;
import com.zjh.administrat.classify_recycleview.bean.RightBean;

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

public class RightAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
    private List<RightBean.DataBean> mRight;
    private Context mContext;

    public RightAdapter(Context mContext) {
        this.mContext = mContext;
        mRight = new ArrayList<>();
    }

    public void setDatas(List<RightBean.DataBean> data) {
        if (data != null){
            mRight.addAll(data);
        }
        notifyDataSetChanged();
    }
    @NonNull
    @Override
    public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) {
        View view = LayoutInflater.from(mContext).inflate(R.layout.right_item, viewGroup, false);
        return new ViewHolder(view);
    }

    @Override
    public void onBindViewHolder(@NonNull RecyclerView.ViewHolder viewHolder, int i) {
        ViewHolder mHolder = (ViewHolder) viewHolder;
        mHolder.name.setText(mRight.get(i).getName());

        //商品详情
        GoodsAdapter gAdapter = new GoodsAdapter(mContext);
        LinearLayoutManager linearLayoutManager = new LinearLayoutManager(mContext);
        mHolder.recyclerData.setLayoutManager(linearLayoutManager);
        mHolder.recyclerData.setAdapter(gAdapter);
        mHolder.recyclerData.addItemDecoration(new DividerItemDecoration(mContext, DividerItemDecoration.VERTICAL));
        gAdapter.setDatas(mRight.get(i).getList());

    }

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

    class ViewHolder extends RecyclerView.ViewHolder {
        public TextView name;
        private RecyclerView recyclerData;
        public ViewHolder(@NonNull View itemView) {
            super(itemView);
            recyclerData = itemView.findViewById(R.id.recycleData);
            name = itemView.findViewById(R.id.name);
        }
    }
}

GoodsAdapter商品

package com.zjh.administrat.classify_recycleview.adapter;

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

import com.bumptech.glide.Glide;
import com.zjh.administrat.classify_recycleview.R;
import com.zjh.administrat.classify_recycleview.bean.RightBean;

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

public class GoodsAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
    private List<RightBean.DataBean.ListBean> mList;
    private Context mContext;

    public GoodsAdapter(Context mContext) {
        this.mContext = mContext;
        mList = new ArrayList<>();
    }
    public void setDatas(List<RightBean.DataBean.ListBean> list) {
        if (list != null){
            mList.addAll(list);
        }
        notifyDataSetChanged();
    }

    @NonNull
    @Override
    public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) {
        View view = LayoutInflater.from(mContext).inflate(R.layout.goods_item, viewGroup, false);
        return new ViewHolder(view);
    }

    @Override
    public void onBindViewHolder(@NonNull RecyclerView.ViewHolder viewHolder, int i) {
        ViewHolder mHolder = (ViewHolder) viewHolder;
        mHolder.textView.setText(mList.get(i).getName());
        Glide.with(mContext).load(mList.get(i).getIcon()).into(mHolder.imageView);
    }

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

    class ViewHolder extends RecyclerView.ViewHolder {
        public ImageView imageView;
        public TextView textView;
        public ViewHolder(@NonNull View itemView) {
            super(itemView);
            imageView = itemView.findViewById(R.id.imageView);
            textView = itemView.findViewById(R.id.textView);
        }
    }
}

布局activity_main.xml

<?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"
    android:orientation="horizontal"
    tools:context=".view.MainActivity">

   <android.support.v7.widget.RecyclerView
       android:id="@+id/recycleLeft"
       android:layout_width="0dp"
       android:layout_height="match_parent"
       android:layout_weight="3"/>

    <android.support.v7.widget.RecyclerView
        android:id="@+id/recycleRight"
        android:layout_width="0dp"
        android:layout_height="match_parent"
        android:layout_weight="7"/>

</LinearLayout>

mvp框架，okhttp/post请求数据

购物车分类

猜你喜欢

转载自blog.csdn.net/qq_43143422/article/details/85105428
今日推荐
《美国对全球网络空间安全与发展的威胁和破坏》报告发布
火速冲上 GitHub 热榜 —— 开源编程语言、框架哪有这么可爱？
北京人形机器人创新中心发布全球首个纯电驱拟人奔跑的全尺寸人形机器人“天工”
LFOSSA 源来如此公开课 | 掌握云原生未来：CNCF 认证全面攻略与备考秘籍
国产云输入法——仅华为无云端数据上传安全问题
开源日报 | 工业开源项目OGG 1.0；姐姐，你要和我一起配置火狐吗；苹果AI遥遥落后？Fedora 40
周排行
购置笔记本常识
从源码看Spring Security之采坑笔记（Spring Boot篇）
大数据学习——高可用配置案例
如何避免选择不专业的建站公司?
Euclid's Game HDU - 1525（博弈）
面试笔记（六）---Js实现eventHandler
Windows 实例搭建的 FTP 在外网无法连接和访问
设计模式 : 桥接模式
USB 设备驱动开发之几个重要结构体分析
14-p14_sqrt求平方根
每日归档
更多
2024-04-29(40)
2024-04-28(0)
2024-04-27(56)
2024-04-26(39)
2024-04-25(22)
2024-04-24(36)
2024-04-23(26)
2024-04-22(39)
2024-04-21(0)
2024-04-20(6)

代码天地 © 2018 codetd.com

境外服务器   最新电视剧2022