购物车的presenter层_presenters java-优快云博客

本文链接：https://blog.youkuaiyun.com/MincingMachine/article/details/79089461

本文详细介绍了MVP架构模式在Android应用开发中的实现方式。通过具体案例，展示了Presenter如何连接Model与View，实现业务逻辑处理及数据交互。文章重点讲解了MainPresenter类的功能，包括初始化过程、获取商品数据的方法及其回调处理。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

package com.lbp.yuekao.presenter;

import com.lbp.yuekao.bean.GoosBean;
import com.lbp.yuekao.http.OnNetListener;
import com.lbp.yuekao.model.ConModelImpl;
import com.lbp.yuekao.model.IConModel;
import com.lbp.yuekao.view.IContextView;

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

/**
 * Created by Administrator on 2018/1/17 0017.
 */

public class MainPresenter {
    private  IConModel imainModel;
    private  IContextView iContextView;

    public MainPresenter(IContextView iContextView) {
        this.iContextView = iContextView;
        imainModel = new ConModelImpl();
    }

    public void getGoods() {
        imainModel.getGoods(new OnNetListener<GoosBean>() {
            @Override
            public void onSuccess(GoosBean goosBean) {
                //List<GoosBean.DataBean> groupList, List<List<GoosBean.DataBean.DatasBean>> childList
                List<GoosBean.DataBean> dataBean = goosBean.getData();
                List<List<GoosBean.DataBean.DatasBean>> childList = new ArrayList<List<GoosBean.DataBean.DatasBean>>();
                for (int i = 0; i < dataBean.size(); i++) {
                    List<GoosBean.DataBean.DatasBean> datas = dataBean.get(i).getDatas();
                    childList.add(datas);
                }
                iContextView.showList(dataBean, childList);
            }

            @Override
            public void onFailure(Exception e) {

            }
        });

    }
}