View的多条目

package zhoukao1.bwie.com.day12.Acivity;

import android.content.Context;
import android.os.Handler;
import android.os.Message;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.widget.TextView;

import com.google.gson.Gson;

import java.io.IOException;

import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;
import zhoukao1.bwie.com.day12.Atapter.MyAdapter;
import zhoukao1.bwie.com.day12.Bean;
import zhoukao1.bwie.com.day12.R;
import zhoukao1.bwie.com.day12.mvp.view.IDeleage;

public class MainActivityPersenter extends IDeleage {
    private String url = "https://code.aliyun.com/598254259/FristProject/raw/master/bw_list.txt";
    private MyAdapter myAdapter;
    private RecyclerView mRecyclerView;

    @Override
    public int getLayoutid() {
        return R.layout.activity_main;
    }

    private RecyclerView recyclerView;

    private TextView textView;
    private Handler handler = new Handler() {
        @Override
        public void handleMessage(Message msg) {
            super.handleMessage(msg);
            String data = (String) msg.obj;
            Bean bean = new Gson().fromJson(data, Bean.class);
            myAdapter.setList(bean.getItems());
        }
    };

    @Override
    public void indata() {
        super.indata();
        mRecyclerView = (RecyclerView) get(R.id.view);
        myAdapter = new MyAdapter(context);
        LinearLayoutManager linearLayoutManager = new LinearLayoutManager(context);
        linearLayoutManager.setOrientation(LinearLayoutManager.VERTICAL);
        mRecyclerView.setLayoutManager(linearLayoutManager);
        mRecyclerView.setAdapter(myAdapter);
        doHttp();
    }

    private void doHttp() {
        OkHttpClient client = new OkHttpClient();
        Request request = new Request.Builder()
                .url(url)
                .build();
        client.newCall(request).enqueue(new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {

            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {
                Message message = Message.obtain();
                message.obj = response.body().string();
                handler.sendMessage(message);
            }
        });
    }


    private Context context;

    @Override
    public void getContext(Context context) {
        this.context = context;
    }

}

=========

package zhoukao1.bwie.com.day12.Atapter;

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


import com.bumptech.glide.Glide;

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

import zhoukao1.bwie.com.day12.Bean;
import zhoukao1.bwie.com.day12.R;

public class MyAdapter extends RecyclerView.Adapter {
    private List<Bean.ItemsBean> list=new ArrayList<>();
    private Context context;
    public MyAdapter(Context mainActivity) {
        context=mainActivity;
    }


    @Override
    public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        View view=null;
        RecyclerView.ViewHolder viewHolder=null;
        switch (viewType){
            case 0:
                view=View.inflate(context,R.layout.recycler_item_0,null);
                viewHolder=new MyViewHolder(view);
                break;
            case 1:
                view=View.inflate(context,R.layout.recycler_item_1,null);
                viewHolder=new MyViewHolder2(view);
                break;
            case 2:
                view=View.inflate(context,R.layout.recycler_item_2,null);
                viewHolder=new MyViewHolder3(view);
                break;
        }

        return  viewHolder;
    }

    @Override
    public void onBindViewHolder(RecyclerView.ViewHolder viewHolder, int i) {
        if(viewHolder instanceof MyViewHolder){
            Glide.with(context).load(list.get( i).getImage()).into(((MyViewHolder)viewHolder).imageView);
            //Picasso.with(context).load(list.get(i).getImage()).fit().into(((MyViewHolder)viewHolder).imageView);
            ((MyViewHolder)viewHolder).tvTitle.setText(list.get(i).getTitle());
            ((MyViewHolder)viewHolder).tvDesc.setText(list.get(i).getDesc());
        }else if(viewHolder instanceof MyViewHolder2){
            Glide.with(context).load(list.get(i).getImages().get(0).getPic()).into(((MyViewHolder2)viewHolder).image_1);
            Glide.with(context).load(list.get(i).getImages().get(1).getPic()).into(((MyViewHolder2)viewHolder).image_2);
            Glide.with(context).load(list.get(i).getImages().get(2).getPic()).into(((MyViewHolder2)viewHolder).image_3);
        }else {
            ((MyViewHolder3)viewHolder).mTitle.setText(list.get(i).getTitle());
        }
    }


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

    @Override
    public int getItemViewType(int position) {
        return list.get(position).getType();
    }


    public void setList(List<Bean.ItemsBean> list) {
        this.list = list;
        notifyDataSetChanged();
    }


    private class MyViewHolder extends RecyclerView.ViewHolder{
        ImageView imageView;
        TextView tvTitle,tvDesc;
        public MyViewHolder(@NonNull View itemView) {
            super(itemView);
            imageView=(ImageView) itemView.findViewById(R.id.image);
            tvTitle=(TextView) itemView.findViewById(R.id.tv_title);
            tvDesc=(TextView) itemView.findViewById(R.id.tv_desc);
        }
    }

    private class MyViewHolder2 extends RecyclerView.ViewHolder{

        ImageView image_1,image_2,image_3;

        public MyViewHolder2(@NonNull View itemView) {
            super(itemView);
            image_1=(ImageView)itemView.findViewById(R.id.image_1);
            image_2=(ImageView)itemView.findViewById(R.id.image_2);
            image_3=(ImageView)itemView.findViewById(R.id.image_3);
        }
    }

    private class MyViewHolder3 extends RecyclerView.ViewHolder{

        TextView mTitle;

        public MyViewHolder3(@NonNull View itemView) {
            super(itemView);
            mTitle=(TextView)itemView.findViewById(R.id.tv_title);
        }
    }
}
标题基于Python的自主学习系统后端设计与实现AI更换标题第1章引言介绍自主学习系统的研究背景、意义、现状以及本文的研究方法和创新点。1.1研究背景与意义阐述自主学习系统在教育技术领域的重要性和应用价值。1.2国内外研究现状分析国内外在自主学习系统后端技术方面的研究进展。1.3研究方法与创新点概述本文采用Python技术栈的设计方法和系统创新点。第2章相关理论与技术总结自主学习系统后端开发的相关理论和技术基础。2.1自主学习系统理论阐述自主学习系统的定义、特征和理论基础。2.2Python后端技术栈介绍DjangoFlask等Python后端框架及其适用场景。2.3数据库技术讨论关系型和非关系型数据库在系统中的应用方案。第3章系统设计与实现详细介绍自主学习系统后端的设计方案和实现过程。3.1系统架构设计提出基于微服务的系统架构设计方案。3.2核心模块设计详细说明用户管理、学习资源管理、进度跟踪等核心模块设计。3.3关键技术实现阐述个性化推荐算法、学习行为分析等关键技术的实现。第4章系统测试与评估对系统进行功能测试和性能评估。4.1测试环境与方法介绍测试环境配置和采用的测试方法。4.2功能测试结果展示各功能模块的测试结果和问题修复情况。4.3性能评估分析分析系统在高并发等场景下的性能表现。第5章结论与展望总结研究成果并提出未来改进方向。5.1研究结论概括系统设计的主要成果和技术创新。5.2未来展望指出系统局限性并提出后续优化方向。
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