Android简单的列表实现

MainActivity

package com.example.zhihuicity;

import androidx.appcompat.app.AppCompatActivity;
import androidx.recyclerview.widget.RecyclerView;
import androidx.viewpager2.widget.ViewPager2;

import android.os.Bundle;
import android.os.Handler;

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

public class MainActivity extends AppCompatActivity {

    private RecyclerView rv;
    private List<Company> companyList = new ArrayList<>();
    private CompanyAdapter companyAdapter;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

       
        //厂商列表
        rv = findViewById(R.id.rv);
        companyList.add(new Company(R.drawable.huawei, "华为", "华为消费者业务产品全面覆盖手机、移动宽带终端、终端云等，凭借自身的全..."));
        companyList.add(new Company(R.drawable.byd, "比亚迪", "比亚迪股份有限公司（简称“比亚迪”）成立于1995年2月，总部位于广东省..."));
        companyList.add(new Company(R.drawable.dajiang, "大疆", "深圳市大疆创新科技有限公司（DJ-Innovations，简称DJI..."));
        companyList.add(new Company(R.drawable.haikangweishi, "海康威视", "杭州海康威视数字技术股份有限公司位于杭州，是一家安防产品..."));
        companyList.add(new Company(R.drawable.tcl, "TCL", "TCL科技集团股份有限公司成立于1982年，总部位于广东惠州，主营..."));
        companyList.add(new Company(R.drawable.changhong, "长虹", "公司前身国营长虹机器厂是我国“一五”期间的156项重点工程..."));
        companyList.add(new Company(R.drawable.geli, "格力", "珠海格力电器股份有限公司（下文简称格力电器），成立于..."));
        //绑定适配器
        companyAdapter = new CompanyAdapter(companyList);
        rv.setAdapter(companyAdapter);

    }

    
}

厂商列表的适配器

package com.example.zhihuicity;

import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;

import androidx.annotation.NonNull;
import androidx.recyclerview.widget.RecyclerView;

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

public class CompanyAdapter extends RecyclerView.Adapter<CompanyAdapter.MyHolder> {

    List<Company> companyList;

    public CompanyAdapter(List<Company> companyList) {
        this.companyList = companyList;
    }

    @NonNull
    @Override
    public MyHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
        View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.company_list, null);
        return new MyHolder(view);
    }


    @Override
    public void onBindViewHolder(@NonNull MyHolder holder, int position) {

        Company company = companyList.get(position);

        holder.image.setImageResource(company.getImage());
        holder.title.setText(company.getTitle());
        holder.content.setText(company.getContent());

    }

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

    static class MyHolder extends RecyclerView.ViewHolder {

        private TextView title;
        private TextView content;
        private ImageView image;

        public MyHolder(@NonNull View itemView) {
            super(itemView);
            title = itemView.findViewById(R.id.company_title);
            content = itemView.findViewById(R.id.company_content);
            image = itemView.findViewById(R.id.company_image);
        }
    }
}

厂商列表item

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="horizontal">

    <ImageView
        android:id="@+id/company_image"
        android:layout_width="wrap_content"
        android:layout_height="180dp"
        android:src="@drawable/huawei" />

    <LinearLayout
        android:layout_width="match_parent"
        android:orientation="vertical"
        android:layout_height="wrap_content">

        <TextView
            android:id="@+id/company_title"
            android:layout_width="match_parent"
            android:layout_height="50dp"
            android:gravity="center"
            android:text="这是标题" />

        <TextView
            android:id="@+id/company_content"
            android:layout_width="match_parent"
            android:layout_height="130dp"
            android:text="这是内容" />

    </LinearLayout>

</LinearLayout>

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<ScrollView
    android:layout_width="match_parent"
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

<LinearLayout
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="vertical">

   
    <androidx.recyclerview.widget.RecyclerView
        android:id="@+id/rv"
        android:layout_width="wrap_content"
        android:layout_height="250dp"
        app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
        tools:listitem="@layout/company_list"
        android:orientation="horizontal"/>


</LinearLayout>
</ScrollView>