ListView

package com.example.a0420;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.widget.ArrayAdapter;
import android.widget.ListView;

import java.util.ArrayList;

public class MainActivity extends AppCompatActivity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        ListView listView = (ListView) findViewById(R.id.listview);
        ArrayList<Date> dates = new ArrayList<>();
        for (int i=0;i<15;i++){
            dates.add(new Date("图片"+i,"商品"+i,"价格"+i));
        }
        ListAdapter listAdapter = new ListAdapter(MainActivity.this, R.layout.item, dates);
        listView.setAdapter(listAdapter);
    }
}
class Date{
    private String img;
    private String name;
    private String jg;

    public Date(String img, String name, String jg) {
        this.img = img;
        this.name = name;
        this.jg = jg;
    }

    public String getImg() {
        return img;
    }

    public void setImg(String img) {
        this.img = img;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getJg() {
        return jg;
    }

    public void setJg(String jg) {
        this.jg = jg;
    }
}

package com.example.a0420;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.TextView;

import java.util.List;

public class ListAdapter extends ArrayAdapter {
    private int newResourceId;
    private List<Date> list;

    public ListAdapter(Context context, int resourceId, List<Date> list) {
        super(context, resourceId, list);
        newResourceId = resourceId;
        this.list = list;
    }

    @Override
    public View getView(final int position, View convertView, ViewGroup parent) {
        View view;
        ViewHolder viewHolder;
        if (convertView == null) {
            view = LayoutInflater.from(getContext()).inflate(newResourceId, parent, false);
            viewHolder = new ViewHolder();
            viewHolder.img = view.findViewById(R.id.img);
            viewHolder.name = view.findViewById(R.id.name);
            viewHolder.jg = view.findViewById(R.id.jg);
            view.setTag(viewHolder);
        } else {
            view=convertView;
            viewHolder= (ViewHolder) view.getTag();
        }
        Date date = list.get(position);
        viewHolder.img.setText(date.getImg());
        viewHolder.name.setText(date.getName());
        viewHolder.jg.setText(date.getJg());
        return view;
    }

    class ViewHolder {
        private TextView img;
        private TextView name;
        private TextView jg;
    }
}

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">


    <ListView
        android:listSelector="#03A9F4"
        android:id="@+id/listview"
        android:layout_width="match_parent"
        android:layout_height="match_parent">
    </ListView>
</LinearLayout>

<?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">

    <TextView
        android:id="@+id/img"
        android:layout_width="100dp"
        android:layout_height="100dp"
        android:background="#F1F1F1"
        android:text="tp" />

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

        <TextView
            android:textSize="35dp"
            android:id="@+id/name"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="品名">
        </TextView>

        <TextView
            android:id="@+id/jg"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginTop="20dp"
            android:text="123">

        </TextView>
    </LinearLayout>
</LinearLayout>