目录

Fruit.java

FruitAdapter

MainActivity

activity_main.xml

fruit.xml

 整体结构 

Fruit.java

public class Fruit {
    private String name;
    private int imageId;
    public Fruit(String name, int imageId) {
        this.name = name;
        this.imageId = imageId;
    }
    public String getName() {
        return name;
    }
    public int getImageId() {
        return imageId;
    }
}

FruitAdapter

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.TextView;
import java.util.List;
public class FruitAdapter extends ArrayAdapter {
    private int resourceId;
    public FruitAdapter(Context context, int resource, List objects) {
        super(context, resource, objects);
        resourceId = resource;
    }
    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        Fruit fruit = getItem(position); // 获取当前 fruit 实例
        // 加载布局文件
        if (convertView == null) {
            convertView = LayoutInflater.from(getContext()).inflate(resourceId, parent, false);
        }
        // 获取布局文件中的 ImageView 和 TextView 控件
        ImageView fruitImage = convertView.findViewById(R.id.fruit_image);
        TextView fruitName = convertView.findViewById(R.id.fruit_name);
        // 设置 ImageView 和 TextView 的值
        fruitImage.setImageResource(fruit.getImageId());
        fruitName.setText(fruit.getName());
        return convertView;
    }
}

MainActivity

import androidx.appcompat.app.ActionBar;
import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.ListView;
import java.util.ArrayList;
import java.util.List;
public class MainActivity extends AppCompatActivity {
    private List fruitList = new ArrayList<>();
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        // 隐藏系统自带标题栏
        ActionBar actionBar = getSupportActionBar();
        if (actionBar != null) {
            actionBar.hide();
        }
        // 初始化水果列表
        initFruits();
        // 创建自定义适配器
        FruitAdapter adapter = new FruitAdapter(MainActivity.this, R.layout.fruit, fruitList);
        // 将适配器设置给 ListView
        ListView listView = findViewById(R.id.list_view);
        listView.setAdapter(adapter);
        //添加一个点击事件
        listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView parent, View view, int position, long id) {
                Fruit fruit = fruitList.get(position);
                Toast.makeText(MainActivity.this, fruit.getName(), Toast.LENGTH_SHORT).show();
            }
        });
    }
    private void initFruits() {
        // 添加水果数据到列表
        for (int i = 0; i < 2; i++) {
            Fruit m0 = new Fruit("苹果", R.drawable.m0);
            fruitList.add(m0);
            Fruit m1 = new Fruit("苹果", R.drawable.m1);
            fruitList.add(m1);
            Fruit m2 = new Fruit("苹果", R.drawable.m2);
            fruitList.add(m2);
            Fruit m3 = new Fruit("苹果", R.drawable.m3);
            fruitList.add(m3);
            Fruit m4 = new Fruit("苹果", R.drawable.m4);
            fruitList.add(m4);
            Fruit m5 = new Fruit("苹果", R.drawable.m5);
            fruitList.add(m5);
            Fruit m6 = new Fruit("苹果", R.drawable.m6);
            fruitList.add(m6);
            Fruit m7 = new Fruit("苹果", R.drawable.m7);
            fruitList.add(m7);
            Fruit m8 = new Fruit("苹果", R.drawable.m8);
            fruitList.add(m8);
            Fruit m9 = new Fruit("苹果", R.drawable.m9);
            fruitList.add(m9);
        }
    }
}

activity_main.xml ⬅ 跳转上篇文章

fruit.xml

最终效果

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