Android Studio：使用RecyclerView高效展示复杂对象列表

dependencies {
    // ... 其他依赖
    implementation 'androidx.recyclerview:recyclerview:1.3.2' // 使用最新稳定版本
}

// Person.java
public class Person {
    private String firstName;
    private String lastName;
    private String address;

    public Person(String firstName, String lastName, String address) {
        this.firstName = firstName;
        this.lastName = lastName;
        this.address = address;
    }

    // Getter 方法
    public String getFirstName() {
        return firstName;
    }

    public String getLastName() {
        return lastName;
    }

    public String getAddress() {
        return address;
    }
}

<!-- res/layout/item_person.xml -->
<?xml version="1.0" encoding="utf-8"?>
<androidx.cardview.widget.CardView
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_margin="8dp"
    app:cardCornerRadius="8dp"
    app:cardElevation="4dp">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical"
        android:padding="16dp">

        <TextView
            android:id="@+id/tv_first_name"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textStyle="bold"
            android:textSize="18sp"
            android:text="First Name: John"/>

        <TextView
            android:id="@+id/tv_last_name"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginTop="4dp"
            android:textSize="16sp"
            android:text="Last Name: Doe"/>

        <TextView
            android:id="@+id/tv_address"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginTop="4dp"
            android:textSize="14sp"
            android:text="Address: 123 Main St, Anytown"/>

    </LinearLayout>
</androidx.cardview.widget.CardView>

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

    <androidx.recyclerview.widget.RecyclerView
        android:id="@+id/recycler_view_persons"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:padding="8dp"
        android:clipToPadding="false"/>

</RelativeLayout>

// PersonAdapter.java
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

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

import java.util.List;

public class PersonAdapter extends RecyclerView.Adapter<PersonAdapter.PersonViewHolder> {

    private List<Person> personList;

    public PersonAdapter(List<Person> personList) {
        this.personList = personList;
    }

    @NonNull
    @Override
    public PersonViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
        // 创建并返回一个新的ViewHolder
        View view = LayoutInflater.from(parent.getContext())
                .inflate(R.layout.item_person, parent, false);
        return new PersonViewHolder(view);
    }

    @Override
    public void onBindViewHolder(@NonNull PersonViewHolder holder, int position) {
        // 将数据绑定到ViewHolder的视图上
        Person person = personList.get(position);
        holder.firstNameTv.setText("First Name: " + person.getFirstName());
        holder.lastNameTv.setText("Last Name: " + person.getLastName());
        holder.addressTv.setText("Address: " + person.getAddress());
    }

    @Override
    public int getItemCount() {
        // 返回数据集的大小
        return personList.size();
    }

    // ViewHolder 类：缓存列表项视图中的子视图引用
    public static class PersonViewHolder extends RecyclerView.ViewHolder {
        TextView firstNameTv;
        TextView lastNameTv;
        TextView addressTv;

        public PersonViewHolder(@NonNull View itemView) {
            super(itemView);
            firstNameTv = itemView.findViewById(R.id.tv_first_name);
            lastNameTv = itemView.findViewById(R.id.tv_last_name);
            addressTv = itemView.findViewById(R.id.tv_address);
        }
    }
}

// MainActivity.java
import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;

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

public class MainActivity extends AppCompatActivity {

    private RecyclerView recyclerView;
    private PersonAdapter personAdapter;
    private List<Person> personList;

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

        recyclerView = findViewById(R.id.recycler_view_persons);

        // 初始化数据
        personList = new ArrayList<>();
        personList.add(new Person("John", "Doe", "123 Main St, Anytown"));
        personList.add(new Person("Jane", "Smith", "456 Oak Ave, Somewhere"));
        personList.add(new Person("Peter", "Jones", "789 Pine Ln, Nowhere"));
        personList.add(new Person("Alice", "Brown", "101 Elm Rd, Metropolis"));
        // ... 添加更多数据

        // 设置布局管理器
        recyclerView.setLayoutManager(new LinearLayoutManager(this));

        // 创建并设置适配器
        personAdapter = new PersonAdapter(personList);
        recyclerView.setAdapter(personAdapter);
    }
}