当我启动应用程序时，应用程序立即崩溃-ArrayAdapter，ListView，OOP

Question

我需要创建一个适配器扩展ArrayAdapter并使用ArrayList变量。我有带有AnimalName和pictureId的Animal类。程序应在activity_main的ListView中显示ArrayList。当我启动应用程序时，应用程序立即崩溃。

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout 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:layout_width="match_parent"
        android:layout_height="match_parent"
        android:id="@+id/listViewAnimals"/>

</androidx.constraintlayout.widget.ConstraintLayout>

layout_animals.xml

<?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">

    <ImageView
        android:id="@+id/animalImage"
        android:layout_width="100dp"
        android:layout_height="100dp"
        android:layout_weight="1"/>

    <TextView
        android:id="@+id/animalName"
        android:layout_width="wrap_content"
        android:layout_height="83dp"
        android:layout_weight="1"
        android:text="TextView" />
</LinearLayout>

Animal.java

package com.example.arrayadapter3;

public class Animal {
    private String animalName;
    private int pictureId;

    public Animal(String name, int pictureId) {
        this.animalName = name;
        this.pictureId = pictureId;
    }

    public String getAnimalName() {
        return animalName;
    }

    public int getPictureId() {
        return pictureId;
    }
}

AnimalArrayAdapter

package com.example.arrayadapter3;

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 AnimalArrayAdapter extends ArrayAdapter <Animal> {
    private List<Animal> animals;

    public AnimalArrayAdapter(Context context, List<Animal> animals){
        super(context,R.layout.layout_animals,animals);
        this.animals = animals;
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent){
        View row = convertView;
        LayoutInflater inflater = (LayoutInflater) getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        if(convertView == null){
            row = inflater.inflate(R.layout.layout_animals, null, true);
        }
        TextView textView = (TextView) row.findViewById(R.id.animalName);
        ImageView imageView = (ImageView) row.findViewById(R.id.animalImage);
        textView.setText(animals.get(position).getAnimalName());
        imageView.setImageResource(animals.get(position).getPictureId());
        return row;
    }
}

和MainActivity.java

package com.example.arrayadapter3;

import androidx.appcompat.app.AppCompatActivity;

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

import java.lang.reflect.Array;
import java.util.ArrayList;
import java.util.List;

public class MainActivity extends AppCompatActivity {
    private ListView listView;
    private AnimalArrayAdapter animalArrayAdapter;

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

        List<Animal> animals = createAnimalList();
        this.animalArrayAdapter = new AnimalArrayAdapter(this, animals);
        this.listView = this.findViewById(R.id.listViewAnimals);
        this.listView.setAdapter(animalArrayAdapter);
    }

    private List<Animal> createAnimalList() {
        List<Animal> animalList = new ArrayList<>();
        int catID = R.drawable.cat;
        int dogID = R.drawable.dog;
        int foxID = R.drawable.fox;
        int sheepID = R.drawable.sheep;
        int snakeID = R.drawable.snake;
        Animal cat = new Animal("cat", catID);
        Animal dog = new Animal("dog", dogID);
        Animal fox = new Animal("fox", foxID);
        Animal sheep = new Animal("sheep",sheepID);
        Animal snake = new Animal("snake",snakeID );
        animalList.add(cat);
        animalList.add(dog);
        animalList.add(fox);
        animalList.add(sheep);
        animalList.add(snake);
        return animalList;
    }
}