圖片資源

public class Fruit {
    private static Object[][] listFruit={
            {"蘋果",R.drawable.apple_pic},
            {"香蕉",R.drawable.banana_pic},
            {"櫻桃",R.drawable.cherry_pic},
            {"葡萄",R.drawable.grape_pic},
            {"芒果",R.drawable.mango_pic},
            {"橘子",R.drawable.orange_pic},
            {"梨子",R.drawable.pear_pic},
            {"菠蘿",R.drawable.pineapple_pic},
            {"草莓",R.drawable.strawberry_pic},
            {"西瓜",R.drawable.watermelon_pic}
    };
    public static Object[][] getListFruit() {
        return listFruit;
    }
}

對象

public class FruitClass {
    private String name;
    private int imgId;

    public FruitClass(String name, int imgId) {
        this.name = name;
        this.imgId = imgId;
    }

    public String getName() {
        return name;
    }

    public int getImgId() {
        return imgId;
    }
}

適配器

public class FruitAdapter extends ArrayAdapter<FruitClass> {
    private int resource;
    public FruitAdapter(@NonNull Context context, @LayoutRes int resource, @NonNull List objects) {
        super(context, resource, objects);
        this.resource=resource;
    }

    @NonNull
    @Override
    public View getView(int position, @Nullable View convertView, @NonNull ViewGroup parent) {
        FruitClass fruit=getItem(position);
        View view;
        ViewHolder viewHolder;
        if (convertView==null){
            view = LayoutInflater.from(getContext()).inflate(resource,parent,false);
            viewHolder=new ViewHolder();
            viewHolder.imageView=(ImageView) view.findViewById(R.id.listViewItem_img);
            viewHolder.textView=(TextView) view.findViewById(R.id.listViewItem_name);
            view.setTag(viewHolder);
        }else{
            view=convertView;
            viewHolder= (ViewHolder) view.getTag();
        }
        viewHolder.imageView.setImageResource(fruit.getImgId());
        viewHolder.textView.setText(fruit.getName());
        return view;
    }
    class ViewHolder{
        ImageView imageView;
        TextView textView;
    }
}

MainActivity

public class MainActivity extends ActivityDisplayName {
    private List<FruitClass> fruit=new ArrayList<FruitClass>();

    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.layout_main);
        inisFruit();
        FruitAdapter fa=new FruitAdapter(this,R.layout.item_listview,fruit);
        ListView lv= (ListView) findViewById(R.id.main_listView);
        lv.setAdapter(fa);
        lv.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                FruitClass fc=fruit.get(position);
                switch (fc.getImgId()){
                    case R.drawable.apple_pic:
                        Intent i=new Intent(MainActivity.this,AppleActivity.class);
                        startActivity(i);
                        break;
                    case  R.drawable.watermelon_pic:
                        Toast.makeText(MainActivity.this,"西瓜",Toast.LENGTH_SHORT).show();
                        break;
                }

            }
        });
    }

    private void inisFruit() {
        Object[][] f=Fruit.getListFruit();
        for (int j = 0; j < 5; j++) {
            for (int i = 0; i <10 ; i++) {
                Log.d("forSlyune", f[i][0].toString()+"----------"+f[i][1].toString());
                FruitClass fc=new FruitClass(f[i][0].toString()+"."+(j+1),Integer.parseInt(f[i][1].toString()));
                fruit.add(fc);
            }
        }
    }
}

listView優化