getView ListView所选项目颜色更改

public class MyAdapter extends ArrayAdapter<String> {
    private Context mContext;
    private List<String> mData;
    
    public MyAdapter(Context context, List<String> data) {
        super(context, 0, data);
        mContext = context;
        mData = data;
    }
    
    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        View itemView = convertView;
        if (itemView == null) {
            itemView = LayoutInflater.from(mContext).inflate(R.layout.list_item, parent, false);
        }
        
        String item = mData.get(position);
        
        // 根据需求修改项目的背景色
        if (position % 2 == 0) {
            itemView.setBackgroundColor(Color.BLUE);
        } else {
            itemView.setBackgroundColor(Color.GREEN);
        }
        
        // 设置项目的文本内容
        TextView textView = itemView.findViewById(R.id.text_view);
        textView.setText(item);
        
        return itemView;
    }
}