如何在适配器类中显示警告对话框而无需单击？

public class MyAdapter extends ArrayAdapter<String> {
    private Context context;
    private List<String> items;

    public MyAdapter(Context context, List<String> items) {
        super(context, 0, items);
        this.context = context;
        this.items = items;
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        View view = convertView;
        if (view == null) {
            view = LayoutInflater.from(context).inflate(R.layout.list_item, parent, false);
        }

        String item = items.get(position);

        // 判断条件，如果需要显示警告对话框
        if (item.equals("需要显示警告对话框的条件")) {
            AlertDialog.Builder builder = new AlertDialog.Builder(context);
            builder.setTitle("警告");
            builder.setMessage("警告内容");

            builder.setPositiveButton("确认", new DialogInterface.OnClickListener() {
                @Override
                public void onClick(DialogInterface dialog, int which) {
                    // 点击确认按钮后执行的操作
                }
            });

            builder.setNegativeButton("取消", new DialogInterface.OnClickListener() {
                @Override
                public void onClick(DialogInterface dialog, int which) {
                    // 点击取消按钮后执行的操作
                }
            });

            AlertDialog dialog = builder.create();
            dialog.show();
        }

        // 设置其他视图内容
        // ...

        return view;
    }
}