我使用 flutter 制作了一个基本的测验应用程序,在结果屏幕中显示了正确答案和用户答案,但没有显示颜色和字体

问题描述 投票:0回答:1

我使用 flutter 制作了一个基本的测验应用程序,在结果屏幕中显示了正确答案和用户答案,但颜色和字体未按预期显示,就像用于设置答案样式的代码不起作用。

我在这里提供完整的代码,有人可以告诉我为什么这不起作用。

import 'package:adv_basics/question_identifier.dart';
import 'package:flutter/material.dart';
import 'package:google_fonts/google_fonts.dart';

class SummaryItem extends StatelessWidget {
  const SummaryItem(this.itemData, {super.key});

  final Map<String, Object> itemData;

  @override
  Widget build(BuildContext context) {
    final isCorrectAnswer =
        itemData['user_answer'] == itemData['correct_answer'];

    return Padding(
      padding: const EdgeInsets.symmetric(
        vertical: 8,
      ),
      child: Row(
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          QuestionIdentifier(
            isCorrectAnswer: isCorrectAnswer,
            questionIndex: itemData['question'] as int,
          ),
          const SizedBox(width: 20),
          Expanded(
            child: Column(
              crossAxisAlignment: CrossAxisAlignment.start,
              children: [
                Text(
                  itemData['question'] as String,
                  style: GoogleFont.lato(
                    color: Color.white,
                    fontSize: 16,
                    fontWeight: FontWeight.bold,
                  ),
                ),
                const SizedBox(
                  height: 5,
                ),
                Text(
                  itemData['user_answer'] as String,
                  style: const TextStyle(
                    color: Color.fromARGB(255, 202, 171, 252),
                  ),
                ),
                Text(
                  itemData['correct_answer'] as String,
                  style: const TextStyle(
                    color: Color.fromARGB(255, 181, 254, 246),
                  ),
                ),
              ],
            ),
          ),
        ],
      ),
    );
  }
}

the final result screen for the app

android flutter dart screen development-environment
1个回答
0
投票

问题就在这里:

您的代码:

GoogleFont.lato(
                    color: Color.white,
                    fontSize: 16,
                    fontWeight: FontWeight.bold,
               ),

更正:

GoogleFonts.lato(
                    color: Colors.white,
                    fontSize: 16,
                    fontWeight: FontWeight.bold,
                  ),

您只需将“s”添加到

GoogleFonts.lato
Colors
即可。

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