Bottom Sheet Display a bottom sheet modal for quiz questions

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Quiz Bottom Sheet

The QuestionPage implements a method that creates a modal bottom sheet to tell the user if their answer was correct or not.

file_type_flutter quiz.dart
class QuestionPage extends StatelessWidget {
  final Question question;
  const QuestionPage({Key? key, required this.question}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    var state = Provider.of<QuizState>(context);

    return Column(
      mainAxisAlignment: MainAxisAlignment.end,
      children: [
        Expanded(
          child: Container(
            padding: const EdgeInsets.all(16),
            alignment: Alignment.center,
            child: Text(question.text),
          ),
        ),
        Container(
          padding: const EdgeInsets.all(20),
          child: Column(
            mainAxisAlignment: MainAxisAlignment.spaceEvenly,
            children: question.options.map((opt) {
              return Container(
                height: 90,
                margin: const EdgeInsets.only(bottom: 10),
                color: Colors.black26,
                child: InkWell(
                  onTap: () {
                    state.selected = opt;
                    _bottomSheet(context, opt, state);
                  },
                  child: Container(
                    padding: const EdgeInsets.all(16),
                    child: Row(
                      children: [
                        Icon(
                            state.selected == opt
                                ? FontAwesomeIcons.checkCircle
                                : FontAwesomeIcons.circle,
                            size: 30),
                        Expanded(
                          child: Container(
                            margin: const EdgeInsets.only(left: 16),
                            child: Text(
                              opt.value,
                              style: Theme.of(context).textTheme.bodyText2,
                            ),
                          ),
                        )
                      ],
                    ),
                  ),
                ),
              );
            }).toList(),
          ),
        )
      ],
    );
  }

  /// Bottom sheet shown when Question is answered
  _bottomSheet(BuildContext context, Option opt, QuizState state) {
    bool correct = opt.correct;

    showModalBottomSheet(
      context: context,
      builder: (BuildContext context) {
        return Container(
          height: 250,
          padding: const EdgeInsets.all(16),
          child: Column(
            mainAxisAlignment: MainAxisAlignment.spaceAround,
            crossAxisAlignment: CrossAxisAlignment.center,
            children: <Widget>[
              Text(correct ? 'Good Job!' : 'Wrong'),
              Text(
                opt.detail,
                style: const TextStyle(fontSize: 18, color: Colors.white54),
              ),
              ElevatedButton(
                style: ElevatedButton.styleFrom(
                    primary: correct ? Colors.green : Colors.red),
                child: Text(
                  correct ? 'Onward!' : 'Try Again',
                  style: const TextStyle(
                    color: Colors.white,
                    letterSpacing: 1.5,
                    fontWeight: FontWeight.bold,
                  ),
                ),
                onPressed: () {
                  if (correct) {
                    state.nextPage();
                  }
                  Navigator.pop(context);
                },
              ),
            ],
          ),
        );
      },
    );
  }
}

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