flutter_survey 0.1.4

A package that handles the creation and state of a dynamic questionnaire/data collection survey with conditional questions.

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:flutter_survey/flutter_survey.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Survey Demo',
      theme: ThemeData(
        brightness: Brightness.light,
      ),
      darkTheme: ThemeData(
        brightness: Brightness.dark,
      ),
      themeMode: ThemeMode.system,
      home: const MyHomePage(title: 'Flutter Survey'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key, required this.title});

  final String title;

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  final _formKey = GlobalKey<FormState>();
  List<QuestionResult> _questionResults = [];
  final List<Question> _initialData = [
    Question(
      isMandatory: true,
      question: 'Do you like drinking coffee?',
      answerChoices: {
        "Yes": [
          Question(
              singleChoice: false,
              question: "What are the brands that you've tried?",
              answerChoices: {
                "Nestle": null,
                "Starbucks": null,
                "Coffee Day": [
                  Question(
                    question: "Did you enjoy visiting Coffee Day?",
                    isMandatory: true,
                    answerChoices: {
                      "Yes": [
                        Question(
                          question: "Please tell us why you like it",
                        )
                      ],
                      "No": [
                        Question(
                          question: "Please tell us what went wrong",
                        )
                      ],
                    },
                  )
                ],
              })
        ],
        "No": [
          Question(
            question: "Do you like drinking Tea then?",
            answerChoices: {
              "Yes": [
                Question(
                    question: "What are the brands that you've tried?",
                    answerChoices: {
                      "Nestle": null,
                      "ChaiBucks": null,
                      "Indian Premium Tea": [
                        Question(
                          question: "Did you enjoy visiting IPT?",
                          answerChoices: {
                            "Yes": [
                              Question(
                                question: "Please tell us why you like it",
                              )
                            ],
                            "No": [
                              Question(
                                question: "Please tell us what went wrong",
                              )
                            ],
                          },
                        )
                      ],
                    })
              ],
              "No": null,
            },
          )
        ],
      },
    ),
    Question(
        question: "What age group do you fall in?",
        isMandatory: true,
        answerChoices: const {
          "18-20": null,
          "20-30": null,
          "Greater than 30": null,
        })
  ];
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Form(
        key: _formKey,
        child: Survey(
            onNext: (questionResults) {
              _questionResults = questionResults;
            },
            initialData: _initialData),
      ),
      bottomNavigationBar: Column(
        mainAxisSize: MainAxisSize.min,
        children: [
          SizedBox(
            width: double.infinity,
            height: 56,
            child: TextButton(
              style: TextButton.styleFrom(
                foregroundColor: Colors.white,
                backgroundColor: Colors.cyanAccent, // Background Color
              ),
              child: const Text("Validate"),
              onPressed: () {
                if (_formKey.currentState!.validate()) {
                  //do something

                }
              },
            ),
          ),
        ],
      ),
    );
  }
}