better_polls 1.0.3

A better flutter widget for polls updated for Flutter 3, this immitates the twitter polls system, all you need do is connect you data to the polls, it allows voting and visualization.

example/lib/main.dart

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

void main() => runApp(const MyApp());

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

  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Polls',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: const PollView(),
    );
  }
}

class PollView extends StatefulWidget {
  const PollView({Key key}) : super(key: key);

  @override
  State<PollView> createState() => _PollViewState();
}

class _PollViewState extends State<PollView> {
  double option1 = 1.0;
  double option2 = 0.0;
  double option3 = 1.0;
  double option4 = 1.0;
  double option5 = 1.0;
  double option6 = 3.0;
  double option7 = 2.0;
  double option8 = 1.0;

  String user = "[e-mail]";
  Map<String, int> usersWhoVoted = {
    '[e-mail]': 3,
    '[e-mail]': 4,
    '[e-mail]': 1,
    '[e-mail]': 1
  };
  String creator = "[e-mail]";

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: SafeArea(
        child: Padding(
          padding: const EdgeInsets.all(32.0),
          child: Polls(
            children: [
              // This cannot be less than 2, else will throw an exception
              Polls.options(title: 'Cairo', value: option1),
              Polls.options(title: 'Mecca', value: option2),
              Polls.options(title: 'Denmark', value: option3),
              Polls.options(title: 'Mogadishu', value: option4),
              Polls.options(title: 'Maldives', value: option5),
              Polls.options(title: 'Brazil', value: option6),
              Polls.options(title: 'Ethiopia', value: option7),
              Polls.options(title: 'Italy', value: option8),
            ],
            optionBarRadius: 24,
            question: const Padding(
              padding: EdgeInsets.only(bottom: 16.0),
              child: Text('What is your favorite place?'),
            ),
            currentUser: user,
            creatorID: creator,
            voteData: usersWhoVoted,
            userChoice: usersWhoVoted[user],
            onVoteBackgroundColor: Colors.blue,
            leadingBackgroundColor: Colors.blue,
            backgroundColor: Colors.white,
            onVote: (choice) {
              setState(() {
                usersWhoVoted[user] = choice;
              });
              if (choice == 1) {
                setState(() {
                  option1 += 1.0;
                });
              }
              if (choice == 2) {
                setState(() {
                  option2 += 1.0;
                });
              }
              if (choice == 3) {
                setState(() {
                  option3 += 1.0;
                });
              }
              if (choice == 4) {
                setState(() {
                  option4 += 1.0;
                });
              }
              if (choice == 5) {
                setState(() {
                  option5 += 1.0;
                });
              }
              if (choice == 6) {
                setState(() {
                  option6 += 1.0;
                });
              }
              if (choice == 7) {
                setState(() {
                  option7 += 1.0;
                });
              }
              if (choice == 8) {
                setState(() {
                  option8 += 1.0;
                });
              }
            },
          ),
        ),
      ),
    );
  }
}