flutter_survey_js 0.0.1-dev.4

flutter_survey_js: ^0.0.1-dev.4 copied to clipboard

example/lib/main.dart

import 'dart:convert';
import 'dart:core';

import 'package:device_preview/device_preview.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_localizations/flutter_localizations.dart';
import 'package:flutter_survey_js/survey.dart' as s;

void main() {
  runApp(
    DevicePreview(
      enabled: true,
      builder: (context) => MyApp(), // Wrap your app
    ),
  );
}

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      locale: DevicePreview.locale(context), // Add the locale here
      builder: DevicePreview.appBuilder, // Add the builder here
      localizationsDelegates: [
        GlobalMaterialLocalizations.delegate,
        GlobalWidgetsLocalizations.delegate,
        GlobalCupertinoLocalizations.delegate,
        s.MultiAppLocalizationsDelegate(),
      ],
      title: 'Survey Demo',
      theme: ThemeData(
        // This is the theme of your application.
        //
        // Try running your application with "flutter run". You'll see the
        // application has a blue toolbar. Then, without quitting the app, try
        // changing the primarySwatch below to Colors.green and then invoke
        // "hot reload" (press "r" in the console where you ran "flutter run",
        // or simply save your changes to "hot reload" in a Flutter IDE).
        // Notice that the counter didn't reset back to zero; the application
        // is not restarted.
        primarySwatch: Colors.blue,
      ),
      supportedLocales: [
        const Locale('en', ''), // English, no country code
        const Locale('zh', ''), // Spanish, no country code
      ],
      home: MyHomePage(),
    );
  }
}

class MyHomePage extends StatefulWidget {
  MyHomePage({Key? key}) : super(key: key);

  // This widget is the home page of your application. It is stateful, meaning
  // that it has a State object (defined below) that contains fields that affect
  // how it looks.

  // This class is the configuration for the state. It holds the values (in this
  // case the title) provided by the parent (in this case the App widget) and
  // used by the build method of the State. Fields in a Widget subclass are
  // always marked "final".

  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  s.Survey? survey;

  @override
  void initState() {
    super.initState();
    rootBundle.loadString('assets/example1.json').then((value) {
      final j = json.decode(value);
      setState(() {
        survey = s.Survey.fromJson(j);
      });
    });
  }

  @override
  Widget build(BuildContext context) {
    // This method is rerun every time setState is called, for instance as done
    // by the _incrementCounter method above.
    //
    // The Flutter framework has been optimized to make rerunning build methods
    // fast, so that you can just rebuild anything that needs updating rather
    // than having to individually change instances of widgets.
    return Scaffold(
        appBar: AppBar(
          // Here we take the value from the MyHomePage object that was created by
          // the App.build method, and use it to set our appbar title.
          title: Text('Survey complete json test'),
        ),
        body: survey == null
            ? Center(
                child: CircularProgressIndicator(),
              )
            : s.SurveyWidget(
                survey: survey!,
                onChange: (v) {
                  print(v);
                },
                onSubmit: (v) {
                  print(v);
                  showModalBottomSheet<void>(
                    context: context,
                    builder: (BuildContext context) {
                      return Container(
                        height: 400,
                        child: Center(
                          child: Column(
                            crossAxisAlignment: CrossAxisAlignment.stretch,
                            children: [
                              Expanded(
                                  child: Container(
                                      child: SingleChildScrollView(
                                          child: Text(v.toString())))),
                              ElevatedButton(
                                child: const Text('Close'),
                                onPressed: () => Navigator.pop(context),
                              )
                            ],
                          ),
                        ),
                      );
                    },
                  );
                },
              ));
  }
}