twilio_video_example_main.dart

import 'package:flutter/material.dart';
import 'package:http/http.dart' as http;
import 'package:twilio_video_tutorial/twilio_video_tutorial.dart';

void main() => runApp(
      MaterialApp(
        title: "Twilio Video Call Example",
        home: MyApp(),
      ),
    );

class MyApp extends StatefulWidget {
  @override
  _MyAppState createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  String _twilioToken;

  @override
  void initState() {
    super.initState();
  }

  Future<String> getTwilioToken() async {
    http.Response response =
        await http.post("https://9d6a95da.ngrok.io/twilio/token");
    return response.body;
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Plugin example app'),
        ),
        floatingActionButton: FloatingActionButton(
          child: Icon(Icons.video_call),
          onPressed: () async {
            _twilioToken = await getTwilioToken();
            Navigator.push(
              context,
              MaterialPageRoute(
                builder: (context) =>
                    TwilioVideoTutorial(twilioToken: _twilioToken),
              ),
            );
          },
        ),
      ),
    );
  }
}